BEMS/EMS

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We see ourselves as enablers for the change to the distributed energy market by engaging prosumers and providing our technology and innovative products on the household and small business level.

1. Energy Management System – EMS

EMS is an integrated product based on Cybrotech control technology which can be utilized in several scenarios:
a) to maximize in-house consumption of self generated renewable energy
b) to minimize cost of electrical energy
c) to contribute to local micro grid balance as a prosumer
d) to assure autonomy of user connected to unstable electrical grid

Key features of EMS:

  • monitoring and control of energy flow from and to the grid,
  • monitoring and control of electrical energy from house owner’s renewable energy source (photovoltaic plant, wind generator,…),
  • integration of electrical (batteries, EV) or thermal energy (heat, cold) storage,
  • integration of battery management system (BMS) and control of charging/discharging process,
  • real time management of in-house electrical energy flow (charge and discharge of batteries, management of loads by scheduling and by available renewable electricity),
  • integration of thermal storage (hot water, heat pump, air conditioner, room temperature),
  • forecasting of energy generation according to weather forecast,
  • prediction of energy and thermal consumption according to the weather forecast and historical data by utilization of machine learning methods,
  • HIQ Universe cloud solution: visualization of energy flow for the owner, graphical user interface to motivate user in achieving EMS /BEMS goals, daily, weekly, monthly, yearly data, KPI calculation,
  • support for O&M and fleet management,
  • grouping of EMS into clusters and aggregation of data for business partners,
  • connection to DSM/Area EMS server to act as a prosumer according DR requests,
  • EMS can be fully integrated with smart home solutions.

HIQ Universe cloud enables monitoring and analyses of operation of EMS/BEMS related to use cases and it’s specifics: from end user’s and for business partner’s perspective. HIQ Universe cloud offers several standard functionalities and enables scalability to manage several hundreds of xEMS devices.

2. Electrical Energy Storage – EES

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EES is a vital technology to enable better fulfillment of EMS/BEMS targets.

For EMS users EES is typically between 5 kWh and 50 kWh, while BEMS implementations can utililize a couple of 100 kWh of storage capacity.

  • different battery types (LiFePO4, lead acid) are supported,
  • BMS is fully integrated into Cybrotech control system,
  • Aaccurate SOC (State of charge), SOH (State of health) calculation,
  • fully tested control system assures long battery life-time.

CASE: eStore Home energy storage

DC or AC coupled system to maximize self-consumption

eStore F eStore D
hybrid inverter 3,0 kW 3ph. hybrid inverter 10,0 kW
PV power input 4,5 kW PV power input 14,8kW
max DC voltage 500V DC max DC voltage 900V DC
MPP trackers 1 x 18A MPP trackers 2 x 18,6A
battery charger 48VDC, 25A max battery charger 48VDC, 200A max
batteries Li-ion 3..9kWh batteries Li-ion 9..54kWh
weight from 120kg weight from 280kg

For technical details please check eStore data sheet

and visit eStore Web page.
Username: gast
Password: gast

3. Smart Grid integration

Robotina’s EMS is ready for future SmartGrids!

HEMS (Home Energy Management System) /BEMS (Building Energy Management System) devices shall be proactively used in the electrical grid to contribute in balancing of the regional instabilities by fulfilling DR (Demand Response) requirements:

  • to lower consumption or feed electrical power into the grid upon DR request (load shift, renewable energy sources, discharge of batteries),
  • to consume electrical power from the grid upon DR request ( charge of batteries, load shift).

Individual HEMS/BEMS are grouped into clusters on the level of xEMS server, which communicates to DSM (Demand Side Management) or Area EMS server.

Several HEMS will operate like a cluster controlled by Area energy management server representing the complete capacity of the cluster to the Demand Response server on the side of electrical grid.

Since SmartGrid concepts and business models will evolve in the next few years (f.e. dynamic price of energy), remote upgrade of features is a vital functionality of Cybrotech. HEMS/BEMS will change its operation as conditions from the grid operator/energy trader will be changing and benefit from proactive participation.

EXAMPLE PROJECT: GoFLEX – H2020 demonstration project
nullProject to introduce, test and demonstrate dynamic pricing of energy through automatic demand response trading by prosumers.

1. Flexibility of electricity usage (HEMS, BEMS, FEMS, CDEMS) is used for balancing of grid stability.

2. Development of vertically integrated solution for trading with electrical energy in time.

3. 3 demo locations in Germany, Switzerland and Cyprus:

  • implementation of vertically integrated solution,
  • demonstration of operation,
  • evaluation of achievements, impact – KPIs.

 

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BEMS

Robotina provides standard products, field proven solutions and engineering expertise to build advanced energy management systems for multi-apartment buildings, small business and commercial industrial buildings:

  • integration of renewable energy sources,
  • real-time control of energy flow,
  • process visualization and KPI presentation,
  • alarming, notification and reporting,
  • remote configuration and remote upgrade of control algorithms,
  • engineering data for O&M,
  • predictions of electrical and thermal consumption by machine learning,
  • forecasting of PV generation based on weather and irradiation prognosis,
  • dynamic optimization to assure minimum cost of energy based on dynamic pricing.

The BEMS systems are built on Robotina‘s technology:

Cybrotech provides

  • complete control technology for integration and real-time control (Cybro PLC, communication interfaces, …).

HIQ Universe IoT platform

  • two level topology (local IoT linker and HIQ cloud server) assures data consistency and safety,
  • collection, storage and presentation of all data (real time and historical),
  • serves to server connection to external web services.

For business partners like:

  • equipment manufacturer’s,
  • project developers,
  • energy suppliers.

Robotina offers customized project solutions and OEM products.

Let us help you grow your business! Get in touch (contact)

BEMS case

Smart community project Speyer, Germany
Robotina successfully implemented its process control and web IoT technology in the smart community demonstration project in Speyer, Germany. Complete renovation of energy supplies and energy management in 16 apartment house, built in 1960s, was accomplished to facilitate transition from traditional to renewable energy sources.

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The project is supported by NEDO – New Energy and Industrial Technology Development Organization from Japan. Project partners include City of Speyer with Stadtwerke Speyer (SWS) as a local energy supplier and GEWO Wohnen as building owner on one hand and Hitachi Chemical, a major global player in electrical energy storage, as leading project company on the other hand.

The advanced energy management system provides two operation modes:

1. maximization of self-consumption of renewable energy:

  • PV plant on building‘s rooftop,
  • electrical energy storage,
  • heat pump with water tank,
  • measurements of electrical and thermal consumption power meters.

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2. minimization of cost of energy for apartment owners:

  • predictions of electrical and thermal consumption by machine learning algorithms based on:
  •     historical data of consumption,
  •     weather forecast,
  •     level of energy stored in energy buffers (batteries and water tank).
  • dynamic pricing is introduced by hourly prices of electrial and thermal energy.
  • optimization algorithms are run every hour to control operation in various scenarios.

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The final goal of the Speyer demonstration project is to develop, test and demonstrate a new “energy self-consumption model” for electrical energy and heating for Germany. Since the runs in real-life environment it provides valuable inputs in terms of technical reliability, efficiency and economic feasibility. As such it will have an important impact on future business development in the field.