Output voltage adjustment of a pulsed high-voltage nanosecond generator with inductive energy storage and a solid-state switching system

Korzhenevskiy, S. R.; Komarskiy, A. A.; Chepusov, A. S.; Bessonova, V. A.; Титов, В. Н.

doi:10.1134/s0020441217010213

Cited by 11 publications

(1 citation statement)

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“…With the continuous development of science and technology and the continuous improvement of economic level, the requirements for the safety and stable operation of the system have been gradually improved [1][2][3]. At present, the industrial field is also gradually realizing automation, highspeed, and continuous development.…”

Section: Introductionmentioning

confidence: 99%

Real-Time Monitoring of High Voltage Switch Based on CAD

Long¹,

Xiao²,

Hu³

et al. 2022

Advances in Multimedia

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In the process of online real-time monitoring of intelligent digital filter high-voltage switchgear, the mechanical state diagnosis of high-voltage circuit breaker is based on fully understanding the mechanical characteristics of each component of circuit breaker. In this paper, K-means clustering algorithm is applied to the mechanical state detection of digital filter high-voltage switchgear. The mechanical state of the digital filter high-voltage switchgear is monitored in real time by using 126 kV GIS. Through fault simulation experiment and mechanical stability experiment, the corresponding changes of characteristics of each mechanical component of circuit breaker in signal waveform and corresponding data changes are found. The experimental results show that this method has good running speed and stability and is more suitable for the real-time monitoring of intelligent digital filter high-voltage switchgear.

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Section: Introductionmentioning

confidence: 99%

Real-Time Monitoring of High Voltage Switch Based on CAD

Long¹,

Xiao²,

Hu³

et al. 2022

Advances in Multimedia

View full text Add to dashboard Cite

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The pulsed X-ray radiation source based on a semiconductor opening switch with the focal point diameter of 0.5 mm and its application

Komarskiy

Korzhenevskiy

Chepusov

et al. 2019

Review of Scientific Instruments

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This investigation is devoted to developing a pulsed X-ray radiation source. The high-voltage pulse generator is based on an inductive energy storage unit and a semiconductor opening switch, and the latter ensures a high pulse repetition rate. A high-voltage pulse generator has the following parameters: the pulse voltage amplitude up to 120 kV, the pulse current up to 180 A, the current pulse duration at 50% of the peak height of about 20 ns, and the pulse repetition rate up to 5 kHz. The source works consistently when the pulse repetition rate is increased. We developed the designs of an anode and an explosive emission cathode for the pulsed X-ray tube with the focal point of 0.5 mm, used in the experiments. The setup which makes it possible to investigate demountable models of pulsed X-ray tubes is described in this paper. We believe there are advantages of using an X-ray source with the flare duration of about 20 ns and the pulse repetition rate up to 5 kHz over continuously working X-ray sources. The source is unique for some problems, such as studying high-speed processes. The experiments have shown that a pulsed X-ray source works consistently together with a digital detector, and the generation of X-ray flares is easily synchronized with the detector and the rotation system. In the article, we discuss the issues of reducing image blurring for computerized tomography purposes, caused by fast rotation of the source and the detector relative to the object of investigation and reducing the radiation exposure of the investigated object. We also set further objectives of the investigation and present perspectives and limitations of this source.

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