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- Title
Performance analysis of distributed power systems using error dynamics passive output feedback control.
- Authors
S, Monesha; S, Selvaperumal
- Abstract
This paper presents a novel control approach for integrated converters using Exact Tracking Error Dynamics Passive Output Feedback control and Exact Static Error Dynamics Passive Output Feedback control. By continuously injecting active distributed power systems (DPS) power sources into the utility grid and loads, the approach reduces harmonic current distortion and maintains unity for the grid's power factor. The paper compares existing control methods, such as P, PI, proportional–integral–derivative (PID), energy structuring and damping infusion and interconnection and damping assignment—passivity-based control and considers the impacts of instantaneous fluctuations in reference current elements on the AC side and oscillations in DC voltage generated by the DC-link voltage. Relevant switching state functions are designed, and if the maximum power can be fed exceeds the required power from grid-connected loads, the true, reactive, and harmonic current elements of loads are adjusted dynamically, resulting in in-phase sinewave grid currents. The performance analysis is performed using MATLAB/Simulink, and a smaller research prototype is built and discussed.
- Subjects
PASSIVITY-based control; ELECTRIC utilities; CURRENT fluctuations; ELECTRIC power distribution grids; DISTRIBUTED feedback lasers; AC DC transformers
- Publication
Transactions of the Institute of Measurement & Control, 2024, Vol 46, Issue 1, p15
- ISSN
0142-3312
- Publication type
Article
- DOI
10.1177/01423312231190734