A 11 KV motor is working. if the supplay is fail. what will happened with it's breaker? Trip / remain the same condition?
4 5519A 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 6030Why 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 3915in 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?
1827why HT motors are earthed only at equipment side & for it's single core cable with aluminium wire armoure using?
1 3525why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?
DLF,
4 50444In 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 3578which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
1712what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
1652Post New Electrical Engineering Questions
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
what is the difference betweem star connected motor & delta connected motor?
what is the practical application of full adder circuit?
we have 15 ampere variyac but we want 30 ampere variyac what we do
What are the basic components of the feedback control system?
how to determine ct ratio in ht vcb?
i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.
What is Phase margin?
How Diesel Generator start ?
How to know th details about an electrical Drawing ? Please mention the easy method.
I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?
In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?
What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?
Write the programming software name for LG, SIEMENS,Messung,AB
what are the possible reaons & remedies if resistance of NGR getting heat up
