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1)  LV three-phase power system
低压三相供电系统
1.
This Paper analyzes the principle of various measure of electric shock safeguard in LV three-phase power system,elaborates various wiring formats,pay attention to the problems when the leakage current operated protective device is used in different power system.
本文分析了低压三相供电系统中各种防触电保护方式的原理 ,阐述了各种不同供电系统的接线形式 ,指出了在不同的供电系统中使用漏电保护器时应注意的问
2)  low-voltage power supply system
低压供配电系统
1.
Optimal selection of the cable in low-voltage power supply system
低压供配电系统中电缆的优化选择
3)  three-phase power supply system
三相供电系统
1.
In the three-phase power supply system in mining wells,the method to detect the single-phase breakdown earth phase in the system of neutral point unconnected to earth is the next to the phase with the highest voltage in the three-phase voltage is the breakdown phase.
在矿井三相供电系统中,中性点不接地系统中单相故障接地相的判断法:三相电压中以指示值最高相为依据,按相序顺序往下推移一相才是故障相。
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4)  low pressure water system
低压供水系统
5)  multi-voltage power apply system
多电压供电系统
6)  low-voltage power supply
低压供电
1.
According to the calculation principle of low-voltage power supply system,the paper analyzes the problems occurred during the calculation in low-voltage power supply design and puts forward to use the advantages of using new equipment and new technology,which solves the difficulties in power supply design.
根据低压供电系统的整定计算原则,分析了低压供电设计计算中遇到的问题,提出了利用新设备和新技术的优势,解决供电设计中的难题。
2.
In view of the factors such as harmonic wave and voltage fluctuation of the low-voltage power supply system that damage the electromechanical equipment,the design of three-level protective energy-conservation arrangement is adopted.
针对低压供电系统因谐波和电压波动等因素给机电设备造成的危害,采用三级保护、节能布控设计,既提高了功率因数、节能效果显著,又降低了事故率、大大提高了低压供系统的安全可靠性。
3.
According to the calculation principle of low-voltage power supply system, the paper analyzes the problems occurred during the calculation in low-voltage power supply design and puts forward to use the advantages of using new equipment and new technology, which solves the difficulties in power supply design.
根据低压供电系统的整定计算原则,分析了低压供电设计计算中遇到的问题,提出了利用新设备和新技术的优势,解决供电设计中的难题。
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补充资料：城市供电系统 power supply system
由城市供电电源，输配电网和电能用户组成的总体。
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