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首页> 外文会议>2013 International Conference on New Concepts in Smart Cities: Fostering Public and Private Alliances >Photovoltaic grid-connected flyback micro-inverter and boost MPPT integrated to street lighting system based on LEDs
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Photovoltaic grid-connected flyback micro-inverter and boost MPPT integrated to street lighting system based on LEDs

机译：光伏并网反激式微逆变器和升压MPPT集成到基于LED的街道照明系统中

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This work proposes an electronic driver for street lighting systems integrated to renewable energy. In recent lighting applications, the use of micro renewable generators in lighting points makes necessary the use of special electronics to handle the bidirectional energy flow in the ballast. The proposed input stage is a topology based on the integration of two flyback converters with different polarities, in order to avoid the use of the input diode bridge rectifying stage, allowing the converter operate with bidirectional energy flow. Thus, this system has two distinct operation modes. The rectifier mode is responsible to supply a street lighting system based on LEDs from de utility grid during the night, and the inverter mode must deliver energy into the power grid provided by a solar panel during the day. This work focuses in the inverter stage, which comprises a boost converter, responsible for the Maximum Power Point Tracking (MPPT), and a flyback inverter. The present topology is an alternative to standard bidirectional input stages, as it can be used to deliver energy into the power grid, due the avoidance of the input diode bridge.
机译：这项工作为集成到可再生能源的街道照明系统提出了一种电子驱动器。在最近的照明应用中，在照明点使用微型可再生发电机使得必须使用特殊的电子设备来处理镇流器中的双向能量流。提出的输入级是一种基于两个极性不同的反激式转换器的集成的拓扑结构，以避免使用输入二极管桥式整流级，从而允许转换器以双向能量流运行。因此，该系统具有两种不同的操作模式。整流器模式负责在夜间为来自公用电网的基于LED的路灯照明系统供电，而逆变器模式必须在白天将能量输送至由太阳能电池板提供的电网。这项工作集中在逆变器阶段，该阶段包括负责最大功率点跟踪（MPPT）的升压转换器和反激式逆变器。本拓扑是标准双向输入级的替代方案，因为可以避免输入二极管电桥，因此可以用于将能量传递到电网中。

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