Can anybody tell abt concrete encased earthing or grounding?
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what is the dedicated earthing
how u change the vector group of a transformer like DYN1 to ynd11
If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.
16 Answers BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,
why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?
What is E.M.F ?
Why PS class CT is always preferred for Differential protection?
comparision between ACB and VCB
According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.
Where can I get CPWD electrical shedule rates in web? please help me.
what is PWM in IGBT and how it works for drive.?
insulators advantage in transformer yard?
is dc shunt moter oprate on ac? if no why? if yes how?
8 Answers IOCL, JJJ, Power Grid,
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