Hi to u all :
Friends:
Why when operate on 2 phase welding machine the power metr
goes reverse ??
the meter is god on other loads.
thanks

Answers were Sorted based on User's Feedback



Hi to u all : Friends: Why when operate on 2 phase welding machine the power metr goes reverse ??..

Answer / k.prakashchandra

If two single phase meters are employed ,one of the meters
is likely to show negative reading ( import ) due to low pf
and the other meter positive ( export ).

Is This Answer Correct ?    2 Yes 0 No

Hi to u all : Friends: Why when operate on 2 phase welding machine the power metr goes reverse ??..

Answer / k.prakashchandra

Very low pf on no load . The meter needs 'pf adjustment'

Is This Answer Correct ?    1 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

Explain the difference between verilog task and verilog function?

0 Answers  


how to find total current when kva is 30.4 given ? should we use root 3 (1.732) in the formula?

2 Answers  


what are the difference between protection class CT and Class PS CT

13 Answers  


how r charge carriers produced

0 Answers  


what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

0 Answers  






how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.

1 Answers   Sojex,


How can transformer oil be used in transformers with voltage rating above its breakdown voltage?

2 Answers  


In single core cable, Why non-magnetic material is used??

1 Answers  


what is a panel board?

1 Answers  


What happen if LV supply is fed to a HT motor?

19 Answers   ITC Infotech, Jindal,


if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

1 Answers  


I know current,volt,powerfactor of an electrical line. In this line how I will calculate Active power and Reactive power

2 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5084)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16631)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1094)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)