HYD 5-20KTL-3PH User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd。
When using the parallel system, the inverter settings and notes please refer to
this manual<6.3.2 Advanced setting→6.Parallel setting>.
Note(AC LOAD is also parallel for parallel machines):
1. The first and last two inverters need to be connected with 8Pin
connection terminals.
2. The cable length of the AC LOAD terminal connected from the LOAD
terminal to each machine shall be consistent with the specification of the cable
length, so as to ensure that the loop impedance is consistent and the current of the
LOAD current diverted to each machine is nearly equal.
3. When the total power of AC Load is greater than 110% of the rated
power of the machine （ For example, one 20KW machine AC LOAD has a
maximum allowable power of 22kVA and five parallel machines AC LOAD has a
maximum allowable power of 110kVA）, the Load should not be connected to AC
Load and should be connected to AC Grid.
Fig.4-13 parallel system
Table 4-11 Interface description
The high level of the
synchronous signal is 12V
Synchronizing signal GND0
Synchronizing signal GND1
Synchronizing signal GND2
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