what is the powerfactor
Answers were Sorted based on User's Feedback
Answer / kavitha.s
it is ratio of active power to apparent power is called
power factor. it is expressed as PF= KW/KVA
| Is This Answer Correct ? | 8 Yes | 0 No |
Answer / bhupendra
Power factor is cosine of angle b/w voltage & current.
Mathematically
Cosφ=Power/Voltage*Current)
Cosφ=R/Z
where R= Resistance
Z= Impedance
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / shaikh aijaz
it is the cosine angle between voltage and current,
and from impedance trangle it is the ratio between
rasistance and impedance,
cos0=r/z
it is also define as the ratio between active power and
apparent power.cos0=kw/kva
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / amit rajak
power factor is the cosine angle between voltage and current
which balances both these electrical quantities.It is
ideally considered as 0.8 for electrical equipments for its
maximum efficiency.if it is not properly regulated than
there may be rise of any one of the above parameters which
will definitely effect the efficiency
it can be properly regulated by using capacitors in
domestic installation systems
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / 98794
IT IS A COSINE ANGLE B/V APPLIED VOLTAGE AND CURRENT
| Is This Answer Correct ? | 0 Yes | 2 No |
excitation limit of an excitor
working principle of current sensing relay? how its work?
How power factor of a transformer is calculated
Which type of a.c motor is used in the fan (ceiling fan, exhaust fan, pedestal fan, bracket fan etc) which are find in the houses ?
Why GRR starts from 60% of motor speed why not less than 60%?
what is the generating transformer?
Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.
Why does the rotor rotate?
1 Answers Machino Polymers, OPTCL,
How can we calculate ngr resistance for a generator and Transformer ? What type of transformer requires ngr ?
can indirect loading be called as phantom loading?
What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?
-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.
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)