Why screen of the screened cable not earthed on both the ends of cable

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What is thresh hold value of current?

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why motor rating in kw?

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

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What happens if i apply 500V to 440V rotary Switch ?

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There is 3phase power cable from 1 point to the other point which is 100m away. Two point equipped with power meter and recorded 1st point is 205kW while the 2nd is 202kW and each phase average carry 400amps. To calculate the resistance of the 3phase power cable, is the formula using will be P=I2R?

3 Answers  

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howmuch current can carry the 2.5Sqmm copper cable?

42 Answers  

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What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

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tell me about sf6 breakers

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What is the need of ISOLATION Transformer?

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why rating of alternator in kva & induction motor in kw

9 Answers   Siemens,

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Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 Answers  

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