GB／T 12975-2021 船用同步发电机通用技术条件

ICS 47.020.60 U 61 GB 中华人民共和国国家标准 GB/T 12975—2021 代替 GB/T 12975—2012 船用同步发电机通用技术条件 General specification for synchronous generator in ships 2021-03-09 发布 2021-10-01 实施 国家市场监督管理总局 国家标准化管理委员会 发布 GB/T 12975—2021 目 次 前言 ········································································································································· 1 1 范围 ····································································································································· 1 2 规范性引用文件 ··················································································································· 1 3 术语和定义 ························································································································· 1 4 要求 ··································································································································· 2 5 试验方法 ··························································································································· 21 6 检验规则 ··························································································································· 27 7 产品标志 ··························································································································· 29 8 包装、运输和贮存 ············································································································· 29 9 质量保证期 ······················································································································· 30 GB/T 12975—2021 前 言 本文件按照 GB/T 1.1—2020 给出的规则起草。 本文件代替 GB/T 12975—2008《船用同步发电机通用技术条件》，与 GB/T 12975—2008 相比，除编辑性修改外主要技术变化如下： ——修改了电压整定范围要求(见 4.4.1.3，2008 年版的 4.4.1.3)； ——修改了电压调整率、波形畸变率和提升要求的内容(见 4.5.3、4.5.4、4.5.5 和 4.5.11，2008 年版的 4.5.3、4.5.4、4.5.5 和 4.5.11)； ——修改了电动机组、原动机冲击耐电压要求的内容(见 4.6.1.6、4.6.1.7、4.6.1.8，2008 年版的 4.6.1.6、4.6.1.7、4.6.1.8)； ——增加了对地冲击耐电压性能要求和试验方法内容(见 4.6.1.9、4.6.1.10)； ——增加了耐盐雾性能要求和试验方法内容(见 4.6.5、4.6.6、2008 年版的 4.6.5、4.6.6)； ——修改了温升限值和温升试验要求的内容(见 4.7、4.9、2008 年版的 4.7、4.9)； ——修改了无线电干扰限值要求和试验方法内容(见 4.8、4.9、2008 年版的 4.8、4.9)； ——增加了恒定电压偏差系数和电压调制系数内容(见 4.8、4.27、4.30，2008 年版的 4.8、4.27、4.30)； ——增加了化学气体腐蚀试验二氧化硫试验(见 5.3.1)； 本文件由中国电器工业协会提出。 本文件由全国船用机械标准化技术委员会(SAC/TC 137)归口。 本文件起草单位：中国船舶重工集团公司第七〇四研究所、上海电器科学研究所(集团)有限公司、中国船舶工业综合技术经济研究院、中国船舶重工集团公司第七一二研究所、上海马鞍山、常熟发电有限公司、江西清华泰豪三波电机有限公司、康富科技有限公司。 本文件主要起草人：李晨、刘勇、张寅、李玉生、周国强、饶智芳、万勇。 本文件所代替标准的历次版本发布情况为： ——GB/T 12975—1991、GB/T 12975—2008。