Answer Posted / rajesh

transformer dosent consume power.it just step up/down the
voltage.thats why transformer mentioned in kva

what is upper impedance and lower impedance of a distance relay

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

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How many double suspension hardware fittings are required on a double circuit transmission tower?

2159

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On what principle electric motor works?

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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.

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What is the use of Surge Capacitor in LAVT?

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What is making & breaking current ???

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how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size

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What is the meaning of Insulation H for transformers????

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How can calculate the rating of a alternator for a given specific load with formula

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is oil viscosity affect on motor current?

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3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

1929

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what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

2059

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What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

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what is the max. acceptable leakage current in 33kv bus bar

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