what is the difference between ac ground and dc ground.. In my project iam using both ac and dc supply.. can both the grounds or the return paths be connected??

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what is the difference between vector scale and vector diagram?

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how to calculate the fault in substation

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i want to measure voltage difference between neutral and earth so i just simply use voltmeter. my question is that may i use this measure continuosly.or there are some electricity board restrication on that? or it creat some problem on my measuring device..?

2 Answers   NEEC,

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Hi, We have have the major losses between BBT ( Bus Bar Trunking) to LT Incomer & LT to HT incomer, how to arrive the losses?

1 Answers  

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Why oil preferred over the air as a cooling medium for high rated transformer?

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What are dcs and plc?

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iii) A shunt motor runs at 70 rad/sec from a 460V supply and takes in an armature current of 100A. Resistors of 2.52 ohms and 1.64 ohms are connected in series with the armature and in parallel with the armature respectively. The field excitation remains direct from the 460V supply but the generated torque is halved. Determine the new running speed. Neglect brush voltage drop. The armature resistance is 0.4 ohms. [15]

1 Answers  

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Define over current & earth fault ?how its functioning ?

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what are the checks of diesel gensets

2 Answers   Hathway,

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WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

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What are the specifications for conducting earth leakage test as per IEC standard?

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