德国弗劳恩霍夫太阳能系统研究所（Fraunhofer ISE）研究人员正在研发一套组网型逆变器测试程序。GFM Benchmark项目由Fraunhofer与德国四家电网公司——50Hertz Transmission GmbH、Transnet BW GmbH、Amprion GmbH和Tennet TSO GmbH合作开发，旨在评估逆变器的电网稳定性。
该项目面向企业发出邀请，测试其逆变器产品的性能。共有来自不同国家的七家公司参与测试，其设备容量从数千瓦到5兆瓦不等，技术成熟度从试点阶段到量产各有差异。
研究团队在实验室中模拟了包括频率快速变化、短路、相位跳变及正常运行等多种电网场景，对逆变器的组网性能进行测试。项目经理Roland Singer表示，部分设备在严格要求下表现相似，但在其他情况下存在显著差异。“我们几乎为每款设备提供了优化建议。”他说。
Fraunhofer ISE称，制造商对组网型逆变器的研发积极性高，此次项目不仅全面展示了市场成熟度，还为未来德国及欧洲测试标准提供了实践依据。
研究团队已将测试结果用于德国电气电子信息技术协会（VDE FNN）电网技术/电网运行论坛制定的《组网特性》文件，该文件明确了组网设备的要求和验证流程，并为将于2026年初启动的瞬时备用市场奠定基础。
Fraunhofer的测试结果将匿名发布，并于10月8日在柏林举行的第24届风能与太阳能并网研讨会上向公众展示。
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