Answer Posted / rajesh

the purpose of breaker contact multiplication relay is to
get NO & NC contacts, which can be used for breaker on and
off indication in remote places.

How To increase Knowledge Of boliler regarding To Only Electrical Field..

1585

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WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2038

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plz tell me,ht and lt panel terminals in substations explain beiefly

2894

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Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2281

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What is meant by system?

1030

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how we calculate electrical load on a building according to area?

2753

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Define corner frequency?

1172

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What is the difference between alternator and generator?

1269

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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1924

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At what speed 1 HP motor can run an electric car of weighing 400 kg?

1544

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how to find Harmonics and types as per the equipemnts

1247

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what is a vector protection in transformer

1983

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Details about Flux Compensated magnetic Amplifer starter for motors

1984

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What is the formula to find out two phase active & reactive power

2150

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Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

1874

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