How can claculate to attain the desired PF in the line (
HOW Much KVAR is required ) Pls Give the formula? Equate
Petrochemical 0 1
how to calculate sizing of NGTR (Transformer rating,Loading
resistor value and Current rating of resistor) and what is
the X/R ratio. Details : 11kV,Capacitance 1.73532 micro
farads,40kA for 1sec. 0 1
What will happened. if we feed 3phase supplay to the stater
with out insert the rotor. How much current will flow
through the stater winnding? Equate Petrochemical 0
1
What is required of exietation to the alternater. 0
1
why star point of HT motor not earthed? Equate
Petrochemical 0 1
Why we are getting low voltage in star connection? Equate
Petrochemical 0 2
What's ND relay & it's functions? Equate Petrochemical
0 2
How instantanious short circuit current is calculated? its
formula? Equate Petrochemical 0 2
What is servo Motor? What's the advantages of this motor
over Induction motor? Equate Petrochemical 0 2
What is core CT & it's function? Equate Petrochemical 0
3
what is meant by star/delta voltages as 440/220 in a 3
phase induction motor, and why it should be connected on
STAR IN 3 PHASE SUPPLY L & T 0 4
What is required of exietation to the alternater. KNB 1
23
what is the design voltage for 6.6KV 2000 KVAR HT
capacitor? Consultancy 0 3
Pls explain about vfd control?Where it is used, Give some
example? siemens 1 22
Please explain me abt PQ diagaram in the power sector.
0 9
what is the mazor difference between the induction transformer and synchonous motor?what is the similarity between them?
In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?
I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?
can the measured percentage error during calibration of single phase energy meter be negative?
whatis mean by voltage?
What is OLTC in a transformer, specify its fuction.
35 Answers Bhel, Isgec, L&T,
What is IGBT?Where it is used? What is the difference between IGBT and Thyristor?
5 Answers AC, Formo Plastic, HBL Power Systems, SECL,
is there interlocking between duty and standby chilled water pumps?
what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load
what is meant by reactive power ?
What is full form of G.O.D in 11kv distribution?
10 Answers GOD, MSEB, Shyam Indus Power, STL,
hai every bodi please let me know the test procedure for lightning arresters.