Publication: Design of a power distribution system for modern building; proposed case study for a hotel
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Date
2008-05-01
Authors
Chong. Shuk Ching
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Abstract
This project aims to propose the power distribution system for a modern building. Modern building has been chosen for this project because the increased popularity of electronic products and other non-linear loads. Non-linear loads will cause harmonics which affect the power quality of the system. So, the harmonics effect must be considered in this project. The modern building chosen for this project is hotel. The first stage of the project includes designing the load data for the hotel and distributes all loads designed to each phase line of the three phase power supply. This is followed by the calculation of system’s parameters such as total harmonic distortion, power factor, harmonic current, neutral current and power. This is to determine the effects of non linear loads and power quality of the system. The calculated parameters will then be compared with the standard limits and correction procedure will be recommended. The second part of the project will focus on the basis power distribution system for the internal electrical services of the building. Calculation will be carried out to select the suitable size and type of electrical power installation equipment such as the cables, circuit breakers, distribution boards, current transformer and protection relay. Finally, the size of the emergency power supply will be estimated. All the design in this project must comply with the related standards.