一种测试直流断路器短路瞬动保护特性的脉冲电源

A Pulse Power Supply for Testing the Short Circuit Instantaneous Protection Characteristics of DC Circuit Breaker

分析直流断路器对直流系统的重要性,以及直流断路器短路瞬动保护特性检测的现状,提出了一种无输出整流二极管的脉冲电源作为直流断路器短路瞬动保护特性测试装置的测试电源。测量脉冲电源中直流升流器的磁特性,通过实验测量电源系统的阶跃响应数据,并使用阶跃响应数据建立预测模型进行预测控制,使用matlab进行仿真。结果表明,设计的电源系统达到了设计要求。

Based on the analysis of the importance of DC circuit breaker to DC system and the current situation of DC circuit breaker short-circuit transient protection characteristic detection,a pulse power supply without output rectifier diode is proposed as the test power supply of DC circuit breaker short-circuit transient protection characteristic test device.Measure the magnetic characteristics of the DC riser in the pulse power supply,measure the step response data of the power supply system through the experiment,use the step response data to establish a predictive model for predictive control,and use matlab for simulation.The results show that the designed power system meets the design requirements.