Answer / k,prakashchandra

As the pf is very low, one of the 3 watt meters will show
negative reading

Answer / natchi

In this test, we use two single phase wattmeters or one 3phase wattmeter, during test one of the 1phase wattmeter reads positive value and other one reads negative value of 3 phase power.

but in usage of 3 phase wattmeter gives directly the whole power of 3 phase supply.

would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

0 Answers   BARC,

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no EB power DG is not starting?

6 Answers  

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why in power staions distriution r like 11kv,33kv,66kv in india?

4 Answers  

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how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

0 Answers   SRES,

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A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

0 Answers   Blue Star,

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WHAT HAPPEN IF GENERATOR TURBINE IF TRIP?

7 Answers   CEERI,

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how can i select the cable ratings

4 Answers  

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How can we select a capacitor Bank.? i need a standard formula for that.?

3 Answers   ABB, Ace Info, HAL, IKK, MahaGenco,

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Frequency in the control system represents? Continuous system in time domain ? In frequency domain?

1 Answers   CCP,

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In IDMT RELAY the term minimum (M) indicates what?

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what is the defination of electrical engineer.

33 Answers  

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when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers  

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