Answer / g.reddy abib

Electric parts

please tell me formula of 3 phase induction motor under condition{1]when we 3 phase motor starts without load in star or delta connection?thanks

1 Answers  

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I need to calculate the Battery bank back up for below configuration:- UPS - 120 KVA Battery Bank - 200Ah Volt of each cell - 12 V Total No of cell - 34 No's Can you please help me to get the battery back up time for above configuration...? along with formula

1 Answers   Wipro,

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what is the significance of per unit impedance ?

7 Answers   HP,

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Different between megger and contact resistance meter

3 Answers  

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To 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 Answers   Aditya Birla,

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what is method for testing CT

0 Answers   DCM,

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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

0 Answers  

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Under wat condition statcom operates as an inductor for the transmission line?

0 Answers  

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why wound rotor is star-connected?

4 Answers  

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Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

0 Answers  

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Why electricity in India is in the multiples of 11 like 11kv, 22kv, 33kv

2 Answers   KPIT,

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Actually why the transformers are rated in KVA.?

4 Answers   BSL, Engineering,

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