44
4.7.3.4 Check the CT
Measure the resistance of interface by multimeter that is set in Ohm (please note that according
to the Mini ES internal wiring, the measure of the resistance is CT1, CT2).
> Related tool: multimeter
•
No current transformer resistance is 20.0±0.1Ω
•
Connecting the current transformer resistance is18.5±0.5Ω
Content
Requirement
Result
Connecting PV inverter current
transformer to the energy storage
system correctly (CT)
Resistance is 18.5±0.5Ω
4.7.3.6 Check Mini ES wiring
According to the introduction of internal interface, ensure the wiring is consistent with the
diagram in the wiring chapter. Please check the following:
Item
Content
Requirement
Result
1
Power cable
The positions of the live wire ,zero line,
earth are consistent with diagram
2
Load cable
The positions of the live wire ,zero line,
earth are consistent with diagram
4.7.3.7 Check the Ethernet wiring
According to the introduction of the inner wiring, ensure the wiring are consistent with the picture,
and make sure the Ethernet cable could communicate and the router of the customer could
connected to the internet, the following is the content that needs to be checked:
Item
Content
Requirement
Result
1
Ethernet wiring
The positions of wiring are consistent with
the diagram
2
Can the Ethernet cable
communicate?
The APP operates normally and can read the
data from the system
3
Can the customer’s router
connect to the internet?
The router of the customer can connect to
the internet
