4.9、 Inverter Parallel
4.9.1 Introduction
1. Up to six units connected in parallel.
2. When using the parallel operation function, the following connecting lines (package accessories) shall be
firmly and reliably connected:
3. Dip switches 3 and 4 of any two machines must be put down when inverters are in parallel
Dip switchs
Parallel communication line*1:
4.9.2 Precautions for connecting the parallel connecting lines
Warning:
1. PV connection:
When connected in parallel, the PV arrays of each machine must be independent and the PV arrays of PV1 and
PV2 of each machine must also be independent.
2. Battery wiring:
Parallel connection in single or three-phase: ensure that all solar storage inverters are connected to the same
battery, with BAT + connected to BAT + , BAT - connected to BAT -, and that the connection is correct with
the same wiring length and line diameter before power on, so as to avoid the abnormal operation of parallel
system output caused by wrong connection.
3. LOAD wiring:
Parallel connection in single phase: ensure L-to-L, N-to-N and PE-to-PE connection for all solar storage
inverters, and that the connection is correct with the same wiring length and line diameter before power on,
so as to avoid the abnormal operation of parallel system output caused by wrong connection. For specific
To Next Page
Loading...