High Voltage out door substation-annual maintenance, things
to be considered
1) BOLT CONNECTION ALL EQUIMENTS CHECKING.
2) MAIN EARTH CONNECTION.
3) eARTH SHIELD, fiber optic cable connections.
4) Test the CB TIMING ,INSULATION, PROTECTION RELAYS,
ct,VT, - OIL TESTS, DS,ES,
5)hvac
6) DC system
7) Outdoor lighting/emergency change over.
8) On line sub stn cleaning eauipment
9) funtional test for Bus bar differenctial protection and
its logic sequence restoration of sub stn equipment. if any)
in case of one and half CB sub-station configuration.
10) fire fighting system.
| Is This Answer Correct ? | 1 Yes | 0 No |
what is the instataneous value of voltage in a 3-phase balanced star connected circuit?
what is alluminium arm in ab conductors
when a 500kva-400hz single phase transformer operated on a 100hz supply then what will be kva required
1.generator rated as 1000 mva,11kv .8 pf what will 0.8 pf will indicate? 1.max pf it can supply 2.min pf it can supply like this 4 options there what is answer.explain
what is difference between 2 pole structure and 4 pole structure in transformer yard
How vfd saving power.
7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is
why 3 phase induction motor only need starter ? why not other motors need starter ?(like synchronous motor,single phase induction motors & their types) ?
which type of cabel
define electrical field?
i need mat lab program to find out the transmission line losses,regulation and losses
Sate maximum power transfer theorem?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)