2017 Atlanta Regional User Seminar - Residential Battery Storage Systems. Design Support Experience...
-
Upload
opal-rt-technologies -
Category
Engineering
-
view
43 -
download
4
Transcript of 2017 Atlanta Regional User Seminar - Residential Battery Storage Systems. Design Support Experience...
Residential Battery Storage Systems. Design support experience using Hardware in the Loop Opal-RT
Andres SalazarSonnen Inc, R&D Atlanta GA
Company Overview
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
21.02.2017 sonnen GmbH 3
Product Overview
5
eco - white
eco – white incl. extension cabinet
Cutting Edge Design Residential Solution Becomes Part of Home
sonnenBatterie eco
21.02.2017 sonnen GmbH 6
» 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
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
21.02.2017 sonnen GmbH 7
Battery
Power Electronic / Inverter
Touch Display and Energy ManagerHigh Level Controller
sonnenBatterie eco 8
Cabinet
Residential Product Portfolio Europe/Australia
21.02.2017 sonnen GmbH 8
» 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
Residential Product Portfolio USA
21.02.2017 sonnen GmbH 9
» 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
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
21.02.2017 sonnen GmbH 10
basic overview
21.02.2017 sonnen GmbH 11
21.02.2017 sonnen GmbH 12
basic overview II
challenges – hardware - software
- Inverter Dynamic operation In Nano Grid operation
- Optimal Charge-Discharge
- Health monitoring of the batteries
- Software Releases Test
21.02.2017 sonnen GmbH 13
Nano-grid Operation
21.02.2017 sonnen 14
-Sources
-Scenarios
Real – Time Results
Power Electronics Model using eHS
Example: AC Start-Up simulator
Ts: 295 ns
Optimal Charge-Discharge and Software testing
21.02.2017 sonnen GmbH 15
PV Inverter
Inverter
LiFePO4Batteries
Load Panel
ATSM
M
Internal sonnen computer(control)
Modbus Protocol
21.02.2017 sonnen 16
ATS
Modbus RTUModbus TCP
Battery ModelPV ModelLow Frequency Inverter Model (on eHS)Modbus Communication
Ts = 225ns
Python scripts for automated testing
Battery Health Monitoring
21.02.2017 sonnen 17
Battery Model (on eHS)PV ModelHigh Frequency Inverter Model(on eHS)
Battery Aging Diagnostic Through Internal Impedance Measurement
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.
21.02.2017 sonnen 18
references
21.02.2017 sonnen 19
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.
Thank you.
21.02.2017 sonnen 20