what is the difference between directional & non directional earth fault with example please explain.

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what is the difference between torque induced and torque load?compare them with respect to dc motor?

0 Answers  

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Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

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how point on wave controller works.

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from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?

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what is self capacitance of inductor

0 Answers   Bhel,

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What is meant by sag?

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What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2

0 Answers  

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The potential difference between a phase and neutral is 230v , but the potential difference between two phases is 400v. why?

4 Answers   HCL,

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how to calculate restraing current and operating current for differential protection if 20 mva transformer is OLTC 33 kv/11 kv ? and what should be the type and ratio of CT?

2 Answers   L&T, OPS,

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Can 2 nos. of 1 ton split ac be used through a 20 am supply meter?

3 Answers  

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what is the difference between Inverter and ups

1 Answers   L&T, MTS,

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