when voltage increases then current also increases then what is the need of over voltage relay and over current relay? can we measure over voltage and over current by measuring current only?

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Is motorized MCCB required rotatory handle

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What are the causes ,revers rotation of a kwh meter?

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working principles of cf lamp,incandescentlamp and f lamp?

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HOW DEFINE THE IP FOR ELECTRICAL EQUIPMENT AND WHAT IS THE IP OF PANELS USING IN HAZARDOUS AREA ?

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I've heard that most of the substations are rated in multiples of 1.11 because of form factor.What is form factor?

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What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

0 Answers   HAL,

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How to Make relay co ordination chart for a Electrical power distribution of a plant

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how c-curve of mcb's actually looks alike?

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5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch

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Please brief working principle & construction of permanent magnet AC Servo motor

0 Answers   DRJ ARDE,

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What is the difference between power,voltage,current? and with example

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