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how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.
1 3370what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?
2090What will be the capacity of the generator set which can be used for my 2 ton window air conditioner ?
1 3468As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?
1866To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's
1 3653The armature of shunt dc motor has 0.8ohm resistance and motor is to run on 120V circuit.If motor is suddenly thrown on circuit while armature at standstill then current drawn by motor will be??Also back emf in normal running is 110V
2 6826If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?
5244Am i eligible to get electrical supervisor licence? As i did diploma as well as degree in Electrical Engg. in June 2011. Now i am working in 15 MW Power plant from 2 mnths. i belongs to Maharashtra.
1 5030Post New Electrical Engineering Questions
Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?
Is electro plating what type of load whether resistive, inductive or capacitive loads
HOW TO WORK A VFD?SAY SIMPLE METHOD
What is mean by Sensitive Earth fault & what are the effects
I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400
draw singleline diagram of star to delta and dol starters
Why are cables rated for 40 KA for 0.25 Sec fault current rating?
What are your future plans for the company if permanently employed?
Why 3 phase induction motor getting supply in body if one of it's phase is cut
If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines
why we can stote dc? why we cant store ac?
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 are the advantages and disadvantages of short-pitched winding?
What are the advantages of skewing of cage rotor conductors?
Define filter?
