Answer Posted / hardik patel

There is no difference between metering PT and protection PT. for both purposes same PT can be used.

How to calculate energy stored in a capacitance

1168

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What are the special cables required for explosion proof wiring?

3576

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how we calculate the short circuit capacity of the busbar in LV & HT?

1104

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if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

2314

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How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?

2243

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How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

2329

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What do you understand by oldham's coupling ?

1065

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Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

1816

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What is power relay?

1241

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how to increase senstivity of ct

2428

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Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

1911

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Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

2586

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Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

1844

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Differentiate between voltage and current feedback in amplifiers?

1115

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what is the difference between STAR and DELTA connection and application wise how it can be utilizedd

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