Design of the electric network with building automation for a hospital

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Dr. Iváncsy Tamás
Department of Electric Power Engineering

Increasing energy demand is a key issue of our time. This is why it is important to use existing resources efficiently and economically. In my thesis I examine the modern tools for improving energy efficiency during the renovation of a hospital ward. During the planning I take into account the relevant standards and specifications.

The architectural layout and building engineering plans are necessary to design the electrical network. Therefore, I design these plans first, to the necessary degree. In the facility there are several non-typical consumers, such as X-ray, CT or MRI machines. The dimensions of the rooms are based on the installation guidelines of such medical equipment.

As a first step of planning the building’s electrical network I design the power supplies and then I lay out the heavy current network’s topology. Based on the datasheets of medical machines, I design the power supply lines considering voltage drop and thermal loads. Using the program DiaLUX, I choose the appropriate light sources and perform the lighting simulation to get the layout and the number of light sources needed. Based on the available data, I create the plans of the individual distribution boards and the main distribution board servicing the entire floor. Finally, I am giving the total consumption demand which is provided by the hospital's main supply. Here I assume that the necessary resources are available.

I use the KNX system for building automation. First I review the structure of the system and then design the appropriate topology. I choose the necessary devices depending on each room’s function. I prepare the physical addressing of the bus system and determine the logical addressing based on the functions to be implemented.


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