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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Liu Kaipei Zhang Junmin Zhang Hui |
| Copyright Year | 2005 |
| Description | Author affiliation: Sch. of Electr. Eng., Wuhan Univ. (Liu Kaipei; Zhang Junmin; Zhang Hui) |
| Abstract | In this paper a method is proposed for compensating the dead-time in a synchronous rotating reference frame, which is suitable for general-purpose inverters. A simple and practical instantaneous harmonics current detecting method is introduced, which realizes a special filter based on DFT (discrete Fourier transform). The amplitude of this filter is 1 in first-harmonic frequency, the amplitude is 0 in other harmonic, and the phase of the filter is 0 in first-harmonic frequency. The filter can follow the fundamental wave in one period. Firstly the FIR filter is designed and its coefficients are worked out in this paper. Then the recursion of filtering algorithm is obtained according to the response character of the filter, and the calculation is thus greatly simplified. One result of the output only needs two multiplications and two additions. The theoretical analysis and simulation have shown that this filter not only takes advantages of digital filters in the accuracy, but also overcomes the bad dynamics performance |
| Sponsorship | China Electrotechnical Soc. Chinese Soc. for Electr. Eng. Natural Sci. Found. of China IEEE Beijing Sect. Korean Inst. of Electr. Eng. Inst. of Electr. Eng. of Japan |
| Starting Page | 1482 |
| Ending Page | 1485 |
| File Size | 1005736 |
| Page Count | 4 |
| File Format | |
| ISBN | 7506274078 |
| DOI | 10.1109/ICEMS.2005.202796 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-09-27 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | International Academic Publishers/World Publishing Corporation |
| Subject Keyword | Switches Voltage Finite impulse response filter Pulse width modulation inverters Power harmonic filters Frequency Discrete Fourier transforms Stators Digital filters Bridge circuits |
| Content Type | Text |
| Resource Type | Article |
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