Answer / saurabh

for a delta connected motor megger between all the phases
and see that it is showing zero resistance that means
winding is healthy.For star connected motor check phases to
phse between r-y and r-b and it should show shorting

which type of material is used to transformer laminated core?

6 Answers  

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60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

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which IS or IEC is used for earthing,breakdown voltage of transformer oil, hv/pd testing and all type of electrical testing

0 Answers  

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what is the difference between ac drives and dc drives?

1 Answers  

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what is impedance of transformer?

7 Answers   Synergy, Vijai Electricals,

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When generator connected, the circuit ELCB exploded. What is the reson?

3 Answers  

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Why we connect the capacitor in Delta?if we conect in Star what will happen?

9 Answers  

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why electric shock due to dc is dangerous than that of ac

8 Answers  

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i alternator which of genarator used for excitor the what is reason?

3 Answers  

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what is phase shifting transformer.

2 Answers  

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Define step response?

0 Answers  

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Is LV shorted in magnettic balance test?If yes why?

2 Answers   Hindalco,

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