The distributed parameters of signal path of high frequency relay are the main factors that influence the radio frequency (rf) performances of relay.

高频继电器信号路径的分布参数是影响继电器射频(RF)性能的主要因素。

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The discontinuity regions which influence the rf performance of high frequency are optimized and finally the rf performance of the relay is improved greatly within the working frequency.

对高频继电器RF性能影响较大的不连续结构进行优化，使高频继电器的RF性能在工作频率下得到较大的提升。

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This paper presents that the protection for the phase to phase fault should be composed of high frequency teleprotection channel and overreached distance relay.

提出只有将高频通道、超范围距离元件配合构成允许式纵联距离保护，才能保护同杆双回线跨线不接地故障。

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