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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 7248A 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 7686Why 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 5054in 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?
2345why HT motors are earthed only at equipment side & for it's single core cable with aluminium wire armoure using?
1 4397why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?
DLF,
4 53007In 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 4362which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
2241what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
2175Post New Electrical Engineering Questions
what is the relationship between current&voltage in practical purpose ?
what is th basic difference between a d latch time line and a d flip flop time line???
Explain the method to keep noises low in a control system?
Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?
How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors
What is the accepted limit to increase the choosen transformer capacity over the load and why ?
A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why
how we can calcultae the short circuit level for bus bar
on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help
if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?
Explain thin film resistors and wire-wound resistors
what is difference between elr and R eartl realy.
where reactive power is used
give me applications of sequence bridges . (used in 3 phase un balanced systems)
What products have you designed which have entered high volume production?
