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Why generators are rated at 0.8 lagging power factor?
Rated power factor
What determines leading or lagging power factor?
underdampedAnswerA lagging power factor describes a situation in which the load current is lagging the supply voltage. This describes an inductive load, such as a motor, etc.
What is the power factor of an induction motor?
Induction motor comprised inductor as the most part in it and an inductor has the characteristic to oppose the change of current, i.e., it has lagging power factor as current lags behind the voltage. Hence, an induction motor works on lagging power factor.
Why Power factor becomes less lagging when capacitor is switched on?
Because capacitor withdraw leading current from source and net resultant become less lagging.
Why current lagging in the coil?
The coil consists of inductance. Due to inductance the current lags the voltage. So, the power factor is lagging.
Leading and lagging power factor?
The terms, 'leading' and 'lagging' refer to what the load current is doing, relative to the supply voltage (Phase difference) -never the other way around. If the current is leading the voltage, then the power factor is 'leading'; if the current is lagging the voltage, then the power factor is 'lagging'.
Power factor lead or lag?
By definition, the terms 'leading' and 'lagging' refer to what the load current is doing with respect to the supply voltage. So, for a 'lagging power factor', it is the current that is lagging.
Why generators are rated at 0.8 lagging power factor?
Rated power factor
What reasons are there to want to correct a lagging power factor?
When you have a lagging power factor, measuring instruments (i.e. AC energy meters etc..) will read high. For example, if you've actually used 12W, when a lagging power factor is present, the meter might read 13~14W.
What happens when lagging Power Factor changes to leading PF?
when lagging Power Factor changes to leading PF, then the voltage across the circuit in which capacitor bank is connected, is increased.
What determines leading or lagging power factor?
underdampedAnswerA lagging power factor describes a situation in which the load current is lagging the supply voltage. This describes an inductive load, such as a motor, etc.
What is the main reason for Low Power Factor?
inductive/lagging load
Sir iam a working engineeri have come to a peculier problem the capacitor bank was installed at a sub-stationwhen capacitor bank is switched on the power factor becomes more lagging?
It's not peculiar. That's a property of capacitors.
What is the power factor of an induction motor?
Induction motor comprised inductor as the most part in it and an inductor has the characteristic to oppose the change of current, i.e., it has lagging power factor as current lags behind the voltage. Hence, an induction motor works on lagging power factor.
Why Power factor becomes less lagging when capacitor is switched on?
Because capacitor withdraw leading current from source and net resultant become less lagging.
Why current lagging in the coil?
The coil consists of inductance. Due to inductance the current lags the voltage. So, the power factor is lagging.
When a load on a normally excited synchronous motor is increased its power factor tends to?
power factor normally goes to the lagging
