Answer Posted / aman rana

switchgear is a combination of ct,pt,circuit breaker & relays. it is used to break the load under normal & abnormal condition. in the switchgear ct will sense the fault current & relay calculate the type of fault & give comand to circuit breaker for trip the circuit .

A well system is when , no. of bus bar is less or more. Tell me the concept of it.

1935

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do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....

2087

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WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

3477

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How to do maintenance of transformer feeder.

1872

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Which device of PlC does share load between DG sets when DG are running in perallel?

2079

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For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

2144

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Igfet is a

1644

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what is the advantages og idmt relay over magnetic relay??

4248

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What is the difference between diode and a transistor in terms of the direction of current flow?

2218

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difference between power surge and switching transient

2098

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Form S and "c" license application both are same? @ tneb portal

1846

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how to select fuse rating for a 3-phase motor ???

1802

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What are the factor to be consider for CT selection in 132kV substation?

2077

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How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?

2302

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If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

1182

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