Answer Posted / gopi

yes, we can use buchhloz relay to protect the transformers.

Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1731

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What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?

1317

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The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

2039

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How does PLC work for sychronising of Two or more DG sets?

2130

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what is mean by descripiency relay? & wht is its ansi code?

3210

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I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

2327

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how to calculate slip ring induction motor stator and rotor currents??

2321

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What does ampere turns shows?

1188

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with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

1887

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explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

2762

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What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

2013

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Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

2711

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What are the relays in ACB and VCB

2315

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how to calculate the loss tangent of electrical cables

2134

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In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

2015

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