2 research outputs found

    BADANIE WP艁YWU U艁AMKOWEJ LICZBY SZCZELIN BIEGUN脫W NA GENERACJ臉 TURBINY WIATROWEJ PRZY U呕YCIU ULEPSZONEGO ALGORYTMU OPTYMALIZACJI C臉TKOWANEJ HIENY

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    The design of machines with permanent magnets is actively developing day by day and is often used in wind energy. The main advantages of such variable speed drives are high efficiency, high power density and torque density. When designing a wind generator with two rotors and permanent magnets, it is necessary to solve such a problem as the correct choice of the number of poles and slots to increase efficiency and minimize the cost of the machine. In this work, an improved spotted hyena optimization algorithm is used to obtain the optimal combination of slots and poles. This optimization algorithm makes it possible to obtain the number of fractional slots per pole and evaluate the operating efficiency of a wind generator with a double rotor and ferrite magnets. At the first stage of machine design, various combinations of slots are installed. Next, the optimal combination is selected from various slot-pole combinations, taking into account the Enhanced Spotted Hyena Optimization (ESHO) algorithm, in which a multi-objective function is configured. Accordingly, the multi-objectives are the integration of reverse electromotive force, output torque, gear torque, flux linkage, torque ripple along with losses. Analysis of the results obtained shows that the proposed algorithm for determining the optimal slot combination is more efficient than other slot combinations. It has also been found that the choice of slot and pole combination is critical to the efficient operation of permanent magnet machines.Projektowanie maszyn z magnesami trwa艂ymi aktywnie rozwija si臋 z dnia na dzie艅 i jest cz臋sto wykorzystywane w energetyce wiatrowej. G艂贸wnymi zaletami takich nap臋d贸w o zmiennej pr臋dko艣ci s膮 wysoka sprawno艣膰, wysoka g臋sto艣膰 mocy i g臋sto艣膰 momentu obrotowego. Podczas projektowania generatora wiatrowego z dwoma wirnikami i magnesami trwa艂ymi konieczne jest rozwi膮zanie takiego problemu, jak prawid艂owy dob贸r liczby biegun贸w i szczelin w celu zwi臋kszenia wydajno艣ci i zminimalizowania koszt贸w maszyny. W niniejszej pracy zastosowano ulepszony algorytm optymalizacji hieny plamistej w celu uzyskania optymalnej kombinacji szczelin i biegun贸w. Ten algorytm optymalizacji umo偶liwia uzyskanie liczby u艂amkowych szczelin na biegun i ocen臋 wydajno艣ci operacyjnej generatora wiatrowego z podw贸jnym wirnikiem i magnesami ferrytowymi. Na pierwszym etapie projektowania maszyny instalowane s膮 r贸偶ne kombinacje szczelin. Nast臋pnie wybierana jest optymalna kombinacja spo艣r贸d r贸偶nych kombinacji szczelin i biegun贸w, bior膮c pod uwag臋 algorytm Enhanced Spotted Hyena Optimization (ESHO) (ulepszony algorytm optymalizacjihieny c臋tkowanej hieny), w kt贸rym skonfigurowana jest funkcja wielocelowa. W zwi膮zku z tym, celami wielozadaniowymi s膮 integracja odwrotnej si艂y elektromotorycznej, wyj艣ciowego momentu obrotowego, momentu obrotowego przek艂adni, po艂膮czenia strumienia, t臋tnienia momentu obrotowego wraz ze stratami. Analiza uzyskanych wynik贸w pokazuje, 偶e proponowany algorytm okre艣lania optymalnej kombinacji szczelin jest bardziej wydajny ni偶 inne kombinacje szczelin. Stwierdzono r贸wnie偶, 偶e wyb贸r kombinacji szczelin i biegun贸w ma kluczowe znaczenie dla wydajnej pracy maszyn z magnesami trwa艂ymi

    RESEARCH THE EFFECT OF THE FRACTIONAL NUMBER SLOTS OF POLE ON WIND TURBINE GENERATION USING THE ENHANCED SPOTTED HYENA OPTIMIZATION ALGORITHM

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    The design of machines with permanent magnets is actively developing day by day and is often used in wind energy. The main advantages of such variable speed drives are high efficiency, high power density and torque density. When designing a wind generator with two rotors and permanent magnets, it is necessary to solve such a problem as the correct choice of the number of poles and slots to increase efficiency and minimize the cost of the machine. In this work, an improved spotted hyena optimization algorithm is used to obtain the optimal combination of slots and poles. This optimization algorithm makes it possible to obtain the number of fractional slots per pole and evaluate the operating efficiency of a wind generator with a double rotor and ferrite magnets. At the first stage of machine design, various combinations of slots are installed. Next, the optimal combination is selected from various slot-pole combinations, taking into account the Enhanced Spotted Hyena Optimization (ESHO) algorithm, in which a multi-objective function is configured. Accordingly, the multi-objectives are the integration of reverse electromotive force, output torque, gear torque, flux linkage, torque ripple along with losses. Analysis of the results obtained shows that the proposed algorithm for determining the optimal slot combination is more efficient than other slot combinations. It has also been found that the choice of slot and pole combination is critical to the efficient operation of permanent magnet machines
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