Answer / sasen

Soft start is a term describing any electrical circuit
which reduces excess current during initial power-up of an
electric motor.

Answer / k.prakashchandra

It is an electronic stater using thyristors for limiting
voltage by varying the firing angle

transformers? power factor? machiences?

3 Answers  

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I AM DOIN MY 3RD YEAR IN ELECTRICAL ELECTRONICS. PLEASE SUGGEST WHAT DO I DO NEXT AFTER MY B.E? AND I WANT TO GET INTO ANY PSU IS DER ANY EXAMS PLASE SUGGEST EVEN THAT.

3 Answers  

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases voltage A does not alter B decreases C increases D none of above

1 Answers  

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Why PT burnts?

2 Answers  

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what is the formula of starting current of 3phase and 1 phase motor???

0 Answers  

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what is the suitable voltage of transmission line to transmit 10000w power through 250 km. (a)11kv (b)33kv (c)66kv (d)132kv ]and please tell me whats the logic behind it

7 Answers   ONGC,

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how was the induction stove working?

3 Answers  

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are you hear the meaning of burden , excat meaning of burden in only one word

4 Answers  

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why earth hole size is biggest in plug point?

22 Answers   Al Qabas, HCL, RRB,

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Hi, I'm running plastic reprocessing company where all motors are running only in delta. Due to that when I use start my 30 hp motor my transformer gets fuse. Where it happens two times a day. I gt a suggestion from a person about Automatic Power Factor Controller APFC. Is it useful for my problem??? Or is der any other way for solving this problem?? Upgrading the transformer is difficult. Pls give Me ur suggestion. Waiting for ur reply.

2 Answers   Shree Lingaa Polymer,

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What's an AVR? What's its purpose in Generators?

4 Answers  

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DOES AN EARTH FAULT CURRENT ON THE DELTA SIDE OF A 6.6/33KV STEP UP STAR-DELTA CONNECTED TRANSFORMER REFLECT ON THE STAR SIDE? IF YES, THEN HOW AND WHAT IS THE AMOUNT OF CURRENT REFLECTED?

1 Answers  

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