Reactive Power Converter

Free online reactive power converter. Use our free online real and reactive power calculator to know the real power and reactive power for the given voltage and current. This calculator is for educational purposes. This power factor calculator helps you to describe the relationship between the real, reactive, and apparent power in an AC circuit. The following calculators compute reactive power in a three-phase system based on KW and KVA or voltage, current, and power factor. 


Reactive Power Converter Online

A reactive power converter is an electrical device used to control the flow of reactive power in an electrical power system. It can be used to provide or absorb reactive power to improve the power factor and regulate the voltage in the system. This device can take various forms, including static var compensators (SVCs), unified power flow controllers (UPFCs), and thyristor-controlled reactors (TCRs). The main function of a reactive power converter is to dynamically control the amount of reactive power flowing in the electrical system, ensuring that the power factor remains within acceptable limits and the voltage levels are maintained within desired ranges.


How do you calculate reactive power?

Reactive power can be calculated using the formula: Q = V × I × sin(Φ), where:

  • Q is the reactive power in volt-amperes reactive (VAR)
  • V is the RMS voltage in volts
  • I is the RMS current in amps
  • Φ is the phase angle between the voltage and current waveforms in radians.

Note: Reactive power is a measure of the power that is being used to generate and maintain an electromagnetic field in an AC circuit and is not directly associated with doing useful work.


What is the unit of reactive power?

The unit of reactive power is Volt-Ampere reactive (VAR). Reactive power is a measure of the power being used to generate and maintain an electromagnetic field in an AC circuit and is not directly associated with doing useful work.


Where is reactive power used?

Reactive power is used in many electrical power systems, including:

  1. AC power transmission and distribution systems, regulate the voltage and improve the power factor.

  2. Electric power generation, to optimize the performance of power generators, transformers, and motors.

  3. Industrial processes, to ensure stable operation of large motors, variable frequency drives, and other electrical equipment.

  4. Renewable energy systems, to ensure stable operation of wind and solar power systems.

  5. Electric power utilities, balance the load on the system and improve the efficiency of energy transfer.

The use of reactive power can improve the efficiency, stability, and reliability of electrical power systems, making it an important aspect of power engineering.


Why is it called reactive power?

Reactive power is called so because it is a measure of the power that is being used to generate and maintain an electromagnetic field in an AC circuit. This power is called "reactive" because it does not directly perform any useful work but instead is used to generate and sustain the magnetic field. The term "reactive" refers to the fact that the power is being used in a reactive manner, as opposed to being used directly to perform work. The concept of reactive power is important in power engineering because it helps to understand the behavior of electrical power systems and improve their efficiency, stability, and reliability.


How to calculate Reactive Power online?

There are several online tools available that can help you calculate reactive power. Some popular tools include:

  1. Online power calculator - These tools allow you to input the voltage, current, and phase angle, and then calculate the reactive power in Volt-Amperes reactive (VAR).

  2. Power factor calculator - These tools help you determine the power factor of a system and calculate the reactive power based on the active power and apparent power.

  3. Reactive power calculator apps - There are also several mobile apps available that allow you to calculate reactive power on your smartphone or tablet.

These online tools are easy to use and can provide quick and accurate results. To use these tools, you will need to have information about the voltage, current, and phase angle of your electrical system. This information can often be obtained from monitoring equipment or electrical test equipment.