Microgrid control systems
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General information
| Name of company | DHybrid Power Systems |
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| Website of company | www.dhybrid.de |
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| Name of product | Universal Power Platform (UPP) |
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| Product is hardware and/or software-platform | hardware & software platform |
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| Product standardized or project-specific? | project-specific |
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| Distribution in which countries? | worldwide |
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| Unique selling proposition of the product | Manufacturer Independent, fully scalable, technology independet, Full customization (incl. OEM / Whitelabel), Remote Service and Support, UPS function |
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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 | yes |
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| Comments | |
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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?) | DHYBRID UPP is a standalone system |
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| Other hardware components (e.g. smart meters, sensors, switches, domestic appliances, …) | A wide range of sensors, smart meters, switches … can be integrated |
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| Software-Platform for monitoring and control of the microgrid | yes |
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| Software-Platform is a cloud solution or installed on own server or computer? | both is possible |
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| Software compatible with third party hardware? | yes |
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| Hardware compatible with third party software? | yes |
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| Monitoring and/or control of microgrid via smartphone app? | yes |
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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, …) | Industrial, Commercial, Utility, Resorts |
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| Focus on offgrid, grid-connected or mobile microgrids? | Off-Grid Hybrid |
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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? | unlimited |
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| AC bus system | yes |
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| DC bus system | opt. |
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| Hybrid AC and DC bus system | opt. |
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| Which control strategy is used to run the microgrid? (e.g. central control, master/slave control, distributed control, …) | Distributed Control |
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| Which components are needed for grid forming in islanding operation? (e.g. battery, diesel generator, …) | a) Diesel Genrator(s) (Master) | PV (Slave)
b) Diesel Generator(s) (Master) | PV + Battery (Slave)
c) Battery (Master) | PV + Diese Generator(s) (Slave)
d) Battery (Master) | PV (Slave)
e) Diesel Generator(s) + Battery (Master) | PV (Slave) |
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| Can the system be retrofitted to existing energy system assets? | yes |
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| Can the system be expanded modularly after initial commissioning? | yes |
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| Comments | Flexible and scalable approach. Projects can be extended
independent of Hardware supplier even in one project |
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Connectivity
| Supported communication protocols (e.g. Modbus TCP, Sunspec, KNX, Zigbee, …) | Modbus RTU, Modbus TCP, CAN |
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| Supported communication interfaces (e.g. RS485, Ethernet, Wireless LAN, analog inputs an outputs, …) | RS485, RS232, RS422, Ethernet, Digital Input/Output, Analog Input/Output |
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| Connectable generators (e.g. solar PV, wind turbines, CHP, diesel generators, fuel cells, hydro power plants, …) | Solar PV, Wind turbines, diesel genrators, hydro power plants, gas generators |
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| Connectable storage systems (e.g. batteries [lead, lithium, redox flow, …], flywheels, heat storage, …) | Batteries (Li-Ion, Lead) |
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| Connectable loads (e.g. heat pumps, heating boilers, charging stations for e-mobility, refrigerators, …) | No restrictions |
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| What components/brands can be integrated 'plug & play'? | Huawei, SMA, Fronius, Sungrow, Schneider Electric, ABB,
Socomec, Samsung, LG, KACO, SolarEdge, Hitachi, Growatt, AEG, GE, Omron, DSE, Woodward, DEIF, Comap, Vacon, |
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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, ...) | Depending on 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, wireless optional |
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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, ...) | |
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| Can smart home systems be integrated into the microgrid? | opt. |
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| Is the data encrypted during data transfer? If so, how? | Yes |
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| How is the system protected against threats from outside? | Industrial Firewall Router (VPN Access) |
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| How are firmware updates realized? | SD Card or Remote Service |
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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 | yes |
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| Time required for transition from grid-connected to islanded mode (in seconds) | 0.15 seconds |
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| Uninterruptible Power Supply (UPS) | yes |
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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) | in grid connected and islanding mode |
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| Asset control of distributed energy resources | yes |
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| Load management defining curtailable loads and priority loads | yes |
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| Automated dispatch control and optimization | yes |
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| Automated Re-dispatching in response to external orders or unplaned internal events | yes |
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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 | opt. |
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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 | yes |
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| Energy management of thermal energy assets? (e.g. heat pumps, thermal storage, ...) | yes |
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| Backup power | yes |
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| Zero feed-in | yes |
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| Ancillary services for public grid (e.g. frequency regulation, reactive power control, …) | |
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| Consideration of weather forecasts | opt. |
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| Consideration of energy load predictions | opt. |
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| Consideration of changing energy prices on the energy market | opt. |
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| Use of AI or self-lernings algorithms | opt. |
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| Blockchain based billing and/or pay as you go solution | no |
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| Participation in the energy market | yes |
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| Comments | DHYBRID can implement a wide range of functionalities. |
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Price indication
| Hardware: One-time acquisition costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro) | project specific |
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| Hardware: Monthly maintenance costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro) | project specific |
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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 | DHYBRID offers fully customized solutions. The price depends on the system setup of the client. |
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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 | Mauritius shopping mall. Parallel to the grid (behind the meter application). Grid connection, 2MVA Diesel Gensets, 1.2MWp PV + Battery. The hybrid system is running parallel to the grid with zero-export functionality. It maximizes the the direct use of energy from Solar PV with extremely fast measuring and control (millisecond level). The shopping centre uses 100% of the self-generated electricity and does not feed any into the grid. Excess solar power is stored using special cooling tanks, chillers and a centralized air conditioning system. At night, the energy stored in the special cooling tanks is used for air conditioning in the mall and to cool foods. This leads to a ground breaking energy efficiency and overall system performance. The backup diesel generators and the energy storage system ensure the autonomy of the shopping centre even at full load and the DHYBRID UPP takes the lead to control and manage all different energy sources. In case the grid fails the DHYBRID UPP automatically turns on the Diesel Gensets. The DHYBRID UPP is fully integrated into the distribution panel control including individual load metering with all electrical parameters, automatic transfer switch, breaker control via SCADA, battery for UPS function of security lighting, cash desks etc. and power factor correction.
http://www.dhybrid.de/en/case/mauritius-flacq |
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| Best practice project - offgrid | Cheetah Plains Luxury Lodge. It is a fully offgrid, independent renewable energy supply for the Cheetah Plains Lodge, located in the world-famous Kruger National Park in South Africa. The system comprises three solar plants with total capacity of 300kWp and a 1MWh lithium-ion battery storage system. A diesel generator which is also integrated into the microgrid is only utilized during low irradiation periods to support the storage system. DHYBRID’s Universal Power Platform (UPP) monitors and controls all the components in the system and therefore ensures a reliable energy supply at any time.
Unlike traditional independent microgrids where either the diesel generator or the solar installation can be run at a given time, the UPP can control different energy generators simultaneously. This makes the entire system noticeably more efficient, meaning that the diesel generator only needs to be switched on when energy consumption is unusually high or in periods of bad weather. This reduces fuel consumption, noise pollution, and the impact on the environment while extending the generator’s lifespan.
The hybrid power plant can be remotely controlled. Real-time monitoring and remote grid maintenance occur via VPN using a SCADA system developed by DHYBRID. Additionally, the DHYBRID UPP offers access to historical data via the DHYBRID web portal. http://www.dhybrid.de/en/press-article/dhybrid-blockpower-supply-self-sufficient-energy-system-for-luxury-lodge-in-kruger-national-park-2 |
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Data update
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