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作 者:李峰 王亚 赵宇辉 LI Feng;WANG Ya;ZHAOYuhui(Wayon Electronics Co.,Ltd.,Shanghai 201202,China)
出 处:《仪表技术》2023年第3期59-62,共4页Instrumentation Technology
摘 要:在高压、大电流应用场景中,当电路出现短路及其他故障时,可靠、快速地切断电路至关重要。烟火式断路器具有安全、快速切断高压电流的功能,可应用于电动汽车、汽油车,以及其他高压、大电流应用场合,如工业电源储能、重型电池、可回收能源存储、电力传输系统等。随着科技的发展,更高的电压和电流对烟火式断路器的灭弧能力提出了更高的要求。在讨论发展现状的基础上,分析了烟火式断路器产品开发的技术难点,提出了对称引弧板断路器、梯度引弧板断路器和高效灭弧断路器等产品的设计方案。实践表明,科学合理的构型设计和引弧板装置设计,能使烟火式断路器产品的体积更小、响应更快、性能更可靠。In high voltage and high current application scenarios,it is very important to cut off the circuit reliably and quickly in case of short circuit and other faults.The breaker in the pyrotechnic circuit has the function of safely and quickly cutting off high voltage and current,and can be used in electric vehicles,gasoline vehicles,and other high volt-age and high current applications,such as industrial power storage,heavy batteries,renewable energy storage,power transmission systems,and etc.With the development of science and technology,higher voltage and current has higher requirements for the arc-extinguishing ability of breakers in the pyrotechnic circuit.On the basis of discussing the current situation,the technical difficulties in the development of breakers in the pyrotechnic circuit are analyzed,and the design schemes of symmetrical arc-start circuit breaker,gradient arc-start circuit breaker and high-efficiency arc-extinguishing circuit breaker are proposed.The practice shows that the scientific and reasonable configuration design and the design of the arcing plate device can make the pyrotechnic circuit breakers smaller in size,faster in response and more reliable in performance.
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