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about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ?
NTPC,
2 6706Which Machine u will prefer to use at a place where flammable gases are coming out & why ?
NTPC,
4 6746i Have 1000kva 11/.4 kv voltemp make t/f Its a 2 year old. i wants to known how much iron losses & copper loses during no load condition.
2 4365Can I use cable armour as a earth conductor? if not how many GI/CU wires I need to run along with cable?
1 4336What is the general power factor & min. power rating of TV,LCD type TV, CRt type TV, Scanner, printer?
2002How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.
1 8354Can neutral line also be use as a earthting for distribution transformer, or we need separate earthing pit forh the transformer?
1 5540Post New Electrical Engineering Questions
why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??
Explain the role of a car driver as one of a feedback mechanism.
FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?
Mention the methods for starting an induction motor?
What is the function of under voltage release ?
why to use freewheeling diode ( diode in revers bias mode) across dc coil
what is the differance between HT motors And LT MOTORS.
What is the difference between indoor and outdoor transformer
in 132kv substation CRT means
how to select the no. of brushes in a lap winding?
1. what is usage for power factor in industries?? 2.why we need to monitor power factor??
what is earthing transformer? draw the winding dia.of earthing transformer.
All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?
can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
solar energy light efficiency & disadvantages?
