four-wire

Three-phase winding, four-wire connection, ungrounded or grounded.

三相 绕组, 四线连接, 接地或不接地.

Is the device configured for two wire or four wire systems?

设备是配置为二线制或四线制的系统 吗 ?

In this paper, instantaneous reactive power theory using in three-phase four-wire system was discussed at first.

讨论了在三相四线制系统中瞬时无功功率理论和有源电力滤波器的研究结果.

Two-phase winding, four-wire connection. Ungrounded or grounded can be specified.

两相绕组, 四线连接. 可指定不接地或接地.

Especially three-phase four-wire active power filter hardware has simple structure with only three group switch device.

特别是三相四线制有源电力滤波器硬件结构简单,只有三组开关器件.

Three-phase winding, four-wire connection. Ungrounded or grounded can be specified.

三相 绕组, 四线连接. 可指定不接地或接地.

Two-phase winding, four-wire connection, ungrounded or grounded.

两相绕组, 四线连接, 接地或不接地.

In the Three phase and Four wire circuIt'system, the neutral wire is very important.

在三相四线制供电系统中, 中性线是非常重要的.

To component values accurately, most testers can make two-wire, three wire, or four-wire measurements.

为了使测试更加精确, 很多测试设备可以构成两线 、 三线或四线测量.

Moreover, three-phase four-wire active filters can suppress line current, and solve symmetric problem of system effectively.

另外, 三相四线制有源电力滤波器能有效地抑制零线电流, 并能有效地解决系统的不对称问题.