in 132 kv substation ligtning arrestor(120 kv) connected to line. but line voltage comes to 132 kv, it operate or not???
4 14709voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect
GATE,
2 3240when the control mechanism is present for an ammeter(1-10A) and 1A current is apllied what will be the reading of the meter?
GATE,
2 3603Relay setting for earth fault of reciprocating and centrifugal compressor motor feeder.Setting will be different or same?
1 3310The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag
GATE,
1 3915Post New Electrical Engineering Questions
Iwould like to know barc interview questions
How we select the vector group of 3phase power transformer?
what is meant by moulded case circuit breaker ?
WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >
What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?
what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me
what about electrical pannel.? What is meant by plc pannel.?
What is marx circuit?
why surge protectetor work explain with the help of circut diagram?
what are the different kind of cables used for transmissions?
explain the types of drives
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit
Why HT 11 KV Slipring Motors are connected in star ?
what is plunger and what's the use of it in motor alignment?
