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计算机工程 ›› 2007, Vol. 33 ›› Issue (02): 208-210. doi: 10.3969/j.issn.1000-3428.2007.02.073

• 工程应用技术与实现 • 上一篇    下一篇

TMS320LF2812在电力系统测频测相装置中的应用

王德意1,罗兴锜1,闫 伟1,邱锦东2   

  1. (1. 西安理工大学电力工程系,西安 710048;2. 云南德宏电力股份有限公司,潞西 678400)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-01-20 发布日期:2007-01-20

Application of TMS320LF2812 in Frequency and Phase Angle Measurement

WANG Deyi1, LUO Xingqi1, YAN Wei1, QIU Jindong2   

  1. (1. Department of Electrical Engineering, Xi’an University of Technology, Xi’an 710048; 2. Yunnan Dehong Electric Power Co., Ltd., Luxi 678400)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-01-20 Published:2007-01-20

摘要: 提出了一种基于数字信号处理器(DSP)的测频测相方法,用于同步发电机微机励磁系统中机组频率及机端电压电流相位差的测量,与传统的单片机、PLC或FPGA测频测相装置相比,其硬件电路大为简化,测频测相装置的可靠性极大提高,而且测频测相精度较高,提高了发电机励磁控制的可靠性和控制精度。

关键词: 频率相位测量, 数字信号处理器, 事件管理器, 励磁控制

Abstract: this paper presents a new method of frequency and phase angle measurement based on digital signal processor(DSP). Compared with singlechip, PLC or FPGA measurement devices and others, measurement device based on this method is of high precision and reliability and the hardware circuit is greatly simplified, so that the precision and reliability of excitation control are greatly raised.

Key words: Frequency and phase angle measurement, Digital signal processor, Event manager, Excitation control