Answer / guest

servo voltage stabilizer maintains the constant voltage output
by comparing variation of voltage at load. ie closed loop
control. but in case of general voltage stabilizer maintains
the constant voltage output by sensing variation of voltage
at input.

Do you know the alignment of a motor?

8 Answers   Reliance,

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Why in Digital Megger for finding Insulation resistance,-ve is applied to core or conductor and +ve is applied to ground.

1 Answers   ACC,

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HOW TO MEASSURED THE AMPS RATING FOR SUITABLE CABLE SIZE?

4 Answers  

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in alternator permanent magnet generator is also connected on the alternator shaft,then y that PMG voltage is very low as compared to alternator?

1 Answers  

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what is derating?, why it is neccesary, it is same for all means for drives, motors,and cables.

1 Answers  

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in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

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please explian how may types of maintenance works.

4 Answers   HP,

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WHY WE CAN GENERATE POWER IN 3PHASE MODE ONLY NOT IN 4 OR 5 PHASE?

10 Answers  

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What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

0 Answers  

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How to calculate the electrical load for a standard telecom BTS shelter and capacity of DG set required to cater to this load?

3 Answers   Bhel, INDUS, Indus Towers,

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what is restircted earth fault relay,how it works? what is diffrance btwn normal earth falut relay & restricted earth fault relay?

1 Answers  

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Draw the line diagram of diffretial relay connected to transformer?

0 Answers   NTPC,

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