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Voltage quality enhancement using unified power quality conditioner (UPQC)

机译：使用统一电能质量调节器（UPQC）增强电压质量

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Recently power quality has become more important issue. Day by day in industries and in distribution area power electronics based device are widely used and creates more power quality problems. The quality of the power is defective by certain reasons. This improvement of the quality of the power is seen e.g. as sag, swell, over voltages, under voltage, and harmonics. The quality of the power may be improved by using power conditioning equipment, which may be active filter. This is one of the most modern power conditioning devices, i.e. the unified power quality conditioner (UPQC), which consists of the parallel active power filter (PAPF) and the series active power filter (SAPF). The UPQC is a power conditioning device able to compensate all kinds of power quality faults. UPQC is also used to filter both current and voltage harmonics and to compensate the voltage sag. This work deals with a way to improve the voltage compensation performance of the series APF. This improvement is achieved by improving the conventional hysteresis control system.
机译：最近，电能质量已成为更加重要的问题。在工业和配电领域中，基于电力电子设备的设备日益被广泛使用，并且产生了更多的电能质量问题。由于某些原因，电源质量存在缺陷。例如，可以看到电源质量的这种改善。如骤降，骤升，过电压，欠电压和谐波。通过使用功率调节设备可以提高功率质量，该功率调节设备可以是有源滤波器。这是最现代的功率调节设备之一，即统一功率质量调节器（UPQC），它由并联有源功率滤波器（PAPF）和串联有源功率滤波器（SAPF）组成。 UPQC是一种功率调节设备，能够补偿各种电能质量故障。 UPQC还用于过滤电流和电压谐波并补偿电压骤降。这项工作涉及一种改善串联APF的电压补偿性能的方法。通过改进常规的磁滞控制系统可以实现这种改进。

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