For dependability, security of the power plant and transformer substation with DC system, offer effective measuring and maintenance means.
为发电厂和变电站直流系统的可靠性、安全性，提供有效的检测和维护的手段。
It is the target of remote maintenance that the dispatch control center can dial and transfer parameters to RTU in substation.
远程维护是为了使调度控制中心可以实现对变电站内rtu的远程拨号、参数下传等维护功能。
Maintenance free accumulator and advanced charging equipment provide reliable security for safety running and maintenance of a substation.
免维护蓄电池及先进的充电设备为变电所的安全运行及维护提供了可靠的保障。
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