Microgrid control systems

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General information

Name of companyTrina Energy Storage Solutions
Website of companywww.trinasolar.com/cn
Name of productTrina Micro Grid
Product is hardware and/or software-platformhardware & software platform
Product standardized or project-specific?both
Distribution in which countries?DEU, FRA, UK, SGP, AUS, JPN, America, etc.
Unique selling proposition of the productThe development and extension of micro-grid can be an effective way to realize the active adjustment of renewable energy to the main grid and make the transition from the traditional grid to the smart grid. Power supply solutions for islands or remote areas where power grid is weak or even no main grid connection. Solve the volatility, randomness and intermittent problems of renewable energy. Integrate and intelligently monitor, control and dispatch different kinds of energy in the region, such as wind power, solar power and diesel generation. Reduce costs of diesel in island or remote areas. Self-consumption, significantly reduce electricity costs.

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 microgridsyes

Scope of control system

Central monitoring and control unit (Hardware)opt.
Control unit is standalone product or integrated into other device (if latter, which device?)Integrated into the distribution cabinet
Other hardware components (e.g. smart meters, sensors, switches, domestic appliances, …)N/A
Software-Platform for monitoring and control of the microgridyes
Software-Platform is a cloud solution or installed on own server or computer?both is possible
Software compatible with third party hardware?opt.
Hardware compatible with third party software?opt.
Monitoring and/or control of microgrid via smartphone app?opt.

Microgrid layout

Which customers is the product aimed at? (e.g. residential, commercial, industrial, community, campus, military, …)Commercial and industrial, remote areas and islands.
Focus on offgrid, grid-connected or mobile microgrids?off-grid and grid connected micro-grid project.
How many kilowatts of installed generating power can be integrated? (FROM - TO)
How many different generators can be integrated?Diesel generators, PV plants, wind turbines.
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, …)battery or diesel generator
Can the system be retrofitted to existing energy system assets?yes
Can the system be expanded modularly after initial commissioning?yes


Supported communication protocols (e.g. Modbus TCP, Sunspec, KNX, Zigbee, …)Modbus TCP
Supported communication interfaces (e.g. RS485, Ethernet, Wireless LAN, analog inputs an outputs, …)RS485, Ethernet
Connectable generators (e.g. solar PV, wind turbines, CHP, diesel generators, fuel cells, hydro power plants, …)Solar PV, Wind Turbines, Diesel generators
Connectable storage systems (e.g. batteries [lead, lithium, redox flow, …], flywheels, heat storage, …)Lithium batterys(LFP or NCM)
Connectable loads (e.g. heat pumps, heating boilers, charging stations for e-mobility, refrigerators, …)Loads for school,hospital,etc.
What components/brands can be integrated 'plug & play'?N/A
What components/brands have to be integrated manually?N/A
How are components integrated manually? (e.g. connection boxes, command-line interface, ...)N/A
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?
SCADA integration possible?yes
Other options to connect the microgrid to a higher-level distribution grid (e.g. smart meter gateway, CLS-interface, ...)N/A
Can smart home systems be integrated into the microgrid?yes
Is the data encrypted during data transfer? If so, how?The data will not be encrypted during data transfer on local arear network. Otherwise, it will be encrypted.
How is the system protected against threats from outside?If the system will respond to a third party's control, we will follow its safety requirement for communication. Otherwise, the control function will not be provided.
How are firmware updates realized?Firmware updates will be done on project site.


Grid conntected operationyes
Islanding operationyes
Automated transition from islanding to grid-connected mode and backyes
Time required for transition from grid-connected to islanded mode (in seconds)It depends on the system configuration. The best we can do is 20ms.
Uninterruptible Power Supply (UPS)opt.
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)in grid connected and islanding mode
Asset control of distributed energy resourcesyes
Load management defining curtailable loads and priority loadsopt.
Automated dispatch control and optimizationyes
Automated Re-dispatching in response to external orders or unplaned internal eventsyes
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 phasesyes
Black start capabilityyes

Energy management options

Increase in self consumptionyes
Increase of self-sufficiencyyes
Peak Shavingyes
Charging of electric vehiclesopt.
Energy management of thermal energy assets? (e.g. heat pumps, thermal storage, ...)opt.
Backup poweryes
Zero feed-inopt.
Ancillary services for public grid (e.g. frequency regulation, reactive power control, …)Peak and load shifting, Frequency regulation.
Consideration of weather forecastsopt.
Consideration of energy load predictionsopt.
Consideration of changing energy prices on the energy marketyes
Use of AI or self-lernings algorithmsno
Blockchain based billing and/or pay as you go solutionopt.
Participation in the energy marketopt.

Price indication

Hardware: One-time acquisition costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro)project specific
Hardware: Monthly maintenance costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro)project specific
Hardware: Costs for other necessary system components? (e.g. smart meters, switches, …)project specific
Software: One-time acquisition costs (without VAT) FROM - TO (approx. retail price in Euro)project specific
Software: Monthly maintenance costs (without VAT) FROM - TO (approx. retail price in Euro)project specific
Are there renting or leasing options? If so, what are those options?no
Price information availableno

Best practice project

Information on reference projects availableno
Best practice project - ongridPlease refer to the attachment
Best practice project - offgridPlease refer to the attachment

Data update

Data updateNov 2019

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