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Träfflista för sökning "WFRF:(Tang Jinrui) srt2:(2020)"

Sökning: WFRF:(Tang Jinrui) > (2020)

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1.
  • Li, Yang, 1984, et al. (författare)
  • Combined Primary Frequency and Virtual Inertia Response Control Scheme of Variable-Speed Dish-Stirling System
  • 2020
  • Ingår i: IEEE Access. - 2169-3536 .- 2169-3536. ; 8, s. 151719-151730
  • Tidskriftsartikel (refereegranskat)abstract
    • The potential of variable-speed dish-Stirling (VSDS) solar-thermal generating plant in providing grid frequency support is investigated. In the proposed VSDS frequency support control scheme, the reference speed of the Stirling engine is regulated to track a deloaded power curve which is governed by the solar insolation level. The gain of a supplementary speed-frequency droop controller is then set to meet the primary frequency control requirement. Further uniqueness of the VSDS control scheme pertains to the provision of virtual inertia response by regulating the kinetic energy in the rotating mass of the engine-generator and the thermal energy in the heat absorber/receivers. Small-signal analysis shows that the frequency support scheme is inherently stable, and it will provide higher degree of damping as the penetration level of the VSDS system and/or the solar insolation level increase. The efficacy of the proposed scheme is validated by computer simulation.
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2.
  • Li, Yang, 1984, et al. (författare)
  • Design of Minimum Cost Degradation-Conscious Lithium-Ion Battery Energy Storage System to Achieve Renewable Power Dispatchability
  • 2020
  • Ingår i: Applied Energy. - : Elsevier BV. - 1872-9118 .- 0306-2619. ; 260
  • Tidskriftsartikel (refereegranskat)abstract
    • The application of lithium-ion (Li-ion) battery energy storage system (BESS) to achieve the dispatchability of a renewable power plant is examined. By taking into consideration the effects of battery cell degradation evaluated using electrochemical principles, a power flow model (PFM) of the BESS is developed specifically for use in system-level study. The PFM allows the long-term performance and lifetime of the battery be predicted as when the BESS is undertaking the power dispatch control task. Furthermore, a binary mode BESS control scheme is proposed to prevent the possible over-charge/over-discharge of the BESS due to the uncertain renewable input power. Analysis of the resulting new dispatch control scheme shows that a proposed adaptive BESS state of energy controller can guarantee the stability of the dispatch process. A particle swarm optimization algorithm is developed and is incorporated into a computational procedure for which the optimum battery capacity and power rating are determined, through minimizing the capital cost of the BESS plus the penalty cost of violating the dispatch power commitment. Results of numerical examples used to illustrate the proposed design approach show that in order to achieve hourly-constant power dispatchability of a 100-MW wind farm, the minimum-cost Li-ion BESS is rated 31-MW/22.6-MWh.
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  • Resultat 1-2 av 2
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refereegranskat (2)
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Li, Yang, 1984 (2)
Choi, San Shing (2)
Xiong, Binyu (2)
Vilathgamuwa, D. Mah ... (2)
Tang, Jinrui (2)
Wang, Yu (1)
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Su, Yixin (1)
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