Power System
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Difference Between Active and Reactive Power
FMain Difference Between Active and Reactive Power The main difference between active and reactive power is that Active Power is actual or real power which is used in the circuit…
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Difference between Circuit Breaker and Isolator / Disconnector
Main Differences between Isolator / Disconnector and Circuit Breaker Isolator and Disconnetor As the name suggests, An Isolator or Disconnector is an isolating or disconnecting switch which disconnects or isolate…
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Analysis of Reactive Power in Power System
Analysis of Reactive Power in Power System Reactive power is an imaginary power, but still, it is needed in the Power System. If reactive power is in excess in Power…
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Why Don’t Birds and Squirrels Get Electrocuted on Power Lines?
Why Don’t Birds Setting on Power Lines Get Electrocuted? We mentioned many times that electricity is our best friend as well as a worst enemy. If you give it a…
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Why Electric Power Transmission is Multiple of 11 i.e 11kV, 22kV, 66kV etc?
Why are all the Transmission Line Voltages Multiple of 11kv? Not 10kV? Obliviously, this is an interview type question for electrical engineers especially related to power engineering. Now, we are…
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What are the Colored Aerial Marker Balls on Power Lines For?
What are Marker Balls and Why They are used for on Power Lines? Almost all of us have seen those colored (mostly orange, yellow, red or white) balls on transmission…
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Failures In Electrical Systems, Equipments & Materials
Failures In Electrical Systems, Causes & Prevention Introduction Electrical systems, equipments and materials are subjected to failures that can cause the total destruction of equipments and severe power outages. For…
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What is Shunt Reactor – Types, Construction & Applications
Why to use Shunt Reactors? Different between Power Transformer & Shunt Reactor What is Shunt Reactor? Shunt reactor is same as power transformer but it has only one winding per…
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Transformers Insulation Materials in Oil-Immersed & Dry Type T/F
Types of Transformers Insulation Materials Insulation in Oil-Immersed Transformers The most common insulation today for high-voltage windings in transformer is an enamel coating on the wire, with kraft paper used…
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Power System Restoration – Outage, Voltage Collapse & Switching Programs
Power System Restoration – Power Outage & Restoring the Power Introduction Modern power grids are extremely complex and widespread. Surges in power overhead lines and other faults can cause massive…
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