相量测量装置实时数据的三段式变频传输方法

HOU Mingguo

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相量测量装置实时数据的三段式变频传输方法

更新时间：2025-08-13

- 相量测量装置实时数据的三段式变频传输方法
- Automation of Electric Power Systems Vol. 39, Issue 21, Pages: 93-98(2015)
- 作者机构：
  
  国电南瑞科技股份有限公司,江苏省,南京市,211106
- 作者简介：
- 基金信息：
- DOI：
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- Published：2015
- 稿件说明：
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HOU Mingguo. [J]. Automation of electric power systems, 2015, 39(21): 93-98.
DOI：

HOU Mingguo. [J]. Automation of electric power systems, 2015, 39(21): 93-98. DOI：

摘要

为了有效降低广域测量系统(WAMS)主站与相量测量装置(PMU)子站之间实时数据的传输频率

同时又不影响WAMS基于PMU实时数据的各类高级应用

提出了一种实现PMU实时数据“三段式变频传输”方法。对PMU数据的应用现状和应用场景进行了分析总结

在此基础上提出了PMU实时数据的“三段式变频传输”方法

将PMU实时数据分为A

C三段

在电网正常运行时

PMU子站以较低传输频率传输PMU实时数据

当PMU子站在检测到电网发生扰动时

PMU子站立即以较高传输频率先传输缓冲区内的A段数据

然后再继续以较高传输频率传输扰动过程中的B段实时数据

直至扰动消失后

再将传输频率降低

传输C段实时数据。通过对现行的PMU通信规约进行扩展

实现了与现有通信规约兼容的PMU实时数据“三段式变频传输”方法。最后

通过仿真验证了该方法的可行性及效果。

Abstract

In order to reduce the frequency of real-time data transmission between (WAMS) and phasor measurement unit (PMU)

without affecting the advanced applications of WAMS

this paper presents a “three-segment variable rate transmission” method of the PMU data. The status of the WAMS/PMU application is introduced

and application scenarios for PMU data are summarized. And then “three-segment variable rate transmission” of PMU real-time data that divides PMU data transmission into 3 segments is proposed. During steady state

PMUs will transmit real-time data at rate FL. When disturbance occurs

firstly PMU will send out A-segment data in buffer immediately. Then B-segment data during disturbance will be transmitted at rate FH

and finally reporting rate will be lowered to FL to transmit C-segment data after disturbance. By extending the existing PMU

a “three-step variable rate transmission” method compatible with the existing PMU communication protocol is achieved. Finally

the feasibility and effectiveness of the method is verified via simulation. This work is supported by National Natural Science Foundation of China （No. 61233007）

State Grid Corporation of China and Electronics and Information Industry Development Foundation of China.

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