why total tape position are odd in number in Power
transformer ?
Answer Posted / k.prakashchandra
The middle tap is ' normal' and there are equal number of
taps for 'raise' and 'lower'
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?
Why is negative feedback invariably preferred in closed loop system?
11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter
Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job
What is thresh hold value of current?
do we use neutral grounding for resistive balanced load? if we use what happen?
What is bode plot?
How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help
Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.
I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?
why we are not giving the zone 1 trip command to the master trip relay
sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.
What are the advantages of nichols chart?