Sungrow SH RS Series Installation guide

© 2021 Sungrow. All rights reserved. Subject to change without notice. Version 1.1

Sungrow Deutschland GmbH | Balanstr. 59 | 81541 München | www.sungrowpower.com

1-phase Hybrids-FAQ

Operation mode description of 1-phase residential

storage inverter

Applicable to: SHxxRS series

1Production for self-consumption

The inverter is set to the mode of production for self-consumption, and the control

supplies power to the load first (including the backup port load).

1.1 Daytime PV power ≥ load power

As shown in Figure 3-3 below, when the battery SOC is lower than 100%, after

the PV input power meets the load power supply, the remaining energy

charges the battery and still delivers the remaining energy to the power grid.

When the battery SOC is 100%, after the PV input power meets the load power

supply, the surplus electric energy is transmitted to the power grid.

Figure 3-3 Daytime PV power ≥ load power

© 2021 Sungrow. All rights reserved. Subject to change without notice. Version 1.1

Sungrow Deutschland GmbH | Balanstr. 59 | 81541 München | www.sungrowpower.com

1.2 Daytime PV power < load power

As shown in figure below, when the battery is fully charged, the battery

discharges to the load, and the insufficient part is supplied by the power grid.

When the battery power is insufficient, the load consumption is supplemented

by the power grid.

Daytime PV power < load power

1.3 No-light scenario at night

Under no-light scenario at night, PV power is 0. As shown in figure below, when

the battery is fully charged, the battery discharges to the load first. If the

battery discharge cannot meet the load consumption or the battery power is

insufficient, the required electric energy is provided by the power grid.

No-light Scenario at Night

© 2021 Sungrow. All rights reserved. Subject to change without notice. Version 1.1

Sungrow Deutschland GmbH | Balanstr. 59 | 81541 München | www.sungrowpower.com

2Compulsory mode

Two instruction values are issued locally through iSolarCloud APP:

2.1 Control instruction charging, discharging or stop.

2.2 Power instruction charging and discharging power value.

For further information, please download the user manual here.

© 2021 Sungrow. All rights reserved. Subject to change without notice. Version 1.1

Sungrow Deutschland GmbH | Balanstr. 59 | 81541 München | www.sungrowpower.com

This manual is intended for professional technicians who are responsible for

installation, operation, maintenance and troubleshooting of inverters, and users

who need to check inverter parameters. The inverter must only be installed by

professional technicians.

The professional technician is required to meet the following requirements:

•Know electronic, electrical wiring and mechanical expertise, and be familiar

with electrical and mechanical schematics.

•Have received professional training related to the installation,

commissioning and troubleshooting of electrical equipment.

•Be able to quickly respond to hazards or emergencies that occur during

installation, commissioning and troubleshooting.

•Be familiar with local standards and relevant safety regulations of electrical

systems.

•Read this manual thoroughly and understand the safety instructions related

to operations.

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