Microgrid control systems
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General information
| Name of company | Elum Energy |
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| Website of company | https://elum-energy.com |
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| Name of product | ePowercontrol HFS |
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| Product is hardware and/or software-platform | hardware & software platform |
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| Product standardized or project-specific? | standardized |
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| Distribution in which countries? | worldwide |
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| Unique selling proposition of the product | Elum ePower Control HFS is a turnkey controller able to monitor and control PV inverters, Diesel gensets for off-grid and on-grid configuration. HFS controllers performs minimum gensets loading, reverse power protection as well as spinning reserve management for bigger 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 | no |
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| Company provides operations and maintenance of microgrids | no |
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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?) | datalogger and control unit are one device |
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| Other hardware components (e.g. smart meters, sensors, switches, domestic appliances, …) | we can integrate and provide various type of sensors such as weather stations, I/O module, meters, switches upon request) |
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| Software-Platform for monitoring and control of the microgrid | opt. |
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| Software-Platform is a cloud solution or installed on own server or computer? | cloud solution |
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| Software compatible with third party hardware? | no |
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| Hardware compatible with third party software? | no |
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| Monitoring and/or control of microgrid via smartphone app? | no |
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| Comments | You can of course monitor and control from smartphone and tablet via webpage not app |
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Microgrid layout
| Which customers is the product aimed at? (e.g. residential, commercial, industrial, community, campus, military, …) | Industrial, Commercial, Campus, community, telecom |
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| Focus on offgrid, grid-connected or mobile microgrids? | Off-grid, grid-connected, mobile microgrids |
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| How many kilowatts of installed generating power can be integrated? (FROM - TO) | 100 kW - 1 MW |
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| How many different generators can be integrated? | from 1 to 8 |
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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, …) | Grid or Diesel generator |
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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 | |
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Connectivity
| Supported communication protocols (e.g. Modbus TCP, Sunspec, KNX, Zigbee, …) | Modbus TCP/RTU, Sunspec, SNMP, MQTT, Solivia, Kaco, PMU,OCPP |
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| Supported communication interfaces (e.g. RS485, Ethernet, Wireless LAN, analog inputs an outputs, …) | RS485/RS232, RJ45, analog inputs output in option |
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| Connectable generators (e.g. solar PV, wind turbines, CHP, diesel generators, fuel cells, hydro power plants, …) | Solar PV, CHP, Diesel Generators, Hydro, EV |
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| Connectable storage systems (e.g. batteries [lead, lithium, redox flow, …], flywheels, heat storage, …) | Batteries |
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| Connectable loads (e.g. heat pumps, heating boilers, charging stations for e-mobility, refrigerators, …) | heat pumps, charging station |
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| What components/brands can be integrated 'plug & play'? | most of inverters brands |
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| What components/brands have to be integrated manually? | upon request |
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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, ...) | smart meter |
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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 VPN |
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| How is the system protected against threats from outside? | VPN protocl |
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| How are firmware updates realized? | Through internet automatically |
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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) | |
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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) | not possible |
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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 | no |
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| Real time active and reactive power control | no |
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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 | yes |
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| Energy management of thermal energy assets? (e.g. heat pumps, thermal storage, ...) | yes |
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| Backup power | no |
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| Zero feed-in | yes |
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| Ancillary services for public grid (e.g. frequency regulation, reactive power control, …) | some of them possible |
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| Consideration of weather forecasts | yes |
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| Consideration of energy load predictions | yes |
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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 | yes |
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| Blockchain based billing and/or pay as you go solution | no |
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| Participation in the energy market | no |
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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) | 3500 - 9000 |
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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, …) | on request |
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| Software: One-time acquisition costs (without VAT) FROM - TO (approx. retail price in Euro) | free software ePowerMonitor Lite |
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| Software: Monthly maintenance costs (without VAT) FROM - TO (approx. retail price in Euro) | 200 - 1000 Euro/year |
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| Are there renting or leasing options? If so, what are those options? | no |
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| Comments | 5 years warranties |
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| Price information available | yes |
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Best practice project
| Information on reference projects available | yes |
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| Best practice project - ongrid | Azimut360 600kWp SMA 6 gensets without batteries in Gambia for a research center. It helps as well women empowerment for this project https://www.youtube.com/watch?v=nT8Ul4GdWOg |
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| Best practice project - offgrid | |
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Data update
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