How can we check ELCB trip current sensitivity How can we check earth resistance value

2 Answers  

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Difference between stepper motor & induction motor.

1 Answers  

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Is possible to increase the voltage without using transformer? why?

9 Answers  

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wat is the first thing dat is needed, 2 lay a cable in some area??

0 Answers  

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1.what type of oil used in tranformer. 2.oil vesocity. 3.oil gauge. 4.witch time oil filterring & how much temperature maintaned.

9 Answers   NTPC, Reliance,

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Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

0 Answers  

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hoe we can exlain the effect of caoacitor in fans????????

1 Answers  

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IF ANY MATERIAL AVAILABLE IN MARKET FOR MOTOR PROTECTION INSTEAD OF OLR & CONTACTOR ?

1 Answers  

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Why 50hz and 60hz frequencies are used by the world, why they are not taking 55hz?

3 Answers  

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when current lags behind voltage how does it affect the circuit.In other words what is the significance of lagging current?

3 Answers  

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In Railway,why we are used HT Line 25KV ?.why we are not used 11KV,33KV and others for This?

37 Answers   Airtel, BSNL, RRB,

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what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

0 Answers  

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