How many types of electrical earthing are there?
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what is meaning of AMF, WHY IS USING IN GENSET
how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?
What is the output voltage of a DG set.
My question is whether bellow formula is correct to find bus size for 46kA for 0.5 second & what is RT in bellow formula. formula to calculate the size of busbar to withstand the thermal stresses due to currents with duration of 0.2 sec to 5 sec. Sp = RT( I x I x t) / K Where Sp – is the cross sectional area of bus bar in millimeters. I - is the value of AC fault current. t - is the operating time of disconnecting device in seconds. K – is the factor depending on the material of the conductor, insulation and initial and final temperature. Value of ‘k’ for copper is 143.
A circuit breaker on detecting fault will a. Open b. Close c. Open and trigger the alarm
WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT
750kva 11/415kv transformer having percentage impedence is5.64%. 11KV HV whose current 39.37A and 415V LV whose current 1043.43A.resistance is 2.5ohm. find no load loss and full load loss?
What is metering cubical? What is the use?
how to calculate busbar capacity for 1000Kva transformer having22/.433V
2 Answers Electrical Tech, L&T,
Is there any difference of regulation of transformer, alternator , transmission line, if yes, what is it?
How can we calculate cable size in Low voltage & high voltage
0 Answers United Breweries UB,
why 15 kw motor winding resistance is low then 5 kw motor winding resistance?
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