Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Hua-jun Dong"'
Publikováno v:
Applied Mechanics and Materials. :3226-3229
A closing electromagnetic mechanism for rail transit direct-current circuit breaker is designed. But it is found that the temperature is too high when the mechanism kept closing for a long time because of the coils high power. Based on the theory of
Publikováno v:
Applied Mechanics and Materials. :3213-3216
In this paper, mainly for the problem that high voltage circuit breaker closing at the random phase can bring hard harmfulness to the power system. We design the 35kV SF6-Phase Control circuit breaker can control speed smartly, and opens or closes wi
Publikováno v:
Applied Mechanics and Materials. :660-663
C-GIS is one of China's emerging medium - voltage electrical equipment packages. It is of small size, high reliability, adaptive advantages of diversity and changing environmental conditions. With the development of smart grid in China, C-GIS to the
Publikováno v:
Advanced Materials Research. :2949-2952
Steel wire rope is extensively used in engineering as a kind of flexible component, it is very important to guarantee the security and reliability of steel wire rope. In this paper, the texture characteristics of steel wire rope, such as smoothness a
Publikováno v:
Applied Mechanics and Materials. :860-863
Vacuum circuit breaker is one of the major critical components that controls and protects the power system. The breaking capability of the vacuum switch directly affects the safety of the power system. However, the breaking capability of the vacuum s
Publikováno v:
Advanced Materials Research. :2159-2162
The existence of noises have great interference on image processing, so the elimination of image noise is of great importance. In this paper, based on the digital image processing, the methods of average filter, wiener filter, median filter, two-dime
Publikováno v:
Advanced Materials Research. :915-918
In order to improve the precision and efficiency of the size measurement of mechanical parts, in this paper the size measurement of mechanical parts based on image processing system is designed , and the digital image processing is applied, meanwhile
Publikováno v:
Applied Mechanics and Materials. :1136-1139
The morphology of plasma jet (PJ) directly demonstrates whether the procedure of spray processes is stable. The paper proposes an acquisition system of PJ images and an improved edge detection method is presented to get the morphology of PJ. Firstly,
Publikováno v:
Applied Mechanics and Materials. :872-875
The forms and the V-I characteristics of vacuum arc have great influence in the vacuum circuit breakers’ protection and control of power system. An experimental set-up was thus designed for vacuum switching arc measurement of V-I characteristics wa
Publikováno v:
Applied Mechanics and Materials. :2615-2618
In order to diagnose the arc shape and the plasma parameters of vacuum switching arc effectively, it is necessary to do digital image processing on the arc images. The noises interfere greatly in the digital image processing of the arc, it makes imag