what is the use of power factor ? where its applicable ?
Answer Posted / nagendra murthy m
power factor is the ratio of the real power flowing to load
to the apparent power in the circuit. it is a dimensionless
number between 0 and 1.The significance of power factor lies
in the fact that utility companies supply customers with
volt-amperes, but bill them for watts. Power factors below
1.0 require a utility to generate more than the minimum
volt-amperes necessary to supply the real power (watts).
This increases generation and transmission costs. For
example, if the load power factor were as low as 0.7, the
apparent power would be 1.4 times the real power used by the
load. Line current in the circuit would also be 1.4 times
the current required at 1.0 power factor, so the losses in
the circuit would be doubled. so this must be minimized
using suitable methods.
Is This Answer Correct ? | 11 Yes | 1 No |
Post New Answer View All Answers
How to find out damper winding failure for synchronous machine?
How to reduce -234126219.6403 MVAr generation and by what?
State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp
What are the types of windings according to the construction?
What is distance between electrical panel to land ?
how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64
how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????
how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...
what is the criteria for selection of conductor used for ehv ac electrical dischrge
when we decide to use soft starter drive or vfd drive in mcc to operate apump?
high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...
As an electrical engineer what are the responsibilities which i can hold in TCS?
what will happen when the dc supply is given to the capacitor?
why we use circuit breakers for switching instead of normal switching device?
how to avoid Saturation in C.T?