This paper introduces CPLD realization of frequency measure in digital relay protection equipment powered by DSP.
介绍了基于DSP的微机继电保护装置中频率测量的CPLD实现。
Furthermore, the energy supply system for distribution feeder protection is designed and solar-powered model is proposed.
并对配网保护系统的供能系统进行了设计，提出了太阳能电池板供电的模式。
This product using solar-powered, built-in battery to use environmentally-friendly batteries, saving energy also played a role in environmental protection.
本产品用太阳能供电，内置蓄电池使用环保电池，既节省了能源又起到了环保作用。
The automatic protection device is positioned between the battery and the power source management module and is powered directly by the battery.
一水触发装置，用于感测湿度信息并控制自动保护装置的状态；
The automatic protection device is positioned between the battery and the power source management module and is powered directly by the battery.
一水触发装置，用于感测湿度信息并控制自动保护装置的状态；
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