Interested to Buy Any Domain ? << Click Here >> for more details...
What is the function of restraining coil in differential
relay? as well as restraining current?
- 8 Answers
- 46602 Views
- Medical, Siemens, I also Faced
- E-Mail Answers
Answer Posted / m raviteja
the function of the restraining coil is to avoid the mal
fuctioning of the main relay. restraining current is
flowing through the restraining coil is to prevent the
external faults. the increase the current increase the
restraining torque.
| Is This Answer Correct ? | 11 Yes | 4 No |
Post New Answer View All Answers
what will be project cost for 100 kv transformer connection under oyt scheme.
How many size of cable required for a 300m long and 30kw inductive lode
What is dielectric loss?
Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)
What is the minimum underground tank size capacity considered for firefighting purpose?
calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
How generating electric power export to grid from the generating station ?
In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.
Define end float in a motor?
What is steady state response?
why current is constant on d.c?
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
What is cut-off rate?
Write the force balance equation of ideal dashpot element.
