What is the function of Lightning Arrester & Wavetrap in Power system ??18 62434
what is meant by insulation voltage in cables? explain it?4 14021
STATE AND EXPLAIN SUPER POSITION THEOREM.3 14625
WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?5 19220
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we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?5 4030
What is the difference between Isolator annd Circuit Breaker.21 59678
in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.989
During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?6 7728
what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes10 45600
What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?3 24850
what is numerical relay explain its operation2 6166
How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...671
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Hi, Cansomeone please send the system refresh doc , it's very urgent for me. Thanks in advance.
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If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?