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A new control method for eliminating the 2nd harmonic at the DC link of a shunt APF under an unbalanced and nonlinear load
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| Author(s) |
Pengpai DANG, Jürgen PETZOLDT |
| Abstract |
Under an unbalanced load 2nd harmonic DC link and 3rd harmonic at AC input current of a shunt APF appear due to the fundamental negative frequency load current. These low order harmonics can cause a series of high order harmonics at both of AC and DC sides. In this paper a new control method is presented to eliminate the 2nd ripple of DC link voltage to alleviate the stress of the DC-link capacitor and thus to reduce the 3rd harmonic of line currents. |
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| Filename: | 0232-epe2011-full-19413272.pdf |
| Filesize: | 187.8 KB |
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| Type |
Members Only |
| Date |
Last modified 2012-01-26 by System |
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