Optical figure calibration device based on FPGA and DSP for merging unit
DOI:10.7667/PSPC171799
Key Words:optical figure  calibration  merging unit  electronic transformer
Author NameAffiliation
CHAO Wujie State Grid Fujian Electric Power Research Institute, Fuzhou 350007, China 
TANG Zhijun State Grid Fujian Electric Power Research Institute, Fuzhou 350007, China 
LIN Guodong State Grid Fujian Electric Power Research Institute, Fuzhou 350007, China 
ZHAI Bolong State Grid Fujian Electric Power Research Institute, Fuzhou 350007, China 
HUANG Biao Fujian Yirong Information Techin, Fuzhou 350003, China 
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Abstract:High-performance optical digital calibration device helps to improve the reliability and efficiency of electronic transformer combined unit. Aiming at the problem of communication packet processing capability and synchronization of electronic transformer merging unit test, an optical digital calibration device based on FPGA and DSP is designed. The optical digital calibration device design principles and technical difficulties are analyzed. The design scheme based on FPGA and DSP is studied. The concrete components of FPGA, Blackfin DSP and man-machine interface are introduced in detail. And then the processing flow of FPGA and Blackfin DSP is studied in depth. Finally, the optical digital calibration device and the digital power test platform DRM perform joint test. The test results show that the optical digital calibration device based on FPGA and DSP can not only meet the functional requirements of the unit test, but also has good real-time performance. This work is supported by Science and Technology Project of State Grid Fujian Electric Power Company (No. 521304150043).
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