Answer Posted / ismail

3 ph

What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

2258

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How to calculate Ith (I thermal) for curent transformer

2063

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How can I calculate ISF of current transformer?

3610

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the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

2244

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please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

1954

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how to decide choke rating for drive?

2295

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what are the stresses in circuit breakers ?

2001

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how we can calculate chiller required ampear?

2029

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How we select the vector group of 3phase power transformer?

2703

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can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you

1985

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How much minimum insulation required between 11kv/3.3kv transformer windings?

2412

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Vibromotor 252MV 1/4HP2P..what is mean by 252MV?

1942

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what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

2349

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HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

2043

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How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

2408

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