Railroad signal power system is a special supply power source for train running. The high reliability is required. Thus, its supervisor and control become very important.

铁路信号电源系统是专门给列车运营信号供电的，其可靠性要求非常高，因此，对铁路信号电源的监视和控制十分重要。

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Railroad signal power system is a special supply power source for train running. The high reliability is required. Thus, its supervisor and control become very important.

铁路信号电源系统是专门给列车运营信号供电的，其可靠性要求非常高，因此，对铁路信号电源的监视和控制十分重要。

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