Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

0 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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An 11kv system consisting of an underground cable to a sub station about 300 meters away was shut down for about 10 hrs. On energising, it tripped off on earth fault about 10---20 mins later 6 times but since than it is not tripping.its already 3 weeks now. The SPAJ was found to be fine. what could be the cause.No test had been done to determine the cause of the trippings till now because of demand.

2 Answers  

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What are the material used for inductance coil?

0 Answers  

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. Is there a simple method to measure the horsepower of a small motor (1-3 hp) for a non-technical person

2 Answers  

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why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

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What is Grounding?

2 Answers  

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What is the function of RCCB? What are the different sensitivity ratings & each application?

6 Answers   Wipro,

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from 33kv to 440v 2mva transformer how much full load current will be at ht side and lt side and which range of ctpt will be used?

1 Answers  

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Why the power factor improvement is so important in industrial loads

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What is the difference between electrical earthing and electrical grounding?

0 Answers  

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why we calculate only 11kv 33kv and 132kv ... why not 10kv 20kv 45kv?

3 Answers   Bhel, ISMT,

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