WANG Wei-bing, SUN Yong-jie, LIU Wei-dong. The Design and Implementation of Trigger Circuits for SCR Based on Single Chip Micyoco and FPGA[J]. 2009, 14(3): 1-4.
WANG Wei-bing, SUN Yong-jie, LIU Wei-dong. The Design and Implementation of Trigger Circuits for SCR Based on Single Chip Micyoco and FPGA[J]. 2009, 14(3): 1-4.DOI:
单片机和FPGA的可控硅触发电路的设计与实现
摘要
针对模拟集成可控硅触发电路因元件的分散性
各触发器移相控制存在不一致的问题
设计了基于单片机和FPGA的数字式可控硅触发电路
利用A/D转换器将模拟的电压控制量预处理为数字信号量
经由脉冲同步、移向
产生满足要求的可控硅门级触发脉冲.试验结果表明
该数字式可控硅触发电路
控制精确度高
触发角α的控制误差在0.09°~0.66°范围内.
Abstract
Aim at the inconsistencies of trigger phase-shifting in integrated analog SCR trigger circuits caused by the dispersity of components
a digital SCR trigger circuits is designed based on FPGA and single-chip.Preprocessed analogous signals is converted to digital quantities by A/D.Through pulse synchronizing
phase shifting
the qualified pulse for SCR is produced at last.The results show that these digital SCR trigger circuits have high precision
the difference of trigger angle α is with in 0.09°~0.66°.