NB ICS 27.180 CCS F 11 中华人民共和国能源行业标准 NB/T 11854 —2025
风力发电机组 轴电压轴电流 技术要求和测试方法 Technical requirements and test methods of shaft voltage and shaft current for wind turbine generator 2025-09-28 发布 2026-03-28 实施 国家能源局 发 布 XM110403 责编：颜昊冉 易维鑫描图 4个 中华人民共和国 能源行业标准 风力发电机组 轴电压轴电流 技术要求和测试方法 NB/T 11854 —2025 * 中国电力出版社出版、发行 （北京市东城区北京站西街 19号 100005 http://www. cepp. sgcc. com. cn ） 北京世纪东方数印科技有限公司印刷 * 2026年 月第一版 2026年 月北京第一次印刷 880毫米× 1230毫米 16开本 印张 千字 * 统一书号 155239· 定 价00.00元 版 权 专 有 侵 权 必 究 本书如有印装质量问题，我社营销中心负责退换 NB/T 11854 —2025 NB/T 11854—2025 I 目 次 前言 ······························································································································ Ⅱ 1 范 围 ·························································································································· 1 2 规范性引用文件 ··········································································································· 1 3 术语和定义 ················································································································· 1 4 技术要求 ···················································································································· 2 4.1 原 则 ····················································································································· 2 4.2 轴对地电压 ············································································································ 2 4.3 轴承电流密度 ········································································································· 2 4.4 轴承电流 ··············································································································· 2 4.5 隔绝绝缘电阻 ········································································································· 2 5 测试方法 ···················································································································· 3 5.1 测试要求 ··············································································································· 3 5.2 测试原理及方法 ······································································································ 3 图1 双端轴承支撑结构发电机的轴电压测量示意图 ································································ 3 图2 单端或趋近单端轴承支撑结构发电机的轴电压测量示意图 ················································· 4 图3 无低阻抗路径时的轴承电流测试示意图 ········································································· 5 图4 通过轴承的低阻抗路径的轴承电流测试示意图 ································································ 6 NB/T 11854—2025 II 前 言 本文件按照 GB/T 1.1 —2020《标准化工作导则 第1部分：标准化文件的结构和起草规则》的规定 起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中国电器工业协会提出。 本文件由能源行业风电标准化术委员会风电电器设备分技术委员会（ NEA/TC 1/SC 6 ）归口。 本文件起草单位：北京金风科创风电设备有限公司、机械工业北京电工技术经济研究所、华锐风电 科技（集团）股份有限公司、运达能源科技集团股份有限公司、西安辰安电气有限公司 、中车山东风电 有限公司、上海电气风电集团股份有限公司、三一重能股份有限公司、明阳智慧能源集团股份公司、中船海装风电有限公司、东方电气风电股份有限公司、中车永济电机有限公司、特变电工新疆新能源股份有限公司、远景能源有限公司、国电联合动力技术有限公司、华润新能源投资有限公司广东分公司、江 苏中车电机有限公司、华能新能源股份有限公司、华能定边新能源发电有限公司、西安中车永电捷力风 能有限公司、中国电力科学研究院有限公司、西安热工研究院有限公司、金风科技股份有限公司、维谛新能源有限公司、阳光电源股份有限公司、大连宜顺精密制造股份有限公司、北方工业大学、舍弗勒贸易（上海）有限公司、江苏联能电子技术有限公司、中国质量认证中心有限公司、国家电投集团科学技术研究院有限公司、北京源清慧虹信息科技有限公司、郑州理工职业学院。 本文件主要起草人：李 术林、果岩、黄强、李康、林鸿辉、孙杨、刘倩、赵奉斌、黄鑫、任健、 王国帅、李琳、陈旭、蒲陈阳、郭涛、杜炜、秦鑫、王其君、李建富、王涛、王永军、刘鹏、刘金鹿、 杨喜民、王建良、张清平、叶林、孟喆、王曦、张晋军、雷原、薛扬、邓巍、李冲、张智勇、霍钧、白亮、蔡雅娜、吴安、吴玉杨、王铎、姜中殿、苑国锋、孙佳林、马建伟、杨晓波、闫东淼、侯洪强、严帅、王鹏军、徐大帅。 本文件为首次发布。 NB/T 11854—2025 1 风力发电机组 轴电压轴电流 技术要求和测试方法 1 范 围 本文件规定了风力发电机组轴电压和轴电流的技术要求和测试方法等。 本文件主要针对轴承的电腐蚀失效模式，适用于中速永磁（ 1380 V及以下）、双馈（ 1140 V及以下） 风力发电机组的发电机转轴轴电压、轴电流相关要求，其他机型参照相似拓扑结构执行。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件， 仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本文件。 GB/T 1029 三相同步电机试验方法 GB/T 1032 三相异步电动机试验方法 3 术语和定义 下列术语和定义适用于本文件。 3.1 轴电压 shaft voltage 由于磁通不平衡、变频供电或静电感应，通