How to test the vector groups of 3 winding transformer & phase displacements

2 Answers  

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how to flameproof electrical motor on the shaft?

0 Answers  

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what is earthed and inearthed cable or system?

1 Answers   CCCL, L&T,

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Is it possible to interlock between ACB & MCCB?

2 Answers   Areva,

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how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

0 Answers  

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We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.

0 Answers  

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why the auxilary(starting)winding is provided in single phase inductoin motor?

5 Answers  

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Is 2000kva stabilizer suitable for 1h.p split air conditional

2 Answers  

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

0 Answers   HCL,

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What is servo motor and what are the applications of servo motor?

0 Answers   BARC,

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What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

0 Answers   HAL,

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A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.

0 Answers  

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