Answer / rabi

Ac-1 contactor is used for "Non-inductive or slightly
inductive loads, resistance furnaces".

Ac-3-contactor is used "Squirrel-cage motors: starting,
switching off motors during run-ning."

what happen if i connect DYn11 and DYn1 vector group transformer in parrallel?other things are same like votage ration,x/r ratiob etc...

4 Answers  

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HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

0 Answers   TMB,

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KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

4 Answers   Suzlon,

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how many winding in the single phase transformer?

3 Answers  

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what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

0 Answers  

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How to calculate HT XLPE CABLE for 11 kv / 433 v , 1500 kva oil type transformer system? plz provide step by step calculation

15 Answers   Engineers India, Indian Railways, Polycab, Shashwat, Sitara Energy, Sonali Bank,

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what is ground fault in ACB?

0 Answers  

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how many maximum nos of add on contact we shd provide on 4 no contactor

1 Answers   Accenture,

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what is the terminal voltage of dc series generator running at rated speed at no load?

2 Answers  

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In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.

0 Answers   PCE,

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A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

0 Answers  

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Salient pole alternator is more stable, why?

0 Answers  

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