Decentralized Voltage Regulation and Accurate Current Sharing in a Parallel Buck Converters With Optimized Piecewise Linear Droop Control
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- 2024 18th International Conference on Probabilistic Methods Applied to Power Systems (PMAPS), 2024, 00, pp. 1-6
- Issue Date:
- 2024-09-11
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Decentralized_Voltage_Regulation_and_Accurate_Current_Sharing_in_a_Parallel_Buck_Converters_With_Optimized_Piecewise_Linear_Droop_Control.pdf | Published version | 2.47 MB |
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For DC microgrids MGs with load variations and fixed operating points the use of both linear and nonlinear droop controllers and their extensions is recommended However in future architectures with diverse loads ranging from light to heavy including constant power loads and fluctuating system parameters this approach becomes impractical Linear droop control with a single droop coefficient faces challenges in ensuring equitable current sharing due to cable resistance induced voltage drops Nonlinear droop control with a high droop coefficient at heavy loads may lead to suboptimal current sharing during light load conditions To address these issues an optimized piecewise linear droop control is proposed as an intermediary solution demonstrating superior voltage regulation and current sharing in simulations particularly under varying loads Worst case scenarios highlight the controller s dynamic adjustment of the droop coefficient for each load segment Stability assessments of parallel buck converters have been conducted by varying critical parameters
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