Design and control of three-phase four-wire T-type inverters
With the movement towards carbon neutrality, renewable energy has been a popular solution to that end. However, renewable energy sources produce Direct Current (DC) power while electrical appliances operate using Alternating Current (AC) power. Hence, inverters, also known as DC-to-AC Converte...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
Nanyang Technological University
2024
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| Online Access: | https://hdl.handle.net/10356/176917 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | With the movement towards carbon neutrality, renewable energy has been a popular solution
to that end. However, renewable energy sources produce Direct Current (DC) power while
electrical appliances operate using Alternating Current (AC) power. Hence, inverters, also
known as DC-to-AC Converters, is needed to convert power from DC to AC. Inverters
mainly consist of four stages: the bridging circuit stage which can be accomplished using the
H-Bridge or T-Type topology, the Pulse Width Modulation (PWM) stage which controls the
turning on and off of the switches, the LCL filter stage which lowers the total harmonic
distortion of the output and the control stage which balances the three-phase output.
This paper aims to investigate the working principles behind the different stages of the
inverter by examining various literature. After which, a Three-Phase Four-Wire T-Type
inverters will be designed. Justifications behind design choices such as topology choice and
switch choice will also be elaborated. Once a successful inverter has been designed, a
controller will then be designed to balance the three-phase output voltage. To aid in the
simulations, software such as PLECS and MatLab will be used. |
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