What is the major difference between P.T. & C.V.T ? Why CVT
is used in HT Transmission line in place of P.T.?
Answer Posted / shyam majgaonkar
Potential Transformer is Inductive step down transformer
used for measurement of voltage and protection where as cvt
is capacitive voltage transformer consisting of stack of
series connected capacitor the voltage across the capacitor
is used to measure the voltage.
It also serves the purpose of power line carrier
communication
| Is This Answer Correct ? | 220 Yes | 29 No |
Post New Answer View All Answers
apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.
How to calculate the efficiency of Turbo Generator(Alternator) in general....?
Explain about technical and non technical losses in distribution system?
Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?
what kinds of Transformer oil grade is better for power transformer ?
how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?
we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V
what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.
what is 400kv doble circuit quadpole tower?
we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan
How Can you do Maintenance of ACB of 2000Amperes
(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 ?
what is the maintaining Cf in UPS.
Which types of gate insttaled in static switch. Please give me answer.
how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...