Transient analysis of surge immunity test for intrinsically safe sensor
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摘要: 针对正向浪涌（冲击）抗扰度试验中，本安型传感器直流电源端口电压出现较长时间反向缺口而导致难以实现判据A的问题，以一种典型的矿用本安型甲烷传感器为研究对象，采用ADS仿真软件对组合波发生器、耦合去耦网络和本安型传感器等效电路进行了仿真建模，搭建了本安型传感器直流电源端口浪涌（冲击）抗扰度试验仿真电路，并根据暂态仿真波形分析了试验暂态过程。研究结果表明，本安型传感器直流电源端口电压反向缺口是浪涌保护器件动作引起的二次效应；仿真波形与实际波形一致，验证了暂态分析方法的合理性。Abstract: For problem that it was difficult to achieve evaluation grade A due to a long time reverse gap in DC power port voltage of intrinsically safe sensor in positive surge immunity test, taking a typical mine-used intrinsically safe methane sensor as research object, simulation models of combination wave generator, coupling-decoupling network and equivalent circuit of the sensor were established in ADS simulation software as well as a simulation circuit of surge immunity test at DC power supply port of the sensor. Transient process of the test was analyzed according to transient simulation waveform. The research results show that the reverse gap in DC power port voltage of the sensor is the secondary effect caused by surge protection component, and simulation waveforms are the same as the actual ones, which verify rationality of the transient analysis method.
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期刊类型引用(4)
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3. 贾娜娜. 甲烷传感器的检定与校准研究. 内蒙古石油化工. 2022(12): 47-50 . 百度学术
4. 胡德隆，刘桂秋，潘勇，孟德安. 电磁兼容浪涌(冲击)抗扰度试验新旧标准比对分析. 质量与市场. 2020(08): 16-18 . 百度学术
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