介绍一种适用于高压线路光纤纵差保护的通信方案。
This paper presents a fiber communication scheme applied to the current differential protection of the high voltage transmission line.
此方案可提高保护的灵敏度，同时为光纤纵差保护采用异步通信方式提供可能，达到降低保护装置成本的目的。
This scheme can improve sensitivity of protection, and make it possible to asynchronous communication for optical fiber differential protection, and reduce cost of protection set.
分析了影响光纤电流纵差保护正常的原因，提出了旁代时通道的切换方案以及日常运行管理的几点建议。
Analysis of factors impacting on operation of optic protections, putting forward channel switch scheme of fiber protection when bypass breaker as line breaker.
应用此继电器，结合常规的光纤纵差和过流保护，从而构成一个完备的保护方案。
To solve th is problem, the inter-block reverse overcurrent relay is proposed in this paper , which makes more substations′ connection possible.
应用此继电器，结合常规的光纤纵差和过流保护，从而构成一个完备的保护方案。
To solve th is problem, the inter-block reverse overcurrent relay is proposed in this paper , which makes more substations′ connection possible.
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