what different in delta & star connection in motor?explain

5 Answers   Bhushan Power Steel, Hyundai, KPCL, L&T,

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What is the working of SCM CT or purpose in genrator ?

3 Answers   Bhel,

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What is GIS Substation and how it operate? where these type of substation installed?

8 Answers   Power Grid,

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What is the harm if we install primary side 11 KV VCB at a distance of one Km from the 11/3.3KV 12.5 MVA transformer through 11 KV cable.

4 Answers  

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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers  

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In the diesel generator wihch type of power we can get it ? Like AC / DC

2 Answers   Aditya Birla, Indian Steel, PTPS,

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Why temperature rise is conducted in bus bars and isolators?

0 Answers  

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Is there any option to replace two Genset of capacity 125KVA with one higher capacity for same office?

8 Answers  

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What is the formula to calculate distribution transformer De-rating on iron losses basis

0 Answers   IESCO,

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What are the functions of different probes used in cro?

0 Answers  

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What is the formula to calculate the rating of a three phase air circuit breaker

0 Answers  

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Explain how Hormonics will effect the Electrical System?

5 Answers  

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