Answer Posted / dhruv

bus coup. is used to couple two bus basically it is used to
give a continous power to consumer in case there is fault in
one of the bus

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1866

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what is a bus riser in power system and why it is used

46216

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If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

1883

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Ac generato how produce power I need for camplet defination

1766

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what is meant by 3rd hormonics ?

1866

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What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

1373

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what is meant by directional earth fault and non directional earth fault? describe both.

1901

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how does a submersible pump work..?

1884

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What is meant by sag?

1197

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what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

2069

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i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

2086

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How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

4052

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what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

2007

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

3811

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explain different types of d.c motors?

1154

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