An Improved SVG of Medical Reactive Power Compensation Device

YANG Jian; CHEN Jianming; LI Qinghua

doi:10.14044/j.1674-1757.pcrpc.2017.04.023

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An Improved SVG of Medical Reactive Power Compensation Device

更新时间：2024-09-14

- An Improved SVG of Medical Reactive Power Compensation Device
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 4, Pages: 130-134(2017)
- 作者机构：
  
  1. 潍坊市益都中心医院
  2. 潍坊市人民医院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.04.023
  CLC： TM761.12
- Published：2017，
- 稿件说明：
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[1]杨健,陈建明,李清华.一种改进SVG医用电力无功补偿装置[J].电力电容器与无功补偿,2017,38(04):130-134.

YANG JIAN, CHEN JIANMING, LI QINGHUA. An Improved SVG of Medical Reactive Power Compensation Device. [J]. Power capacitor & reactive power compensation, 2017, 38(4): 130-134.
[1]杨健,陈建明,李清华.一种改进SVG医用电力无功补偿装置[J].电力电容器与无功补偿,2017,38(04):130-134. DOI： 10.14044/j.1674-1757.pcrpc.2017.04.023.

YANG JIAN, CHEN JIANMING, LI QINGHUA. An Improved SVG of Medical Reactive Power Compensation Device. [J]. Power capacitor & reactive power compensation, 2017, 38(4): 130-134. DOI： 10.14044/j.1674-1757.pcrpc.2017.04.023.

摘要

针对医院电力系统稳定性要求高的需求

文中提出一种基于改进SVG的无功补偿装置

其主要由数据采集装置、控制箱体、变流器以及三相电压输出端组成。在补偿过程中

由电网采集得到的电流和电压信号从数据采集器通过

数据采集器中对应设置了自适应中值滤波器对电流、电压信号进行滤波调理

去除冲击干扰

获取SVG相位补偿的控制触发信号

进而实现对于变流器的电压补偿和无功功率调节。实验测试了4种不同类型的待无功补偿电能畸变信号

其结果表明

对于不同程度的电能畸变信号

文中所述装置能够进行有效的无功补偿

使得电压信号的整体畸变程度被控制在0.5%上下

从而使负载性能得到保障。

Abstract

Aimed at the high stability requirement of hospital power system

in this paper a kind of reacive compensation device based on improved SVG is proposed and it is mainly composed of data acquisitio device

control box

converter and three-phase voltage output. During the compensation period

the current and voltage signal acquisited by the power network passes through the data acquisition unit in which the self adaptive median filter is set correspondingly for the filtering regulation of the current and voltage signal

remove impulse interference

obtain the control triger signal with SVG phase compensation

and thus achives the voltage compensation and reactive power regulation of the converter. Four different types of power distortion signals needing reactive power compensation are tested by experinment. It is shown by its result that for power distortion signal with different degree

the device mentioned in the paper can perform effective reactive power compensation and integral distortion of the voltage signal is controlled around 0.5% so to assure the load performance.

关键词

无功补偿医院电力系统静止无功发生器（SVG）自适应中值滤波器控制电路

Keywords

reactive power compensationpower system for hpositalstatic var generator（SVG）adaptive median filtercontrol circuit

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Related Institution

Huaneng Yantai Power Generation Co.,Ltd.

Weifang City Yidu Central Hospital Medical Equipment Maintenance Center

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