Electrical design of a building

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Supervisor:
Dr. Szedenik Norbert
Department of Electric Power Engineering

The aim of my thesis was to design the electrical installation of a townhouse, meeting the relevant technical specifications and the recent consumer expectations, can be operated safely, may be expanded in case of future consumption growth, and can be implemented economically.

At first I had to do a research on the operative standards, regulations and acts. Then I examined the terms of connection to the low voltage public distribution system that pointed out the further steps of making the plan. I determined the list of the expectedly operated household and other electrical devices at the locations of usage, so I could size the network’s expected rate of charging based on the capacity of these equipment. After this, using the standards, as well as the calculating and measuring techniques demonstrated by technical literature, I determined the applicable smallest wire gauges and the parameters of the overcurrent-protection devices, taking the protection against electric shock into consideration. I made calculations relevant to the rate of the short-circuit current, that helped me to check the selectivity of protection and the wire’s thermic solidity. To keep to the prescribed voltage level, I checked the values of the voltage drop. In order to the safe usage of the nowadays popular household, information technology and entertaining devices containing electronic circuits, I planned surge protective devices in the system.

Finally, based on the calculated parameters, I created the building’s unmeasured, and one of the units’ measured network’s theoretical circuit diagram, that - in my opinion - can be directly used as the foundation of a permitting and execution plan.

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