2023
DOI: 10.3390/en16155683
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A Backflow Power Suppression Strategy for Dual Active Bridge Converter Based on Improved Lagrange Method

Xinwen Zhang,
Canlong Wang

Abstract: Dual-active bridge (DAB) converters are receiving increasing attention from researchers as a critical part of the power transmission of energy routers. However, the DAB converter generates a large backflow power in conventional control mode, and when the load is mutated, its output voltage takes longer to return to the reference value accompanied by large fluctuations. To solve the above problems, a hybrid strategy is proposed in this paper to optimize the converter. The mathematical models of the transmitted … Show more

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Cited by 1 publication
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“…Control methods like EPS, DPS, and TPS are also used to reduce backflow power (reactive power) caused by voltage mismatch. In [21], an improved version of the EPS method, optimised based on the Lagrange method, has been investigated. The results show the possibility for good backflow power suppression but with a quite complicated computation of the duty cycle.…”
Section: Introductionmentioning
confidence: 99%
“…Control methods like EPS, DPS, and TPS are also used to reduce backflow power (reactive power) caused by voltage mismatch. In [21], an improved version of the EPS method, optimised based on the Lagrange method, has been investigated. The results show the possibility for good backflow power suppression but with a quite complicated computation of the duty cycle.…”
Section: Introductionmentioning
confidence: 99%