ПРИМЕНЕНИЕ КОНТРОЛЛЕРА НЕПРЕРЫВНОГО СКОЛЬЗЯЩЕГО РЕЖИМА ВТОРОГО ПОРЯДКА (SMC) В DFTC АСИНХРОННОГО ГЕНЕРАТОРА С ДВОЙНЫМ ПИТАНИЕМ (DFIG), ИНТЕГРИРОВАННОГО В ВЕТРОТУРБИНУ: ИМИТАЦИОННЫЕ ИССЛЕДОВАНИЯ

В данной работе представлен новый нелинейный контроллер для управления прямым потоком и крутящим моментом (DFTC) ветротурбины (SRWT) на базе асинхронного генератора с двойным питанием (DFIG) с использованием контроллера непрерывного скользящего режима второго порядка (FOSOCSM). Предложены к сравнению три различных контроллера для управления электромагнитным моментом и потоком ротора асинхронного генератора с двойным питанием, приводимого в действие ветроколесом. Основной целью предлагаемой структуры управления DFTC является улучшение качества электромагнитного момента и тока статора системы SRWT за счет уменьшения пульсаций электромагнитного момента, тока статора и пульсаций потока ротора в системах DFIG-SRWT. Описана математическая модель DFIG. Представлены описания модифицированной стратегии пространственной векторной модуляции (MSVM) и предлагаемого контроллера FOSOCSM. Описана структура управления DFTC-MSVM с предлагаемыми контроллерами FOSOCSM. Показано, что предлагаемая стратегия является надежной и стабильной в отношении параметрических неопределенностей и электромагнитного момента нагрузки. Обоснованность, надежность и эффективность данной методики DFTC-FOSOCSM продемонстрированы в ходе имитационных исследований в программной среде MATLAB®. Результаты численного моделирования показывают, что предложенная схема управления DFTC с контроллерами FOSOCSM имеет более быструю переходную характеристику, чем традиционные DFTC и DFTC с классическими контроллерами SOCSM, что значительно уменьшает пульсации как в электромагнитном моменте тока статора, так и в потоке ротора по сравнению с классической техникой и с DFTC с традиционными контроллерами SOCSM.

ветроэнергетическая установка, прямое управление потоком, крутящий момент, асинхронный генератор с двойным питанием, непрерывный скользящий режим второго порядка, модифицированная пространственная векторная модуляция

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