电推力器电磁辐射测试透波副舱性能评价

摘要

To acquire the electromagnetic interfere( EMI) from a electric thruster in operating, it is necessary to execute the thruster ’s EMI test. During the test, thrusters must be operated in vacuum. A fiberglass side-chamber has been hereby fabricated to mate to a large vacuum stainless steel chamber. In view of design requirement of the chamber, the performance evaluation method for the chamber is proposed from transparent capacity, operating thermal characteristics and ultimate vacu-um. The operating characteristics and the evaluating results of the chamber are introduced. The evaluating results offer relia-ble appling evidence for the chamber used in EMI test.%为了获得电推力器工作时的电磁辐射干扰( EMI)数据，通过试验对电推力器的电磁辐射开展测试，测试时推力器必须工作在具有良好透波性的真空副舱内，根据此需求研制了一种集成于现有不锈钢真空室主舱的玻璃纤维透波副舱，针对研制的透波副舱设计指标，提出了从透波率、工作热特性和系统极限真空等方面开展透波副舱综合性能评价的方法。通过测试获得的透波副舱工作特性以及分析评价结果，为透波副舱用于推力器产品电磁辐射试验提供了可靠依据。