A reactor, also known as a reactor coil or inductor, is an electronic component that stores and releases energy in the form of a magnetic field. Its primary function is to limit or control the flow of electrical current in a circuit.

Reactor is widely used in various applications such as power systems, electric motors, and electronic circuits. The main function of a reactor is to provide impedance to the current flow in a circuit. This is achieved by the inductive reactance of the reactor, which is proportional to the frequency of the current flowing through it.

In power systems, reactors are commonly used to compensate for the inductive or capacitive reactance of long transmission lines. They can also be used to control the flow of current in a power system, preventing it from becoming unstable or causing damage to equipment.

In electric motors, reactors are used to limit the amount of current that flows through the motor's windings. This helps to prevent overheating and damage to the motor, and also reduces the amount of electrical noise that is generated.

In electronic circuits, reactors are used to filter out unwanted noise and interference. They can also be used to match the impedance of different components in a circuit, or to provide a stable source of power to sensitive components.

In summary, a reactor is an important electronic component that plays a vital role in controlling the flow of electrical current in various applications. Its inductive reactance helps to limit or control current flow, and it can be used to compensate for inductive or capacitive reactance in power systems.

In addition to their primary function, reactors also have secondary functions such as limiting the level of short-circuit currents, reducing the harmonic content of electrical signals, and improving the power factor of electrical systems. They can be designed to work with different types of electrical loads, and can be used in series or parallel configurations to achieve specific performance characteristics.

Reactors can come in different types, such as air-core reactors, iron-core reactors, and magnetic-core reactors, and each type has its own unique characteristics and applications. They can also be designed to operate at different frequencies and temperatures, depending on the specific application.

Overall, the function of a reactor is essential in many different electrical systems and circuits. Its ability to control and limit current flow is crucial in preventing damage to equipment and ensuring stable operation of the system.

LuShan, est. 1975,  is a Chinese professional manufacturer specializing in power transformers and reactors for 48 years. Leading products are single-phase transformer, three-phase transformers, DC inductors, AC reactors, filtering reactor, expoxy resin high-voltage transformer and intermediate, high-frequency products. Our transformers and reactors are widely used in 10 application areas: rapid transit, construction machinery, renewable energy, intelligent manufacturing, medical equipment, coal mine explosion prevention , excitation system, vacuum sintering, central air conditioning.

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