Cascading
Mode
SUN2000
SUN2000
SUN2000
Sdongle
SUN2000-(3KTL-10KTL)-
M1
SUN2000-(3KTL-10KTL)-
M1
SUN2000-(3KTL-10KTL)-M1
NO TE
● When the grid charging function is enabled, the surplus power generated by the inverter
without batteries can be used to charge the inverter connected to the batteries.
● The parameters of each battery need to be set separately. When the grid charging
function is enabled, the surplus power generated by one inverter can be used to charge
the other inverter.
(A) PV string
(B) DC switch
(C) SUN2000
(D) AC switch
(E) ACDU
(F) Smart Power Sensor
(G) Power grid
(H) LUNA2000
(I) 4G Smart Dongle
(J) WLAN-FE Smart
Dongle
(K) Router
(L) FusionSolar
management system
(M) FusionSolar app
(N) Load
(Q) SmartLogger
NO TE
indicates a power cable,
indicates a signal cable,
indicates
wireless communication.
3.1.2 Setting the Grid-tied ESS Mode
The grid-tied ESS has three main working modes: self-consumption, time-of-use,
and excess fed to the grid.
Self-Consumption
●
This mode applies to areas where the electricity price is high, or areas where
the FIT subsidy is low or unavailable.
●
Excess PV energy is stored in batteries. When PV power is insufficient or no PV
power is generated at night, batteries discharge to supply power to the loads,
improving the self-consumption rate of the PV system and the self-sufficiency
rate of residential energy, and reducing electricity costs.
●
In this mode, Maximum self-consumption is selected. By default, the charge
cutoff capacity is 100% and the discharge cutoff capacity is 0% for Huawei
LUNA2000 batteries. For details about how to change the charge or discharge
cutoff capacity, see
.
LUNA2000-(5-30)-S0
User Manual
3 Application Scenarios and Settings
Issue 07 (2022-01-10)
Copyright © Huawei Technologies Co., Ltd.
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