grounded phase wire 接地相线
phase wire 相线
three phase four wire system 三相四线制
phase-wire 相线
-phase -wire system 三相四线系统
phase three wire system 单相三线制
Effective shielding can be achieved by reducing the breakdown probability of the gap between shielding wire and phase conductor.
提高避雷线保护的有效性可以通过减小避雷线—相导线间隙击穿概率来达到。
The equipment should be placed on the ground without violent vibration or on the working stage and connected in the power grid of 380v with three phase and four wire.
设备应放置在无剧烈振动的地面或工作台上，接入三相四线380v的电网。
In this paper, two types of main power circuits and their control methods are introduced when constructing active power filter in three phase four wire system.
本文介绍了在实现三相四线制有源电力滤波器时所采用的两种不同的主电路结构及其控制方法。
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