Achievement of Low-voltage Intelligent Reactive Power Compensation Controller

LI Sheng-yong; HUANG Zhi-wei

doi:10.14044/j.1674-1757.pcrpc.2013.04.001

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Achievement of Low-voltage Intelligent Reactive Power Compensation Controller

更新时间：2024-09-14

- Achievement of Low-voltage Intelligent Reactive Power Compensation Controller
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 34, Issue 4, Pages: 1-6(2013)
- 作者机构：
  
  广西大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2013.04.001
  CLC： TM761.1
- Published：2013，
- 稿件说明：
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[1]李圣勇,黄志伟.低压智能无功补偿控制器的实现[J].电力电容器与无功补偿,2013,34(04):1-6.

LI SHENG-YONG, HUANG ZHI-WEI. Achievement of Low-voltage Intelligent Reactive Power Compensation Controller. [J]. Power capacitor & reactive power compensation, 2013, 34(4): 1-6.
[1]李圣勇,黄志伟.低压智能无功补偿控制器的实现[J].电力电容器与无功补偿,2013,34(04):1-6. DOI： 10.14044/j.1674-1757.pcrpc.2013.04.001.

LI SHENG-YONG, HUANG ZHI-WEI. Achievement of Low-voltage Intelligent Reactive Power Compensation Controller. [J]. Power capacitor & reactive power compensation, 2013, 34(4): 1-6. DOI： 10.14044/j.1674-1757.pcrpc.2013.04.001.

摘要

本文首先介绍了无功功率产生的原因以及减小无功功率的方法

并以ATmega64单片机为核心

实现了低压智能无功补偿控制器。由于本设计使用电路简单、可靠

并创新地采用硬件过零触发电路来触发电压、电流同步采样

从而克服了以前无功补偿控制器检测算法复杂、抗干扰能力弱的特点。最后通过实验

验证了控制器的效果

在电网频率变化不大的情况下

控制器能够准确地控制电容器组投切

达到预设的功率因数。

Abstract

In this paper

the causes of reactive power and its reduction method are firstly introduced.Then the low voltage intelligent reactive power compensation controller with ATmega64 single chip microcomputer（SCM） as core is achieved.Since the circuit used in the design is simple and reliable

and hardware zero trigger circuit is creatively used to trig synchronous sampling of voltage and current

so as to overcome such shortcomings of previous reactive power compensation controller as complicated detection calculation algorithm and weak anti-interference ability etc.Finally

the result of the controller is verified through experiment.The controller

at less variation of power grid frequency

can accurately control the switching of capacitor bank and reach preset power factor.

关键词

无功补偿信号调整过零触发

Keywords

reactive power compensationsignal adjustmentzero trigger

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