Open AccessVacuum Switch Contact Position Detection Based on Labview
Author(s) -
Liang Ma,
Zhengqi Wang,
Chong Sangwoo
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/562/1/012160
Subject(s) - arc (geometry) , position (finance) , process (computing) , vacuum arc , software , enhanced data rates for gsm evolution , computer science , computer vision , edge detection , high speed camera , artificial intelligence , virtual instrument , simulation , image processing , computer hardware , engineering , image (mathematics) , electrical engineering , mechanical engineering , cathode , finance , economics , programming language , operating system
Arc shape of vacuum switch is one of the main influencing factors of the breaking performance of vacuum switch. The contact opening distance directly affects the development of arc shape. How to accurately detect the real-time position of the contact and calculate the contact distance is of great significance. Therefore, based on Labview virtual instrument technology, a software and hardware system for real-time position detection of contacts for vacuum interrupter is designed. The system collects the arc image during the vacuum switch opening process by high-speed camera, and then uses the virtual instrument development platform Labview as the programming software to process the arc image and analyze the edge features. Finally, the edge information detected is used for fitting, to realize pinpoint of the moving and static contacts. The experimental results show that the detection system can accurately detect the real-time position of the contact. It has the characteristics of high detection efficiency, stable operation and easy operation. The detection results provide technical support for analyzing the vacuum switch arc shape.