Answer / koti

VCB upto 33 KV only. SF6 for EHVs.

Answer / rajiv pandey

both are circuit breaker.VCB in use only 11kvbut SF6 use in
above 11kv .SF6 is costly project then VCB.

Why does capacitor block dc supply?

5 Answers   Bhel,

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Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify

2 Answers  

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can we use generator(a.c) as a motor.if so how if not why.

2 Answers  

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How check proper electrical earthing of machine.

5 Answers   DRJ ARDE,

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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how to calculate the no load current in transformer?

0 Answers  

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why an ac solenoid valve attract the plunger eventhough we interchanges the terminal?will the ploes changes?

1 Answers  

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some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

0 Answers  

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explain wiring system

0 Answers  

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Hi How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil.

5 Answers  

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How to calculate the current carrying capacity of sized cables, and there is any formula. please send to 'than.achu@yahoo.com'

1 Answers   Blue Star,

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what is megar healthy value for ht &lt cables

2 Answers  

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