Research And Application Of Field Test Method Of High Voltage Circuit Breaker Opening Closing Speed Points

High voltage circuit breaker is an important part of China's power equipment in the closing speed of high voltage circuit breaker is one of the important factors affecting the performance of the circuit breaker.In this research,focus on the research and analysis of the high-voltage circuit breaker test method of closing speed and application.The main contents of this paper include: the first chapter is the introduction,this part of the main research and analysis of the research background and significance of this topic,research content and methods,as well as domestic and international research status.The second part is the high voltage circuit breaker closing speed test overview,this part briefly introduces the test method of high voltage circuit breaker,high voltage circuit breaker closing speed characteristic parameters and calculation method,analysis of high voltage circuit breaker closing speed measuring instrument,high voltage circuit breaker closing speed reduction factors and mechanism of high voltage circuit breaker contact.On the third part of the field testing method for high voltage circuit breaker closing speed,this part focuses on the analysis and measurement of high voltage circuit breaker,high voltage circuit breaker closing stroke switch time measurement,high-voltage circuit breaker closing speed rating and sensor selection and installation.The actual application of the fourth part test method of closing speed for high voltage circuit breaker.The last part is the conclusion of this paper.From the final results,high switching speed test method in this paper is selected and the selected sensors to meet the practical needs of the test.