What voltage is used in Directional earth fault relay? and why?

5 Answers   L&T,

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in my observation NCT is used at Karnataka power transmission. why we are not used in andhra pradesh

1 Answers  

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What is the acceptable resistance range of UPS battery

2 Answers   Cisco,

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what is the safty of poly phase tranformer?

0 Answers   Adani,

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What is the difference between hot and cold loop testing?

0 Answers  

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my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

0 Answers  

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in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

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what is the difference between the electrical and electroncis

15 Answers   TCS,

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Hi,Any one has idea regarding the KPTCL Recuirtments for AE'e & JE's for the year of 2009-10???Kindly help in regards..

2 Answers  

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A wattmeter is marked 15 A/30A, 300V/600V and its scale is marked up to 4500 watt. When the meter is connected for 30A, 1600V, the pointer indicates 2000 watts. The actual power in the circuit in

1 Answers   Jindal,

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why CT out put is 5 what ever the primary current.

2 Answers  

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what is the internal working of star delta starter

0 Answers  

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