1140V LCL filter Reactor

LCL filter reactors, widely employed as power supply filters in electrical systems, are primarily designed to eliminate high-frequency noise from the outputs of three-phase inverters in DC power systems. They achieve this by using carefully engineered combinations of inductance and capacitance, effectively enhancing the stability and quality of the output signal.

The construction of LCL filter reactors is intricate, comprising three key components: input inductance, series-connected capacitance, and output inductance. Both input and output inductances are coil-shaped, while the series-connected capacitance uses fixed-value capacitors. These components are interconnected to form a unique ring-shaped structure.

Regarding the operational principles of LCL filter reactors, they can be divided into two main stages:
1. Power Stage: In this stage, DC power initially undergoes processing through a three-phase inverter before entering the LCL filter reactor. The primary task of the filter reactor at this stage is meticulous filtering of the DC signal to transform it into a more stable DC output.

2. Load Stage: Once the stable DC signal reaches the load, the LCL filter reactor plays a crucial role again. It continues to monitor and filter out any residual high-frequency noise, ensuring the final output signal is pure, stable, and reliable. This dual filtering mechanism makes the LCL filter reactor an essential device for ensuring power quality in electrical systems.
Capable of withstanding voltages as high as 1140V, this reactor ensures stable operation in high-voltage power systems, effectively suppressing harmonics and noise to improve power quality. The 1140V LCL filter reactor finds extensive application in various high-voltage power systems, such as mining four-quadrant boost feedback systems, high-voltage inverters, and high-power rectifiers. In these applications, it effectively enhances power quality, reduces equipment failure rates, and enhances overall system performance.