Reactive power compensation

Thread starter gobi15
Start date Dec 29, 2011
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Power Reactive power

In summary, reactive power compensation is the process of correcting power factor in an electrical system to improve efficiency and stability by adding or subtracting reactive power. It is necessary because reactive power does not contribute to useful work and can lead to various issues. Reactive power can be compensated using devices such as capacitors, inductors, and static VAR compensators, which are connected to the system and adjust reactive power as needed. The benefits of reactive power compensation include improved power factor, reduced power losses, increased system capacity, and lower electricity costs, as well as improved stability and reliability. It can also be automated using power factor correction controllers.

Dec 29, 2011

gobi15

how capacitor compensate reactive power requirement of inductive load .?
please explain...

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Dec 29, 2011

berkeman

Mentor

gobi15 said:

how capacitor compensate reactive power requirement of inductive load .?
please explain...

This introductory article at wikipedia should help you out:

http://en.wikipedia.org/wiki/Reactive_power#Real.2C_reactive.2C_and_apparent_powers

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1. What is reactive power compensation?

Reactive power compensation refers to the process of correcting power factor in an electrical system by adding or subtracting reactive power. This is done in order to improve the overall efficiency and stability of the system.

2. Why is reactive power compensation necessary?

Reactive power compensation is necessary because reactive power, which is responsible for creating magnetic fields, does not contribute to useful work in an electrical system. It can lead to power losses, reduced system capacity, and increased electricity costs.

3. How is reactive power compensated?

Reactive power can be compensated using devices such as capacitors, inductors, and static VAR compensators. These devices are connected to the electrical system and provide or absorb reactive power as needed to maintain a balanced power factor.

4. What are the benefits of reactive power compensation?

The benefits of reactive power compensation include improved power factor, reduced power losses, increased system capacity, and lower electricity costs. It also helps to improve the stability and reliability of the electrical system.

5. Can reactive power compensation be automated?

Yes, reactive power compensation can be automated using power factor correction controllers. These controllers monitor the power factor of the system and automatically adjust the reactive power compensation devices to maintain a desired power factor level.