how is motorized megger operate?

2 Answers  

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if we have 380 KVA DG. how to calculate Power Factor. With detailed formula

1 Answers  

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why are we adopting 132kv,220kv for transmission rather than using 440kv at all transmission lines as it gives lower losses?

2 Answers   APGenco,

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what are the differenc between vcb and sf6 breakers

7 Answers   Google,

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how to check a transformer insulation?

3 Answers   Kirloskar, Kirloskar Chillers,

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

0 Answers  

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what is the voltage of insulation megger that should be used for measuring the resitance of 66kv equipments.

3 Answers   DEWA,

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Is it possible to get earth resistance value"zero" Ohm practically??? If yes,which type of earthing???

9 Answers   TATA,

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Please tell me ceilingfan sweep means. Commenly we used sweep1200mm and 600mm MMENLY WE USED CEILINGFAN SWEEP1200MM AND SWEEP600MM

1 Answers  

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What is vacuum circuit breaker.define with cause and where be use it device?

0 Answers  

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what is difference between elr and R eartl realy.

0 Answers  

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In legging current reactive power is arise but in leading current which power will be arise ? and in this case, is active power more than rated ?

3 Answers  

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