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- Title
A DSP-based Design of Grid Dynamic Voltage Restorer.
- Authors
GAO Tong-hui; PENG Qiu-hong; LÜ Jie; DONG Peng
- Abstract
In order to solve the fluctuation hazard caused by the dips or bumps of distributed grid voltage, this paper presents a design which uses digital signal controller TMS320F28335 as the core, adopts regular sampling and on-chip ePWM module to generate SPWM wave. The design achieves the detection and acquisition of each analog signal. The design uses the double structure of DC-AC and AC-DC-AC. The pre-stage uses power factor correction to improve the input power supply quality, and the last stage uses a topology of single phase full bridge inverter and transformer's output, with a TFT color LCD to display various parameters online. Through the experiment, the design has the functions of voltage sag compensation and improves power factor.
- Subjects
ENERGY research; ANALOG function generators; POWER factor measurement; ELECTRIC power factor; POWER resources
- Publication
Research & Exploration in Laboratory, 2014, Vol 33, Issue 4, p117
- ISSN
1006-7167
- Publication type
Article