Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / abhishek goyal
cosq=P/VI
Power factor= KW/KVA
POWER FACTOR= R/Z
ITS ANGLE BETWEEN THE VOLTAGE AND CURRENT
IF COSQ=1 ITS A UNITY POWER FACTOR
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is the exact formula for one weber of magnetic flux?
can i use ups power as a raw power for another ups
what is proper capacitor placement? How to evaluate capacitor size?
What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.
Yazaki india pvt ltd interview questions qurey related
H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....
1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?
What do you mean by turns ratio of instrument transformer?
What is difference between SMC supportg and Glass Fibre Reinforced Plastic Support.
PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.
Why do we perform an open-circuit test and short-circuit test on the transformer?
A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.
Which do you think is the most significant cause of energy loss in a factory?
What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.
Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?
