In separetly excited m/c,we excite the field by a dc source,what not with ac source?

2 Answers  

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How Arc Produced in Circuit Breaker When the contacts of the circuit breaker open.

1 Answers  

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what is difference between electrical and electronics

2 Answers  

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What are the main parts of VCB?

12 Answers  

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_____hamari_____tumhari____ne dil ki_____utari. _____ne ____ dekha ashe ___ doshti ko lage na hamari.Complete pajal

1 Answers   Microfine Industries,

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If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

2 Answers   Aditya Birla, Siemens,

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3-PHASE 15KVA dg IS EQUIVALENT TO 12 KW,hOW?

2 Answers   TATA,

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-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

0 Answers  

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In LT cables 3.5 core cable are available that means 3 core and .5 for neutral Why .5 for neutral and is there any reason for that please suggest thanks and regards pavan kumar

1 Answers   Sodexo,

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Why the Motor takes High Current in Starting time?

5 Answers  

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why do we have another cartridge filled with oil fitted at the bottom silica gel cartridge in power transforers

1 Answers  

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0 Answers  

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