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NOVEL ERROR TRACKING MODE AC CURRENT WAVEFORM CONTROL METHOD AND ITS AC FILTER DESIGN PROCEDURE
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| Author(s) |
Masaaki Ohshima; Eisuke Masada |
| Abstract |
The error tracking mode (ETM) control is a novel switching algorithm for the current waveform regulation in voltage source power conversion systems (PCS´s) which can generate an arbitrary current waveform and guarantees the error between the target current and the actual one to be less than an arbitrary value given beforehand. Therefore. ETM control can operate a voltage source PCS as a current amplifier. ETM control also assures the minimum continuous on and off time of main switching devices. To connect with an utility network. it is necessary for PCS´s to suppress harmonics in both current and voltage at the point of common coupling (PCC). In the worst case, voltage oscillation would occur due to the resonance of capacitance in utility networks at the switching frequency. Implementation of an ac filter to a PCS is an effective means to prevent such voltage oscillation and to reduce both voltage and current ripples. In this paper, ETM control method and its optimum ac filter design procedure are proposed and their characteristics are discussed. |
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| Filename: | Unnamed file |
| Filesize: | 499.4 KB |
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| Type |
Members Only |
| Date |
Last modified 2018-05-17 by System |
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