How to calculate the slip ring induction motor rotor current and voltage.

1 Answers   Bhel,

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I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

0 Answers   Crew pvt ltd,

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How vaccum is formed to create a vaccum interrupter or anything related with vaccum?

6 Answers  

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We know that, in case if there is a faulty insulation,or sc, the current is bypassed to earth through the earth wire that has low resistance.Actually, what will happen to that current that flows through gnd?In that case,if we come in contact with that faulty appliance, wont that current flow through us as we form a closed path by standing in gnd?Is grounding a safety measure?

3 Answers  

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Suppose i Have an Ac motor of 25Hp 1500 Rpm 50 Hz Can i run a motor 2500 Rpm by AC drives by increasing a frequency either it safe or not ....

2 Answers  

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what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

0 Answers  

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What is the working principle of servo motor? And explain it.

0 Answers  

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there is a power transformer 66/11kV in delta-delta connection has 5 feeder coming out from the secondary side. One of the feeder in it normally loaded (loaded than other feeder)and this feeder usually trips with double OCR causing the bank transformer to trip. Now if the load of this feeder is put on other transformer then that no problems occurs on that transformer or the load. However normally all the test(IR, PI, short ckt, open ckt,grounding test and other ) has been conducted for this but evertything transformer..... I am not geting what is the actual problem...

2 Answers  

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what is the difference between ACTIVE POWER and REACTIVE POWER.I WANT CLEAR ANSEWER.

8 Answers  

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what is the UPS

4 Answers  

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What is the minimum distance between MV busbare (P to P & P to E) as per some standards

1 Answers   ABB, Sejong,

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Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both

0 Answers   Jindal,

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