What are the basic & Majour problems in UPS ?

0 Answers   Roto Power, RotoPower,

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please can i know about total harmonic distortion and how i can calculate it and if anyone can help me to find any program to help me to calculate THD?? please need it

1 Answers  

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what is the diff. b/w balanced and unbalanced load..?

12 Answers  

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Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN UNDERVOLTAGE COIL, CLOSING COIL AND SHUNT TRIP COIL OF AN ACB?

2 Answers   Alstom,

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what is surge voltage and surge current?

2 Answers   MES,

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what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

0 Answers  

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what is the best method of grounding in 30 MW generator?

0 Answers  

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how to understand the controling circuits example star- delta-starter controling daigram please let me know

3 Answers   GMR,

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what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

0 Answers  

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what is differnce between grounding and earthing or both are same?

3 Answers  

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I want to know all basics of electrical engineering

0 Answers   RRB,

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