show the physical connection and phasor diagrams of 1: DZO 2: Yd1 3: DZ6 4: Yd11 5: YZ11

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which is better to use svc or synchronous condenser why ?

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what is difference between isolation and ultra isolation transformer?, what is the method of testing ?

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why field winding in synchronous machine connecting in star position?

1 Answers   HCL,

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can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?

2 Answers   Maersk,

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What are the different sign conventions used in electric circuits?

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what is the reason for earthing static equipments? why?

3 Answers  

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why capacitor rating measure in KVAR. ?

2 Answers  

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dear all, How do i increase UPS (1000VA)backup time ? i have connected 2 12v wold you please 120 aH battery externally. ups charge the lead acid battery only 12.7 volt. backup time only 10.00 minuts and gose off. can any one of you help me?

1 Answers   Technomax, ups,

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what is T P N bus bar

1 Answers  

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A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 Answers  

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i've iocl interview.. if you know the interview process please give me information..

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