___________________________________________________________________
Alpha ESS Co., Ltd.
Page 35
Your Smart Energy
Installation
Figure 36 Hybrid-coupled system
2.3
Power Meter Wiring
The electricity meter should be mounted and connected at the grid transition point (feed-in point) so
that it can measure the grid reference and feed-in power. Alpha ESS currently provides 4 different
power meter solutions:
➢
ADL-3000
: three-/ single-phase meter (with or without CT)
➢
SM60A:
single-phase meter
➢
Backup Box:
three-/ single-phase meter (Contain off-grid switching and load
management)
➢
ACR10R:
Three-phase CT electric meter
Table 1 CT meter ratio and accuracy table
Model
CT ratio
Accuracy
ADL3000-N/CT & 300A/5A CT
60
0.6 kWh
ADL3000-N/CT & 400A/5A CT
80
0.8 kWh
ADL3000-N/CT & 400A/1A CT
400
4.0 kWh
ACR10R-200A CT
200
2.0 kWh
ACR10R-120A CT
120
1.2 kWh
2.3.1
Meter SM60A (If Applicable)
