How can i check a relay good or not?

2 Answers  

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why transformer not used to starter

1 Answers  

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WHY ARE THE LT GENERATORS SOLIDLY EARTHED WHILE THE HT GENERATORS ARE EARTHE THROUGH NGR OR NGT??

3 Answers  

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What is a Servo Stabliser.

2 Answers  

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Explain the grounding concept adapted in aircrafts?

2 Answers  

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Min and  max capacities of VCB,ACB,ACCB,OCB,MCCB and MCB

3 Answers   apspdcl,

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in case of OC+EF relay, how the burden is divided/calculated/shared by the CTs in case of normal (healthy condition) and during fault conditions.? three coils of OC & ef coil is conected in residual connection across the three CTS.

1 Answers  

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selection of conductor in different voltage?

1 Answers   TATA,

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What is load shedding?

1 Answers  

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What should be the DC voltage for Hi-pot test on 11kv switchgear

3 Answers  

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line tester lamp working in which voltage?

3 Answers  

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Control cables in S's will carry 1000v which is AC R DC? Pls answer me 

0 Answers  

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