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iSitePower-M V100R002C00
User Manual (MAP05A1, MAB05B1)
Figure 4-10 Solar-genset hybrid scenario network diagram (multiple products
connected in parallel)
In the solar-genset hybrid scenario, the power system works circularly as follows.
The power source preference sequence is solar power > battery > genset.
1.
2.
3.
4.
Issue 03 (2022-10-28)
If solar power is available, it is supplied to loads and batteries. If solar power
is insufficient, solar power and battery power are supplied to loads at the
same time.
When solar power is available and the batteries stop discharging when DOD
to Start is reached, the genset is started to supply power to loads, and the
batteries are charged by solar power and the genset. When one of the
following conditions is met, the genset shuts down: (1) Batteries are fully
charged (100% SOC). (2) The genset runs for 20 minutes, the battery capacity
is greater than DOD to Start, the solar input voltage is greater than 90 V, the
genset charge power is less than 500 W, and the high irradiance lasts for
more than 3 minutes.
When solar power is available but the genset is abnormal, if solar power is
sufficient, it is supplied to loads and charges batteries; if solar power is
insufficient, both solar power and battery power are supplied to loads.
When solar power is unavailable, batteries supply power to loads. When the
batteries stop discharging when DOD to Start is reached, the genset is
started.
Copyright © Huawei Digital Power Technologies Co., Ltd.
4 Application Scenarios
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