WAGO 750-495/040-00 Series Manual page 122

122 Connect Devices
Figure 29: Connection Schematic for Ungrounded 3-Phase Network with Neutral Conductor for
Power Measurement with the 3-Wattmeter Method for U
U
LL
Table 36: Legend for Figure "Connection Schematic for Ungrounded 3-Phase Network with Neutral
Conductor for Power Measurement with the 3-Wattmeter Method for U
U
LL
No. Explanation
1 Generator:
Generator or transformer in Y connection, without grounding
2 Loads with impedances (Zx):
- Load connection: in Y connection
- Load type: symmetrical (I
3 Current transformer (CT4) for current measurement in the neutral
conductor (optionally; for the measurement the topology "4-Wire Wye"
("4-W") must be selected)
4 Connection terminal N:
Reference potential for all voltage inputs and differential current inputs
Manual
Version 1.2.0
750-495/040-00x 3-Phase Power Measurement Module 690 V
≤ 600 V
RMS
≤ 600 V "
RMS
WAGO-I/O-SYSTEM 750 XTR
LN
= 0) or asymmetrical (I
N
* ≤ 346 V and
RMS
* ≤ 346 V
LN RMS
≠ 0)
N
and