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|why a three phase transformer cant rotate like three phase motor
|Why earthing transformer used in Distribution Sub-Station?
|WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder
in LV substation panel.It is supplying to a lighting & power
socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8
times of Ir , tsd = 0.5 sec( I2 t off).
Sometimes this MCCB is tripping .But no trip in DB MCB.
Can anybody tell me reason ?
From where i can know about the MCCB settings?
|What is Lockout Relay and what is use of it in electrical
|how to calculate the mf of kwh meter,if ct the ratio on
meter is 100/5A
|what does kirlosker deals with?
|1.what is the basic difference between surge arrestor and
lightning arrestor and where we use it.
1.what is the difference between metal oxide without gapped
lightning arrestor and with gapped lightning arrestor
|What is GIS Substation and how it operate? where these type
of substation installed?
|For a Potential Transformer(PT), the primary neutral
terminal must be grounded before energization. Why....?
What will be heppend if we energize the PT without grounded
the primary neutral point? Why..........?
|Why sometime i receive GCU fault /Excitation voltage loss
in my Generator Synch Panel .
|Please specify the parts of VCB&ACB
|400kw, 3.3Kv motor want to fix 1000km away from substation.
What is full load current? and what is the cable size for
motor? I amp expecting answer and advice from your side..
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