|Table of Contents|

Experimental research on discharge characteristics of plasma contactor(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2019年03期
Page:
81-86
Research Field:
测控与试验
Publishing date:

Info

Title:
Experimental research on discharge characteristics of plasma contactor
Author(s):
FENG Jie;  WANG Yanlong;  LIU Mingzheng;  TIAN Licheng;  LIU Shiyong;  ZHANG Jianxin
(Science and Technology on Vacuum Technology and Physics Laboratory,Institute of Physics,Lanzhou 730000, China)
Keywords:
plasma contactor;  volt-ampere characteristics;  positive resistance characteristic;  negative resistance characteristic
PACS:
V439
DOI:
-
Abstract:
In order to study the volt-ampere characteristics of plasma contactor, an experiment was designed and conducted to test the volt-ampere characteristics of single and double plasma contactors.In addition, the variation of the clamp voltage, bias voltage and contact voltage of the plasma contactor with the bias current is given.The test results show that the increase of the air supply rate is beneficial to the improvement of discharge efficiency.There is a different law between the clamp voltage, the keeper voltage and the bias current of the plasma contactor.The former shows positive resistance characteristic, while the later shows negative resistance characteristic.Two plasma contactors affect each other while working simultaneously.When the rated value is 5 A, the emission currents of two contactors are 8 A and 2 A, respectively.Therefore, when using double contactors at the same time, the volt-ampere characteristics should be adopted as close as possible to reduce the difference.

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Last Update: 2019-06-30