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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jinwook Kim Chulsang Hawng Gilsung Byeon Gyeong-Hun Kim Engsang Kim |
| Copyright Year | 2015 |
| Description | Author affiliation: Korea Electrotechnol. Res. Inst. (KERI), Ansan, South Korea (Jinwook Kim; Chulsang Hawng; Gilsung Byeon; Gyeong-Hun Kim; Engsang Kim) |
| Abstract | Because a conventional DC-DC converter system has small variation in the input voltage, it is sufficient to use Proportional-Integral (PI) controller with fixed gains. However, in Photovoltaic (PV) systems, the operating conditions such as irradiation and ambient temperature are time-varying. In these circumstances, when the operating conditions change abruptly or the uncertainties become large, the conventional PI controller cannot assure the best performance in controlling the DC-DC converter of PV systems. For the maximum power extraction from PV systems, in addition to the performance of Maximum Power Point Tracking Power module, that of DC-DC converter is also important. To enhance the control performance of the DC-DC converter in PV systems, a controller using time-delayed information is presented. The proposed controller intentionally utilizes time-delayed information of the given system and control input to eliminate the unknown system dynamics and unexpected disturbance. By doing these actions, the controller can show robust performance to the abrupt change in the operating conditions. Through computer simulation, the validity and effectiveness of the proposed controller are evaluated by comparing with conventional PI controller. |
| Starting Page | 245 |
| Ending Page | 248 |
| File Size | 713903 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479944026 |
| ISSN | 21645264 |
| DOI | 10.1109/PEDS.2015.7203456 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-06-09 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Arrays Radiation effects DC-DC power converters Control systems Capacitors Photovoltaic systems Voltage control |
| Content Type | Text |
| Resource Type | Article |
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