phase clearance between phase to phase and earth
Answers were Sorted based on User's Feedback
Answer / s pradhan
For 11 KV;Ph-Ph-130 mm
Ph-E -100 mm
For 6.6 KV:Ph-Ph-90 mm
Ph-E -70 mm
For 415 V :Ph-Ph-25 mm
Ph-E -20 mm
| Is This Answer Correct ? | 54 Yes | 19 No |
Answer / geetha
For 415 V :Ph-Ph-25 mm
Ph-E -20 mm
For 6.6 KV:Ph-Ph-90 mm
Ph-E -70 mm
for 11 KV : Ph-Ph-229mm
Ph-E-178 mm
for 11 KV : Ph-Ph-229mm
Ph-E- 178mm
for 33 KV : Ph-Ph-320mm
Ph-E-320mm
for 132 KV : Ph-Ph-1100mm if Lightning impulse = 550
Ph-E- 1100mm
Ph-Ph-1300mm if Lightning impulse = 650
Ph-E- 1300mm
for 220 KV : Ph-Ph-1900mm if Lightning impulse = 950
Ph-E-1900 mm
Ph-Ph-2100mm if Lightning impulse = 1050
Ph-E-2100 mm
| Is This Answer Correct ? | 28 Yes | 10 No |
Answer / saleem
phase clearance between phase to phase and earth in
11Kv,33Kv and 66kv System.
| Is This Answer Correct ? | 12 Yes | 3 No |
Answer / mathi
ans: 110mm for phase to earth
130mm for phase to phase
| Is This Answer Correct ? | 7 Yes | 6 No |
Answer / sinnadurai sripadmanaban
Please give clearances for indoor as well as for outdoor and in air/vacuum/SF6 or within a switchboard(enclosure-IP..)
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / bmw6633@gmail.com
phase to phase 1inch and for earth 1 1/2 inch
| Is This Answer Correct ? | 11 Yes | 25 No |
If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........
how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
Can u tell me the name of books of transformer testing?
what is the material use in bus bar & why.
What is Procedure the procedure to select CT's & PT's in 66kV and above substation?
how much loading in terms of ampere can put on 5 MVA,33/11 KV TRANSFORMER having rated current 263 Amp ?????????
which connection is safer series or parallel?usually which connection we prefer at home?
why we r using 4-20ma instead of 0-20ma in instrumentation
is it value of power factor is more than unit. whats effects in the source supply
dielectric strength of vacuum is greater than SF6 but for 132Kv uses sf6 breaker & for 33kV uses vaccum breaker why such a contradiction?
2 Answers MSETCL Maharashtra State Electricity Transmission Co Ltd,
what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY
why inductancce of armature inductance of dc machines is neglected?
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)