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Study of dynamic recorder of power system based on embedded technology
KANG Zhong-jian1,2,CHENJie2,GUO Zhi-zhong3
(1. College of Information and Control Engineering in China University of Petroleum,Dongying 257061, Shandong Province, China ;2. XJ Electric Limited Company, Xuchang 461000, Henan Province, China;3. Department of Electric Engineering in Harbin Institute of Technology,Harbin 150001, China )
Abstract:
A dynamic continuous recorder of power system was designed on the basis of Nuclues Plus and WinCE double embedded operation system,and its principle,structure and characteristics were described. The recorder overcomes the defects of general oscillograph,and is characterized by high reliability,high precision,GPS high-speed and synchronous samplings. Both the stable and the transient data of power system can be recorded with a low sampling rate and a high-speed sampling rate accordingly in the recorder. It can be widely used in the dynamic monitoring system of power system. And the method proposed can be applied to design the embeddied control equipment in other industry.
Key words:  dynamic continuous recorder  phase measuring  GPS synchronous sampling  embedded technology