164 Connect Devices
WAGO-I/O-SYSTEM 750 XTR
750-495/040-00x 3-Phase Power Measurement Module 690 V
Manual
Version 1.2.0
7.7.1.3
Measurement in Ungrounded Y/Δ Networks
For measurement in ungrounded 3-phase networks, the I/O module offers
2 connection options:
- 3-wattmeter method (Artificial Star Point – ASP)
- 2-wattmeter method (Aron circuit/Blondel’s Theorem)
7.7.1.3.1 3-Wattmeter Method (Artificial Star Point – ASP)
See section “Measurement of U
LL
over 400 V
RMS
” > “Measurements in
Ungrounded Y/Δ Networks” >
“3-Wattmeter Method (Artificial Star Point – ASP).”