Design of the Distribution Static Synchronous Compensator Based on Dual-DSP

LI Ping; WU Jianwen; ZHANG Zhihao; LIU Shouming; SHI Hongwei

doi:10.13296/j.1001-1609.hva.2015.09.005

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Design of the Distribution Static Synchronous Compensator Based on Dual-DSP

更新时间：2025-04-26

- Design of the Distribution Static Synchronous Compensator Based on Dual-DSP
- High VoltageApparatus Vol. 51, Issue 9, Pages: 28-33(2015)
- 作者机构：
  
  1. 北京航空航天大学自动化科学与电气工程学院
  2. 河南电力公司周口供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.09.005
  CLC： TM761.12
- Published：2015
- 稿件说明：
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[1]李平,武建文,张之昊,刘守明,史宏伟.基于双DSP结构的配电网静止同步补偿器设计[J].高压电器,2015,51(09):28-33.

LI Ping, WU Jianwen, ZHANG Zhihao, et al. Design of the Distribution Static Synchronous Compensator Based on Dual-DSP[J]. High voltageapparatus, 2015, 51(9): 28-33.
[1]李平,武建文,张之昊,刘守明,史宏伟.基于双DSP结构的配电网静止同步补偿器设计[J].高压电器,2015,51(09):28-33. DOI： 10.13296/j.1001-1609.hva.2015.09.005.

LI Ping, WU Jianwen, ZHANG Zhihao, et al. Design of the Distribution Static Synchronous Compensator Based on Dual-DSP[J]. High voltageapparatus, 2015, 51(9): 28-33. DOI： 10.13296/j.1001-1609.hva.2015.09.005.

摘要

笔者设计了一种基于双DSP结构的三相四线制配电网静止同步补偿器（D-STATCOM）

一个DSP负责采样、核心算法、SVPWM输出

另一个DSP负责外围监控与通讯

减小了处理器各自的负担

提高了实时响应速度。同时双DSP均具有保护功能

实现了保护功能的冗余设计

增加了设备运行的可靠性。通过dq变换

得到电网所需的无功电流

采用前馈解耦控制

实现了对无功电流的无稳态误差补偿;通过采样、三角波载波、PWM输出方式

实现了对零线电流的跟踪补偿。最后通过MATLAB仿真和50 kvar样机试验

得到了仿真和实验的数据及波形

验证了文中提出的基于双DSP结构的配电网静止同步补偿器设计的可行性

具有一定的实用价值。

Abstract

A distribution static synchronous compensator（D-STATCOM） based on dual-DSP is designed

in which one DSP is responsible for sampling

core algorithm

and SVPWM output

and the other is responsible for monitoring and communication. This structure can reduce the burden on each processor and accelerate the real-time response speed. Both DSPs have a protective function

and the realization of the redundant design of protection function enhances the reliability of the equipment. Through dq transformation

the required reactive current of the grid is obtained

and the non-steady-state error compensation for reactive current is realized via feed-forward decoupling control. The neutral current compensation is realized by means of sampling

triangular wave carrier

and PWM output. In addition

simulation with MATLAB and experiment on a 50 kvar prototype are conducted to obtain the data and waveforms

which verify the feasibility and applicability of the D-STATCOM based on dual-DSP.

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