What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

0 Answers  

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difference between local breaker backup relay or backup protection relay ?

1 Answers  

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why is neccessary Tap changing of power transformer with in a certain time

1 Answers  

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why we provided electrical earthing?

5 Answers   CPCL,

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Why at the starting of induction motor current is high?

5 Answers  

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What is the formula to find out two phase active & reactive power

0 Answers   Areva,

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what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

0 Answers  

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difference b/w series&parallel

4 Answers   ABB,

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which is the best institute for PLC,SCADA,DCS in hyderabad

0 Answers  

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what's the different between ELCB, ELR and ELS?

1 Answers   CP,

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1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

0 Answers  

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What is the maximum allowed kwa through 2.5mm cable. Electric company installed 2 electric meter at my premises . Two jumper wires of 2.5 mm are used to connect . 2 single phase meters with allowable load 6 and 3 kwa. These jumper wires are taken from a 3 phase electric meter. Meters are in open Sun. What max load these wires can take.

0 Answers   KESC,

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