Answer Posted / sivagurusgs
Suppose if there is any problem in excitation voltage the
generator will take power from Grid side. that is current
angle will be shifted from 180 degree. At that time this
relay is used to Trip this function and isolate the equipments.
| Is This Answer Correct ? | 4 Yes | 10 No |
Post New Answer View All Answers
What are the advantages of vscf wind electrical system?
Can u tell me design of switch yard
Define cut-off rate?
What is routh hurwitz stability criterion?
How to connect the chemical earthing and complete process tell me plz
what is transformor oil gread
What is the meaning of Insulation H for transformers????
In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)
how to select energy meter? have any calculation?
why core is useful for a transformer ?and also in its operation ?
How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?
do we use links in a dc circuit?if so what s its use in it?
can you plz send l&t aptitude questions if available its urgent plz plz plz
How does zener phenomenon differ from avalanche breakdown?
what is different between relay and plc?