Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Sistemas elétricos de potência"”.
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Controle de amortecimento de oscilações eletromecânicas utilizando unidades eólicas do tipo DFIG
… POD (Power Oscillation Damping) in the rotor side converter (active power grid or Reactive) of the DFIG wind units. The simulations were performed through the CEPEL programs: ANAREDE (Analysis of Electrical Networks) and ANATEM (Analysis of Electromechanical Transients) in three test systems.
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Análise de zeros atrasados em unidades offshore
… conditions, may give rise to the so called “delayed current zeros” phenomenon in the short circuit current wave, which in turn, can produce thermal stress in the circuit breaker in charge of clearing the fault. The aim of the present work is to analyze the mentioned phenomenon, as well as its …
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Gerenciamento de potências usando um conversor modular em cascata para veículos elétricos com células a combustível
… vehicle applications. Using a modular cascaded converter topology, more than one power source can be combined with capacitors to supply active and reactive power in an efficient manner to the electric motor. The control strategy to separate mean and oscillating active power and reactive …
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Long-term power systems integration using OSeMOSYS SAMBA - South America Model Base - and the bargaining power of countries : a cooperative games approach
This study intends to contribute to a better understanding of both advantages and drawbacks of power systems interconnection processes in South America. Based on data available in national and international reports, scenarios for the power supply sector expansion were modelled in the Open Source …