Interested to Buy Any Domain ? << Click Here >> for more details...
what is the diffrantial relay???????why we use it on the MDB
- 5 Answers
- 8508 Views
- I also Faced
- E-Mail Answers
Answer Posted / sudheer
DIFFERENTIAL RELAY is used to sense generator supply in two
different locations. in generator out put leads are six. in
three phase winding- three leads of begining of coils and
three leads of ends of coils.three leads are named R,Y,B
and other three leads are R1,Y1,B1. we make star connetion
by joint R1,Y1,B1 and make neutral point by this
junction.we ground this neutral.we provide three CT'S in
RYB side and three CT'S in R1 Y1 B1 side.
if any fault occurs in winding between RYB and R1 Y1 B1 the
resultant supply operates the differential relay and the
generator stops automatically.
| Is This Answer Correct ? | 6 Yes | 2 No |
Post New Answer View All Answers
Give the topology of current amplifier with current shunt feedback?
DC transmission
What is relation between mu(nought) and epsilon(nought)?
what is current check gurd relay?
how does a liquid starter reduce the starting currents?
3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
i want some interview related questions with their answers which can help for attend the interviews...
How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.
what is saturation kit?which use above 15 kw motors panel side.
What is signal flow graph?
how to identify vector group of three phase transformer by voltage method?
which protection function should measure RMS value of current&DFT value of current?
working principle a.v.r. ?
i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.
there are cam operated switches - why we call cam operated , What is cam ?
