A Novel, Cost-Effective, High Performance Utility Interface for Distributed Generation

用于分布式发电的新颖、经济高效、高性能实用程序接口

• 批准号: 0099880
• 负责人: Ned Mohan
• 金额: $ 11.5万
• 依托单位: University of Minnesota-Twin Cities
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-05-15 至 2004-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0099880&HistoricalAwards=false
• 关键词: Novel; Cost; Effective; Performance; Utility

The restructuring of the utility industry has created new opportunities for distributed generation. The market for distributed generation is growing and is expected to reach between 25 to 50 GW by 2010. Current trends in the United States favor distributed generation due to its increased efficiency and reduced emissions. The objective of the proposed research is to develop a low cost, high efficiency interface system in residential buildings for connecting dc sources like fuel cells to the grid, and to provide backup power during utility outages. The proposed topology supplies output power as split single-phase (plus/minus 120 V, 240 V). A novel system configuration is proposed which essentially eliminates all switching losses, thus enabling very high efficiency and high power density.A prototype utility interface rated for an output power of 1.5 kW operating from a dc input will be built. The prototype will be thoroughly tested for its functionality and efficiency. The protection features incorporated into the system will be tested against possible fault conditions. The design will be scaled up to a 10 kW power rating.A low-cost, high efficiency utility interface (also able to act as a backup power source) will accelerate the use of distributed generation sources such as fuel cells and micro-turbines. The design of the proposed interface can be modified for higher power in three-phase applications.

公用事业行业的重组为分布式发电创造了新的机会。分布式发电市场正在增长，预计到2010年将达到25至50吉瓦。美国目前的趋势是分布式发电，因为它提高了效率，减少了排放。该研究的目的是开发一种低成本、高效率的住宅建筑接口系统，用于将燃料电池等直流电源连接到电网，并在公用事业中断时提供备用电源。所提出的拓扑提供的输出功率为分裂单相（加/减120v， 240v）。提出了一种新的系统结构，基本上消除了所有开关损耗，从而实现了非常高的效率和高功率密度。将建立直流输入额定输出功率为1.5 kW的原型实用程序接口。原型机的功能和效率将被彻底测试。纳入系统的保护功能将针对可能出现的故障情况进行测试。该设计将扩大到10千瓦的额定功率。一个低成本，高效率的实用接口（也可以作为备用电源）将加速使用分布式发电源，如燃料电池和微型涡轮机。所提出的接口的设计可以修改为更高的功率在三相应用。