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为ＨＬ－１Ｍ装置上的ＬＨＣＤ和ＥＣＲＨ长脉冲大功率微波系统研制的高压调制电源，已达到了－７０ｋＶ、３５Ａ的输出指标。应用该电源首次实现了ＴＭ－７０３Ｆ型大功率调整管在１ｓ长脉冲下的运行和双大功率高压调制器的并联运行，在没有ＣＲＯＷＢＡＲ保护系统的情况下采用有效的快速保护措施实现了长期的稳定可靠运行。
The high-voltage modulation power developed for the LHCD and ECRH long-pulse high-power microwave systems on HL-1M devices has reached the output of -70kV and 35A. The application of the power supply for the first time realized the operation of the TM-703F high-power regulating tube under the long pulse of 1s and the parallel operation of the dual high-power high-voltage modulator. The effective rapid protection without the CROWBAR protection system realizes the long-term Stable and reliable operation.