Main Differance between Primary Distribution & Secondary
Distribution Of Electricity....?
primary distribution - Electric power is distributed among
bulk power consumers at 33KV or 11KV.
Secondary distribution - Electric power is disributed among
small poer consumers at 400/230V.
| Is This Answer Correct ? | 59 Yes | 5 No |
If a 1.5V,3W torch light bulb is connected in series with a 15HP/11.19KW,230V single phase motor and the combination is connected against a 230V supply and switched on than what will happen keeping all other parameters as it should be A)the bulb will glow normally B)the bulb will not glow C)the bulb will glow with extra brightness D)the bulb will burn out and if a fuse is connected to the above circuit will something happen to the fuse and what about the single phase motor will it be affected? Please explain with derivation
Slow acting fuses are most often used for which application a) Lighting circuit b) heating circuit c) Motor D) Radar circuit
i have a wire.and the current flowing in that.when we cut the wire then why dont we seen the elactrons....
funtion of choke
what is circuit breaker in transfomer and where it used
Can we use same copper cable for both AC & DC power.
how many types of grounding?
wich type of cable is selected for wiring of 20hp motor?
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?
why are use star delta startor.
Upto what extent, the lagging power factor can be improved with the help of capacitors?
why do the alternator doesnt have open circuited windings in armature???
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