How to take vector group test of a transformer?
Suppose we dont know the vector group of transformer, how to
check its vector group through test? I have 3 transformer
DYn11 & DYno& Ynd11, how to confirm its vector group?
Answer Posted / l.haridoss
DYn11 stands for star delta neutral @ 11o clock posiion
This can be explained by using vector diagram. at fouth
quadrant there is 30 degree angle inclination b/w LV & HV
| Is This Answer Correct ? | 4 Yes | 3 No |
Post New Answer View All Answers
what is the use of the puls transformer in UPS & how it works???????????
Write the analogous electrical elements in force current analogy for the elements of mechanical translational system.
Sate maximum power transfer theorem?
any one can explain the stages of a knee point which is taken during ct magnetising curve.
What was your role in the silicon evaluation/product ramp? What tools did you use?
when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com
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 it posible to instal one more SMDB from the existing SMDB and is it practical.
explain the function of brush less dc motor?
why we are not giving the zone 1 trip command to the master trip relay
distribution transformer de-rating formula on over limit iron losses
Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
What is marx circuit?
what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?
Disadventage of cable-gland earthing if any ?