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Power Limit Solution for Grid-Tied PV Inverters User Manual V1.0-2022-09-15
2.2 Three-Phase Inverter + GM3000 Networking
No. Parts Description
1 Inverter • Applicable inverters are SDT G2 series, SMT series, and MT series.
• It is only applicable to install one inverter in the system, not for multiple inverters in parallel.
2 GM3000 Select whether to use GM3000 smart meter according to the maximum over current, the cables or the copper
busbar in the system. For details, please consult GoodWe Solar Academy for help. CT is delivered with the
smart meter.
3 Load The load current of each phase shall be less than 120A.
WARNING
1. Make sure the CT direction is right during installing. If CT is installed reversely, the inverter will be triggered with an alarm and
unable to realize the power limit function.
2. The appearances of the inverter and its communication port for CT connection vary according to dierent types. Please refer to
the related inverter’s user manual or quick installation guide for specic CT wiring.
3. CT shall be snap tted on Cable L1, L2 and L3. Do not t it on Cable N.
Inverter
Loads
CT
GM3000
Utility Grid
Meter
PV String
Wiring Description
Parts Description