This letter presents a DC break for a waveguide developed for transmission coefficient higher than 90% at 2.45 GHz and for 100 kV of high-voltage insulation. The DC break consists of 15 dielectric sections (G-10) inserted between metal sections (Al) with WR340 flanges. Experimental results demonstrate high-voltage insulation up to 110 kV without any discharges and 97% of power transmission efficiency. The developed DC break achieves three times greater performance than that of previous DC breaks in the perspective of insulation and compactness. The waveguide DC break enables the operation of a cost-effective and compact microwave transmission system in a high-voltage environment while avoiding the usage of a high-voltage isolation transformer.

中文翻译：

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用于 2.45 GHz 和 100 kV 绝缘功率传输的波导直流断路器的开发

这封信展示了为 2.45 GHz 传输系数高于 90% 和 100 kV 高压绝缘而开发的波导的直流中断。直流断路器由 15 个介电部分 (G-10) 组成，插入金属部分 (Al) 和 WR340 法兰之间。实验结果表明，高达 110 kV 的高压绝缘没有任何放电和 97% 的电力传输效率。开发的直流断路器在绝缘性和紧凑性方面实现了比以前的直流断路器高三倍的性能。波导直流断路可在高压环境中运行经济高效且紧凑的微波传输系统，同时避免使用高压隔离变压器。