GE Multilin UR6CH自动化控制模块
该接线图显示了典型的4线Y形连接，该连接将覆盖任何电压范围。选择S2系统设置\电流/电压配置\ VT接线：4线Y形（3个VT）设置点2½元件4线Y型连接可用于成本或尺寸限制将VT数量限制为两个的情况。通过这种连接，使用两个现有电压计算相位Vbn电压。选择S2系统设置\电流/电压配置\ VT接线：4线Y形（2个VT）设定点。只有在电压平衡的情况下，这种布线配置才能提供准确的功率测量。电压为347V L-N或更低的四线系统可以直接连接到PQM，而无需VT。选择S2 SYSTEM SETUP（S2系统设置）\ CURRENT/VOLTAGE CONFIGURATION（电流/电压配置）\VT WILING:4 WIRE WYE DIRECT（4线Y形直接）设定点。
This wiring diagram shows the typical 4-wire wye connection which will cover any voltage range. Select the S2 SYSTEM SETUP \ CURRENT/VOLTAGE CONFIGURATION \ VT WIRING: 4 WIRE WYE (3 VTs) setpoint The 2½ element 4 wire wye connection can be used for situations where cost or size restrictions limit the number of VTs to two. With this connection, Phase Vbn voltage is calculated using the two existing voltages. Select the S2 SYSTEM SETUP \ CURRENT/ VOLTAGE CONFIGURATION \ VT WIRING: 4 WIRE WYE (2 VTs) setpoint. This wiring configuration will only provide accurate power measurements if the voltages are balanced Four-wire systems with voltages 347 V L-N or less can be directly connected to the PQM without VTs. Select the S2 SYSTEM SETUP \ CURRENT/VOLTAGE CONFIGURATION \ VT WIRING: 4 WIRE WYE DIRECT setpoint.
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