SMA SUNNY BOY SMART ENERGY Handbuch

SMA

SUNNY BOY STORAGE

Technical information

SUNNY BOY SMART ENERGY / SUNNY BOY

STORAGE / SUNNY ISLAND

Energy Efficiency of PV Storage Systems

BattWr-Efficiency-TI-en-11 | Version 1.1ENGLISH

Table of Contents

1 Information on this Document................................................. 3

1.1 Validity ............................................................................................... 3

1.2 Target Group ..................................................................................... 3

2 Data Explanation ..................................................................... 4

3 Sunny Boy Smart Energy......................................................... 5

3.1 SB 3600SE-10................................................................................... 5

4 Sunny Boy Storage .................................................................. 7

4.1 SBS2.5-1VL-10................................................................................... 7

5 Sunny Island ............................................................................. 9

5.1 SI4.4M-12 ......................................................................................... 9

Table of Contents SMA Solar Technology AG

Technical informationBattWr-Efficiency-TI-en-112

1 Information on this Document

1.1 Validity

This document uses graphs and tables to describe the energy efficiency of PV storage systems with

the following SMA battery inverters (as of: June 2017, subject to technical changes):

• SB 3600SE (Sunny Boy Smart Energy)

• SBS2.5-1VL-10 (Sunny Boy Storage 2.5)

• SI4.4M-12 (SunnyIsland 4.4M)

1.2 Target Group

The information in this document is intended for installers and operators of PV storage systems with

SMAbattery inverters as well as for PV storage system planners.

1 Information on this Document

SMA Solar Technology AG

Technical information 3BattWr-Efficiency-TI-en-11

2 Data Explanation

The data provided was collected in accordance with the guidelines for the standard measurement

of the energy efficiency of PV storage systems. An explanations of the energy conversion paths

provided and the measurement procedure for determining the individual data can be found in the

efficiency guidelines for PV storage systems published by the German Energy Storage Association

(BVES) and the German Solar Industry Association (BSW).

2Data Explanation SMA Solar Technology AG

Technical informationBattWr-Efficiency-TI-en-114

3 Sunny Boy Smart Energy

3.1 SB3600SE-10

Characterization of the PV storage system

PV2AC PV2BAT AC2BAT BAT BAT2AC BAT2PV

Energy paths ✓ ✓ ‒ ✓ ✓ ‒

PV Connection

PV rated input power 5200W

PV input voltage* 175V / 350V / 500V

* Nominal voltage or minimum/nominal/maximum voltage

AC Connection

Rated output power* 3680W

* Rated output power PV2AC and BAT2AC

Battery Connection

Battery voltage* 150V

Nominal charging power** 1500W

Nominal discharge power 1500W

* Nominal voltage or minimum/nominal/maximum voltage

** Rated output power AC2BAT

Battery

Sunny Boy 3600 Smart Energy

Battery voltage* - / 150V / -

Battery capacity** 2.09kWh / 2.08kWh / 2.10kWh

Battery efficiency** 94.9% / 96.2% / 97.9%

Power consumption of the battery management

system (no-load operation/standby)

1.7W / 0

* Rated output power AC2BAT

** At 100% and, if applicable, 50% and 25% of the nominal charging/discharge power

Standby losses of the power conversion system

Power consumption during no-load operation

(AC/DC)

16.0W / <0.2W

Power consumption in standby (AC/DC) 3.3W / <0.2W

3 Sunny Boy Smart Energy

SMA Solar Technology AG

Technical information 5BattWr-Efficiency-TI-en-11

Control characteristics of the power conversion system

Average stationary deviation of the charging

power

76W

Average stationary deviation of the discharge

power

3W

Average downtime 2s

Average recovery time 6s

Efficiency Rating of the Energy Conversion Paths

100

PV2AC

BAT2AC

PV2BAT

SB 3600SE-10

Output power / Rated power

Efficiency [%]

0.4 1.00.80.2 0.6

3Sunny Boy Smart Energy SMA Solar Technology AG

Technical informationBattWr-Efficiency-TI-en-116

4 Sunny Boy Storage

4.1 SBS2.5-1VL-10

SUNNY BOY 5.0 with SUNNY BOY STORAGE 2.5

Characterization of the PV storage system

PV2AC PV2BAT AC2BAT BAT BAT2AC BAT2PV

Energy paths ✓ ‒ ✓ ‒ ✓ ‒

AC Connection

Nominal charging power 2500W

Nominal discharge power* 2500W

* Rated output power BAT2AC

Battery Connection

Battery voltage* 100V / 360V / 500V

Nominal charging power** 2500W

Nominal discharge power 2500W

* Nominal voltage or minimum/nominal/maximum voltage

** Rated output power AC2BAT

Battery

Standby losses of the power conversion system

Power consumption during no-load operation

(AC/DC)

8.4W / 10W

Power consumption in standby (AC/DC) 1.8W / 0W

Control characteristics of the power conversion system

Average stationary deviation of the charging

power

-10W

Average stationary deviation of the discharge

power

3W

Average downtime <1s

Average recovery time 4.7s

4 Sunny Boy Storage

SMA Solar Technology AG

Technical information 7BattWr-Efficiency-TI-en-11

Efficiency Rating of the Energy Conversion Paths

100

SBS2.5-1VL-10

PV2AC

BAT2AC

AC2BAT

Output power / Rated power

Efficiency [%]

0.4 1.00.80.2 0.6

4Sunny Boy Storage SMA Solar Technology AG

Technical informationBattWr-Efficiency-TI-en-118

5 SunnyIsland

5.1 SI4.4M-12

Characterization of the PV storage system

PV2AC PV2BAT AC2BAT BAT BAT2AC BAT2PV

Energy paths ✓ ‒ ✓ ✓ ✓ ‒

AC Connection

Nominal charging power 3300W

Nominal discharge power* 3300W

* Rated output power BAT2AC

Battery Connection

Battery voltage* 41V / 48V / 63V

Nominal charging power** 2500W

Nominal discharge power 2500W

* Nominal voltage or minimum/nominal/maximum voltage

** Rated output power AC2BAT

Battery

Mercedes-Benz Energy Storage Home 5.0

Battery voltage* 39.7V / - / 54V

Battery capacity** 3.75kWh / 3.74kWh / 3.69kWh

Battery efficiency 94.3% / 95.5% / 95.2%

Power consumption of the battery management

system (no-load operation/standby)

6W / 4W

* Rated output power AC2BAT

** At 100% and, if applicable, 50% and 25% of the nominal charging/discharge power

Standby losses of the power conversion system

Power consumption during no-load operation

(AC/DC)

3W / 16.1W

Power consumption in standby (AC/DC) 0W / 7.7W

Control characteristics of the power conversion system

Average stationary deviation of the charging

power

-10W

5 Sunny Island

SMA Solar Technology AG

Technical information 9BattWr-Efficiency-TI-en-11

Average stationary deviation of the discharge

power

6 W

Average downtime 1.2s

Average recovery time 6.5s

Efficiency Rating of the Energy Conversion Paths

100

SI4.4M-12

PV2AC

BAT2AC

AC2BAT

Output power / Rated power

Efficiency [%]

0.4 1.00.80.2 0.6

5Sunny Island SMA Solar Technology AG

Technical informationBattWr-Efficiency-TI-en-1110

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