Energy management system with EMA platform at the Kielce University of Technology, Poland
About this good practice
The idea behind the creation of the centre with an independent grid was:
• partial independence from big energy providers on the market, energy reduction,
• optimising energy consumption and planning its purchase at more favourable hourly prices.
The whole thing is connected and controlled by a switchboard and a control room operated from the EcoStruxure Microgrid Advisor platform from Schneider Electric. Advantages of the platform:
• allows the Uni to control the energy sources installed in the system in a fully digital way,
• optimises energy consumption, generation and storage in real time,
• shows current savings and profits,
• the microgrid creates a local energy balancing area, area – 22 ha, annual demand – 4 GWh of electricity,
• allows the UNI to meet its own needs at approximately 18%,
• includes voltage regulation, power flow control, load distribution (or limitation) during island separation, protection and stability,
• allows for cooperation of the microgrid with the commercial power grid or for island operation, with a smooth transition from one operating mode to another.
• constant monitoring of energy efficiency.
The microgrid is a closed, controllable unit. The project is of great importance for the Uni and provides an opportunity to conduct research for the benefit of our economy. All the activities are aimed at industry because the University of Technology wants to become a research base for the industry of the voivodeship to a greater extent.
Resources needed
The full cost (grid+building+res) was PLN 90.2 m of which PLN 73.5 was EU subsidy for the project called CENWIS–Scientific and Implementation Centre for Smart Specialisations of the Świętokrzyskie Region–Regional Operational Programme for the Świętokrzyskie Voivodeship 2014–2020.
Evidence of success
It is powered by 0.5 MW PV installation, six vertical axis windmills, a 100 kW natural gas generator, an energy storage battery with a capacity of 0.5 MW and 3 mobile energy storage units (electric cars) plus 12 electric car charging stations.
Potential for learning or transfer
This particular GP is an excellent example of cooperation between business, public sector and can be applied in other regions as well as it is beneficial to all the above actors.
Power microgrids in Poland are still a novelty and are still developing. The concept of building microgrids opens the door to energy monitoring and control. These are implementations that integrate both energy consumers and various types of sources. Power microgrids enable the integration of distributed, renewable energy sources and help maintain network stability and efficiency. In turn, the EcoStruxure Microgrid Advisor platform offered by Schneider Electric enables dynamic control of energy sources and receivers. It connects DER resources, allowing for real-time monitoring and control (for example, frequency regulation or power limitation on demand). A modern web interface provides data on energy consumption, savings, and CO2 emissions. Can be implenmented where different sources of energy are installed.
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