What exactly is Power Factor?Power Factor (i.e. Cosɸ) of a circuit can be defined as:
Cosɸ = the cosine of an angle between Voltage (V) and Current (I).
R/Z = Resistance/Impedance
VICosɸ/VI = True Power/Apparent Power
The value of power factor can never be greater than 1(Unity)
It is usual practice to attach the word ‘lagging’ or ‘leading’ with the numerical value of power factor to signify whether the current lags or leads the voltage. Thus if a circuit has p.f. of 0.6 and the current lags the voltage, we generally write p.f. as 0.6 lagging.
Power factor can also be expressed as a percentage i.e. 60% lagging.
Coming soon Power Factor #2, I will dive deeply into power factor and its relation to power.
nice article. high pf is very usefull to increase efficiency. it is better to using capasitor bank. thanks
ReplyDeleteHow can one improve the power factor and the circuit connection
ReplyDeleteThere are severa; known ways of improving the power factor of a given circuit but it all depends on the load itself.So what type of load are we talking about here?
ReplyDeletehi this is lal , will you enplane the power factor according to angle between voltage and current please
ReplyDeletePerfect for my assignment in Physics. Thanks to this blog for the information.
ReplyDeleteThanks too. Anytime.
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ReplyDeleteHi, nice post got valuable information about Power factor. Power factor improvement plays a major role in the industry, which saves lots of money and strengthens the life of the machine.
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