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A 11 KV motor is working. if the supplay is fail. what will happened with it's breaker? Trip / remain the same condition?
4 7073A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a, will Trip. b,Drack Out lever will not access c, will get shock d, noting will happened
4 7502Why the motor take high starting current for long time(10- 15 sec) which is connected to Blower as compaire with a motor which is connected with pump with same rating?
2 4940in the case of 6.6kv motor starter combination contain fuses on it VCB. but in 11KV motor starter combination Fuses are not using in it's VCB why?
2283why HT motors are earthed only at equipment side & for it's single core cable with aluminium wire armoure using?
1 4299why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?
DLF,
4 52760In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?
1 4270which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
2186what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
2108Post New Electrical Engineering Questions
what is the practical application of full adder circuit?
george phenomenon of synchronous machine
why single CT used in DOL starter power circuit?
what is lumped and distributed elements?
how electrical earthing maintenance done in industry?
If UG power cable both ends are to be earthed or what? If not why?
new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection
DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.
difine electrical ballast in HPSVL
we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor
What is the effect of positive feedback on the stability of the systems?
how unidirectional torque is produced in DC motor?
What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer
What is the difference between Static and servo controlled voltage stablizer?
3ph motor running with unequal kw and different pf what are the reasons
