Houses, commercial operations and business buildings are normally connected to the electricity network with three phases. The failure of one of the phases is a state where the supply of electricity is not interrupted in the network, electricity enters the building, but not all phases are functional. Several appliances stop working, but if other appliances continue to receive electricity from the active phase, the user of the building may not detect the fault for a long time. This can cause serious damage to values, equipment, materials or goods that are damaged by the failure of appliances, e.g. failure of refrigeration equipment, air conditioning, ventilation or heating units, safety systems, three-phase motors, etc.
This problem does not only apply to houses in remote areas, but the introduction of sophisticated iHouse systems or increasing support for alternative energies cause a growing number of end-users in risks at both ends of the spectrum - households and commercial sector. Even if there are not any statistical data, it is obvious that houses neither most of commercial objects do not have source of backup power that is ready to automatically take over should the main power grid fail. Renovation, respectively reconstruction of infrastructure in the buildings is not adequate comparing the expected investment's costs.
Power supply is realized by a three-phase supply (400V) from the grid. In an event when a failure of only one phase occurs, our new technology solution in form of device after a set time automatically switches to a functional phase. If it comes to outage on all three phases the device automatically connects lead battery to voltage converter that provides power for the appliances for some time depending on the capacity of lead-acid battery and the power that the appliances have. After the event and after a specified time the phases are being scanned, and if there is voltage even just on one phase, the unit automatically switches to the functional phase. In a trouble-free mode, the device monitors the voltage in the lead battery and when the battery is empty the device automatically recharges the battery through a charger. The technology was developed at Slovak university in Nitra region which acts in the field of agriculture.
The institute is looking for partners to cooperate with via license agreement or via commercial agreement with technical assistance.