FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER
DIFFERENTIAL PROTECTION DOES NOT OPERATE???
Answer Posted / zahid ali
because there is no difference in the current at the ends
of a winding with shorted turn: a turn fault would have to
burn through major insulation to ground or another phase
before it could be detected
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
How many types of electric motors are there?
how to find the voltage's of a transmission line plzz help with pictures i am not able to understand
how to set relay setting? and example calculation...
if a.c supply is given to the motor,, what happen?
how dose servo motor works
why transformer tank is in rectangular shape what happen when it is in step shape
What is 11 N1 and 12 N2 in single phase Transformer ?
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
what is the difference between oil surge relay and buchholz relay.
in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply
We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.
We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?
Explain difference between stand by earth fault and residual earth fault protection?
What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2
How does a digital electronic meter work??????