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Title: Supervisory control for converter system
Authors: Wong, Guo Yao
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2017
Abstract: With the world going digital, communication system has become more important. With the upcoming trend of internet of things, digital equipment is now communicating with one another through various means. The most traditional method is through communication between copper wires for example the RS232. Although this method of transmission has been around for many years, the fundamental principle behind it is important as it pave the way for more complex communication form such as the Ethernet. Using a structured protocol, the communication system can be broken into many layers where each level can interact with layers above and below it. This is done to minimize the disturbance to the system when one component changes. The design of the frame/ packet in which the data will be formatted into is also very important. Careful considerations must be noted to ensure that sufficient information of the data is encoded into the frame and the length of the packet must be kept at the minimum to ensure a higher transmission performance of the data. GUI is an effective method for users to input data which will be converted into machine language. Packets are formed with the help of the GUI, to make the transmitted data as accurate as possible. Information regarding the data, such as the start byte and the check sum, will be append to the packet. The packet will be transmitted across the communication channel and received by the receiver. The receiver will interpret the packet and process the relevant data using the information from the packet. The communication protocol that is designed and used in this report is to allow monitoring for the CHB medium voltage converter. This is essential to allow changes to be made for certain specification to the cells in the converter, at the same time retrieve reading from the cell to be displayed onto the GUI. Hence this project needs to take note on the reliability of communication system.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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