Article(id=1209928225573179945, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209928218329616824, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2024.05.010, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1694534400000, receivedDateStr=2023-09-13, revisedDate=1698595200000, revisedDateStr=2023-10-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1766398968355, onlineDateStr=2025-12-22, pubDate=1716134400000, pubDateStr=2024-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766398968355, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766398968355, creator=13701087609, updateTime=1766398968355, updator=13701087609, issue=Issue{id=1209928218329616824, tenantId=1146029695717560320, journalId=1149653034449285133, year='2024', volume='57', issue='5', pageStart='1', pageEnd='124', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766398966629, creator=13701087609, updateTime=1766563901766, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1210620006501585415, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209928218329616824, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1210620006501585416, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209928218329616824, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=66, endPage=72, ext={EN=ArticleExt(id=1209928225866781238, articleId=1209928225573179945, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Selection and optimization design of 220 kV ester oil transformer for offshore substation, columnId=1209928219172671930, journalTitle=Insulating Materials, columnName=Special Issue on High-performance Transformer Insulation, runingTitle=null, highlight=null, articleAbstract=
Natural ester and synthetic ester insulating oils are getting more and more application in transformer industry because of their eco-friendly and excellent fire resistance characteristics. At present, there is no precedent in China for the application of environment friendly ester insulating oil in 220 kV power transformers for offshore substation. According to the characteristics and requirements of offshore substation, the selection of transformer ester oil types and insulation system types were studied in this paper. Taking SZ-150000/220 type transformer as the object, an improved model of the transformer body structure was established for simulation analysis, and the simulation results show that the ester insulating oil meet the requirements of insulation and temperature rise of 220 kV power transformer. The feasibility of ester insulating oil applied in 220 kV power transformer for offshore substation was discussed through comparative analysis and simulation calculation, and an optimized design scheme was proposed to make the equipment adapt the requirements of offshore operating environment, which provides a reference for the application of ester oil transformer in offshore substation.
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天然酯绝缘油和合成酯绝缘油由于具有生态友好、防火性能优异的特点,在变压器行业得到越来越多的应用。目前,国内还没有环保酯类绝缘油应用于海上升压站220 kV电力变压器的先例。本文根据海上升压站特点与要求对变压器酯油类型和绝缘系统类型进行选型研究,以SZ-150000/220型变压器为对象,建立变压器器身结构改进模型进行仿真分析,仿真验证结果表明酯类绝缘油满足220 kV变压器的绝缘和温升要求。本文通过对比分析和仿真计算探讨了酯类绝缘油用于海上升压站220 kV电力变压器的可行性,并提出优化设计方案使设备适应海上运行环境要求,为酯油变压器在海上升压站的应用提供了参考。
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杨国泰(1990-),男(汉族),湖北汉川人,工程师,主要从事变压器用绝缘材料与技术的研究。
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杨建军(1964-),男(汉族),浙江杭州人,教授级高级工程师,主要从事水电和新能源工程电气系统的设计研究。
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1中国电建集团华东勘测设计研究院有限公司,浙江 杭州 310014, bio={"content":"
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杨建军(1964-),男(汉族),浙江杭州人,教授级高级工程师,主要从事水电和新能源工程电气系统的设计研究。
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2中国电力科学研究院有限公司,湖北 武汉 430074, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1217500242627444841, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, xref=2, ext=[AuthorCompanyExt(id=1217500242635833450, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, companyId=1217500242627444841, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3西门子能源变压器(武汉)有限公司,湖北 武汉 430050, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1217500242753273966, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, xref=3, ext=[AuthorCompanyExt(id=1217500242765856880, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, companyId=1217500242753273966, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1Power China Huadong Engineering Corporation Limited, Hangzhou 310014, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1217500244275806400, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, authorId=1217500244057702586, language=CN, stringName=汪天呈, firstName=天呈, middleName=null, lastName=汪, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国电建集团华东勘测设计研究院有限公司,浙江 杭州 310014, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1217500242501615714, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, xref=1, ext=[AuthorCompanyExt(id=1217500242518392931, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, companyId=1217500242501615714, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2中国电力科学研究院有限公司,湖北 武汉 430074)])])], keywords=[Keyword(id=1217500245223719145, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, orderNo=1, keyword=offshore substation), Keyword(id=1217500245311799537, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, orderNo=2, keyword=ester oil transformer), Keyword(id=1217500245387297013, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, orderNo=3, keyword=environmentally friendly), Keyword(id=1217500245458600185, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, orderNo=4, keyword=optimization design), Keyword(id=1217500245542486272, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, orderNo=1, keyword=海上升压站), Keyword(id=1217500245622178052, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, orderNo=2, keyword=酯油变压器), Keyword(id=1217500245722841352, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, orderNo=3, keyword=环保), Keyword(id=1217500245798338829, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, orderNo=4, keyword=优化设计)], refs=[Reference(id=1217500250084917679, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, doi=null, pmid=null, pmcid=null, year=2020, volume=null, issue=6, pageStart=51, pageEnd=53, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=黄海龙, 胡志良, 代万宝, journalName=能源与节能, refType=null, unstructuredReference=黄海龙,胡志良,代万宝,等.海上风电发展现状及发展趋势[J].
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Schematic diagram of class Ⅰ insulation combination, figureFileSmall=bJfz+40o3adBxUai/YEB3A==, figureFileBig=5r8L+zOUP771wby3mAjkvQ==, tableContent=null), ArticleFig(id=1217500247597695280, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=图2, caption=
Ⅰ类绝缘组合示意图, figureFileSmall=bJfz+40o3adBxUai/YEB3A==, figureFileBig=5r8L+zOUP771wby3mAjkvQ==, tableContent=null), ArticleFig(id=1217500247702552890, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Fig.3, caption=
Schematic diagram of class Ⅱ insulation combination, figureFileSmall=xkRmizS4jfqu196Qyw6igg==, figureFileBig=wjRFiMURMdMJ3rOBmMJdZw==, tableContent=null), ArticleFig(id=1217500247794827584, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=图3, caption=
Ⅱ类绝缘组合结构示意图, figureFileSmall=xkRmizS4jfqu196Qyw6igg==, figureFileBig=wjRFiMURMdMJ3rOBmMJdZw==, tableContent=null), ArticleFig(id=1217500247861936451, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Fig.4, caption=
Schematic diagram of class Ⅲ insulation combination, figureFileSmall=RfAJIO6WsP105NAtj4biCA==, figureFileBig=SYRfWE6LTk8rb4sUuaLg2Q==, tableContent=null), ArticleFig(id=1217500247941628235, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=图4, caption=
Ⅲ类绝缘组合结构示意图, figureFileSmall=RfAJIO6WsP105NAtj4biCA==, figureFileBig=SYRfWE6LTk8rb4sUuaLg2Q==, tableContent=null), ArticleFig(id=1217500248029708624, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Fig.5, caption=
Simplified calculation model of main insulation electric field of transformer, figureFileSmall=hXVz/vkxsmGWc/AB163XVA==, figureFileBig=oaWdbXsBvvyEl5aZXHz/8g==, tableContent=null), ArticleFig(id=1217500248113594707, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=图5, caption=
变压器主绝缘电场简化计算模型, figureFileSmall=hXVz/vkxsmGWc/AB163XVA==, figureFileBig=oaWdbXsBvvyEl5aZXHz/8g==, tableContent=null), ArticleFig(id=1217500248222646617, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Fig.6, caption=
Equipotential lines distribution of transformer main insulation under power frequency, figureFileSmall=t0U8G/D5n3dTdxtmWVmKRg==, figureFileBig=H0lTCNj4pKvV8v/XtQ6lFQ==, tableContent=null), ArticleFig(id=1217500248327504220, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=图6, caption=
工频下变压器主绝缘等电位线分布, figureFileSmall=t0U8G/D5n3dTdxtmWVmKRg==, figureFileBig=H0lTCNj4pKvV8v/XtQ6lFQ==, tableContent=null), ArticleFig(id=1217500248423973214, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Fig.7, caption=
Electric field intensity distribution nephogram of transformer main insulation under power frequency, figureFileSmall=CiDbe5l0mahQLOEytzlbNg==, figureFileBig=WjMAH3Piu9b0qfmW9BFZ9Q==, tableContent=null), ArticleFig(id=1217500248495276385, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=图7, caption=
工频下变压器主绝缘电场强度分布云图, figureFileSmall=CiDbe5l0mahQLOEytzlbNg==, figureFileBig=WjMAH3Piu9b0qfmW9BFZ9Q==, tableContent=null), ArticleFig(id=1217500248587551077, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Fig.8, caption=
Simulation diagram of transformer winding temperature field, figureFileSmall=oG+lGwRbbcC4PO3Sdz05ew==, figureFileBig=1eZFK8kG7d/H/aXA2RSYaw==, tableContent=null), ArticleFig(id=1217500248734351718, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=图8, caption=
变压器绕组温度场仿真图, figureFileSmall=oG+lGwRbbcC4PO3Sdz05ew==, figureFileBig=1eZFK8kG7d/H/aXA2RSYaw==, tableContent=null), ArticleFig(id=1217500248868569455, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Fig.9, caption=
Layout plan of main transformers for offshore substation, figureFileSmall=pyEPrWDIrD7MM5ZNPwYj5g==, figureFileBig=9chm6i3IG6btVZ4xNfmbsA==, tableContent=null), ArticleFig(id=1217500248960844145, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=图9, caption=
海上升压站主变压器布置方案, figureFileSmall=pyEPrWDIrD7MM5ZNPwYj5g==, figureFileBig=9chm6i3IG6btVZ4xNfmbsA==, tableContent=null), ArticleFig(id=1217500249078284662, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Tab.1, caption=
Typical performance parameters of three insulating oils, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 矿物绝缘油 | 天然酯绝缘油 | 合成酯绝缘油 |
|---|
| 物理性能 | 密度(20℃)/(g/cm3) | 0.88 | 0.92 | 0.97 |
| 比热容(20℃)/(J/(kg·K)) | 1 860 | 1 848 | 1 880 |
| 热导率(20℃)/(W/(m·K)) | 0.126 | 0.177 | 0.144 |
| 运动黏度(20℃)/(mm2/s) | 22 | 85 | 70 |
| 运动黏度(100℃)/(mm2/s) | 2.6 | 8.4 | 5.3 |
| 倾点/℃ | -50 | -20 | -60 |
| 膨胀系数/(×10-3 K-1) | 0.75 | 0.74 | 0.75 |
| 闪点/℃ | 150 | 316 | 260 |
| 燃点/℃ | 170 | 360 | 316 |
| 28天降解率(OECD 301 F)/% | 不降解 | 97 | 89 |
| 火灾危险等级(IEC 61100) | O1 | K2 | K3 |
| 化学性能 | 腐蚀性硫 | — | 非腐蚀性 |
| 酸值/(mgKOH/g) | ≤0.01 | ≤0.03 | ≤0.03 |
| 净热值/(mJ/kg) | 46.0 | 37.5 | 31.6 |
| PCB含量/(mg/L) | — | 检测不出 |
| 电气性能 | 击穿电压/kV | 70 | 75 | 75 |
| 介质损耗因数(90℃)/% | 0.2 | 0.3 | 0.8 |
| 介电常数 | 2.2 | 3.1 | 3.2 |
), ArticleFig(id=1217500249174753660, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=表1, caption=
3种绝缘油典型性能参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 矿物绝缘油 | 天然酯绝缘油 | 合成酯绝缘油 |
|---|
| 物理性能 | 密度(20℃)/(g/cm3) | 0.88 | 0.92 | 0.97 |
| 比热容(20℃)/(J/(kg·K)) | 1 860 | 1 848 | 1 880 |
| 热导率(20℃)/(W/(m·K)) | 0.126 | 0.177 | 0.144 |
| 运动黏度(20℃)/(mm2/s) | 22 | 85 | 70 |
| 运动黏度(100℃)/(mm2/s) | 2.6 | 8.4 | 5.3 |
| 倾点/℃ | -50 | -20 | -60 |
| 膨胀系数/(×10-3 K-1) | 0.75 | 0.74 | 0.75 |
| 闪点/℃ | 150 | 316 | 260 |
| 燃点/℃ | 170 | 360 | 316 |
| 28天降解率(OECD 301 F)/% | 不降解 | 97 | 89 |
| 火灾危险等级(IEC 61100) | O1 | K2 | K3 |
| 化学性能 | 腐蚀性硫 | — | 非腐蚀性 |
| 酸值/(mgKOH/g) | ≤0.01 | ≤0.03 | ≤0.03 |
| 净热值/(mJ/kg) | 46.0 | 37.5 | 31.6 |
| PCB含量/(mg/L) | — | 检测不出 |
| 电气性能 | 击穿电压/kV | 70 | 75 | 75 |
| 介质损耗因数(90℃)/% | 0.2 | 0.3 | 0.8 |
| 介电常数 | 2.2 | 3.1 | 3.2 |
), ArticleFig(id=1217500249262834048, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Tab.2, caption=
Comparison of common insulation combination for ester oil transformers, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | Ⅰ类绝缘组合 | Ⅱ类绝缘组合 | Ⅲ类绝缘组合 |
|---|
| 绝缘件类型 | 导线绝缘 | C | H | H |
| 垫块/撑条 | C | C | H |
| 绝缘隔板 | C | C | H |
| 绝缘件应用温度 | 顶层油温升 | C | C | H |
| 绕组平均温升 | C | H | H |
| 绕组热点温升 | C | H | H |
), ArticleFig(id=1217500249359303047, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=表2, caption=
酯油变压器常用绝缘组合的比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | Ⅰ类绝缘组合 | Ⅱ类绝缘组合 | Ⅲ类绝缘组合 |
|---|
| 绝缘件类型 | 导线绝缘 | C | H | H |
| 垫块/撑条 | C | C | H |
| 绝缘隔板 | C | C | H |
| 绝缘件应用温度 | 顶层油温升 | C | C | H |
| 绕组平均温升 | C | H | H |
| 绕组热点温升 | C | H | H |
), ArticleFig(id=1217500249447383437, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Tab.3, caption=
Temperature rise limit of different insulation combination, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | Ⅰ类绝缘组合 | Ⅱ类绝缘组合 | Ⅲ类绝缘组合 |
|---|
| 固体绝缘耐热等级最低要求 | 105级(A) | 120级(E) | 130级(B) |
| 顶层液体温升/K | 60 | 60 | 85 |
| 绕组平均温升/K | 65 | 75 | 85 |
| 固体绝缘的热点温升/K | 78 | 90 | 100 |
), ArticleFig(id=1217500249564823954, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=表3, caption=
不同绝缘组合的温升限值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | Ⅰ类绝缘组合 | Ⅱ类绝缘组合 | Ⅲ类绝缘组合 |
|---|
| 固体绝缘耐热等级最低要求 | 105级(A) | 120级(E) | 130级(B) |
| 顶层液体温升/K | 60 | 60 | 85 |
| 绕组平均温升/K | 65 | 75 | 85 |
| 固体绝缘的热点温升/K | 78 | 90 | 100 |
), ArticleFig(id=1217500249627738517, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=EN, label=Tab.4, caption=
Insulation level parameter, figureFileSmall=null, figureFileBig=null, tableContent=
绕组 端子(单位) | 设备最高电压Um/kV | 操作冲击耐受电压USI/kV | 雷电全波冲击耐受电压ULI/kV | 雷电截波冲击耐受电压ULIC/kV | 交流耐受电压UAC/kV |
|---|
| HV | 252 | 750 | 950 | 1 050 | 395 |
| HVN | 126 | — | 400 | — | 200 |
| LV | 40.5 | — | 200 | 220 | 85 |
), ArticleFig(id=1217500249694847387, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209928225573179945, language=CN, label=表4, caption=
绝缘水平参数
, figureFileSmall=null, figureFileBig=null, tableContent=
绕组 端子(单位) | 设备最高电压Um/kV | 操作冲击耐受电压USI/kV | 雷电全波冲击耐受电压ULI/kV | 雷电截波冲击耐受电压ULIC/kV | 交流耐受电压UAC/kV |
|---|
| HV | 252 | 750 | 950 | 1 050 | 395 |
| HVN | 126 | — | 400 | — | 200 |
| LV | 40.5 | — | 200 | 220 | 85 |
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