If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?
2 5230What is the better way of passing 400 amp from sending end to receiving end ? By overhead line or underground cable and why ? if underground cable then how much depth require ?
1 4087To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?
3 7018what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?
1921Post New Aditya Birla Electrical Engineering Interview Questions
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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
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