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电力系统实时相角测量高速数据采集卡设计

Zhi-ming SHA,Yu-qian HAO, Yu-shan HAO,Yi-han YANG

ELECTRIC POWER AUTOMATION EQUIPMENT（2005）

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Abstract
为实时相角测量装置开发了基于Compact PCI总线的高速数据采集卡.采用多路模拟量同步采样方式,在采样触发环节引入数字锁相环,使采集卡在电网频率改变时能自适应调节采样频率,实现每周期等相位触发采样,提高了采样精度.采集卡数据传输总线采用Compact PCI总线,使系统具备了可热插拔、易于扩展和通用性强等特点.在QNX实时操作系统平台上开发了数据采集软件,提高了数据采集系统的实时性.
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