how to calculate the megger values for motors and cables?

2 Answers   Adhunik,

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Whot is the braking capacity for MCCB. How we select different braking capacity.

1 Answers  

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I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

0 Answers  

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Why do we use series motor to start our car?

2 Answers  

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We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.

3 Answers  

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I want to know what is the short circuit level when 8 NOS 2000 kVA, 415v, 50hZ generator connected in paraller

1 Answers  

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PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.

0 Answers  

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Difference between induction motor and synchronous motor? i Think Synchronous motors operate at synchronous speed (RPM=120f/p) while induction motors operate at less than synchronous speed (RPM=120f/p – slip). Slip is nearly zero at zero load torque and increases as load torque increases am a right pls guide & send Other Comments

5 Answers   Jindal,

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What are the diferences between ELCB and RCCB

5 Answers   L&T,

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A motor works on 30kw.it is working on 440volts.How much amper will be Required?

7 Answers  

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What is LOP Sensor in DG??????

7 Answers   Emerson,

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What is mean by PID controller? And what is its Long form?

9 Answers   Jindal,

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