Continuing life test of a xenon hollow cathode for a space plasma contactor
Continuing life test of a xenon hollow cathode for a space plasma contactor
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空间等离子体接触器氙空心阴极连续寿命试验
DOI：
10.2514/6.1994-3312
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发表时间：
1994
期刊：
影响因子：
--
通讯作者：
Timothy R. Sarver
中科院分区：
文献类型：
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作者：
Timothy R. Sarver
在空间站上实施用于电荷控制的空心阴极等离子体接触器需要验证长寿命空心阴极。作为等离子体接触器开发计划的一部分，启动了空心阴极和空心阴极等离子体接触器的测试系列。正在进行的空心阴极的磨损测试已经证明阴极操作超过10，000小时，操作参数变化很小。在试验期间，排放装置经历了10次关闭，所有这些都是由于试验设施故障或排出剂补充造成的。在所有情况下，阴极在约42伏下重新点燃并恢复典型操作。该测试代表了迄今为止报道的高电流（大于1 A）氙空心阴极的最长证明稳定操作。
Implementation of a hollow cathode plasma contactor for charge control on the Space Station has required validation of long-life hollow cathodes. A test series of hollow cathodes and hollow cathode plasma contactors was initiated as part of the plasma contactor development program. An on-going wear-test of a hollow cathode has demonstrated cathode operation in excess of 10,000 hours with small changes in operating parameters. The discharge has experienced 10 shutdowns during the test, all of which were due to test facility failures or expellant replenishment. In all cases, the cathode was re-ignited at approximately 42 volts and resumed typical operation. This test represents the longest demonstrated stable operation of a high current (greater than 1 A) xenon hollow cathode reported to date.