Electrical Connection
53
To disassemble the grid connectors from the SMILE5-INV, unscrew the grid connector
counterclockwise until it can't be rotated and unplug it.
6.4.
CT Connection & Electricity Meter Connection
6.4.1.
Acrel Meter Connection
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:
SM60A: single-phase meter
ACR10R: Three-phase CT electric meter
Table 1 CT meter ratio and accuracy table
Model
CT Ratio
Accuracy
ACR10R-120A CT
120
1.2kWh
ACR10R-120A CT
200
2.0kWh
