4.2.3electricalenergy
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This document discusses basic electrical concepts including the relationships between energy, power, and time. It defines energy as power multiplied by time, with units of joules. Power is defined as energy divided by time, with units of watts. It also provides conversions for kilowatts to kilowatt-hours and gives an example problem calculating the energy used in joules and kilowatt-hours by a 2504 watt device running for 2 hours.
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- Energy can change forms through processes like conduction, convection, and radiation.
- Efficiency measures how much useful energy is obtained from the total energy input.
- There is a difference between renewable energy sources like solar and wood versus non-renewable fossil fuels like coal, oil and gas.
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Call us at +918261960970 or visit our web portal at https://www.envolta.in/ to know the important properties of nuclear energy.
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This document describes how to calculate the rotor frequency of a two-pole, 50 Hz induction motor given the rotor speed of 2850 rpm. It shows that the slip speed is 3000 rpm, the slip percentage is 5%, and using the formula fs x %slip / 100, the rotor frequency is calculated to be 2.5 Hz.
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The document describes the circuits and loads for an electrical installation. It lists 19 circuits with various lighting, power outlet, motor, and appliance loads. It calculates the demand current in amps for each phase based on adding the full load or percentage of full load for each circuit based on rating and number of devices. The highest calculated demand is 153.25 amps on phase L2. With a 10% allowance for future additions, the total recommended maximum current is 168.575 amps.
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The document outlines the demand calculations for 19 different circuit load groups across 3 phases. It lists the load description, current allowance calculation method, and resulting demand current for each phase. The total demand current per phase is calculated at the bottom, with values of 143.8 amps for phase 1, 153.25 amps for phase 2, and 145.05 amps for phase 3.
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The document describes the functions of 19 electrical circuits in a building. It lists the types of equipment connected to each circuit such as fluorescent lighting, outlets, motors, and appliances. It also indicates which of the 3 electrical phases (L1, L2, L3) each circuit is connected to.
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The document calculates the electrical load of communal services in an apartment building. It shows that 24 lighting points will draw 240 watts and 6 10A sockets will draw up to 12A, for a total demand of 18A per phase. The total demand current per phase for communal services is 18A.
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The document calculates the electrical load and demand for 6 living units per phase. It lists the types of loads in each unit, the quantity and allowance per unit, and uses this to calculate the total demand current for phases L1, L2 and L3, which is 154.4 amps for each phase. The key loads included are lighting, power outlets, cooking ranges, air conditioners and hot water systems.
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This document summarizes the electrical load calculations for 11 circuits in a home. It lists the load type and description for each circuit, the current allowance per unit, and calculates the demand in amps for circuits 1-10. The largest demands are 17.7 amps for an air conditioner and 15 amps for an off-peak hot water system. The total calculated demand current for each phase is 40.7, 39.5, and 46.5 amps respectively.
4.1.3 Example Solution Three
The document calculates the electrical load and demand current for 11 circuits in a home. It groups the loads into categories like lighting, outlets, appliances, and assigns each a description, allowance, and demand calculation. The total demand current per phase is summarized at the bottom, with the highest draw of 46.5 amps on phase L3.
4.1.2 Example Three
The document outlines the functions and ratings of 12 electrical circuits. Circuit 1 provides power for 13 indoor lighting points. Circuit 10 powers an air conditioner rated at 23.6 amps per phase and can draw power from circuits L1, L2, and L3. Circuits 11a and 11b each power a controlled load hot water unit rated at 3.6 kW.
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This document calculates the total demand current for an electrical installation consisting of:
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The document discusses the time constant and final current value for an RL circuit. It states that:
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This document calculates the apparent power, power factor, and phase angle for a circuit. It finds that the apparent power is 2.308 kVA by multiplying the current of 9.615 by the voltage of 240. This apparent power is larger than the actual power of 1.5 kW, indicating a poor power factor of 0.65 or a 49.46 degree phase angle between the current and voltage.
14.1.2 TRA Power
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This document calculates the true power, apparent power, and total current for a circuit. It determines that the true power is 1.5 kW, the apparent power is 1.5009 kVA, and the power factor is 0.99994. It then calculates that with an apparent power of 1.5009 kVA at 240 Volts, the total current would be 6.25 amps.
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https://www.oeconsulting.com.sg/training-presentations]
Unlock the full potential of the MECE (Mutually Exclusive, Collectively Exhaustive) Principle with this comprehensive PowerPoint deck. Designed to enhance your analytical skills and strategic decision-making, this presentation guides you through the fundamental concepts, advanced techniques, and practical applications of the MECE framework, ensuring you can apply it effectively in various business contexts.
The MECE Principle, developed by Barbara Minto, an ex-consultant at McKinsey, is a foundational tool for structured thinking. Minto is also renowned for the Minto Pyramid Principle, which emphasizes the importance of logical structuring in writing and presenting ideas. This presentation includes a clear explanation of the MECE principle and its significance. It offers a detailed exploration of MECE concepts and categories, highlighting how to create mutually exclusive and collectively exhaustive segments. You will learn to combine MECE with other powerful business frameworks like SWOT, Porter's Five Forces, and BCG Matrix. Discover sophisticated methods for applying MECE in complex scenarios and enhancing your problem-solving abilities. The deck also provides a step-by-step guide to performing thorough and structured MECE analyses, ensuring no aspect is overlooked. Insider tips are included to help you avoid common mistakes and optimize your MECE applications.
The presentation features illustrative examples from various industries to show MECE in action, providing practical insights and inspiration. It includes engaging group activities designed for the practice of the MECE principle, fostering collaborative learning and application. Key takeaways and success factors for mastering the MECE principle and applying it in your professional work are also covered.
The MECE Principle presentation is meticulously designed to provide you with all the tools and knowledge you need to master the MECE principle. Whether you're a business analyst, manager, or strategist, this presentation will empower you to deliver insightful and actionable analysis, drive better decision-making, and achieve outstanding results.
LEARNING OBJECTIVES:
1. Understand the MECE Principle
2. Improve Analytical Skills
3. Apply MECE Framework
4. Enhance Decision-Making
5. Optimize Resource Allocation
6. Facilitate Strategic Planning
AI Transformation Playbook: Thinking AI-First for Your Business
I dive into how businesses can stay competitive by integrating AI into their core processes. From identifying the right approach to building collaborative teams and recognizing common pitfalls, this guide has got you covered. AI transformation is a journey, and this playbook is here to help you navigate it successfully.
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Introduction to the Panel on: Pathways and Challenges: AI-Driven Technology in Agri-Food, AI4Food, University of Guelph
“Enhancing Adoption of AI in Agri-food: a Path Forward”, 18 June 2024
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japanese language course in delhi near me
Next is the Nihon Language Academy in East Delhi, renowned for its comprehensive curriculum and interactive teaching methods. They boast a faculty of experienced educators with a blend of both Indian and Japanese nationals. The academy provides extensive support for JLPT exam preparation along with personalized tutoring sessions if needed. Nihon Language Academy also arranges exchange programs with partner institutes in Japan, which provides students an opportunity to experience Japanese culture and language first-hand.
2024.06 CPMN Cambridge - Beyond Now-Next-Later.pdf
Slides presented by Phil Hornby, Founder and Director of "for product people", at Cambridge Product Management Network, on Monday 17th June 2024.
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Tired of chasing down expiring contracts and drowning in paperwork? Mastering contract management can significantly enhance your business efficiency and productivity. This guide unveils expert secrets to streamline your contract management process. Learn how to save time, minimize risk, and achieve effortless contract management.
Unlocking WhatsApp Marketing with HubSpot: Integrating Messaging into Your Ma...
50 million companies worldwide leverage WhatsApp as a key marketing channel. You may have considered adding it to your marketing mix, or probably already driving impressive conversions with WhatsApp.
But wait. What happens when you fully integrate your WhatsApp campaigns with HubSpot?
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We take a look at everything that you need to know in order to deploy effective WhatsApp marketing strategies, and integrate it with your buyer journey in HubSpot. From technical requirements to innovative campaign strategies, to advanced campaign reporting - we discuss all that and more, to leverage WhatsApp for maximum impact. Check out more details about the event here https://events.hubspot.com/events/details/hubspot-new-delhi-presents-unlocking-whatsapp-marketing-with-hubspot-integrating-messaging-into-your-marketing-strategy/
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4.2.3electricalenergy
- 2. Applied Electrical Technology 1 energy used = power x time applied energy is in joules (J) power is in watts (W) time is in seconds (s)
- 3. Applied Electrical Technology 1 = / Power = work (energy) / time
- 4. Applied Electrical Technology 1 kW
- 5. Applied Electrical Technology 1 1 kW = 1 kWh for 1 hour 10 kW = 1 kWh in 6 min 1 Wh = 3600 J
- 6. Applied Electrical Technology 1 Example Rating = 2504 W Time = 2 hours Answer in Joules energy used = 2504 x 2 x 3600 s = 18028800 J Answer in kWh energy used = 2.504 x 2 = 5 kWh