电器与能效管理技术 ›› 2022, Vol. 0 ›› Issue (3): 56-62.doi: 10.16628/j.cnki.2095-8188.2022.03.009

• 电器设计与探讨 • 上一篇    下一篇

基于dsPIC30F系列芯片和准同步采样算法的三相电量采样装置设计

赵煜, 杨玺, 陈皓, 王然, 王秋银, 杨婷娜, 鄢顺才   

  1. 云南省能源研究院有限公司, 云南 昆明 650500
  • 收稿日期:2021-11-28 出版日期:2022-03-30 发布日期:2022-04-28
  • 作者简介:赵煜(1982—),男,高级工程师,主要从事电气工程研究。|杨玺(1987—),男,高级工程师,博士,主要从事电气自动化研究。|陈皓(1993—),男,主要从事电气工程研究。
  • 基金资助:
    云南省重点研发计划项目(2018BA062)

Design of Three-Phase Electric Quantity Sampling Device Based on dsPIC30F Series Chip and Quasi-Synchronous Sampling Algorithm

ZHAO Yu, YANG Xi, CHEN Hao, WANG Ran, WANG Qiuyin, YANG Tingna, YAN Shuncai   

  1. Yunnan Energy Research Institute Co.,Ltd., Kunming 650500, China
  • Received:2021-11-28 Online:2022-03-30 Published:2022-04-28

摘要:

设计了一种新型三相电量采集装置,能实现对电网电压、电流、谐波等电量参数的高精度采样。装置CPU采用高性能带DSP运算内核的 dsPIC30F6014A系列单片机,利用准同步采样原理的交流电气参数采样测量方法,数据采样过程中不需要与电网频率严格保持同步。通过对电量采集装置的验证,在保证装置采样精度的前提下,实现了结构简单、运行可靠的目的和效果。

关键词: 电量采样装置, 准同步采样, dsPIC30F6014A, 电量参数

Abstract:

A new three-phase electric quantity acquisition device is designed,which can realize the high-precision sampling of electric quantity parameters such as voltage,current and harmonic.The CPU of device adopts dsPIC30F6014A series single chip microcomputer with high-performance DSP operation core.The AC electrical parameters sampling and measurement method based on quasi-synchronous sampling principle is used.In the process of data sampling,it is not necessary to keep strict synchronized with the power grid frequency.Through the verification of the electric quantity acquisition device,the purpose and the effect of simple structure and reliable operation are realized on the premise of ensuring the sampling accuracy of the device.

Key words: electric quantity sampling device, quasi-synchronous sampling, dsPIC30F6014A, electric parameter

中图分类号: