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1.wat is the advantage of induction motor? 2.wat is diffrence between 1-phase and 3-phase induction motor?
2 15958Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially
1964either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?
1844I am getting differential earth fault in my transformer realy , i have checked all its CT & control wiring but do not get fault, Please help
6 7853Getting nusense tripping in a 11KV soft starter, have checked all it control supply & contactors but did not get any fault please help.
3 5429Post New Electrical Engineering Questions
What’s electric traction?
sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company
what is star delta starter? how it works? give its control and power diagram.
condition Autotrip facia come on control panel of electrical transmission line?
In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.
a)In a 3-phase 4-wire circuit, a circuit breaker is selected to protect the circuit whose highest fault level is 6.6 MVA. Determine the required minimum breaking capacity in kA. (Note: Covert 3-phase power in terms of kA to find answer.) b)Using the below, determine the required minimum making capacity in kA as a “peak value”. Rate breaking capacity (Icn) ka: Icn<= 1.5 Factor = 1.41 1.5
Which types of gate insttaled in static switch. Please give me answer.
What is pd controller?
what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.
wish of these transformer uses oil?
What is trip and closing coil in cb? Why need of them
what ispositive, negative, zero sequence impedence?
what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?
100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.
how to select electronic timer(Star-Delta) setting for diff. rating motors
