what is vtg limit of earth and neutral at transformer side?

0 Answers   IOCL,

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the winding of Generator and Motor is star or in delta ? and why

0 Answers  

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what are protective device needed to power a 360W ,50hz,240v,single phase,0.65 pf universal motor

1 Answers   L&T,

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STATE AND EXPLAIN SUPER POSITION THEOREM.

3 Answers   ABB,

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How to set a Zone 1 distance relay for distribution feeder?

0 Answers   Schweitzer Engineering,

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why do we use 25kv supply for traction purpose

1 Answers  

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considering the 3phase and single phase ac system the load applied and the volage given is same...will the current differs for both the cases are it wil remain same?

5 Answers  

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CBCT selection

0 Answers  

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In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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What is the universal motor?

0 Answers  

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What is the formula that shows relationship between voltage and speed in an induction motor

2 Answers  

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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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