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An adaptive power s...
An adaptive power split strategy with a load disturbance compensator for fuel cell/supercapacitor powertrains
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- Xun, Qian, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Roda, Vicente (författare)
- Consejo Nacional de Investigaciones Cientificas y Tecnicas
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- Liu, Yujing, 1962 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Huang, Xiaoliang, 1985 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Costa-Castello, Ramon (författare)
- Consejo Nacional de Investigaciones Cientificas y Tecnicas
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(creator_code:org_t)
- Elsevier BV, 2021
- 2021
- Engelska.
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Ingår i: Journal of Energy Storage. - : Elsevier BV. - 2352-152X. ; 44
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://doi.org/10.1...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Electric vehicles powered by fuel cell and supercapacitor hybrid power sources are of great interest. However, the power allocation between each power source is challenging and the DC bus voltage fluctuation is relatively significant in cascaded PI control schemes. This paper develops a power control strategy with an adjustable cut-off frequency, using an artificial potential field, to adaptively split the load current between the fuel cell and the supercapacitor under various load conditions. The adaptive cut-off frequency is calculated by cutting the load frequency spectrum with an allocation ratio that changes with the supercapacitor state of charge. Therefore, the relatively lower frequency portion of the load current is provided by the fuel cell and the supercapacitor handles the higher frequency portion. To enhance the control performance of the DC bus voltage regulation against the load disturbance, a load disturbance compensator is introduced to suppress the DC bus voltage fluctuation when the load variation occurs, which is implemented by a feed-forward controller that can compensate the load current variation in advance. The effectiveness of the proposed strategy is validated by extensive experiments.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Supercapacitor
- Power allocation
- Load disturbance compensator
- Cut-off frequency
- Fuel cell
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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