what is meant by power factor ?
Answers were Sorted based on User's Feedback
POwer Factor is a cos angle between Voltage and current.
| Is This Answer Correct ? | 51 Yes | 6 No |
Answer / gautham
power factor is the Cosine of Angle between the Applied
VOltage and current. It directly depends on the Load. If
the load is Inductive then the PF is LAGGING.If the load is
resistive the PF is leading.Power Factor takes value from 0
to 1. Unity Power Factor is the Idealised condition, means
least power dissipated and high effeciency.
It can also be calculated from R/Z and KW/KVA ratings.
| Is This Answer Correct ? | 15 Yes | 5 No |
Answer / satish m
It is the ratio of the resistance to impedance.
PF= R/Z.
OR
It is cosine of phase angle between voltage & current.
It can be improved by connecting the capacitors in parallel
to the supply.
| Is This Answer Correct ? | 8 Yes | 5 No |
Answer / saravanan.n
the power factor of acircuit may be defined as:
(1)the ratio resistance and impedance = r/z
(2)the ratio = watts/voltampers=trepower/apparent
power=V x I x cosQ /V X I
(3)the cosine of the angle of lead or lag current from the
applied voltage
| Is This Answer Correct ? | 6 Yes | 5 No |
I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.
What is RMU, and what it's function?
What is corona loss?
why we cannot apply ohms law to transformer?
Whether amorphous core transformer is available in India?.If available then up to what rating of voltage and KVA?.
0 Answers DAE, Tata Chemicals,
how make to Incident and accident report
When we synchronize the Generator BKR with TIE BKR then Gen BKR is hold but TIE BKR is Tripped on Non directional over current but when TIE BKR is Syn. with Gen. BKR then no fault occur so what is the problem
At a family reunion were the following people: one grandfather, one grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law, and one daughter-in-law. But not as many people attended as it sounds. How many were there ?
WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING
Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?
what is the formula or method to calculate RESIDENTIAL,COMMERCIAL & INDUSTRIAL load power?????
What is the feedback in the control system?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)