# Reactive Power Converter

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#### How to Use Reactive Power in AC circuits

##### Introduction

In **alternating current ***(AC)*** circuits**, **reactive power** is the result of **voltage** and current **waveform**s being out of phase. **Reactive power** flow back and forth between the source and load, and doesn’t do any useful work. In this **convert tool**, we will explore what **reactive power** is, why it’s needed in an** AC circuit**, and how it can be used.

#### What is Reactive Power.

##### Definition of Reactive Power

**Reactive power** is a value associated with the storage and **release** of **energy** in an **electric circui**t. It is the product of **voltage and amperage** that does not perform any useful work in the circuit. The unit for **reactive power** is the **volt-ampere reactive** *(VAR)*. **Reactive Power in AC circuit**s.

**In alternating current** *(AC)* circuits, reactive power is required to maintain the magnetic fields created by the flow of current. The strength of the magnetic field is determined by the amount of current flowing through **the conductor**. If there is no current flow, there will be no **magnetic field**.

#### The need for Reactive Power in an AC circuit.

##### Power Factor

The **power factor** of an* AC circui*t is the ratio of the **real power** to the** apparent power**, and is a measure of how efficiently the circuit converts supplied **electrical energy** into useful work output. A low power factor indicates that the circuit is not operating at peak efficiency, and that it is wasting energy. There are two main ways to improve the** power factor** of a circuit: by adding **reactive power**, or by reducing the amount of resistive load in the circuit.

#### Improving the Power Factor

Adding reactive **power to a circuit** can be done by using inductors or capacitors. Inductors** store energy** in their **magnetic fields**, while capacitors **store energy** in their **electric fields**. By adding either of these **components to a circuit**, the overall power factor can be improved. Reducing the resistive load in a circuit can also be effective in improving its **power facto**r. This can be done by using more efficient **electrical device**s, or by replacing **resistive loads** with inductive or capacitive loads wherever possible.

#### How to Use Reactive Power.

##### Theoretical explanation

Reactive power is the "*unused*" or "*wasted*" power in an **AC circui**t. It is created by the inductance and capacitance in the circuit, and can be harnessed to improve the **power factor** of the system.

#### Practical example

Adding a capacitor to an **AC circuit** will create a phase shift between the **voltage and current waveform**s. This shift will cause the current to lead the **voltage** by a small amount, and will result in a decrease in **reactive power**.

#### Conclusion

Reactive power is a crucial element in **AC circuits**, and it is important to understand how to use it properly. By improving the power factor, **reactive power** can help make an **AC circuit** more efficient. In addition, by understanding the theoretical explanation behind **reactive power**, readers can better understand how to apply it in practical situations.

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