In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

0 Answers   Saint Gobain,

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If carbon brushes spring tension either loose or tight, what happen on Motor performance During Full load Operation?

5 Answers   Electrex, HP, TATA,

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Which supply is using for train AC or DC & what is the voltage????????

16 Answers  

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The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Supplies the voltage at negative vlotage

4 Answers   GNFC,

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what is voltage present between to phases in a three phase motor?

1 Answers  

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(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be section through bus coupler means upto 3MVA.(2) 22KV Net work system as ring, How maney I/C required or 0ne I/C and one O/G.(3) What should be rating of VCB for 22 KV line.(4)Electrical/mechanical inter lock, why we need.

0 Answers  

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what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 Answers  

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What is the diff. between two phase & three phase supply.

7 Answers   Crompton Greaves,

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would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?

0 Answers  

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In zero voltage we can pass supply to our body means we cant get shock its true ? how we can do it ?

4 Answers  

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how to reduce disel generator voltage from 410-60 hz to 380v-60hz

1 Answers  

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what is per unit calculation?looking for simple and strong explanation thk u

0 Answers  

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