The error in a single phase energy meter where pressure
coil lags behind applied voltage by 88 degrees and pf is 1)
upf 2).5lag
Answer Posted / sandeep
Both case i got the same answer -.061%. But this option is
not present at all ...please help
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
What is servo lock in CNC how they work and if any parameter for them in CNC machine
What is class ab operation?
WHAT IS VCB SAFETY
(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?
Could you measure voltage in series?
Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?
The magnitude of sum of two sinusoidal av voltage is equal to 230 volt.the magnitude of each individual voltage is also equal to 230 volt.what must be the phase difference between voltages?
Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.
what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.
SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
i need about 10 years of GATE solved papers in pdf format and even mock tests toooo
For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is
Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.
What is the difference between single core 2 wire and single core 3 wire system? Which application we are using this? and for What purpose we are using this?