Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

0 Answers   WCC,

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How to calculate Earth busbar size & what is the procedure we make for determine that?

1 Answers  

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What is kirchoff ’s current law (kcl)?

0 Answers  

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if i have 5kw,9A,three phase induction motor,if i want to install it 100 meter away from its feeder,how i will culculate cable size for this load.

2 Answers  

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what is reactive power is it good or bad for a system

5 Answers  

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CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

0 Answers  

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what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?

0 Answers   Thermal Systems,

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What is 2P*0.5 sqmm screened copper cable and what is the use of it..?

1 Answers  

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Is it necessary to seperate the DG earth grid with Electricity Board earth grid for protecting the DG set. if yes why?

2 Answers   BARC,

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how withstand of hi-pot test outputs of transformer wire 2.5mm

0 Answers  

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installation of subsatation of33kv

0 Answers  

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Whats the diference between Induction motor and servo motor

3 Answers   Essar, PMT Machines,

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