HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

0 Answers   Areva,

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why star point of HT motor not earthed?

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In a 3Ph induction motor(old) 6 wires came out from terminal & not mentioned u1,v1,w1,u2,v2 & w2. how can find out the terminals? how can connect to star delta starter??

1 Answers  

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kVA rating of open delta connected transformer is _____% kVA rating of delta/delta connection A 50 B 70.7 C 57.7 D 75.7

2 Answers  

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Installation method of self treated earth electrode.

0 Answers  

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sir plz send some previous year questions of jspl.

0 Answers  

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WHAT IS THE USE OF ANTIPUMPING CONTACTOR IN HT BREAKERS

8 Answers  

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What is plugging as applied to an induction motor?

3 Answers  

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what s a servo motor? how to control the servo motor? and its application, purpose of using?

2 Answers   Arabian Pipes,

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what is buscoupler adopter panel????

5 Answers  

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Wat is da difference b/w neutral earthing and unearthed system?

2 Answers  

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why voltages are multiple of 11 or 1.1???describe with derivation plzzz.thanks

2 Answers  

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