• Solar resource assessment
• Determination of profitability of a PV plant
• Selection and optimization of the site.
• Selection of components (Inverters, Modules, Protection and Wiring, Grounding, Transformers, Metering, Grid Connection)
• Advanced calculations : Estimated losses; Shading study, etc
• Electrical diagrams
Off grid solar power systems design is said to be complex. In this presentation, a simple design process is described: starting by load assessment, then moving to estimating array energy output; estimating array power and determining required number of modules as well as the size of other system components.
This presentation is adapted from a course delivered online by Mathy Mpassy Isinki. After ten years spent providing energy solutions in remote off grid locations, he describes himself as an off grid energy solutions business and technical sales professional; his goal is to share with you what he has learned the last ten years.
Solar Panel Installation And Maintenance PowerPoint Presentation SlidesSlideTeam
World is moving towards a sustainable future and renewable energy is playing a vital role in achieving that goal. There are various sources of renewable energy but solar energy is dominant when it comes to meet both industrial and residential energy demand at low cost. This presentation will benefit the manufacturing organization that wants to optimize their energy consumption and electricity bill cost by shifting to solar energy. The presentation includes sections namely energy consumption analysis that will help the firm in defining its current electricity composition by resource, its daily, monthly and annual energy utilization rate, share of electricity demand in current year, energy star rating of current appliances and machineries and monthly electricity bill of the plant. Issues we are currently facing section will highlight the current challenges faced by the manufacturer in terms of machine downtime, energy consumption and Co2 emission. Firm can illustrate various solution along with their cost overview to counter their current challenges with help of Available solutions to counter energy issues section. Solar system overview section will help the firm in providing overview about solar system types and its applications along with system workflow. Permission and regulatory key considerations section will help the manufacturer to describe the essential permission and regulatory key consideration required for solar system installation. Manufacturer can provide detailed specification about the project, it objective and expected outcomes with the help of Project description and specifications section. Manufacturer can ensure the best quality of solar panels, mounting structure and inverter with decision making checklist for solar project section. Estimated cost of solar project section will shed a light on total cost required to install solar system. Implementation schedule will help the firm in illustrating the different stages to install solar system. Maintenance plan and schedule section will help the organization in maintaining the solar panel and inverter health. Manufacturer can portrays the stats of plant capacity per annum and electricity bill saving with impact on performance section. Risk and mitigation strategies section will help the manufacturer in illustrating possible risk that may occur during solar system installation and right measures to overcome them. Company can portray possible challenges that may arise while opting for solar energy and solution to overcome them with the help of barriers and solutions for solar energy application section. Finally, performance tracking dashboard will help the manufacturer in tracking plant electricity consumption, solar production and export to grid. https://bit.ly/2MP2gfF
Photovoltaic Training - Session 3 - Plant OperationLeonardo ENERGY
Control systems and telecommunications.
Components and infrastructure needed to control systems
Monitoring and troubleshooting
Management of information obtained by the control system
Management and alarms.
Sending information for maintenance purposes.
Security of the Installation.
Fundamental characteristics required in a surveillance system.
Protection systems against theft.
Anti‐intrusion systems.
CCTV and video surveillance.
e‐Rounds.
Remote control systems.
Security in PV roofs.
Off grid solar power systems design is said to be complex. In this presentation, a simple design process is described: starting by load assessment, then moving to estimating array energy output; estimating array power and determining required number of modules as well as the size of other system components.
This presentation is adapted from a course delivered online by Mathy Mpassy Isinki. After ten years spent providing energy solutions in remote off grid locations, he describes himself as an off grid energy solutions business and technical sales professional; his goal is to share with you what he has learned the last ten years.
Solar Panel Installation And Maintenance PowerPoint Presentation SlidesSlideTeam
World is moving towards a sustainable future and renewable energy is playing a vital role in achieving that goal. There are various sources of renewable energy but solar energy is dominant when it comes to meet both industrial and residential energy demand at low cost. This presentation will benefit the manufacturing organization that wants to optimize their energy consumption and electricity bill cost by shifting to solar energy. The presentation includes sections namely energy consumption analysis that will help the firm in defining its current electricity composition by resource, its daily, monthly and annual energy utilization rate, share of electricity demand in current year, energy star rating of current appliances and machineries and monthly electricity bill of the plant. Issues we are currently facing section will highlight the current challenges faced by the manufacturer in terms of machine downtime, energy consumption and Co2 emission. Firm can illustrate various solution along with their cost overview to counter their current challenges with help of Available solutions to counter energy issues section. Solar system overview section will help the firm in providing overview about solar system types and its applications along with system workflow. Permission and regulatory key considerations section will help the manufacturer to describe the essential permission and regulatory key consideration required for solar system installation. Manufacturer can provide detailed specification about the project, it objective and expected outcomes with the help of Project description and specifications section. Manufacturer can ensure the best quality of solar panels, mounting structure and inverter with decision making checklist for solar project section. Estimated cost of solar project section will shed a light on total cost required to install solar system. Implementation schedule will help the firm in illustrating the different stages to install solar system. Maintenance plan and schedule section will help the organization in maintaining the solar panel and inverter health. Manufacturer can portrays the stats of plant capacity per annum and electricity bill saving with impact on performance section. Risk and mitigation strategies section will help the manufacturer in illustrating possible risk that may occur during solar system installation and right measures to overcome them. Company can portray possible challenges that may arise while opting for solar energy and solution to overcome them with the help of barriers and solutions for solar energy application section. Finally, performance tracking dashboard will help the manufacturer in tracking plant electricity consumption, solar production and export to grid. https://bit.ly/2MP2gfF
Photovoltaic Training - Session 3 - Plant OperationLeonardo ENERGY
Control systems and telecommunications.
Components and infrastructure needed to control systems
Monitoring and troubleshooting
Management of information obtained by the control system
Management and alarms.
Sending information for maintenance purposes.
Security of the Installation.
Fundamental characteristics required in a surveillance system.
Protection systems against theft.
Anti‐intrusion systems.
CCTV and video surveillance.
e‐Rounds.
Remote control systems.
Security in PV roofs.
Performance paramter and suggestion to optizing the performnce of grid connec...Ashish Verma
performance evaluation of Solar PV plant ,in term of technology , financial investment , research and development is very important for growth of Solar PV Industry .
Photovoltaic Training - Session 4 - Plant MaintenanceLeonardo ENERGY
Importance of good maintenance procedure in the plant operation.
•
Components to be maintained.
o
PV Panel.
o
Inverter.
o
Transformer.
o
Solar tracker.
o
Cabinet.
•
Types of maintenance
o
Corrective maintenance.
o
Preventive Maintenance.
•
Supplies.
o
Critical elements.
o
Guarantees.
•
Management of spare parts and stock.
•
Types of inspections and reach
o
Visual inspections.
o
Deep inspections.
o
Frequency of revisions.
PVSyst is a standard tool for determining the generation from a solar plant, however there is little standardisation over the losses to be assumed.
Based on Gensol's experience, every loss has been analysed & through this document we are indicating on the loss percentage to be assumed.
Photovoltaic Training - Session 2 - Construction and Start-UpLeonardo ENERGY
* Civil works. Preparation of infrastructure.
* Mechanical assembly.
* Electrical Installation: Ground‐mounted PV facilities. Rooftop installations. Wiring. Cabinets. Ground net.
* Environmental aspects and waste management.
* Quality. Critical aspects in the development of the installation.
* Testing. Key issues. Inverter tests. Maximum power of the PV generator. Evaluation of the Performance Ratio real.
Performance paramter and suggestion to optizing the performnce of grid connec...Ashish Verma
performance evaluation of Solar PV plant ,in term of technology , financial investment , research and development is very important for growth of Solar PV Industry .
Photovoltaic Training - Session 4 - Plant MaintenanceLeonardo ENERGY
Importance of good maintenance procedure in the plant operation.
•
Components to be maintained.
o
PV Panel.
o
Inverter.
o
Transformer.
o
Solar tracker.
o
Cabinet.
•
Types of maintenance
o
Corrective maintenance.
o
Preventive Maintenance.
•
Supplies.
o
Critical elements.
o
Guarantees.
•
Management of spare parts and stock.
•
Types of inspections and reach
o
Visual inspections.
o
Deep inspections.
o
Frequency of revisions.
PVSyst is a standard tool for determining the generation from a solar plant, however there is little standardisation over the losses to be assumed.
Based on Gensol's experience, every loss has been analysed & through this document we are indicating on the loss percentage to be assumed.
Photovoltaic Training - Session 2 - Construction and Start-UpLeonardo ENERGY
* Civil works. Preparation of infrastructure.
* Mechanical assembly.
* Electrical Installation: Ground‐mounted PV facilities. Rooftop installations. Wiring. Cabinets. Ground net.
* Environmental aspects and waste management.
* Quality. Critical aspects in the development of the installation.
* Testing. Key issues. Inverter tests. Maximum power of the PV generator. Evaluation of the Performance Ratio real.
To download head to http://solarreference.com/solar-pv-codes-brooks/
Also available on the Brook Solar website (they have some quality stuff)
This presentation from Brook Solar (Now Brooks Engineering LLC) is a wonderful compilation of the standards in place in the PV industry. But you do know that standards are like babies, they don't stop growing!
For more quality information visit http://solarreference.com/
A solar tree is a decorative means of producing solar energy and also electricity. It uses multiple no of solar panels which forms the shape of a tree. The panels are arranged in a tree fashion in a tall tower/pole.
TREE stands for
T= TREE GENERATING
R=RENEWABLE
E=ENERGY and
E=ELECTRICITY
This is like a tree in structure and the panels are like leaves of the tree which produces energy.
Balance of System (BOS) of a Solar Project has undergone a significant price reduction but continuous optimisation is making the trend continuing to go further down.
The presentation discusses on aspects around over-loading, cable optimisation, introduction of 1500 V systems and many other interesting optimisations.
Solectria Smart Inverters, Effective Grounding, and how to work with the UtilityClaude Colp
Presentation focused on educating solar developers, engineers, and utilities to the benefits of adding solar to the power grid. With some added protection, power factor correction, and remote shutdown capabilities PV installers are now able to interconnect on more distributed generation that was originally thought to be unsuitable.
Photovoltaic Connected Cascaded H bridge Multilevel Inverters with Improved H...ijtsrd
Multilevel inverters act as a promising solution for medium voltage, high power applications due to their modularity and reduced voltage stress across the switches. Cascaded H Bridge Multilevel Inverters CHB MLI are being considered as the best choice for grid connected Photovoltaic PV systems since they require several sources on the DC side. By means of MLI's, high quality output with less harmonic distortion is obtained compared to a two level inverter. In this work, a comparative analysis of CH MLI's is presented. Control scheme based on Sinusoidal Pulse Width Modulation SPWM is adopted due to its ease of implementation. More number of levels results in reduced THD and nearly sinusoidal output. Simulation is performed using MATLAB Simulink. Anamika | Pramod Kumar Rathore "Photovoltaic Connected Cascaded H-bridge Multilevel Inverters with Improved Harmonic Performance" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-7 | Issue-4, August 2023, URL: https://www.ijtsrd.com/papers/ijtsrd59848.pdf Paper Url:https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/59848/photovoltaic-connected-cascaded-hbridge-multilevel-inverters-with-improved-harmonic-performance/anamika
3 Phase Hybrid Solar Inverters Hybrid Inverter Bidirectional PCU.pdfEnertech UPS
Explore the pinnacle of sustainable energy solutions with our cutting-edge 3 Phase Hybrid Solar Inverters. Enertech offers premier quality hybrid inverters designed to optimize solar power utilization for your business or residential needs. Our bidirectional PCUs ensure seamless integration of solar energy, providing reliable and efficient power supply round the clock. Experience unmatched performance and durability with Enertech's 3 phase solar inverters. Visit our website now to revolutionize your energy consumption!
A new generation of instruments and tools to monitor buildings performanceLeonardo ENERGY
What is the added value of monitoring the flexibility, comfort, and well-being of a building? How can occupants be better informed about the performance of their building? And how to optimize a building's maintenance?
The slides were presented during a webinar and roundtable with a focus on a new generation of instruments and tools to monitor buildings' performance, and their link with the Smart Readiness Indicator (SRI) for buildings as introduced in the EU's Energy Performance of Buildings Directive (EPBD).
Link to the recordings: https://youtu.be/ZCFhmldvRA0
Addressing the Energy Efficiency First Principle in a National Energy and Cli...Leonardo ENERGY
When designing energy and climate policies, EU Member States have to apply the Energy Efficiency First Principle: priority should be given to measures reducing energy consumption before other decarbonization interventions are adopted. This webinar summarizes elements of the energy and climate policy of Cyprus illustrating how national authorities have addressed this principle so far, and outline challenges towards its much more rigorous implementation that is required in the coming years.
Auctions for energy efficiency and the experience of renewablesLeonardo ENERGY
Auctions are an emerging market-based policy instrument to promote energy efficiency that has started to gain traction in the EU and worldwide. This presentation provides an overview and comparison of several energy efficiency auctions and derives conclusions on the effects of design elements based on auction theory and on experiences of renewable energy auctions. We include examples from energy efficiency auctions in Brazil, Canada, Germany, Portugal, Switzerland, Taiwan, UK, and US.
A recording of this presentation can be viewed at:
https://youtu.be/aC0h4cXI9Ug
Energy efficiency first – retrofitting the building stock finalLeonardo ENERGY
Retrofitting the building stock is a challenging undertaking in many respects - including costs. Can it nevertheless qualify as a measure under the Energy Efficiency First principle? Which methods can be applied for the assessment and what are the results in terms of the cost-effectiveness of retrofitting the entire residential building stock? How do the results differ for minimization of energy use, CO2 emissions and costs? And which policy conclusions can be drawn?
This presentation was used during the 18th webinar in the Odyssee-Mure on Energy Efficiency Academy on February 3, 2022.
A link to the recording: https://youtu.be/4pw_9hpA_64
How auction design affects the financing of renewable energy projects Leonardo ENERGY
Recording available at https://youtu.be/lPT1o735kOk
Renewable energy auctions might affect the financing of renewable energy (RE) projects. This webinar presents the results of the AURES II project exploring this topic. It discusses how auction designs ranging from bid bonds to penalties and remuneration schemes impact financing and discusses creating a low-risk auction support framework.
This presentation discusses the contribution of Energy Efficiency Funds to the financing of energy efficiency in Europe. The analysis is based on the MURE database on energy efficiency policies. As an example, the German Energy Efficiency Fund is described in more detail.
This is the 17th webinar in the Odyssee-Mure on Energy Efficiency Academy.
Recordings are available on: https://youtu.be/KIewOQCgQWQ
(see updated version of this presentation:
https://www.slideshare.net/sustenergy/energy-efficiency-funds-in-europe-updated)
The Energy Efficiency First Principle is a key pillar of the European Green Deal. A prerequisite for its widespread application is to secure financing for energy efficiency investments.
This presentation discusses the contribution of Energy Efficiency Funds to the financing of energy efficiency in Europe. The analysis is based on the MURE database on energy efficiency policies. As an example, the German Energy Efficiency Fund is described in more detail.
This is the 17th webinar in the Odyssee-Mure on Energy Efficiency Academy.
Recordings are available on: https://youtu.be/KIewOQCgQWQ
Five actions fit for 55: streamlining energy savings calculationsLeonardo ENERGY
During the first year of the H2020 project streamSAVE, multiple activities were organized to support countries in developing savings estimations under Art.3 and Art.7 of the Energy Efficiency Directive (EED).
A fascinating output of the project so far is the “Guidance on Standardized saving methodologies (energy, CO2 and costs)” for a first round of five so-called Priority Actions. This Guidance will assist EU member states in more accurately calculating savings for a set of new energy efficiency actions.
This webinar presents this Guidance and other project findings to the broader community, including industry and markets.
AGENDA
14:00 Introduction to streamSAVE
(Nele Renders, Project Coordinator)
14:10 Views from the EU Commission and the link with Fit-for-55 (Anne-Katherina Weidenbach, DG ENER)
14:20 The streamSAVE guidance and its platform illustrated (Elisabeth Böck, AEA)
14:55 A view from industry: What is the added value of streamSAVE (standardized) methods in frame of the EED (Conor Molloy, AEMS ECOfleet)
14:55 Country experiences: the added value of standardized methods (Elena Allegrini, ENEA, Italy)
The recordings of the webinar can be found on https://youtu.be/eUht10cUK1o
This webinar analyses energy efficiency trends in the EU for the period 2014-2019 and the impact of COVID-19 in 2020 (based on estimates from Enerdata).
The speakers present the overall trend in total energy supply and in final energy consumption, as well as details by sector, alongside macro-economic data. They will explain the main drivers of the variation in energy consumption since 2014 and determine the impact of energy savings.
Speakers:
Laura Sudries, Senior Energy Efficiency Analyst, Enerdata
Bruno Lapillonne, Scientific Director, Enerdata
The recordings of the presentation (webinar) can be viewed at:
https://youtu.be/8RuK5MroTxk
Energy and mobility poverty: Will the Social Climate Fund be enough to delive...Leonardo ENERGY
Prior to the current soaring energy prices across Europe, the European Commission proposed, as part of the FitFor55 climate and energy package, the EU Social Climate Fund to mitigate the expected social impact of extending the EU ETS to transport and heating.
The report presented in this webinar provides an update of the European Energy Poverty Index, published for the first time in 2019, which shows the combined effect of energy and mobility poverty across Member States. Beyond the regular update of the index, the report provides analysis of the existing EU policy framework related to energy and transport poverty. France is used as a case study given the “yellow vest” movement, which was triggered by the proposed carbon tax on fuels.
Watch the recordings of the webinar:
https://youtu.be/i1Jdd3H05t0
Does the EU Emission Trading Scheme ETS Promote Energy Efficiency?Leonardo ENERGY
This policy brief analyzes the main interacting mechanisms between the Energy Efficiency Directive (EED) and the EU Emission Trading Scheme (ETS). It presents a detailed top-down approach, based on the ODYSSEE energy indicators, to identify energy savings from the EU ETS.
The main task consists in isolating those factors that contribute to the change in energy consumption of industrial branches covered by the EU ETS, and the energy transformation sector (mainly the electricity sector).
Speaker:
Wolfgang Eichhammer (Head of the Competence Center Energy Policy and Energy Markets @Fraunhofer Institute for Systems and Innovation Research ISI)
The recordings of this webinar can be watched via:
https://youtu.be/TS6PxIvtaKY
Energy efficiency, structural change and energy savings in the manufacturing ...Leonardo ENERGY
The first part of the presentations presents the energy efficiency improvements in the manufacturing sector since 2000, and the role of structural change between the different branches and energy savings. It will compare the improvements in Denmark and other countries with EU average. This part is based on ODYSSEE data.
The second part of the presentation presents the development in Denmark in more detail, and it will compare the energy efficiency improvement, corrected for structural change, with the reported savings from the Energy Efficiency Obligation Scheme.
Recordings of the live webinar are on https://youtu.be/VVAdw_CS51A
Energy Sufficiency Indicators and Policies (Lea Gynther, Motiva)Leonardo ENERGY
This policy brief looks at questions ‘how to measure energy sufficiency’, ‘which policies and measures can be used to address energy sufficiency’ and ‘how they are used in Europe today’.
Energy sufficiency refers to a situation where everyone has access to the energy services they need, whilst the impacts of the energy system do not exceed environmental limits. The level of ambition needed to address energy sufficiency is higher than in the case of energy efficiency.
This is the 13th edition of the Odyssee-Mure on Energy Efficiency Academy, and number 519 in the Leonardo ENERGY series. The recording of the live presentation can be found on https://www.youtube.com/watch?v=jEAdYbI0wDI&list=PLUFRNkTrB5O_V155aGXfZ4b3R0fvT7sKz
The Super-efficient Equipment and Appliance Deployment (SEAD) Initiative Prod...Leonardo ENERGY
The Super-efficient Equipment and Appliance Deployment (SEAD) Initiative Product Efficiency Call to Action, by Melanie Slade - IEA and Nicholas Jeffrey - UK BEIS
Dev Dives: Train smarter, not harder – active learning and UiPath LLMs for do...UiPathCommunity
💥 Speed, accuracy, and scaling – discover the superpowers of GenAI in action with UiPath Document Understanding and Communications Mining™:
See how to accelerate model training and optimize model performance with active learning
Learn about the latest enhancements to out-of-the-box document processing – with little to no training required
Get an exclusive demo of the new family of UiPath LLMs – GenAI models specialized for processing different types of documents and messages
This is a hands-on session specifically designed for automation developers and AI enthusiasts seeking to enhance their knowledge in leveraging the latest intelligent document processing capabilities offered by UiPath.
Speakers:
👨🏫 Andras Palfi, Senior Product Manager, UiPath
👩🏫 Lenka Dulovicova, Product Program Manager, UiPath
GraphRAG is All You need? LLM & Knowledge GraphGuy Korland
Guy Korland, CEO and Co-founder of FalkorDB, will review two articles on the integration of language models with knowledge graphs.
1. Unifying Large Language Models and Knowledge Graphs: A Roadmap.
https://arxiv.org/abs/2306.08302
2. Microsoft Research's GraphRAG paper and a review paper on various uses of knowledge graphs:
https://www.microsoft.com/en-us/research/blog/graphrag-unlocking-llm-discovery-on-narrative-private-data/
Removing Uninteresting Bytes in Software FuzzingAftab Hussain
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
Encryption in Microsoft 365 - ExpertsLive Netherlands 2024Albert Hoitingh
In this session I delve into the encryption technology used in Microsoft 365 and Microsoft Purview. Including the concepts of Customer Key and Double Key Encryption.
The Metaverse and AI: how can decision-makers harness the Metaverse for their...Jen Stirrup
The Metaverse is popularized in science fiction, and now it is becoming closer to being a part of our daily lives through the use of social media and shopping companies. How can businesses survive in a world where Artificial Intelligence is becoming the present as well as the future of technology, and how does the Metaverse fit into business strategy when futurist ideas are developing into reality at accelerated rates? How do we do this when our data isn't up to scratch? How can we move towards success with our data so we are set up for the Metaverse when it arrives?
How can you help your company evolve, adapt, and succeed using Artificial Intelligence and the Metaverse to stay ahead of the competition? What are the potential issues, complications, and benefits that these technologies could bring to us and our organizations? In this session, Jen Stirrup will explain how to start thinking about these technologies as an organisation.
Climate Impact of Software Testing at Nordic Testing DaysKari Kakkonen
My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
Welcome to the first live UiPath Community Day Dubai! Join us for this unique occasion to meet our local and global UiPath Community and leaders. You will get a full view of the MEA region's automation landscape and the AI Powered automation technology capabilities of UiPath. Also, hosted by our local partners Marc Ellis, you will enjoy a half-day packed with industry insights and automation peers networking.
📕 Curious on our agenda? Wait no more!
10:00 Welcome note - UiPath Community in Dubai
Lovely Sinha, UiPath Community Chapter Leader, UiPath MVPx3, Hyper-automation Consultant, First Abu Dhabi Bank
10:20 A UiPath cross-region MEA overview
Ashraf El Zarka, VP and Managing Director MEA, UiPath
10:35: Customer Success Journey
Deepthi Deepak, Head of Intelligent Automation CoE, First Abu Dhabi Bank
11:15 The UiPath approach to GenAI with our three principles: improve accuracy, supercharge productivity, and automate more
Boris Krumrey, Global VP, Automation Innovation, UiPath
12:15 To discover how Marc Ellis leverages tech-driven solutions in recruitment and managed services.
Brendan Lingam, Director of Sales and Business Development, Marc Ellis
Generative AI Deep Dive: Advancing from Proof of Concept to ProductionAggregage
Join Maher Hanafi, VP of Engineering at Betterworks, in this new session where he'll share a practical framework to transform Gen AI prototypes into impactful products! He'll delve into the complexities of data collection and management, model selection and optimization, and ensuring security, scalability, and responsible use.
Le nuove frontiere dell'AI nell'RPA con UiPath Autopilot™UiPathCommunity
In questo evento online gratuito, organizzato dalla Community Italiana di UiPath, potrai esplorare le nuove funzionalità di Autopilot, il tool che integra l'Intelligenza Artificiale nei processi di sviluppo e utilizzo delle Automazioni.
📕 Vedremo insieme alcuni esempi dell'utilizzo di Autopilot in diversi tool della Suite UiPath:
Autopilot per Studio Web
Autopilot per Studio
Autopilot per Apps
Clipboard AI
GenAI applicata alla Document Understanding
👨🏫👨💻 Speakers:
Stefano Negro, UiPath MVPx3, RPA Tech Lead @ BSP Consultant
Flavio Martinelli, UiPath MVP 2023, Technical Account Manager @UiPath
Andrei Tasca, RPA Solutions Team Lead @NTT Data
LF Energy Webinar: Electrical Grid Modelling and Simulation Through PowSyBl -...DanBrown980551
Do you want to learn how to model and simulate an electrical network from scratch in under an hour?
Then welcome to this PowSyBl workshop, hosted by Rte, the French Transmission System Operator (TSO)!
During the webinar, you will discover the PowSyBl ecosystem as well as handle and study an electrical network through an interactive Python notebook.
PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
- A fully editable and extendable library for grid component modelling;
- Visualization tools to display your network;
- Grid simulation tools, such as power flows, security analyses (with or without remedial actions) and sensitivity analyses;
The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
What you will learn during the webinar:
- For beginners: discover PowSyBl's functionalities through a quick general presentation and the notebook, without needing any expert coding skills;
- For advanced developers: master the skills to efficiently apply PowSyBl functionalities to your real-world scenarios.
Observability Concepts EVERY Developer Should Know -- DeveloperWeek Europe.pdfPaige Cruz
Monitoring and observability aren’t traditionally found in software curriculums and many of us cobble this knowledge together from whatever vendor or ecosystem we were first introduced to and whatever is a part of your current company’s observability stack.
While the dev and ops silo continues to crumble….many organizations still relegate monitoring & observability as the purview of ops, infra and SRE teams. This is a mistake - achieving a highly observable system requires collaboration up and down the stack.
I, a former op, would like to extend an invitation to all application developers to join the observability party will share these foundational concepts to build on:
In his public lecture, Christian Timmerer provides insights into the fascinating history of video streaming, starting from its humble beginnings before YouTube to the groundbreaking technologies that now dominate platforms like Netflix and ORF ON. Timmerer also presents provocative contributions of his own that have significantly influenced the industry. He concludes by looking at future challenges and invites the audience to join in a discussion.
Elevating Tactical DDD Patterns Through Object CalisthenicsDorra BARTAGUIZ
After immersing yourself in the blue book and its red counterpart, attending DDD-focused conferences, and applying tactical patterns, you're left with a crucial question: How do I ensure my design is effective? Tactical patterns within Domain-Driven Design (DDD) serve as guiding principles for creating clear and manageable domain models. However, achieving success with these patterns requires additional guidance. Interestingly, we've observed that a set of constraints initially designed for training purposes remarkably aligns with effective pattern implementation, offering a more ‘mechanical’ approach. Let's explore together how Object Calisthenics can elevate the design of your tactical DDD patterns, offering concrete help for those venturing into DDD for the first time!
2. PHOTOVOLTAIC SYSTEM
Design, Execution, Operation & Maintenance
FACILITY DESIGN
Javier Relancio. Generalia Group. 14/09/2010
www.generalia.es
2
http://www.leonardo-energy.org/training-pv-systems-design-construction-operation-and-maintenance
3. INDEX
Evaluation of the solar resource
Increasing the plant profitability from the design
Choosing the components
Photovoltaic facilities calculations
Single-line diagram
3
http://www.leonardo-energy.org/training-pv-systems-design-construction-operation-and-maintenance
4. INDEX
Evaluation of the solar resource
Increasing the profitability of the plant from the design
Choosing the components
Photovoltaic facilities calculations
Single-line diagram
4
http://www.leonardo-energy.org/training-pv-systems-design-construction-operation-and-maintenance
5. Solar resource evaluation
Characteristics of the solar resource: random and variable
Great quantity and quality of measurement stations, both the global radiation and its
components: direct and diffuse
These stations are insufficient to allow the evaluation of any geographical location
or with changeable topography.
The usage of Geostationary satellites images are
a tool that can cover this gap
They are more reliable than the interpolation
of the data from closer meteorological stations
5
http://www.leonardo-energy.org/training-pv-systems-design-construction-operation-and-maintenance
6. Solar resource evaluation:
Solar Radiation maps
Each day, we can find new
maps, which have less
uncertain measures
They allow a first approach to
the viability study for a solar
plant location
They can be considered
enough for small solar facilities Source: NASA
But, to get a completely certain measure, a rigorous solar radiation evaluation must
be done in situ.
Then, we could additionally compare them with the satellite information and
the closer meteorological stations
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7. INDEX
Evaluation of the solar resource
Increasing the plant profitability from the design
Choosing the components
Photovoltaic facilities calculations
Single-line diagram
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8. Towards the profitability of
the plant from the design
Resource evaluation System losses (PR)
• Latitude
• Shadows
• Longitude
• Disconnections & Breakdowns
• Altitude
• Panel tolerance
• Data from closest
• Pollution, dispersion & reflectance
meteorological stations
• Temperature
• Data from satellites
• Inverter
• Cables
OPTIMUM
PROFITABILITY
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9. INDEX
Evaluation of the solar resource
Increasing the plant profitability from the design
Choosing the components
Photovoltaic facilities calculations
Single-line diagram
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10. Inverters: Trends
The inverter can be considered as the heart of a solar facility
Its cost, in relation to the complete installation, is between 6% - 9%
Its performance is already between 95 %-97 %
It is important to know about their operation principles. We can find 3 options:
MULTI CONTROLLED
MULTI POWER STAGES ONE POWER STAGE
POWER STAGES
The electrical companies can ask for galvanic isolation transformers when the connection
is in low voltage
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11. Inverters: features
The inverter main features are:
Maximum Input Voltage:
The PV generator voltage must be under the
inverter maximum input voltage
MPPT Voltage:
It is the range where the inverter is able to get
the Maximum Power Point from the PV
generator I‐V profile.
The PV generator voltage must be within this
range in the different conditions and weather
during the whole year.
Source: SolarMax
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12. Inverters: Features
Other important parameters are:
• Inverter efficiency:
• As it is shown in the graphic, the inverter has a different efficiency depending on the load. Usually,
the manufacturers give the maximum efficiency and the european efficiency, which is the weighting
of the different efficiencies when the load is: 5%, 10%, 30%...100%
• Inverter temperature range:
• This is really important, as in some places the temperature can reach over 40º, and extra cooling
might be considered
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13. Crystalline or Thin-film Panels
Visual identification:
Mono crystalline Poli crystalline Thin film A‐Si:H
Source: Atersa
Thin film panel observations:
They are cheaper, but they need larger surfaces & structures
The guaranteed output power is not as precise as in Mono/Poli crystalline modules
There are no references from facilities producing an important amount of years
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14. Crystalline or Thin film modules
CRYSTALLINE PANEL PRICE* TEMPERATURE EFFICIENCY REQUIRED
INFLUENCE SURFACE
Mono crystalline
Poli crystalline
THIN FILM PANEL
CGIS (Copper‐Gallium‐Indium
Selenide)
CIS (Copper‐Indium Selenide)
CdTe (Cadmium telluride)
A‐Si:H triple (Amorphous silicon
triple union)
A‐Si:H tandem (Amorphous silicon
double union)
A‐Si:H single (Amorphous silicon)
* This information can be altered depending on each manufacturer price policy
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16. PV Module Specs
The losses due to temperature affect the production
specially in countries with latitudes between 0 – 35º
Among panels with the same technology: the
thermal coefficient is quite similar among the
different manufacturers & models
Source: Atersa
Among panels with different technologies: we can find big differences, as we can see in the technical
information below.
A: Si Polycrystalline
Source: QS Solar
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17. Concentration Panel
Concentration technology is still being developed
Fresnel Lens (and other kinds)
Refractive optical system
Concentration up to 500x
Potential cost savings Source: Everphoton
Improvement in cell efficiency: from actual 30% towards 40%
Increasing the concentration: from actual 500x towards 1000x
Hardest challenges
Extremely accurate suntracking (Accuracy < 0.1 - 0.2º): High costs
Optical elements degradation
Cooling systems are required
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18. Protections
The protections to be installed are:
DC side AC side
DC AC AC
DC Miniature Circuit Miniature Circuit
Fuses Differential
Breaker (MCB) Breaker (MCB)
Example: ABB S800PV (Specifications)
S800PV-S High Performance MCB
Versions: 2P, 3P & 4P
Current: Up to 80 A
Voltage: 800 Vdc with 2P & 1200Vcc with 3P & 4P
S800PV-M Switch-Disconnector
Versions: 2P, 3P & 4P Source: ABB
Current: Up to 125 A
Voltage: 800Vcc with 2P & 1200Vcc with 3P & 4P
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20. Cables
Cable Requirements for PV facilities
The facility has a lifetime of over 25 years
From solar panel to inverter: weatherproof for outdoor conditions and
suitable for indoor conditions (in houses or industries)
From inverters to meters: direct burial or inside cable ducts
If medium-voltage is required, it might be suitable:
For underground installation (inside cable ducts)
For aerial installation
Source: TopCable
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21. Cables
It is recommended to use*:
Specific PV usage cable
RZ Cable
Main features:
Conductor: electrolytic copper
Insulation: halogen free
Cover: fireproof; low emissions (corrosive gas & toxic smokes) in
case of fire
To avoid health damages and device damages
Obligatory in public locations
A comparative table can be found in next slides
Source: TopCable
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* Based in previous slide considerations
24. Earthing System
Typical elements (used in every electrical installation):
Earth peg: different sizes depending on the required depth
(from 1,5 to 2,5 meters)
Cable: copper without cover >35mm2.
Depending on the installation:
Low-power installations: it would be enough to use several
earth pegs connected by a copper cable (without cover)
High-power installations: a copper cable grid is usually used
(without cover). Depending on the physical measures, earth pegs
can be also used.
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25. Transformation stations
Required elements for a Medium-voltage installation:
Transformer:
With the same power as the PV inverter output.
With the following features:
Mineral oil bath
Accessible neutral (in low-voltage)
Natural cooling
Three-phase voltage reduction: MV - LV
Medium-voltage cells:
We can find different types, such as:
Measurement cell
Automatic switch cell
They can be remotely controlled
Depending on each connection requirement, the company might
define the devices, and the cost may vary drastically.
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26. Metering Device
The meter must be certified in the country where it will be used
Typical specifications to meet are:
Class 1.0 ( Class B)
Bidirectional
Optical & RS 485 outputs
Depending on the installed power the meter can be directly connected
or coil inductors are to be used.
Source: Circutor
The most usual cases are:
The grid connected PV facility exports all the generated electricity towards
the grid, except the consumption of its own devices: Inverters, Monitoring &
communications devices, Auxiliary services, Suntracking devices
The grid connected PV facility uses the network as a battery. This type is
known as “Net metering”
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27. Grid connection point
In order to avoid shadowing, MV cable will be buried underground
Usual voltage will be between 15 kV – 30 kV (Although it can be a
different one depending on each country)
An underground to aerial link will be done, to connect with the power line
of the electric company
Main features for the copper cable
Density g/cm3 8,89
Resistivity Ohm – mm2/km 17.241
Conductivity (%IACS) 100.0
Breaking strength Mpa 220
Elongation % 25 – 30
Corrosion resistance Excellent
MT PV Facility
Source: Centelsa
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28. Grid connection point
The MV cable requires a reinforcement to guarantee that the electrical
distribution is homogeneous.
This reinforcement is done in three layers (triple extrusion):
• Conductor reinforcement
• Insulation
• Insulation reinforcement
The cable requires also an external
cover to provide resistance to:
• Humidity
• Fire
• UV sunlight
Source: Centelsa
• Impact
• Chemicals agents
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29. INDEX
Evaluation of the solar resource
Increasing the plant profitability from the design
Choosing the components
Photovoltaic facilities calculations
Single-line diagram
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30. Towards the PR (Performance Ratio)
definition
Electric Energy (Wh) System Losses
PR = 0,74 - 0.78
Radiation (Wh/m2)
Considerations:
1. The values considered in the following slides are estimated values and should only be used as an
approach. They may vary depending on each location.
2. A detailed Performance Ratio study is fundamental to evaluate the profitability of each solar facility
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31. System Losses evaluation
100% 1. Temperature. (9%) +10ºC 4% received energy
91% 2. Inverter. We can consider about 6%. New inverters can reach 4%
87,4% 3. Cable: AC, DC & other electric devices: < 2%
85,6% 4. Panel tolerance. It shouldn’t be higher than 3%
83% 5. Pollution, dispersion & reflectance.
1. Fixed panel: aprox.3%
2. Suntracking system: 2%.
80,6% In urban areas, it should de increased by 2%
6. Shadowing. They should be below 4%. In case of using suntracking
77,3% systems, a shadowing study might be necessary.
7. Other losses (incidences, etc).
1. Fixed panel: 2%
75,8% 2. Suntracking system: 4%.
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32. Keys to optimize the PR
Choose cool locations, as elevated areas
Select inverters with high efficiency and Maximum Power Point Tracking (MPPT)
Consider extra cable sizing avoiding long traces with voltage drops
Choose solar panels with tolerances between +/- 2-3%
Cleaning the modules in long periods without rain
Balance the separation between panel rows (to avoid shadowing) with the
optimization of the surface area
Minimize the impact of breakdowns, with a preventive maintenance.
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33. Shadowing evaluation
Depending on the type of installation, the shadowing study and the surface optimization,
the project profitability may vary.
The main aspect to study are:
Azimuthal deviation from the south (North hemisphere) or north (South hemisphere)
Tilt of the solar panel
Shadows of extern elements
Shadows of own elements
FIX - GROUND SUNTRACKING-GROUND FIX - ROOF INTEGRATION
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34. Fix - Ground
1. Distance between panel rows
A basic rule would be to avoid shadows during the 4 central hours of the day, in
the day of the year with less radiation.
This implies calculating the angle of the sun (height regarding the line of the
horizon) to +/-2 hours regarding the solar midday. This angle will vary depending
on the latitude
The objective is to avoid that the top of the front panel projects a shadow to the
lowest part of the panel that is placed behind.
d= h / k
Latitude 29° 37° 39° 41° 43° 45°
34 k 1,600 2,246 2,475 2,747 3,078 3,487
35. Fix - Ground
2. Tilt angles
The optimum tilt angle of the solar panel can be expressed by the following
simplified formula: Tilt = Latitude – 10º
In Spain, tilt angles from 30 to 33º is considered as optimum, but tilt angles
between 20 – 40º don’t mean considerable system losses
Tilt angles below 15º in urban areas may cause system losses due to pollution
and dirt accumulation on the panels.
Local land slope will be logically taken into account, which can help reducing
distance between the panel rows to improve the surface profit. (Obviously, the
opposite effect can happen)
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36. Fix - Ground
3. Orientation angle
The most favorable orientation is 0º South (North hemisphere).
An orientation deviation below 20º (East or West) cause negligible system losses.
The following graph (which is valid for a 40º latitude) shows how additional losses
may appear depending on the combination of orientation and tilt angle.
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37. Suntracking - ground
…Placement optimization
A practical example: Solar Plant in Valdecarabanos (Spain)
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38. Suntracking - ground
…Location optimization
Previous tasks:
Environmental conditions
Urban conditions
Topography
External elements shadowing study (trees, electrical posts, etc)
Own elements shadowing study: direct & crossed (in suntracking
cases)
Definition of the distance between suntrackers (or panel rows)
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39. Suntracking - ground
…Location optimization. Shadowing study
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40. Fix - Roofs
As grid connected solar facilities are considered as an investment, we have to choose
between the following cases:
To place the solar panels at the optimum tilt and orientation angle.
To adapt the solar panels to the roof shape OPTIMUM ANGLE & ORIENTATION
We should take into account:
Impact of angle orientation.
Impact of tilt angle.
Impact of shadows
Comparison between adapted VS optimum
Roof geometrical limits ROOF ADDAPTED
Remarks: be careful with panels from
the same “row” in different planes
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41. Architectural integration
Two possibilities:
To avoid visual impact, adapting the solar panels to the roof shape
To integrate the panel as a constructive element with a certain function:
Electricity generation
Sunshade effect: special panels which allow some sunlight to go
through
Innovative design: usually special structures are required, and this
may increase the installation costs
In architectural integration, the solar facility is not considered as just an
profitable investment, but also as an image and design element
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42. Annual production
We will consider that the radiation, in the south of Madrid (Spain), for a certain
year can be around 4.77 kW-h/m2 (Average)
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43. Annual production
Production by kWp (installed)
Hmed − day × PR × finc × days / year × Pinst
Eannual / kWp =
ISTC
(4.7 kW-h/ m2 –day x 0.74 x 1.15 x 365 day x 1 kW) / 1 kW/m2
Hmed-day Average solar radiation per day
PR Performance ratio for the solar installation. Dimensionless
F inc Tilt coefficient: a ratio normally obtained from the optimum tilt for a fixed
panel (Which optimizes its performance). In Spain (Latitude = 40º) it is 1.15
Pinst Installed solar power
ISTC Average irradiance in the horizontal plane
Expected production for this horizontal radiation, with a PR = 0.74, would be: 1460 kW-h
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44. System configuration
Once the modules and inverters are selected, the configuration of the system allows to
maximize the produced energy
It is possible that in some cases we should consider the use of a different module or
inverter in order to improve the system performance.
The configuration of the systems takes into account:
Maximum input voltage of the inverter
Maximum input current of the inverter
Voltage and current at Maximum Power Point
When designing the solar panel configuration in series and parallels, we must take into
account that the voltage and current of the branch will change depending on the
temperature. Therefore it will be necessary to choose extreme values of the region for the
calculation.
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46. Electrical calculation
It is very important to take into account:
Maximum current in the cables
Maximum allowed voltage drop.
If there is a long distance the main factor to determine the cable section will be the
voltage drop.
If there is a very short distance the current that flows along the cable will determine the
section of the cable
Tramo
Seccion estandar (mm2)
Sección calc. (mm2)
Imax_admisible
∆V max (%)
∆V max (V)
V nom (V)
Conduct.
Inom (A)
Long.
Wp inst (kWp) Seccion (mm2)
100% 70% 30% 100% 70% 30%
ZA01 93 541 72 50 22 133 93 40 35 1,0 5,4 131 92 39 97 150 338
ZA02 97 541 72 50 22 133 93 40 35 1,0 5,4 136 95 41 101 150 338
ZA03 115 541 72 50 22 133 93 40 35 1,0 5,4 162 113 48 120 150 338
ZA04 133 541 38 27 12 71 50 21 35 1,0 5,4 100 70 30 74 95 245
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47. Electrical design
In order to do a simplified earthing calculation, we can start with the following formulas
depending on the soil resistivity and the electrode characteristics
Electrode Soil resistivity (Ohm)
Buried plate R = 0,8 ρ/P ρ, soil resistivity (Ohm x m)
Vertical peg R = ρ/L P, Plate perimeter (m)
Buried conductor R = 2 ρ/L L, Peg or conductor length (m)
The average values of the resistivity, depending on the type of soil are:
Type of Soil Soil resistivity (Ohm)
Cultivable and fertile soils, compact and wet soils 50
Cultivable non fertile soil, or other soils 500
Naked rock soils, and dried and permeable soils 3.000
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48. Electrical calculations
The cable sizing is based on the following formulas:
• Considering:
•Three Phases
• P = Power
• L = Cable length
• γ = Cable conductivity
•One Phase • E = Allowed voltage drop
• U= Line voltage
• For example, for LV in Europe:
• 400V in Three-phase
• 230V in One-phase
TABLE OF CONDUCTIVITY DEPENDING ON THE TEMPERATURE
Material γ 20 γ 70 γ 90
Copper 56 48 44
Aluminium 35 30 28
Temperature 20 ºC 70 ºC 90ºC
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49. Over Voltage
A lightning may produce a transitory overvoltage of
short duration, with a huge amplitude.
TRANSITORY OVERVOLTAGE
The overvoltage produced due to network unbalances is
a permanent overvoltage, with a longer duration and a
lower amplitude.
In order to protect our installation against overvoltage,
electrical dischargers can be connected at the input and
output of each device to be protected. PERMANENT OVERVOLTAGE
There are three different protection levels:
High Middle Low
DEVICE PROTECTION LEVEL
INVERTER
METER
Source: Cirprotect
CC CABINET
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50. Transformers connection topology
In installations where more than one Medium Voltage transformer is required, it is
important to define the correct topology for the connection between all the MV
transformers and the main grid (Power line).
The possible connections options are:
STAR
RING
PRODUCTION
LOSSES
CABLE BREAK DOWN
NO PRODUCTION
LOSSES
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51. INDEX
Evaluation of the solar resource
Increasing the plant profitability from the design
Choosing the components
Photovoltaic facilities calculations
Single-Line diagram
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52. Single-line diagram
FUSE
DC
MCB
DIFERENTIAL
PROTECTION
AC
MCB
ELECTRICAL COMPANY
DEVICE
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53. End of Session 1
Thank you for attending
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construction-operation-and-maintenance
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