Answer / parashar.anil1

a circulating current will flow through the transformers
and the bus.....but if the vectors are very much differet
then it will behave as short circuit and a heavy blast may
occur.....

Answer / santosh k b

we are use Sycroscop method in TPCP Realy

Why we use Y-Y connection in power transformer (8-10 MVA, 132 kV to 11 KV)and D-y in distribution transformer (2 MVA, 11 KV to 440 Volts)?

4 Answers  

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can we start mulitple 3 phase induction motors with common starter?

1 Answers  

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What is the use of doing meggering for a cable

2 Answers  

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What is the concept of voltage & current its relation?

5 Answers  

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how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?

0 Answers   TK Group,

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how can we change the rotating direction of single phase AC induction motors?

12 Answers   Heubach Colour, L&T, MNM Jain Engineering College,

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What is rotating transformer? Which machine is used specifically as rotating transformer?

3 Answers   TATA,

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How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.

0 Answers  

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What should be the overcurrent, instantaneous overcurrent, short cicuit current settings (i.e. how many times of motor full load and what is the time duration) for a motor?

1 Answers  

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why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

0 Answers  

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6. A DC AMMETER HAS R=0.1 OHM & CURRENT RANGE IS 0-100 A IF THE RANGE IS TO BE EXTENDED TO 0-500 A THEN METER REQUIRES SHUNT RESISTANCE OF ..........

2 Answers   SSC,

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When we give supply to a transformer 11 kv and we get 415v from it, so when we give supply to same transformer 415v on ht side what we get? and When we gives supply to any transformer to L.T. side 415v or 220v What supply is on H.T. side?

2 Answers   Ashoka Electricals,

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