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Analysis on Status of Railway Signal lighting Circuits in Critical Ambient Temperature
Author(s): 
Pages: 49-52
Year: Issue:  5
Journal: Railway Signalling & Communication Engineering

Keyword:  铁路信号点灯电路灯丝监督继电器信号变压器灯丝转换继电器环境温度;
Abstract: 在实验室条件下,对铁路信号点灯电路进行高、低温实验.实验表明,信号点灯电路的参数-和灯丝转换继电器的电气特性随温度变化而变化.但实验也证明,只要按照<铁路信号维护规则技术标准>的要求调整电路,在-50℃~+80℃环境温度下,电路能够可靠工作.
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