What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

0 Answers   Equate,

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If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines

0 Answers  

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why the impedence of the transformer is expressed in percentage?

3 Answers   DEWA,

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what is the working and construction of generator

1 Answers  

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is starting current of induction is high or stating current of ransformor is hign ,for the same rating

12 Answers   BARC,

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i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

0 Answers  

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how to select cable size?

7 Answers  

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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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Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

0 Answers  

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In short transmission line,why does the receiving end voltage is less than sending end voltage?

4 Answers  

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hopkinson's test

5 Answers   Bhel, NTPC,

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Give some differences between open loop and closed loop control systems.

0 Answers   GE,

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