Answer Posted / dinbandhu kumar nayak

AVR increases or decreases exciter current for a more
linear voltage and frequency.

what is the role and fuction of automatic transfer switch in rotary ups

1993

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how synchronous condenser is used in place of synchronous generator with out negotiating IEEE standards? Can i use 3 generators as synchronous generators and 2 generators as a synchronous condensers in an IEEE 14 bus system with out disturbing the standards?

2181

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How to reduce -234126219.6403 MVAr generation and by what?

1684

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What is the basis for framing the rules of block diagram reduction technique?

1583

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What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

1921

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Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

2065

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pls,send the previous year written test questions.

1962

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Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

2256

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is IS says that neutral should be brought to switch box. and this one is a recomended practice

1916

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i want to know that what is the eligibility critaria for ongc exam?

3079

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take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????

2312

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Why squirrel cage motor can only use with low starting loads ?

2107

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How to calculate cable size in HT AND LT

2066

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A low wet bulb temperature indicates

1208

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what types of electrical & mechanical test conducted in switchyard?

2317

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