نتایج جستجو برای: series hybrid electric bus

تعداد نتایج: 688597  

Journal: :Energy Conversion and Management 2021

To reduce emissions and fuel consumption in the automotive world, researchers are looking for alternative energy converters series hybrid electric vehicle previous studies demonstrate that turbogenerator technologies promising candidates. This study presents a methodology design, modelization, dynamic simulation of different thermodynamic architectures to compare their performances, compute eff...

Journal: :Electronics Science Technology and Application 2017

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده برق و کامپیوتر 1392

منبع ذخیره انرژی مرسوم در خودرو های هیبرید الکتریکی، باتری است. استفاده از باتری در خودروهای برقی به منظور ذخیره سازی انرژی با محدودیت هایی همچون جذب سریع و کامل انرژی ترمزی و کاهش طول عمر به علت دفعات زیاد شارژ و دشارژ، همراه است. استفاده از یک منبع توان مثل فراخازن، موازی با باتری می تواند پیک توان باتری را کاهش دهد و باعث بهبود عمر باتری شود . فراخازن بخاطر شارژ و دشارژ سریعی که دارد بخوبی م...

2012
Wei Feng

Bus fleet data have consistently shown that vehicle operating and maintenance costs increase as vehicles age. A fleet manager has to deal with the tradeoff between the lower operating and maintenance costs of newer fleets and their higher initial capital costs as well as the tradeoff between conventional and fuel efficient bus technologies. This study formulates and implements a fleet replaceme...

2012
Rakhmad Syafutra Lubis

The Generalized Unified Power Flow Controller (GUPFC) is a Voltage Source Converter (VSC) based Flexible AC Transmission System (FACTS) controller for shunt and series compensation among the multiline transmission systems of a substation. The paper proposes a full model comprising of 60pulse Gate Turn-Off thyristor VSC that is constructed becomes the GUPFC in digital simulation system and inves...

The problem of optimal economic operation of hydrothermal electric power systems is solved using powerful continuation method. While in conventional approach, fixed generation voltages are used to avoid convergence problems, in the proposed algorithm, they are treated as variables so that better solutions can be obtained. The algorithm is tested for a typical 5-bus and 17-bus New Zealand networ...

Journal: :CoRR 2016
Alexei Zhukov Victor G. Kurbatsky Nikita V. Tomin Denis N. Sidorov Daniil A. Panasetsky Aoife Foley

One of the most promising approaches for complex technical systems analysis employs ensemble methods of classification. Ensemble methods enable to build a reliable decision rules for feature space classification in the presence of many possible states of the system. In this paper, novel techniques based on decision trees are used for evaluation of the reliability of the regime of electric power...

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