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Open Loop Control of the Current-Source Active Power Filter
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| Author(s) |
M. Salo; H. Tuusa |
| Abstract |
This paper present a new control system for a current source active power filter. The harmonic current compensation is realized using only a feedforward control of the load currents. The LC filter resonance of the converter is damped in an open loop manner using the dynamic equations of the supply filter. The benefits of the proposed control system are that it is simple and straightforward, the number of measurements and sensors can be minimized and also that the LC filter size can be optimized according to proper harmonic distortion level of the supply currents without care about the stability issues of the closed-loop system. This usually leds to reduction of teh filter size. The control system also includes the calculation delay compensation of teh digital control system. The simulation results show effective current harmonic compensating performance of the ninlinear loads. |
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| Filename: | Unnamed file |
| Filesize: | 578.8 KB |
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| Type |
Members Only |
| Date |
Last modified 2006-02-28 by System |
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