Answer Posted / mohammad ayyub

current transformer & potential transformer

hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

1973

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WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

2275

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In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..

1933

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If we want to change a contactor of faulty one what are the conditions want to fullfil

1976

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How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

1712

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give me applications of sequence bridges . (used in 3 phase un balanced systems)

1958

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How phase to phase voltage comes 440V.

2075

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Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

1972

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Why is the frequency not changed during transformation of electrical energy in a transformer?

1383

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why ss stablity limit is more transient stablity limit?

2174

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1928

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what is load despatching

2191

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In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.

2006

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is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

1768

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What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

6280

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