Microgrid control systems

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General information

Name of companySMA Solar
Website of companywww.sma.de
Name of productSMA Hybrid Controller + Sunny Central Storage (UP) Small / Medium / Large / X-Large
Product is hardware and/or software-platformhardware & software platform
Product standardized or project-specific?both
Distribution in which countries?worldwide
Unique selling proposition of the product100% Solar Power for Diesel-Off Mode in large scale microgrid projects
Comments

Services of the company

Company produces microgrid control hardwareyes
Company programs microgrid control softwareyes
Company provides system integration of microgrid control hardware and softwareyes
Company provides EPC services for microgrid projectsyes
Company provides operations and maintenance of microgridsno
CommentsEPC service by SMA Sunbelt GmbH

Scope of control system

Central monitoring and control unit (Hardware)yes
Control unit is standalone product or integrated into other device (if latter, which device?)Control unit is stand-alone product
Other hardware components (e.g. smart meters, sensors, switches, domestic appliances, …)Modbus meters, irradiation sensors
Software-Platform for monitoring and control of the microgridno
Software-Platform is a cloud solution or installed on own server or computer?not applicable
Software compatible with third party hardware?opt.
Hardware compatible with third party software?opt.
Monitoring and/or control of microgrid via smartphone app?no
Comments

Microgrid layout

Which customers is the product aimed at? (e.g. residential, commercial, industrial, community, campus, military, …)commercial and large scale utility solutions
Focus on offgrid, grid-connected or mobile microgrids?Off-Grid
How many kilowatts of installed generating power can be integrated? (FROM - TO)unlimited
How many different generators can be integrated?max. 16
AC bus systemyes
DC bus systemyes
Hybrid AC and DC bus systemyes
Which control strategy is used to run the microgrid? (e.g. central control, master/slave control, distributed control, …)central control
Which components are needed for grid forming in islanding operation? (e.g. battery, diesel generator, …)Sunny Central UP battery inverter, Diesel Genset
Can the system be retrofitted to existing energy system assets?opt.
Can the system be expanded modularly after initial commissioning?yes
Comments

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)
Supported communication interfaces (e.g. RS485, Ethernet, Wireless LAN, analog inputs an outputs, …)Ethernet
Connectable generators (e.g. solar PV, wind turbines, CHP, diesel generators, fuel cells, hydro power plants, …)Solar PV, Diesel Genset
Connectable storage systems (e.g. batteries [lead, lithium, redox flow, …], flywheels, heat storage, …)Lithium Ion via Sunny Central UP
Connectable loads (e.g. heat pumps, heating boilers, charging stations for e-mobility, refrigerators, …)AC loads
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
What components/brands have to be integrated manually?-
How are components integrated manually? (e.g. connection boxes, command-line interface, ...)-
Software-Platform has graphical user interface for integration and configuration of external devices?yes
Software-Platform has graphical user interface for programming energy management options?yes
Communication between control system and energy system assets is wired or wireless?wired communication
SCADA integration possible?yes
Other options to connect the microgrid to a higher-level distribution grid (e.g. smart meter gateway, CLS-interface, ...)no
Can smart home systems be integrated into the microgrid?no
Is the data encrypted during data transfer? If so, how?Yes (TLS, VPN)
How is the system protected against threats from outside?Separated networks
How are firmware updates realized?manual local installation
Comments

Functions

Grid conntected operationyes
Islanding operationyes
Automated transition from islanding to grid-connected mode and backopt.
Time required for transition from grid-connected to islanded mode (in seconds)<20ms
Uninterruptible Power Supply (UPS)no
Operation is also possible without connection to the internetin grid connected and islanding mode
Operation is also possible without connection to control room of higher-level distribution system operator (DSO)only in grid connected mode
Asset control of distributed energy resourcesopt.
Load management defining curtailable loads and priority loadsopt.
Automated dispatch control and optimizationopt.
Automated Re-dispatching in response to external orders or unplaned internal eventsopt.
Internal voltage and frequency regulation in islanding modeyes
Real time active and reactive power controlyes
Control of power exchange and voltage levels at point of interconnectionyes
Aggregated ramp rate control at point of interconnectionyes
Phase balancing between different AC phasesno
Black start capabilityyes
Comments

Energy management options

Increase in self consumptionyes
Increase of self-sufficiencyyes
Peak Shavingyes
Charging of electric vehiclesno
Energy management of thermal energy assets? (e.g. heat pumps, thermal storage, ...)no
Backup poweropt.
Zero feed-inyes
Ancillary services for public grid (e.g. frequency regulation, reactive power control, …)PCR / frequency regulation, reactive power control, feed-in management, grid services
Consideration of weather forecastsno
Consideration of energy load predictionsno
Consideration of changing energy prices on the energy marketno
Use of AI or self-lernings algorithmsno
Blockchain based billing and/or pay as you go solutionno
Participation in the energy marketopt.
Comments

Price indication

Hardware: One-time acquisition costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro)
Hardware: Monthly maintenance costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro)
Hardware: Costs for other necessary system components? (e.g. smart meters, switches, …)
Software: One-time acquisition costs (without VAT) FROM - TO (approx. retail price in Euro)
Software: Monthly maintenance costs (without VAT) FROM - TO (approx. retail price in Euro)
Are there renting or leasing options? If so, what are those options?
Comments
Price information availableno

Best practice project

Information on reference projects availableyes
Best practice project - ongridHybrid 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/
Best practice project - offgridHybrid 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

Data update

Data updateNov 2019

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