SBIR Phase I: Actively Shielded Superconducting Generators for Large Wind Turbines

SBIR 第一阶段：用于大型风力涡轮机的主动屏蔽超导发电机

• 批准号: 1819321
• 负责人: Andy Yoon
• 金额: $ 21.94万
• 依托单位: HINETICS LLC
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2018
• 资助国家: 美国
• 起止时间: 2018-06-15 至 2019-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1819321&HistoricalAwards=false
• 关键词: SBIR; Phase; Actively; Shielded; Superconducting

The broader impact/commercial potential of this Small Business Innovation Research (SBIR) Phase I project is reduced levelized cost of electricity (LCOE) of offshore wind from current levels that are about twice that of onshore wind. Given the proximity of offshore wind resources to load centers along the coast, it is an attractive renewable energy source for the nation, but high costs are an impediment to widespread adoption. One way to address this is with larger turbines that can lead to lower ?balance of plant? costs, which can be as high as 65% of the total project costs of offshore wind. However, turbine rating is currently limited due to the large size and weight of the generator and the rotor, as well as infrastructure obstacles like manufacturing, transport, and assembly. The lightweight superconducting (SC) generators being developed within this project, coupled with advanced rotors already being developed by the OEM?s, could open the door to significantly larger turbine ratings and lower costs. The underlying high specific power machine technology can also help transform a number of other weight-sensitive electrical systems like hybrid electric airplanes and ship propulsion. This Small Business Innovation Research (SBIR) Phase I project seeks to disrupt the traditional risk versus benefit trade of the low Technology Readiness Level (TRL) SC technology by significantly increasing the benefits with a novel ?active magnetic shielding? concept. This design concept enables a very high operating magnetic field within the machine while eliminating the need for a yoke made of ferromagnetic steel to contain the field. The higher internal fields increase the electromagnetic torque significantly over other solutions, leading to very high power density. Additionally, the elimination of heavy iron from the magnetic circuit leads to further reduction in weight. The proposed generator design can be about half the size of currently available wind direct-drives. Efficiency is also expected to improve with the elimination of about a third of copper coils while maintaining the same current density. Available cryogenic cooling technology from the commercially successful magnetic resonance imaging (MRI) industry will be adapted and utilized in the machine to reduce many of the cryogenics related risks while maintaining high specific power.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该小企业创新研究 (SBIR) 第一阶段项目的更广泛影响/商业潜力是将海上风电的平准化电力成本 (LCOE) 从目前的水平降低到陆上风电的两倍左右。鉴于海上风电资源靠近沿海负荷中心，它对国家来说是一种有吸引力的可再生能源，但高成本阻碍了广泛采用。解决这个问题的一种方法是使用更大的涡轮机，这可能会导致“工厂平衡”降低。成本，高达海上风电项目总成本的65%。然而，由于发电机和转子的尺寸和重量较大，以及制造、运输和组装等基础设施障碍，涡轮机的额定值目前受到限制。该项目中正在开发的轻型超导 (SC) 发电机，加上 OEM 已开发的先进转子，可以为显着提高涡轮机额定值和降低成本打开大门。基础的高比功率机器技术还可以帮助改造许多其他重量敏感的电气系统，例如混合动力电动飞机和船舶推进系统。这个小型企业创新研究 (SBIR) 第一阶段项目旨在通过新型“主动磁屏蔽”显着提高效益，从而打破低技术成熟度 (TRL) SC 技术的传统风险与效益交易。概念。这种设计理念可以在机器内产生非常高的工作磁场，同时无需使用铁磁钢制成的磁轭来容纳磁场。与其他解决方案相比，更高的内部磁场显着增加了电磁扭矩，从而实现非常高的功率密度。此外，消除磁路中的重铁可以进一步减轻重量。拟议的发电机设计尺寸约为目前可用的风力直接驱动发电机的一半。在保持相同电流密度的同时，通过消除约三分之一的铜线圈，效率预计也会得到提高。来自商业上成功的磁共振成像 (MRI) 行业的现有低温冷却技术将在机器中进行调整和利用，以减少许多低温相关风险，同时保持高比功率。该奖项反映了 NSF 的法定使命，并被认为值得支持通过使用基金会的智力优点和更广泛的影响审查标准进行评估。