We use MCCB not MCB for motor starters because MCCBs has capablity to drawout the motor starting current which is 5-6 times the full load current of motor for 1sec. Then why we use SDF in starter panel means MCC panels. Pls reply if any one knows this answer.

1 Answers  

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What does negative slip of an induction motor signify?

10 Answers   Tata Elxsi,

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If one lamp connects between two phases it will glow or not?

0 Answers  

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What is the meaning of In,Io & Ir in Circuit breaker? How to calculate?

1 Answers  

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I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN

0 Answers  

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What is application of MCB & How it works

1 Answers   TATA,

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working

1 Answers  

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Is there any difference of regulation of transformer, alternator , transmission line, if yes, what is it?

1 Answers  

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Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

0 Answers  

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what is the value of the earth resistance in mositure place

3 Answers   HCL,

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What is LSIG ?

6 Answers   Apollo Power,

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On the secondary side of a distribution transformer, we use 1c x 630 sq mm cable. Why dont we use 4 core cables instead of 1 core cables on the secondary. Why we use aluminium cable glands on the outgoing instead of brass cable glands?

2 Answers   Siemens,

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