Microgrid control systems
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General information
Name of company | SMA Solar |
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Website of company | www.sma.de |
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Name of product | SMA Hybrid Controller + Sunny Central Storage (UP) Small / Medium / Large / X-Large |
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Product is hardware and/or software-platform | hardware & software platform |
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Product standardized or project-specific? | both |
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Distribution in which countries? | worldwide |
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Unique selling proposition of the product | 100% Solar Power for Diesel-Off Mode in large scale microgrid projects |
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Comments | |
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Services of the company
Company produces microgrid control hardware | yes |
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Company programs microgrid control software | yes |
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Company provides system integration of microgrid control hardware and software | yes |
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Company provides EPC services for microgrid projects | yes |
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Company provides operations and maintenance of microgrids | no |
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Comments | EPC service by SMA Sunbelt GmbH |
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Scope of control system
Central monitoring and control unit (Hardware) | yes |
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Control unit is standalone product or integrated into other device (if latter, which device?) | Control unit is stand-alone product |
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Other hardware components (e.g. smart meters, sensors, switches, domestic appliances, …) | Modbus meters, irradiation sensors |
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Software-Platform for monitoring and control of the microgrid | no |
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Software-Platform is a cloud solution or installed on own server or computer? | not applicable |
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Software compatible with third party hardware? | opt. |
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Hardware compatible with third party software? | opt. |
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Monitoring and/or control of microgrid via smartphone app? | no |
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Comments | |
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Microgrid layout
Which customers is the product aimed at? (e.g. residential, commercial, industrial, community, campus, military, …) | commercial and large scale utility solutions |
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Focus on offgrid, grid-connected or mobile microgrids? | Off-Grid |
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How many kilowatts of installed generating power can be integrated? (FROM - TO) | unlimited |
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How many different generators can be integrated? | max. 16 |
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AC bus system | yes |
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DC bus system | yes |
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Hybrid AC and DC bus system | yes |
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Which control strategy is used to run the microgrid? (e.g. central control, master/slave control, distributed control, …) | central control |
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Which components are needed for grid forming in islanding operation? (e.g. battery, diesel generator, …) | Sunny Central UP battery inverter, Diesel Genset |
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Can the system be retrofitted to existing energy system assets? | opt. |
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Can the system be expanded modularly after initial commissioning? | yes |
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Comments | |
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Connectivity
Supported communication protocols (e.g. Modbus TCP, Sunspec, KNX, Zigbee, …) | Modbus TCP, CAN, CANOpen, IEC 60870-5-104, IEC 60870-5-101, IEC 60870-5-103, IEC 61850, IEEE1815 (DNP3) |
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Supported communication interfaces (e.g. RS485, Ethernet, Wireless LAN, analog inputs an outputs, …) | Ethernet |
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Connectable generators (e.g. solar PV, wind turbines, CHP, diesel generators, fuel cells, hydro power plants, …) | Solar PV, Diesel Genset |
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Connectable storage systems (e.g. batteries [lead, lithium, redox flow, …], flywheels, heat storage, …) | Lithium Ion via Sunny Central UP |
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Connectable loads (e.g. heat pumps, heating boilers, charging stations for e-mobility, refrigerators, …) | AC loads |
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What components/brands can be integrated 'plug & play'? | Inverters:
Sunny Tripower (STP TL-30, STP US-10, STP 60-10, STP50-40), Sunny Tripower Storage, Sunny Highpower Peak1, Sunny Tripower (STP TL-30, STP US-10, STP60-10, STP50-40), Sunny Tripower Storage, Sunny Highpower Peak1, Sunny Central CP-XT, Sunny Central, Sunny Central Storage External Power Management:
SMA FSC-11-DAQ, UMG 604 JANITZA, ION PowerLogic 7650/7750/8600/8800 |
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What components/brands have to be integrated manually? | - |
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How are components integrated manually? (e.g. connection boxes, command-line interface, ...) | - |
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Software-Platform has graphical user interface for integration and configuration of external devices? | yes |
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Software-Platform has graphical user interface for programming energy management options? | yes |
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Communication between control system and energy system assets is wired or wireless? | wired communication |
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SCADA integration possible? | yes |
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Other options to connect the microgrid to a higher-level distribution grid (e.g. smart meter gateway, CLS-interface, ...) | no |
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Can smart home systems be integrated into the microgrid? | no |
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Is the data encrypted during data transfer? If so, how? | Yes (TLS, VPN) |
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How is the system protected against threats from outside? | Separated networks |
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How are firmware updates realized? | manual local installation |
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Comments | |
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Functions
Grid conntected operation | yes |
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Islanding operation | yes |
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Automated transition from islanding to grid-connected mode and back | opt. |
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Time required for transition from grid-connected to islanded mode (in seconds) | <20ms |
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Uninterruptible Power Supply (UPS) | no |
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Operation is also possible without connection to the internet | in grid connected and islanding mode |
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Operation is also possible without connection to control room of higher-level distribution system operator (DSO) | only in grid connected mode |
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Asset control of distributed energy resources | opt. |
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Load management defining curtailable loads and priority loads | opt. |
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Automated dispatch control and optimization | opt. |
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Automated Re-dispatching in response to external orders or unplaned internal events | opt. |
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Internal voltage and frequency regulation in islanding mode | yes |
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Real time active and reactive power control | yes |
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Control of power exchange and voltage levels at point of interconnection | yes |
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Aggregated ramp rate control at point of interconnection | yes |
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Phase balancing between different AC phases | no |
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Black start capability | yes |
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Comments | |
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Energy management options
Increase in self consumption | yes |
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Increase of self-sufficiency | yes |
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Peak Shaving | yes |
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Charging of electric vehicles | no |
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Energy management of thermal energy assets? (e.g. heat pumps, thermal storage, ...) | no |
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Backup power | opt. |
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Zero feed-in | yes |
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Ancillary services for public grid (e.g. frequency regulation, reactive power control, …) | PCR / frequency regulation, reactive power control, feed-in management, grid services |
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Consideration of weather forecasts | no |
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Consideration of energy load predictions | no |
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Consideration of changing energy prices on the energy market | no |
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Use of AI or self-lernings algorithms | no |
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Blockchain based billing and/or pay as you go solution | no |
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Participation in the energy market | opt. |
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Comments | |
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Price indication
Hardware: One-time acquisition costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro) | |
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Hardware: Monthly maintenance costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro) | |
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Hardware: Costs for other necessary system components? (e.g. smart meters, switches, …) | |
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Software: One-time acquisition costs (without VAT) FROM - TO (approx. retail price in Euro) | |
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Software: Monthly maintenance costs (without VAT) FROM - TO (approx. retail price in Euro) | |
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Are there renting or leasing options? If so, what are those options? | |
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Comments | |
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Price information available | no |
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Best practice project
Information on reference projects available | yes |
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Best practice project - ongrid | Hybrid Controller and Sunny Central Storage is used for enhanced primary control reserve in Pelhalm / UK:
https://www.sma.de/produkte/referenzen/pelham-storage-project-uk.html
https://www.pv-magazine.de/2018/06/28/sma-liefert-systemtechnik-fuer-grossspeicher-in-england/ |
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Best practice project - offgrid | Hybrid Controller and Sunny Central Storage is used for Large-Scale Island Electrification with Diesel-Off Mode in St. Eustatius and https://www.sma.de/produkte/referenzen/st-eustatius-karibik.html |
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Data update
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