Answer / electricator

below 25 ohmss is acceptable, anything higher-it is
required to drive a supplemental earthing electrode.

can i know how to design overcurrent setting and earth fault for 11kv & o.433kv system assuming tx 1000kva.

2 Answers  

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What is Synchronization of generator,where and how it is achieved.

1 Answers   HEC,

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how give earthing conection to household equipment?

0 Answers  

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What should be the setting of an earth fault relay.

2 Answers   HP,

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How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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Which motor connection is preferable star-delta or delta-star?

0 Answers   IOCL,

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WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

0 Answers  

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howmuch current can carry the 2.5Sqmm copper cable?

42 Answers  

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How electrical power is generated by an A.C Generator ?

1 Answers   Hindalco,

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kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

0 Answers  

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

0 Answers   Engineers India Limited,

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Please define ohm’s law for a.c (alternating current)?

0 Answers  

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