company overview · 2020. 2. 20. · sonnen european market leader forintelligent li-ion-storage...
TRANSCRIPT
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Residential Battery Storage Systems. Design support experience using Hardware in the Loop Opal-RT
Andres SalazarSonnen Inc, R&D Atlanta GA
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Company Overview
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sonnenEuropean Market Leader for intelligent Li-Ion-Storage systems
» Manufacturer of intelligent Li-Ion-Storage Systems for both residential and commercial segment
» HQ in Germany, Daughter Company in USA (HQ in Los Angeles, CA, R&D in Atlanta, GA)
» Pioneer with market experience since 2010 and market presence in Europe, USA and Australia
» 10.000 systems sold
» > 100% annual growth
» 150 employees in EU and USA
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Product Overview
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5
eco - white
eco – white incl. extension cabinet
Cutting Edge Design Residential Solution Becomes Part of Home
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sonnenBatterie eco
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» Fully integrated, AC-coupled system and easy to install (“Plug & Play”)
» Optimized self-consumption – Weather forecast, self-learning algorithm
» Comfortable and easy control via App, Internet or Touch-Display
» Broad portfolio for private households and small businesses
» High software intelligence
• Intelligent „Peak Shaving“
• Demand Side Management
• VPP Aggregation through remote control
Remote control via mobile app, tablet or laptop
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Fully integrated Storage System
» Complete operable AC-system
» Perfectly selected and synchronized components including Energy Management
» Intrinsically safe( Non thermal runaway) and reliable Lithium-Iron-Phosphate Battery (SONY) with unique Warranty of 10,000 cycles
» Easy and cheap to install
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Battery
Power Electronic / Inverter
Touch Display and Energy ManagerHigh Level Controller
sonnenBatterie eco 8
Cabinet
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Residential Product Portfolio Europe/Australia
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» Basic cabinet with 2 kWh (eco 8.0) - can be wall-mounted
» Extension cabinet for modular capacity up to 16 kWh (in 2 kWh steps) - Adding battery capacity at any time
» 10,000 cycles @ 100% DOD
» 10 year warranty
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Residential Product Portfolio USA
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» Basic cabinet with 4 kWh (eco 4.0)
» Extension cabinet for modular capacity up to 16 kWh - Adding battery capacity at any time
» Back-Up + Off-Grid functionality included
» 10,000 cycles @ 100% DOD
» 10 year Warranty
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sonnen is a multipile solution providerAbility to adress several use cases
Energy Management Hub for every Home
» Solar day & night
» Integration of Power and Heat
» Demand-Side-Management and Smart Home
» Tariff optimization (Time-of-Use Shifting)
» Back-Up-Power
» Data Monitoring and Analytics
Demand Charge Reduction
» Intelligent Peak Shaving
» Reduce commercial customers power bill by 20-50%
Grid Services and Energy Market Integration
» Remote Control and VPP aggregation
» Energy Trading / Arbitrage
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basic overview
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basic overview II
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challenges – hardware - software
- Inverter Dynamic operation In Nano Grid operation
- Optimal Charge-Discharge
- Health monitoring of the batteries
- Software Releases Test
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Nano-grid Operation
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-Sources
-Scenarios
Real – Time Results
Power Electronics Model using eHS
Example: AC Start-Up simulator
Ts: 295 ns
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Optimal Charge-Discharge and Software testing
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PV Inverter
Inverter
LiFePO4Batteries
Load Panel
ATSM
M
Internal sonnen computer(control)
Modbus Protocol
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ATS
Modbus RTUModbus TCP
Battery ModelPV ModelLow Frequency Inverter Model (on eHS)Modbus Communication
Ts = 225ns
Python scripts for automated testing
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Battery Health Monitoring
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Battery Model (on eHS)PV ModelHigh Frequency Inverter Model(on eHS)
Battery Aging Diagnostic Through Internal Impedance Measurement
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Summary
- Opal systems in specific OP4510 is allowing sonnen R&D group to develop :
- Analysis of the stability in Bi-directional inverter control topologies while connected to nano-grids.
- Testing the implementation of optimal battery charging and discharging under multiple scenarios involving real weather and demand data.
- Validation and testing of new software releases in an accelerated and automated way without the need of external hardware.
- Implementation of novel algorithms for measuring the battery impedance while using this information for aging diagnostic of the batteries.
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references
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Ginart, A. Salazar and R. Liou, "Transformerless Bidirectional Inverter for Residential Battery Storage Systems," 2016 IEEE Green Technologies Conference (GreenTech), Kansas City, MO, 2016, pp. 18-23.
Ginart, A. Salazar, D. Patel, J. Roach, C. Restrepo and H. Schweizer, "Air Conditioning (A/C) Startup Simulator for Evaluating NanogridOperation," 2016 IEEE Green Technologies Conference (GreenTech), Kansas City, MO, 2016, pp. 124-129.
Ginart, R. Riley, B. Hardman and M. Ernst, "Closed-Forms Solution for Simplified PV Modeling and Voltage Evaluation Including Irradiation and Temperature Dependence," 2013 IEEE Green Technologies Conference (GreenTech), Denver, CO, 2013, pp. 105-112.doi: 10.1109/GreenTech.2013.24
D. I. Stroe, M. Swierczynski, A. I. Stan, V. Knap, R. Teodorescu and S. J. Andreasen, "Diagnosis of lithium-ion batteries state-of-health based on electrochemical impedance spectroscopy technique," 2014 IEEE Energy Conversion Congress and Exposition (ECCE), Pittsburgh, PA, 2014, pp. 4576-4582.
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Thank you.
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