power-supply polar distance 供电极距
power supply in whole distance 全程供电
long distance power supply 远距离馈电
According to the actual situation of power supply network and protection system under mine, a long distance faults online monitoring program is presented for overcoming the short protection distance.
本文结合矿用供电网的实际情况和保护系统的现状，针对现有技术保护距离较短的缺点，提出了一种针对矿用供电线路的远距离故障在线监测的方案。
The paper lists power switches, specifications of power supply line and power supply distance under specified voltage loss for commonly-used elevators.
对常用的几种电梯列表给出电源开关、供电线路规格和在规定的电压损失下的供电距离。
This paper studied control system with the center of SPCE061A MCU, including the drive and soft-start circuit of two power supply, the key and distance control of the cleaner.
以SPCE061A单片机位核心，研制了高效、适用的控制系统，包括两个电源的驱动、软启动、净化器的按键及遥控等电路。
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