Goodwe SDT Series User Manual page 43

User Manual V1.3-2024-01-25
Power limit networking with multi inveter (SEC1000)
1. Connect SEC1000 AC cable to a 3L/N/PE Grid. The voltage of the Grid shall be within
allowable voltage sampling scope of SEC1000.
2. The place to snap fit the CT shall be near the Grid-Tied entry point. Make sure the
connecting direction is right. If CT is installed reversely, it is unable to realize the power
limit function.
3. Prepare CT by yourself for external installation when selecting SEC1000.
4. The CT bore diameter shall be bigger than the outer diameter of AC power cable to ensure
the AC power cable can be inserted into CT.
5. For specific CT wirings, please refer to the documents provided by the respective
manufacturer, to ensure that the wiring direction is correct and CT is able to work properly.
6. CT shall be snap fitted on Cable L1, L2 and L3. Do not fit it on Cable N.
7. The load current of any phase shall be more than 120A.
Inverter 1
......
PV String
RS485
Circuit
Breaker
Inverter N
PV String
WARNING
SEC1000
SEC 1000
Circuit
Breaker
Load
39
06 Electrical Connection
Router
L3
L2
L1
N
CT
Meter Grid
Server