During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections
1 2153what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V, Power Factor 0.8.
BPC,
2 2104On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?
1158I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?
1119how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.
1 1608Post New Electrical Engineering Questions
CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D
2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation
In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?
Disadventage of cable-gland earthing if any ?
If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?
What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?
why we permissive overreach in distance protection.where it is applicable to use in long r short lines
Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?
various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.
why the value of k is more in shell typr transformers?
What is pd controller?
HOW DOES THE ELECTRONIC ENERGY METER WORKS?
What the main causes of transient interruptions on Over-Head Distribution Lines?
What is MS-EXCELL?
Why does the adjacent zone of protection overlap?
