Abstract
In this paper, a simplified robust control is proposed to improve the performance of three phase current controlled voltage source converter connected to the grid with an inductance-capacitor-inductance (LCL) filter. The presence of the LCL filter resonance complicates the control system dynamics and limits its overall performance, particularly when disturbances and parametric uncertainty are considered. To solve this problem, a robust active damping method based on the Linear Active Disturbance Rejection Control (LADRC) is proposed. The simplification is made possible by order reduction in the plant transfer function using Padé approximation. Evaluation results show that the proposed LADRC based active damping control achieves high power quality and good dynamic performance, in the presence of parameters variations as well as external disturbances.
| Original language | English |
|---|---|
| Title of host publication | 2017 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2017 |
| Place of Publication | usa |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781538628942 |
| DOIs | |
| State | Published - Oct 23 2017 |
| Event | 2017 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2017 - Harbin, China Duration: Aug 7 2017 → Aug 10 2017 |
Conference
| Conference | 2017 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2017 |
|---|---|
| Country/Territory | China |
| City | Harbin |
| Period | 08/7/17 → 08/10/17 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Active damping
- Active disturbance rejection control
- Grid-connected inverter
- LCL filter
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