Exploring the Impact of EVs on the Power Grid with High Penetration of RES
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This document discusses the impact of electric vehicles (EVs) on the power grid with high penetration of renewable energy sources (RES). It presents two approaches to charging EVs smartly: optimized charging and rule-based charging. The document also describes tools used like OpenDSS, OMNeT++, and R that allow modeling and simulating smart grid systems. Case studies are presented showing how optimized constant demand charging and profit maximization strategies can improve grid performance by managing demand, electricity prices, reactive power control, power quality, and reducing losses.
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Automatic Fault Detection System with IOT Based
The fault location is an important part for any transmission line and distribution system. The location of fault is difficult task sometimes it takes lot of times needed for the exact location of the fault. The exact fault location can help the service man to overcome the fault free system in very less time. In this paper we are able to detect the fault range in easy way using the ESP module and the message is transferred on the mobile. This project is cost effective and reliable. Fast fault detection provide the protection of equipment before any significant damage. Er. Sanjeev Kumar | Mohd Mehraj Khan | Nadeem | Shailesh Kumar Yadav | Harsh Gupta "Automatic Fault Detection System with IOT Based" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-5 , August 2021, URL: https://www.ijtsrd.com/papers/ijtsrd43806.pdf Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/43806/automatic-fault-detection-system-with-iot-based/er-sanjeev-kumar
Bt31275283
This document discusses power management in the Optimized Link State Routing (OLSR) protocol for mobile ad hoc networks. It begins by introducing mobile ad hoc networks and the need for power management to increase node and network lifetimes. It then classifies power management schemes and discusses how power consumption can be optimized, such as by minimizing transmit, receive, and idle power usage. The document focuses on modifying the OLSR protocol to incorporate power awareness routing and management to further improve energy efficiency. It was evaluated using the QualNet simulator.
Power quality improvement of grid interconnected distribution system using fs...
Power quality improvement of grid interconnected distribution system using fs...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.Power quality improvement of grid interconnected distribution system using fs...
Abstract This paper presents a fuzzy step size least mean square (LMS) algorithm for grid connected renewable energy source. The main objective is to mitigate the harmonics and the neutral current compensation. The conventional controllers may fail due to the rapid change in the dynamics of the highly non-linear system. The fuzzy step size least mean square (FSS-LMS) algorithm in handling theuncertainties and learning from the processes is proved to be advantageous while the inverter operating at fluctuatingoperating conditions. The inverter is controlled tocompensate the harmonics and current imbalance of a three phase four wire non-linear load with generatedrenewable power injection in to the grid.The grid will always supply/absorb a balanced set offundamental currents at unity power factor even in the presence of three phase four wire non-linear unbalance load at point of common coupling(PCC).The proposed system is developed and simulated inMATLAB/SimPowerSystem environment under differentoperating conditions.
Smart grid ppt
This document discusses managing smart grid power systems using Zigbee technology. It begins with an introduction to smart grids and their benefits like more efficient and flexible power system operation using new communication technologies. It then discusses the need for smart grids due to increasing energy demands and inefficiencies in conventional grids. The document outlines the benefits of smart grids like improved efficiency, reliability, and support for renewable energy integration. It describes how Zigbee can be used as a wireless technology for smart grid communication. It provides a block diagram of a smart grid system and discusses challenges like costs and security issues. In conclusion, it states that smart grids can provide electricity more efficiently through better allocation of power.
Simultaneous network reconfiguration and capacitor allocations using a novel ...
Power loss and voltage magnitude fluctuations are two major issues in distribution networks that have drawn a lot of attention. Combining two of the numerous strategies for solving these problems and dealing with them simultaneously to get more effective outcomes is essential. Therefore, this study hybridizes the network reconfiguration and capacitor allocation strategies, proposing a novel dingo optimization algorithm (DOA) to solve the optimization problems. The optimization problems for simultaneous network reconfiguration and capacitor allocations were formulated and solved using a novel DOA. To demonstrate its effectiveness, DOA’s results were contrasted with those of the other optimization techniques. The methodology was validated on the IEEE 33-bus network and implemented in the MATLAB program. The results demonstrated that the best network reconfiguration was accomplished with switches 7, 11, 17, 27, and 34 open, and buses 8, 29, and 30 were the best places for capacitors with ideal sizes of 512, 714, and 495 kVAr, respectively. The network voltage profile was significantly improved as the least voltage at bus 18 was increased to 0.9530 p.u. Furthermore, the overall real power loss was significantly mitigated by 48.87%, which, when compared to the results of other methods, was superior.
Detection of Power Grid Synchronization Failure on Sensing Frequency and Volt...
This document presents a system to detect power grid synchronization failures by sensing abnormalities in frequency and voltage. The system uses an Arduino microcontroller to monitor voltage and frequency from sensors. If the values go outside acceptable limits, it triggers a relay to disconnect the load and sends alerts by GSM and GPS. The system aims to prevent blackouts by detecting issues early and allowing time for response. It was tested using loads like lamps and successfully detected and responded to over/under voltage and frequency changes by displaying warnings on an LCD. This provides automatic grid protection while synchronizing multiple generation sources in parallel.
Implementation of Automation for the Seamless Identification of Fault in Mode...
Every machine in the world runs on electricity so we cannot even imagine the world without electric power. Electricity has a pivotal role in our lives. Electricity is one of the aspect that leads to the development of the country and help people to live their life comfortably. Like power generation electric power distribution is also a challenging aspect. The existing Indian distribution network is also facing so many challenges such as the annual load growth is increasing, the distribution network power losses are high, distribution equipment failure due to over loading, poor voltage profile of the system and the number of breakdowns and frequent interruptions on distribution feeders are high. So there is a need for electric utilities to make their distribution system a modern one, a smart one and an agile one. These things necessitate the automation of a distribution system to overcome the prevailing difficulties. The paper presents a the distribution system Automation for a smart grid that is analyzed and implemented using Multi Agent System MAS for four significant issues of power system such as Fault identification, isolation and restoration FIIR using Multiagent system for a smart grid application. Abdul Wahied Khan | Yuvraj Singh Ranawat | Deepak Kumar Joshi "Implementation of Automation for the Seamless Identification of Fault in Modern Smart Grids" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-6 | Issue-3 , April 2022, URL: https://www.ijtsrd.com/papers/ijtsrd49856.pdf Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/49856/implementation-of-automation-for-the-seamless-identification-of-fault-in-modern-smart-grids/abdul-wahied-khan
Ijeee 28-32-accurate fault location estimation in transmission lines
Accurate Fault Location Estimation in Transmission Lines
B. Narsimha Reddy Dr. P. Chandra Sekar
Sr. Assistant Professor, Dept. of EEE Associate Professor, Dept. of EEE
Mahatma Gandhi Institute of Technology Mahatma Gandhi Institute of Technology
Hyderabad, TS, India Hyderabad, TS, India
babubnr@gmail.com Pcs_76@rediffmail.com
Abstract: In trendy power transmission systems, the double-circuit line structure is increasingly adopted. However, owing to the mutual coupling between the parallel lines it is quite difficult to style correct fault location algorithms. Moreover, the widely used series compensator and its protecting device introduce harmonics and non-linearity’s to the transmission lines, that create fault location a lot of difficult. To tackle these issues, this thesis is committed to developing advanced fault location strategies for double-circuit and series-compensated transmission lines. Algorithms utilizing thin measurements for pinpointing the situation of short-circuit faults on double-circuit lines square measure planned. By moldering the initial net-work into 3 sequence networks, the bus ohmic resistance matrix for every network with the addition of the citations fault bus may be developed. It’s a perform of the unknown fault location. With the increased bus ohmic resistance matrices the sequence voltage amendment throughout the fault at any bus may be expressed in terms of the corresponding sequence fault current and also the transfer ohmic resistance between the fault bus and the measured bus. Resorting to tape machine the superimposed sequence current at any branch may be expressed with relevancy the pertaining sequence fault current and transfer ohmic resistance terms. Obeying boundary conditions of different fault sorts, four different categories of fault location algorithms utilizing either voltage phasors, or phase voltage magnitudes, or current phasors or section current magnitudes square measure derived. The distinguishing characteristic of the planned methodology is that the information measurements need not stem from the faulted section itself. Quite satisfactory results are obtained victimisation EMTP simulation studies. A fault location rule for series-compensated transmission lines that employs two-terminal asynchronous voltage and current measurements has been implemented. For the distinct cases that the fault happens either on the left or on the right aspect of the series compensator, 2 subroutines square measure developed. In addition, the procedure to spot the proper fault location estimate is represented during this work. Simulation studies disbursed with Matlab Sim Power Systems show that the fault location results square measure terribly correct.
Keywords: Ohmic Resistance, Transmission Lines, PMU, DFR, VCR, EMTP, MOV.
Expectation from smart grid
People are talking about the smart grid to television commercials on this topic, we have a plethora of activities around the world where engineers, policy makers, entrepreneurs, and businesses have shown a keen interest in various aspects of this technology. There are smart-grid-related funding opportunities, projects, seminars, conferences, and training programs going on in Europe, the United States, Japan, India and China to name a few. With all this hope and expectation about the smart grid, the question needs to be asked— what it will take to make it real. For the smart grid to be practical and beneficial to society, the following are some of the expectation from the civic society.
SWIPT Enabled Device To Device Communication on PSO Based Resource and Power ...
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Optimization of Power System Problems Methods Algorithms and MATLAB Codes 202...
Providing a reliable and secure power and energy system is one of the main
challenges of the new era. The efficient operation of power systems contributes to
decrease in fuel consumption and gas emission, conservation of natural resources,
ensuring sustainability with better planning, and providing cleaner energy. The
evolving modern optimization methods lead to more effective solutions and are
promising for the continuously changing power system management, planning, and
operation. One of the most favored tools of researchers and electric system
developers for power system optimization is MATLAB software. Therefore, there
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Ns2 2015 2016 titles abstract
The document discusses several research papers related to resource allocation and control in wireless networks:
1. One paper proposes a joint access control and resource allocation mechanism for massive machine-to-machine device access in LTE networks to address performance degradation from concurrent access attempts.
2. Another models power control in dense small cell networks as a mean field game and develops an algorithm for base stations to independently adjust transmit power.
3. A third studies opportunistic relaying and jamming for secure cooperative transmission and optimizes power allocation between signals and jamming to maximize ergodic secrecy rate.
The document covers resource allocation techniques to improve performance in various wireless network settings.
Optimized Projected Strategy for Enhancement of WSN Using Genetic Algorithms
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Optimal design of adaptive power scheduling using modified ant colony optimi...
For generating and distributing an economic load scheduling approach, artificial neural network (ANN) has been introduced, because power generation and power consumption are economically non-identical. An efficient load scheduling method is suggested in this paper. Normally the power generation system fails due to its instability at peak load time. Traditionally, load shedding process is used in which low priority loads are disconnected from sources. The proposed method handles this problem by scheduling the load based on the power requirements. In many countries the power systems are facing limitations of energy. An efficient optimization algorithm is used to periodically schedule the load demand and the generation. Ant colony optimization (ACO) based ANN is used for this optimal load scheduling process. The present work analyse the technical economical and time-dependent limitations. Also the works meets the demanded load with minimum cost of energy. Inorder to train ANN back propagation (BP) technics is used. A hybrid training process is described in this work. Global optimization algorithms are used to provide back propagation with good initial connection weights.
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Exploring the Impact of EVs on the Power Grid with High Penetration of RES
- 1. Exploring the Impact of EVs on the Power Grid with High Penetration of RES Abdalkarim Awad, Anas Bazbaz, Almoutasem Marabeh, and Ahmad Samamra Department of Electrical and Computer Engineering Birzeit University, Palestine akarim@birzeit.edu
- 2. Bidirectional Power Flow 2 Traditional Network Current (Future) Network
- 3. EVs and the Power Grid EVs can be a problem if they are charged in an uncontrollable way E.g. charge the vehicles when come back to home from work (in the early evening) EVs can be a solution if used smartly Charge the EVs when there is high production and low demand Two Approaches Optimized Rule-based 3
- 4. Optimization How can we reduce the demand and losses? Power equations are non-linear! Power losses equations are non-linear! Can we use linear equation and ending up reduces losses? Keep the demand constant 4
- 7. Tools OpenDSS:is used for supporting distributed resource integration and grid modernization efforts. OMNeT++:data communication system simulator. INET framework: provides data communication protocols. SGsim framework:make it possible to test and implement smart grids. R tool: free software environment for statistical computing and graphics. It is used to compute the optimal time to charge the EVs. 7
- 9. Data PV , Load BZU 3 zones:- E1=235kWh,E2=318kWh,E3=394kWh. P1=85kW,P2=114kW,P3=142kW. Dr. Abdalkarim Awad 9
- 13. SGsim case study 13 SGsim: *Open DSS : *OmNet++: **Application : 1)Voltage regulation. 2)Reactive power injection **Network description : 1) EVS capacity:250kWh 2) Load: BZU housing 3) PV: 20kVA
- 14. Algorithm: 14
- 17. Conclusion The impact of EVs may be: Bad (dumb charge) Good (smart charge) large number of EVs (such as parking stations) would have a serious impact. Smart charging strategies ;constant demand, profit maximization, voltage regulation and reactive power injection; improve the performance of the power grid: Mange the demand Mange the increase of electricity price Reactive power control Power quality Reduce power losses Reduce the investments in the grid modernization 17
- 18. 18