Answer / saleem

IS : 3043 - 1987

how is the many rpm of acb charging motor ?

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can mini-curcuit supply MIL-tested transformer !

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. What should be the minimum and maximum ohmic value for earthing?

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what is the Mechanism of energy saver FAN how average power,reactive power, power factor e.t.c realated to it and how it apply to this FAN .and how this fan save energy w.r.t circuit analysis,plz repaly to this question this is the assignment to given to me.thanks

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how to calculate 'In'in a system?

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I am getting diesel genset 62 kv for my house In addition there are 6 meters of 11kv for the house Lift also being installed for house plot sise 200sq yds total 4 + 2 foloors I want to know how much earthing required how deep it should be

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what are the stresses in circuit breakers ?

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How many points does a Circuit can have?

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One of our gas turbine generator unit "1st stage rotor ground fault" alarm was occured several times. we tried to measure some voltage vulue ground fault protection relay (UNS3020a made by ABB and we measured the value of: Ground: 0.9VDC 5V: 5.8VDC 24V: 23VDC u+: 300 – 350mVAC Rf1: 17.5mVAC Rf2: 17.6mVAC The unit still running and the alarm was reset. As of 6pm yesterday and unitl now no alarm happened again. I our protection relay was defective?

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In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

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Define super node?

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Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

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