2) low voltage electrified wire netting in mine
井下低压电网
1.
Combined with present situation on overcurrent protection of low voltage electrified wire netting in mine,analysed several reasons on appeared mis-start or refuse-start of overcurrent protection in mine,thus provided some concrete arguments for research workers and users of overcurrent protection.
结合目前井下低压电网过流保护的现状,探讨了井下过流保护出现误动与拒动的诸多原因,以便给采用新原理的过流保护的研究者和改进现有过流保护的使用者提供一些具体的论据。
3) high voltage distribution network of mine
矿井高压配电网
5) underground electric network
井下电网
6) high-voltage power network
高压电网
1.
The breaker often took place unselective overstep tripping when short circuit fault occurred in mine high-voltage power network,which is a technical problems and potential safety hazard of underground power supply existed for a long time.
煤矿高压电网发生短路故障常导致无选择性越级跳闸,这是井下供电长期存在的安全隐患和技术难题。
2.
the authors developed a kind of device using for Protecting leak elecincity of high-voltage power network.
研制成功一种适合于现有煤矿高压电网中性点不同运行方式下的微机式选择性漏电保护装置。
3.
To solve the problem that mine high-voltage power network with neutral grounded by arc suppression coil is difficult to select line,the paper proposed a method of transient component line selection leakage protection based on wavelet analysis.
针对中性点经消弧线圈接地的矿井高压电网选线困难的问题,文章提出了一种基于小波分析的暂态量选线式漏电保护方法。
补充资料：高压线走廊（高压架空线路走廊）
在计算导线最大风偏和安全距离情况下，35kV及以上高压架空电力线路两边导线向外侧延伸一定距离所形成的两条平行线之间的专用通道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条