Train track occupancy recognition is to determine if the train is passing over a switch and to supply reliable information for train positioning system and train control system.
列车轨道占用识别目的是在平行的多轨道区域识别列车所占用的轨道信息，为列车定位子系统或控制系统提供可靠的信息。
To satisfy demand for uninterrupted power supply, the developing scheme of double power switch controller taking M68HC908SR12 controller as main control chip was introduced.
针对不间断供电的需求，介绍了一种以m 68hc 908sr12单片机为主控芯片的双电源转换控制器的研制方案。
GTO dc chopper is adopted for the main power supply while the switch mode control with derivative feedback loop is adopted for the main controller.
主电源采用GTO直流斩波器。主控采用带微分反馈环节的开关斩控模式。
The ventilator is also equipped with wire control switch for controlling the power supply . The product features convenient installation and diversified colors as white, blue, gray and brass.
还有线控开关控制电源式，安装更方便，颜色多样化，有白色、蓝色、灰色、古铜色。
The invention relates to a control switch, in particular to a power supply control switch which is suitable for an electric heating furnace with a plane-shaped furnace surface.
本发明涉及一种控制开关，尤其是一种适用于平面状炉面电加热炉的电源控制开关。
The invention relates to a control switch, in particular to a power supply control switch which is suitable for an electric heating furnace with a plane-shaped furnace surface.
本发明涉及一种控制开关，尤其是一种适用于平面状炉面电加热炉的电源控制开关。
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