Answer / pillay

A LOAD BANK IS USED AS A SUBSTITUTE as load to test the performance/ ability of a generator set.

why high speed tripping relay will be used in tripping circuit why not normal relay

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is 3-phase induction motor need a starter ? why do it so

5 Answers   Coca Cola,

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what will happen if i connect or change line with phase terminal

1 Answers  

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What is auto reclose system in Circuit breakers??

4 Answers  

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a 650 KVA diesel generator is 1500 rpm, voltage is 415V n full load amps is 805 something,when are applied load more than 400 amps it's voltage is dropping, what is the reasons...?

4 Answers  

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

0 Answers   PPIL,

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How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)phase to phase or phase to neutral

7 Answers   ABB,

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What is inrush current? how can calculateit? what is the affect of it?

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if sf6 gas low in gis what will happen

0 Answers  

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how to changeover ups in this power failur time?

0 Answers   Essar,

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what is the differnce between vector and phasor? are both same or there is difference between two term.?

6 Answers  

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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