Steca Solar Electronics Products and solutions for an ecological future. Intersolar 2011 M. Müller, Steca GmbH

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1 Steca Solar Electronics Products and solutions for an ecological future. Intersolar 2011 M. Müller, Steca GmbH

2 Develop Solar! Renewable Energies Project Development Programme Advanced technical and business seminar for project development in solar energy Charge controllers and applications

3 Night light systems Key: A Solar modules B Solar charge controller C Battery D Motion detector E Electrical load

4 Solar Home Systems Solar Charge Controllers Steca Solarix PRS 12 V / 24 V, 10 A, 20 A, 30 A Electronic protection Night light option Remote parameter adaption option

5 Solar Home Systems Energy Saving Lamps Steca Solsum ESL 12 V, 5 W / 7 W / 11 W Wrong polarity protection High quality device More than 250,000 cycles More than 10,000 operating hours Steca ULED 12 V, 1.2 W Wrong polarity protection Simple and cheap LED White light

6 Solar Home Systems Solar fridge / freezer Steca PF 166 A++ 12V / 24V Temperature adaption in lid Most energy saving solar fridge Speed control and electronic regulation Temperature monitoring (PS) Professional pressure and humidity handling

7 Inverter Systems General considerations Careful system sizing C batt Ah > 5 h * P nom /U nom Short and thick cables Inverter to be connected directly to the battery Key: A Solar modules B Solar charge controller C Battery D Sine wave inverter E Generator junction box F Electrical load (12 V V DC, 115 V V AC)

8 Inverter Systems Solar Charge Controllers Steca PR 12 V / 24 V, 10 A, 15 A, 20 A, 30 A Full electronic protection User friendly display Load switch Energy datalogger Steca PR 2020 IP Configuration State of charge control IP 65 option

9 Inverter Systems Solar Charge Controllers Steca Solarix MPPT 2010 Maximum power point tracker 12 V / 24 V, 20 A 17 V 100V input, 250 Wp / 500 Wp 10 A load control Latest MPPT controller Maximum efficiency 98,8%! Remote configuration option Multi-battery LEDs

10 Inverter Systems Sine wafe inverter Steca Solarix PI 12 V / 500 W 24 V / 1,000W 230 V / 50 Hz, 115 V / 60 Hz Full electronic protection Low self consumption Parallelizing option Easy control of standy by mode

11 Inverter Systems Steca Solarix PI Inverter systems 12 V / 500 W 2 kw 24 V / 1 kw 4 kw Plug & play with Steca PAx4 Steca PI & Steca Tarom unique feature : Indication Configuration SOC based load control Free of costs! Key: A Solar modules B Solar charge controller C Battery D Steca Solarix PI sine wave inverter E Steca PAx4 parallel switch box G Electrical load (230 V~)

12 PV Hybrid Systems Why Steca DC-mixed PV hybrid system? Low conversion losses DC-components are cheaper and more reliable High flexibility High power range up to about 50 kw Key: A Solar modules B Grid inverter C Relay module ARM-01 D Gridfeed electricity meter E Consumption electricity meter F Sine wave inverter G Supplied loads H Unsupplied loads

13 PV Hybrid Systems Steca single phase PV hybrid systems Key: A Solar modules B Solar charge controller Steca Power Tarom C Battery D Sine wave inverter Steca HPC E Data logger Steca PA Tarcom F Current sensor (shunt) Steca PA HS200 G Electrical load (230 V AC) H Remote control Steca PA 15 I Diesel generator K Public grid/wind energy

14 PV Hybrid Systems Solar Charge Controllers Steca Tarom and Power Tarom 12 V / 24 V / 48 V, 35 A, 45 A, 70 A, 110 A, 140 A PV hybrid system control features. True SOC calc., also with Steca PA HS200 Shunt Good protection features PowerTarom with IP65 case

15 PV Hybrid Systems Data Logger Steca PA Tarcom data logger V input, < 10 ma Storing up to 4 years all system parameters Datatransfer via - RS232 - Ethernet - Analog modem - GSM modem Programmable alarm handling

16 PV Hybrid Systems Sine Wave Inverter / Charger Steca Xtender XTH 12 V / 24 V / 48 V 3 kw 8 kw per phase Parallelizing option up to - 24 kw single phase - 72 kw three phase Smart Boost / Power sharing Remote programming via RCC-02 PV hybrid system feature

17 Summary and recommendations Conservative sizing Good solar battery Don t lose your system by using a cheap controller Local knowledge Maintenance / Infrastructure Social aspects?

18 Thank you for your attention!