本文重点阐述LH集成电路与保护信号装置原理，并分析弱电保护干扰问题及抗干扰措施。
In this paper, the principles of LH integrated circuit and signalling are introduced. The problems of disturbance and adopted measures against disturbance are also analyzed.
对保护装置的硬件设计及保护原理进行了介绍，并给出了对信号进行处理的算法。
The hardware design of the presented protection device, the theory of protection and the algorithm of s...
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