Input reactors and output reactors are two types of reactors that are commonly used in electrical systems. While both types of reactors are used to provide impedance to electrical circuits, they serve different functions and are designed differently.

An input reactor is typically used at the input of a system, such as a motor drive or power converter. Its main function is to limit the flow of current into the system and reduce harmonic distortion caused by the rectification of AC power. An input reactor is designed with a high inductance value and low capacitance value to provide a high impedance at low frequencies, which can help to reduce the effects of line voltage transients and spikes.

An output reactor, on the other hand, is typically used at the output of a system, such as a motor or transformer. Its main function is to limit the flow of current out of the system and provide protection against voltage surges and other transients. An output reactor is designed with a low inductance value and high capacitance value to provide a low impedance at high frequencies, which can help to protect against voltage spikes and other transients.

While input and output reactors serve different functions and are designed differently, they can both be important for ensuring the reliability and safety of electrical systems. By carefully selecting and implementing the appropriate type of reactor, engineers can help to mitigate the effects of harmonics, transients, and other electrical disturbances that can negatively impact system performance and safety.

In addition to their different functions and designs, input reactors and output reactors also have different considerations when it comes to their capacity and matching. Input reactors are typically sized based on the rated power of the system they are being used with, as well as the voltage and frequency of the input power. Output reactors, on the other hand, are typically sized based on the rated current of the system they are being used with, as well as the load impedance and other factors that can affect system performance.

Matching the capacity of a reactor to the requirements of the system it is being used with is important for ensuring optimal performance and safety. If a reactor is too small for the system it is being used with, it may not be able to provide sufficient impedance and protection, which can lead to electrical disturbances and even system failure. Conversely, if a reactor is too large for the system it is being used with, it may introduce unnecessary losses and reduce system efficiency.

Overall, understanding the differences between input reactors and output reactors, as well as their capacity and matching considerations, is essential for designing and implementing reliable and efficient electrical systems. By selecting the appropriate type and size of reactor, engineers can help to ensure that their systems operate safely and reliably, with minimal impact from electrical disturbances and other factors.

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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