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Content Provider | IEEE Xplore Digital Library |
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Author | Hai Tao Chen Kuai Yang Zi-de Wang Jia-liang Wang Jun |
Copyright Year | 2011 |
Description | Author affiliation: College of Electrical Engineering, Guangxi University, Nanning, China (Hai Tao; Chen Kuai) || Guangxi Yongkai Group Limited liability Company, College of Electrical Engineering, Guangxi University, Nanning, China (Yang Zi-de; Wang Jia-liang; Wang Jun) |
Abstract | Automatic synchronized grid-connected requires that voltage difference, frequency difference and phase angle difference between power network and generator are all in the permitted scope, so the generator can connect to the power network smoothly. This paper bases on voltage difference, frequency difference and phase angle difference to deduce the impulse current when the contactor closes, and researches the relationship between frequency difference and angular phase difference. Consider that the frequency of generator fluctuates sometimes, the paper provides a hardware design method which is based on Atmega16L, and uses the idea of changing sampling interval to realize generator frequency measurement and realtime adjustment, ensure frequency difference between generator and power network is smaller, so the impulse current will be also much smaller. The design is tested by experiment, and the result proofs that the adaptive adjustments to generator frequency is feasible. |
Starting Page | 951 |
Ending Page | 954 |
File Size | 729718 |
Page Count | 4 |
File Format | |
ISBN | 9781457703645 |
e-ISBN | 9781457703652 |
DOI | 10.1109/DRPT.2011.5994030 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2011-07-06 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Generators Time frequency analysis Synchronization Switches Frequency synchronization Real time systems frequency measurement synchronization angular phase difference frequency difference adaptive |
Content Type | Text |
Resource Type | Article |
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