2) high-voltage power supply and distribution system
高压供配电系统
1.
According to the usable principle, the paper analyzes the reliability and characteristics of high-voltage power supply and distribution system of IT room, and puts the emphasis on the auto-transfer unit and temporary parallel connection.
本文用系统可用性原理分析了网络机房高压供配电系统的可靠性和特点,重点分析备用电源自动投入装置和合环操作的原理及特点,得出了三个重要结论:“两路电源一用一备”高压供配电系统可靠性不高,不适合网络机房;“两路电源同时工作、互为备用”方案具有比较高的性价比;“并路倒闸”提高了系统的可靠性。
4) high-voltage DC traction power supply system
高压直流牵引供电系统
1.
After simple introduction of All-Parallel AT Power Supply system, 3 schemes about how to determine the voltage of high-voltage DC traction power supply system were put forward, then the structure of the form of trolley line at different levels of DC voltage was established.
高压直流牵引供电系统可以有效地解决这些问题,成为未来我国铁路发展的研究方向之一。
2.
The paper introduced to the composition of the traction power supply system,and detail how to choose the voltage level from two aspects of the stray current and the isolation switch,preliminary draw a conclusion that the voltage of high-voltage DC traction power supply system was 35 kV.
详细分析了我国直流牵引制和单相工频交流牵引制目前存在的主要问题,提出了用高压直流牵引供电系统集中解决这些问题的构想。
5) High voltage direct current UPS power sup-ply system
高压直流UPS供电系统
6) multi-voltage power apply system
多电压供电系统
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