|Title:||Design and development of an efficient simulation software for power supply distribution system in the MTR Corporation|
|Subject:||Mass Transit Railway Corporation|
Electric power systems -- China -- Hong Kong
Electric power distribution -- China -- Hong Kong
Hong Kong Polytechnic University -- Dissertations
|Department:||Department of Electrical Engineering|
|Pages:||86 leaves : ill. ; 30 cm|
|Abstract:||This study aims to design an efficient simulation software for the study of power flow in the AC power distribution system of MTR Corporation. The software is expected for the use of design engineers in the High Voltage Electrical System team for their power system long/short term power system design and analysis. The development of the software is based on the object-oriented technology. The use of the technology enhances the development of the input system by a Windows-based graphical user interface (GUI) tailor-made for the Corporation. By making use of the technology, a Distribution Circuit Object Model (DCOM) is designed which allows users to build their own designed power networks on the GUI. A Generalised Network Access Method (GNAM) is developed to update and control the object based power networks for various system calculations and graphical displays. The developed GNAM also simply the programming structure and at the same time provide a high degree of modularity suitable for future software enhancement. Because of the single-source characterises of the power network in the Corporation, the Nodal admittance method is proposed for power flow studies, and a AC Norton-equivalent model is developed to support studies of the system with voltage dependent loads. The model is an extension study on the DC Norton-equivalent model applicable on power flow calculations for DC traction system.|
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