Answer Posted / dinakaran

for safty purpose only. if one is failure another in line

Define what is the function of anti-pumping in circuit breaker?

1387

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Alternator rotor earth fault relay circuit

2105

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Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?

3857

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why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

3170

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Why is voltage is required to be within permissible range for an electrical equipment?

1769

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HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

2000

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what is the ground fault relay,which purpose it will be use,clearly tell me plz

2116

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STATE WORKING OF VACCUM CIRCUIT BRAKER?

1976

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why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding

1896

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ht side line to earth voltage

1642

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Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

1724

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I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok

1715

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what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

11771

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What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

2043

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is there any phase difference occurs while primary and secondary side mutual induction occurs?

2054

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