Answer / k.prakashchandra

It will act when the resultant unbalanced current of phase
CTs is different from the current in NCT

why secondary of transformer always grouded?

1 Answers   IIUC, Sodexo,

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Hi to u all : Friends: Why when operate on 2 phase welding machine the power metr goes reverse ?? the meter is god on other loads. thanks

2 Answers   Gedco,

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why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?

0 Answers  

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What is the difference between diesel generator engine with and without turbo charger with the same capacity?

0 Answers  

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What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer

0 Answers   Siemens,

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how to differentiate a mpcb,mcb with a contactor? Explain their working operation

0 Answers   L&T,

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Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

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What is the importance of quality factor in resonance?

3 Answers  

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What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

2 Answers  

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What shall be the minimum distance to be maintained between two power cable in a common trench?

3 Answers  

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What is four quadrant metering system.

5 Answers  

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A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

0 Answers   TCS,

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