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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.
2 7394what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?
NHPC,
2 9424what is the difference between capacitive voltage transformer & inductive voltage transformer.
3 24589How 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.
HAL,
1 4186Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.
HAL,
1 4190what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.
2396Which type of power plant is more easier to produce electrical power at economical condition?
HAL,
5 10761in three phase with neutral connection, what will happen,if the neutral is in open condition with single phase distribution panel
4 10099Post New Electrical Engineering Questions
Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?
what are the possible reaons & remedies if resistance of NGR getting heat up
What is the difference between the transmission line and distribution line?
How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)
what is cascade speed control device?and how this device control the speed of motors?
how power is generated,and transmitted to our home..pls explain briefly in simple words.
why d.c produces corrosion
what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?
Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss
What is the magnetic field (coil DC ) of Turbo Expander?
Which motor connection is preferable star-delta or delta-star?
my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.
What OPGW is better than Microwave or PLCC???
What is the difference between voltages or potential difference? And what are they?
What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??
