Passive filter studies on Single Phase Matrix Converter (SPMC) operating as a rectifier / Puteri Nor Ashikin Megat Yunus
This paper presents the application of single phase matrix converter (SPMC) as an AC-DC controlled rectifier. For basic operation, the multiple PWM technique was used as a switching technique to synthesize the output. Besides, commutation strategy was developed to avoid overlapping during turn ON an...
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| Format: | Thesis |
| Language: | English |
| Published: |
2007
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| Online Access: | https://ir.uitm.edu.my/id/eprint/84732/1/84732.pdf https://ir.uitm.edu.my/id/eprint/84732/ |
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| Summary: | This paper presents the application of single phase matrix converter (SPMC) as an AC-DC controlled rectifier. For basic operation, the multiple PWM technique was used as a switching technique to synthesize the output. Besides, commutation strategy was developed to avoid overlapping during turn ON and turn OFF state of the IGBTs when inductive loads are used. The use of LC filter at the DC side of the rectifier in order to get the purely DC where the capacitor holds the output voltage at the constant level and inductor smooth the current from the rectifier will create a non sinusoidal current supply hence generated current harmonic which are injected back to the AC system. Filtering requirements for current-source rectifiers are usually satisfied through the use of Passive Filter which is low-pass LC input filters. Design of LC filters involves the positioning of the resonant frequency to meet the harmonic attenuation requirements. Besides, this application can also eliminate the supply current to be sinusoidal and in phase with the supply voltage. Simulated results are presented by using MATLAB/Simulink to validate the design approach. |
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