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We already talked about the fact that low power factor is caused by the presence of induction motors. But, more specifically, low power factor is caused by running induction motors lightly loaded. 3) Avoiding operation of equipment above its rated voltage. 4) Replacing standard motors as they burn out with energy-efficient motors.

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power factor power factor is the father of both current and voltage it balances the current and the voltage if power factor is disturbed there is a huge loss in the current and voltage and if the p.f goes to max it will effect the electricity bill of that firm thats why p.f is used hammad 01-19-2016 06:36 PM electrical engineering

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Low power factor is a direct cost to the utility company and must be paid for. Direct costs of low power factor Power factor may be billed as one of or combination of, the following: 1) A penalty for power factor below and a credit for power factor above a predetermined value, 2) An increasing penalty for decreasing power factor,

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Answer (1 of 4): The power factor basically determines how aligned or in phase the alternating current and voltage waveforms are. The more aligned they are, the higher the power factor. The difference of phase between them should be as small as possible for efficient use of energy. If the angle i...

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Low power factor also reduces the amount of real power that a plant's electrical distribution system can handle, and increased line currents will increase losses in a plant's distribution system. A method to improve power factor, which is typically expensive, is to use a unity or leading power factor synchronous motor or generator in the power ...

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Power Factor: At minimum excitation, the motor runs at a low lagging power factor, between 0.6 and 0.8, depending upon the load and the design of the machine. If the excitation current is increased above the minimum necessary to drive the load, the speed and …

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Disadvantages of low power factor: • Line losses are 1.57 times unity power factor. • Larger generators and transformers are required. • Low lagging power factor causes a large voltage drop, hence extra regulation equipment is required to keep voltage drop within prescribed limits.

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Methods of improving power factor: • By connecting static capacitors in parallel with the load operating at lagging power factor. • A synchronous motor takes a leading current when over ...