介绍了正温度系数热敏电阻PTCR耐雷电波冲击测试仪的工作原理和基本性能。
This paper presents the theory and performance of the tester for PTCRs endurance of being struck by lightning.
直流电磁铁是广泛应用的电磁控制元件，PT C元件是具有正温度系数特性的半导体陶瓷热敏电阻。
Direct current electromagnet is extensively used as electromagnet controlling element. PTC element is a ceramic thermistor with positive temperature coefficient.
在非线性电阻消谐方式下，正温度系数(PTC)热敏电阻和三次谐波滤波器可以较好地解决零序电压偏高的问题。
Positive temperature coefficient (PTC) thermistor and triple frequency harmonic filter can reduce zero sequence voltage when a nonlinear resistance is used to prevent ferroresonance.
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