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Content Provider | IEEE Xplore Digital Library |
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Author | Jingmeng Ni Nong Sun Yan Xing Yu Fang |
Copyright Year | 2009 |
Description | Author affiliation: Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P.R. China (Jingmeng Ni; Nong Sun; Yan Xing; Yu Fang) |
Abstract | The three-phase PWM rectifier is one of the core techniques applied in large scale wind power system. DC-bus voltage usually fluctuates as the variation of load and ac voltage, which may hurt the safety and reliability of the system. In order to restrain dc-bus voltage fluctuation and improve system dynamic response, a direct current control and dual close loop control structure in d-q synchronous reference frame are employed. By analyzing the factors which influence the fast transient response, an optimum feed-forward control strategy is proposed based on the power balance relationship between the input and output of rectifier. With this control, the dc-bus voltage is immunized from not only variation of load but also variation of grid voltage, and the capacitance of the dc link capacitors can be reduced at same transient response demand of system. Simulation results show that the proposed control scheme has satisfactory steady-state characteristics and fast transient response. |
Starting Page | 1 |
Ending Page | 5 |
File Size | 1055221 |
Page Count | 5 |
File Format | |
ISBN | 9781424447022 |
DOI | 10.1109/WNWEC.2009.5335784 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-09-24 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Transient response Voltage fluctuations Non-grid-connected wind power Pulse width modulation Control systems Dynamic voltage scaling Wind power system Voltage control PWM rectifier Wind energy Rectifiers Dc-Bus voltage Large-scale systems Feedforward compensation Feedforward systems |
Content Type | Text |
Resource Type | Article |
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