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Maximizing power utilization of dual converter using predictive control with steady state cost

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23220%2F21%3A43962312" target="_blank" >RIV/49777513:23220/21:43962312 - isvavai.cz</a>

  • Result on the web

    <a href="https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/pel2.12174" target="_blank" >https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/pel2.12174</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1049/pel2.12174" target="_blank" >10.1049/pel2.12174</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Maximizing power utilization of dual converter using predictive control with steady state cost

  • Original language description

    Capability to deliver maximum power of a converter is essential for increasing power density that is limiting in many applications. Therefore, control algorithm should guarantee operation within converter thermal limits. This requirement can be formalized by a hard constraint in the cost function of model predictive control (MPC). However, the temperatures of the converter elements are not constant in the steady state, which complicates evaluation of the cost on long prediction horizon. Therefore, the evaluation is simplified utilizing the analysis of steady state behaviour of the model and derived current derating laws calculated in off-line manner. The derating law is used as the terminal set in MPC which allows using one-step-ahead evaluation for efficient real-time implementation. The steady state analysis also provides coefficients for power loss balancing. The proposed approach is applied to control of dual converter, which has high redundancy of switching elements and, thus, wide space for optimization. It is shown in simulation that the proposed approach has better performance than previously published algorithms, at lower computational cost. Experimental evaluation of the algorithm performed on a converter prototype of rated power of 10 kW shows that the proposed controller is able to safely operate the converter near the thermal limit.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20201 - Electrical and electronic engineering

Result continuities

  • Project

    <a href="/en/project/EF18_069%2F0009855" target="_blank" >EF18_069/0009855: Electrical Engineering Technologies with High-Level of Embedded Intelligence</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    IET Power Electronics

  • ISSN

    1755-4535

  • e-ISSN

  • Volume of the periodical

    14

  • Issue of the periodical within the volume

    13

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    15

  • Pages from-to

    2234-2248

  • UT code for WoS article

    000680062700001

  • EID of the result in the Scopus database

    2-s2.0-85111359691