首页 GB 20052-2020 电力变压器能效限定值及能效等级

GB 20052-2020 电力变压器能效限定值及能效等级

举报
开通vip

GB 20052-2020 电力变压器能效限定值及能效等级书书书犐犆犛27.010犉01!"#$%&''()*犌犅20052—2020!"GB24790—2009,GB20052—2013!"#$%&'()*+&',-犕犻狀犻犿狌犿犪犾犾狅狑犪犫犾犲狏犪犾狌犲狊狅犳犲狀犲狉犵狔犲犳犳犻犮犻犲狀犮狔犪狀犱狋犺犲犲狀犲狉犵狔犲犳犳犻犮犻犲狀犮狔犵狉犪犱犲狊犳狅狉狆狅狑犲狉狋狉犪狀狊犳狅狉犿犲狉狊20200529./2021060101'(+...

GB 20052-2020 电力变压器能效限定值及能效等级
书书书犐犆犛27.010犉01!"#$%&''()*犌犅20052—2020!"GB24790—2009,GB20052—2013!"#$%&'()*+&',-犕犻狀犻犿狌犿犪犾犾狅狑犪犫犾犲狏犪犾狌犲狊狅犳犲狀犲狉犵狔犲犳犳犻犮犻犲狀犮狔犪狀犱狋犺犲犲狀犲狉犵狔犲犳犳犻犮犻犲狀犮狔犵狉犪犱犲狊犳狅狉狆狅狑犲狉狋狉犪狀狊犳狅狉犿犲狉狊20200529./2021060101'(+,-./012'()*3/0456./书书书前  言  本 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 按照GB/T1.1—2009给出的规则起草。本标准代替GB24790—2009《电力变压器能效限定值及能效等级》和GB20052—2013《三相配电变压器能效限定值及能效等级》,与GB24790—2009、GB20052—2013相比,除编辑性修改外主要技术变化如下:———修改了标准的适用范围(见第1章,GB24790—2009的第1章,GB20052—2013的第1章);———删除了配电变压器节能评价值(见GB20052—2013的3.2、4.4);———删除了电力变压器节能评价值和目标能效限定值(见GB24790—2009的3.2、3.3、4.4、4.5);———提高了10kV配电变压器产品的空载损耗或负载损耗指标要求(见表1、表2,GB20052—2013的表1、表2);———提高了35kV、66kV、110kV、220kV电力变压器产品的空载损耗或负载损耗指标要求(见表3~表17,GB24790—2009的表1~表13);———增加了330kV电力变压器能效等级(见表18~表24);———增加了500kV电力变压器能效等级(见表25~表28);———增加了330kV电力变压器的能效限定值要求[见5.2f)];———增加了500kV电力变压器的能效限定值要求[见5.2g)];———增加了非晶合金配电变压器能效限定值(见表1、表2)。本标准由国家标准化管理委员会提出并归口。本标准起草单位:中国标准化研究院、特变电工衡阳变压器有限公司、特变电工股份有限公司、中国电力科学研究院有限公司、国网电力科学研究院、国网江苏省电力有限公司电力科学研究院、广东产品质量监督检验研究院、深圳供电规划设计院有限公司、特变电工沈阳变压器集团有限公司、海鸿电气有限公司、上海置信电气股份有限公司、卧龙电气集团北京华泰变压器有限公司、西安西电变压器有限 责任 安全质量包保责任状安全管理目标责任状8安全事故责任追究制幼儿园安全责任状占有损害赔偿请求权 公司、保定天威集团特变电气有限公司、特变电工股份有限公司新疆变压器厂、江苏华鹏变压器有限公司、特变电工湖南电气有限公司、电力工业电气设备质量检验测试中心、国际铜专业协会(美国)北京代表处、吴江变压器有限公司、天津市特变电工变压器有限公司、宝山钢铁股份有限公司、山东省产品质量检验研究院。本标准主要起草人:刘韧、贾贺强、韩筛根、孙树波、蔡胜伟、蒋浩、李新建、凌健、陆云才、梁庆宁、杨春、胡卓超、张少剑、张凌宇、何宝振、付超、赵峰、穆怀晨、杜砚、张淑珍、李文刚、陈海红、关银环、赵文忠、刘波、易梅生、赵静、高键、孟杰、涂杰、王中航、李春霞。本标准所代替标准的历次版本发布情况为:———GB24790—2009;———GB20052—2006、GB20052—2013。Ⅰ犌犅20052—2020电力变压器能效限定值及能效等级1 范围本标准规定了三相电力变压器的能效限定值、能效等级和试验方法。本标准适用于三相10kV电压等级、无励磁调压、额定容量30kVA~2500kVA的油浸式配电变压器和额定容量30kVA~2500kVA的干式配电变压器,额定频率为50Hz、电压等级为35kV~500kV、额定容量为3150kVA及以上的三相油浸式电力变压器。本标准不适用于充气式变压器、高阻抗变压器。2  规范 编程规范下载gsp规范下载钢格栅规范下载警徽规范下载建设厅规范下载 性引用文件下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文件。凡是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/T1094.1 电力变压器 第1部分:总则GB/T1094.11 电力变压器 第11部分:干式变压器GB/T2900.95 电工术语 变压器、调压器和电抗器GB/T6451 油浸式电力变压器技术参数和要求GB/T10228 干式电力变压器技术参数和要求GB/T22072 干式非晶合金铁心配电变压器技术参数和要求GB/T25438 三相油浸式立体卷铁心配电变压器技术参数和要求GB/T25446 油浸式非晶合金铁心配电变压器技术参数和要求3 术语和定义GB/T1094.1、GB/T1094.11和GB/T2900.95界定的以及下列术语和定义适用于本文件。3.1变压器能效限定值 犿犻狀犻犿狌犿犪犾犾狅狑犪犫犾犲狏犪犾狌犲狊狅犳犲狀犲狉犵狔犲犳犳犻犮犻犲狀犮狔犳狅狉狆狅狑犲狉狋狉犪狀狊犳狅狉犿犲狉在规定测试条件下,变压器空载损耗和负载损耗的允许最高限值。4 能效等级电力变压器能效等级分为3级,其中1级能效最高,损耗最低。5 技术要求5.1 基本要求电力变压器技术参数和技术要求应符合GB/T1094.1、GB/T6451,油浸式非晶合金铁心变压器还应符合GB/T25446,立体卷铁心配电变压器还应符合GB/T25438。干式配电变压器其他技术参数和技术要求应符合GB/T1094.11、GB/T10228,干式非晶合金铁心变压器还应符合GB/T22072。1犌犅20052—20205.2 变压器能效限定值变压器能效限定值如下:a) 10kV配电变压器空载损耗和负载损耗限值均应不高于表1和表2的规定;b) 35kV电力变压器空载损耗和负载损耗限值均应不高于表3和表4的规定;c) 66kV电力变压器空载损耗和负载损耗限值均应不高于表5和表6的规定;d) 110kV电力变压器空载损耗和负载损耗限值均应不高于表7~表11的规定;e) 220kV电力变压器空载损耗和负载损耗限值均应不高于表12~表17的规定;f) 330kV电力变压器空载损耗和负载损耗限值均应不高于表18~表24的规定;g) 500kV电力变压器空载损耗和负载损耗限值均应不高于表25~表28的规定。6 试验方法电力变压器的空载损耗和负载损耗应按GB/T1094.1、GB/T1094.11中的试验方法进行测试。2犌犅20052—2020书书书表1 10犽犞油浸式三相双绕组无励磁调压配电变压器能效等级额定容量kVA1级2级3级电工钢带非晶合金电工钢带非晶合金电工钢带非晶合金空载损耗W负载损耗WDyn11/Yzn11Yyn0空载损耗W负载损耗WDyn11/Yzn11Yyn0空载损耗W负载损耗WDyn11/Yzn11Yyn0空载损耗W负载损耗WDyn11/Yzn11Yyn0空载损耗W负载损耗WDyn11/Yzn11Yyn0空载损耗W负载损耗WDyn11/Yzn11Yyn0短路阻抗%306545543025510480705054803353551080630600336306005080655625357357009073069543780745100910870439108706390785745408808401008708305093089011010901040501090104080105945900501060101011510501000601120107013013101250601310125010012011401080601270121513512651200751350128515015801500751580150012513513601295701530145015015101440851615154017018901800851890180016016016651585801870178018018501760100197518802002310220010023102200200190197018709522102100215218520801202330222524027302600120273026002502302300219511025902470260256024401402735261029032003050140320030503152702760263013531002950305306529201703275312034038303650170383036504003303250309516036603480370361534402003865367541045204300200452043005003853900371019043804170430433041202404625440048054105150240541051504.063046044602505020510496032053005706200320620080056054003006075630600038064157007500380750010006657415360834074582404508800830103004501030012507808640425972087096005301026097012000530120001600940104405001174510501160063012400117014500630145004.5200010851318055014000122514640710148001360183007201830025001280133606701545014401484086016300160021200865212005.03犌犅20052—2020书书书表2 10犽犞干式三相双绕组无励磁调压配电变压器能效等级额定容量kVA1级2级3级电工钢带非晶合金电工钢带非晶合金电工钢带非晶合金空载损耗W负载损耗WB(100℃)F(120℃)H(145℃)空载损耗W负载损耗WB(100℃)F(120℃)H(145℃)空载损耗W负载损耗WB(100℃)F(120℃)H(145℃)空载损耗W负载损耗WB(100℃)F(120℃)H(145℃)空载损耗W负载损耗WB(100℃)F(120℃)H(145℃)空载损耗W负载损耗WB(100℃)F(120℃)H(145℃)短路阻抗%3010560564068550605640685130605640685606056406851506707107607067071076050155845900965608459009651858459009657584590096521594010001070909401000107080210116012401330851160124013302501160124013301001160124013302951290138014801201290138014801002301330141515209013301415152027013301415152011013301415152032014801570169013014801570169012527015651665178010515651665178032015651665178013015651665178037517401850198015017401850198016031018001915205012018001915205036518001915205014518001915205043020002130228017020002130228020036021352275244014021352275244042021352275244017021352275244049523702530271020023702530271025041523302485266516023302485266549023302485266519523302485266557525902760296023025902760296031551029453125335519529453125335560029453125335523529453125335570532703470373028032703470373040057033753590385021533753590385066533753590385026533753590385078537503990428031037503990428050067041304390470525041304390470579041304390470530541304390470593045904880523036045904880523063077549755290566029549755290566091049755290566036049755290566010705530588062904205530588062904.06307505050536557602905050536557608855050536557603505050536557601040561059606400410561059606400800875589562656715335589562656715103558956265671541058956265671512156550696074604806550696074601000102068857315788538568857315788512056885731578854706885731578851415765081308760550765081308760125012058190872093354558190872093351420819087209335550819087209335167091009690103706509100969010370160014159945105551132053099451055511320166599451055511320645994510555113201960110501173012580760110501173012580200017601224013005140057001224013005140052075122401300514005850122401300514005244013600144501556010001360014450155602500208014535154451660584014535154451660524501453515445166051020145351544516605288016150171701845012001615017170184506.04犌犅20052—2020表3 35犽犞油浸式三相双绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%31501.720.72.020.72.421.940002.024.62.324.62.925.950002.428.22.828.23.529.7763002.931.53.431.54.233.380004.034.64.734.65.836.5100004.840.85.740.87.043.0125005.548.46.548.48.051.1160006.759.27.959.29.762.5200007.971.69.471.611.575.58250009.484.611.184.613.689.33150011.1100.813.1100.816.2106.410表4 35犽犞油浸式三相双绕组有载调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%31501.822.22.122.22.623.540002.126.22.526.23.127.650002.630.83.030.83.732.5763003.133.03.733.04.534.980004.336.55.136.56.338.6100005.143.26.043.27.445.67.5125006.051.17.151.18.754.0160007.263.38.563.310.566.8200008.574.410.174.412.478.682500010.188.011.988.014.692.93150012.0104.414.2104.417.4110.2105犌犅20052—2020表5 66犽犞油浸式三相双绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%31502.220.72.620.73.221.940002.624.63.124.63.825.950003.127.63.727.64.629.2863004.030.84.730.85.832.580004.936.55.836.57.138.5100005.843.06.843.08.445.4125006.851.18.151.19.954.0160008.362.89.862.812.066.3200009.776.111.476.114.180.42500011.490.013.590.016.695.03150013.5108.016.0108.019.7114.04000016.2126.919.1126.923.5134.05000019.4150.322.9150.328.2158.76300022.9178.227.0178.233.3188.19表6 66犽犞油浸式三相双绕组有载调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%63004.430.85.230.86.432.580005.336.56.236.57.738.5100006.243.07.343.09.045.4125007.451.18.751.110.754.0160008.962.810.562.812.966.32000010.676.112.576.115.480.42500012.590.014.890.018.295.03150014.8108.017.5108.021.5114.04000017.7126.920.9126.925.8134.05000020.9150.324.7150.330.4158.76300024.7178.229.2178.235.9188.196犌犅20052—2020表7 110犽犞油浸式三相双绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%63004.1324.8325.93380004.9385.8387.140100005.8456.8458.448125006.8538.1539.956160008.365.79.865.712.069200009.77911.47914.1842500011.49413.59416.6993150013.511116.011119.71174000016.213319.113323.51415000019.415822.915828.21666300022.918727.018733.319810.57500026.021230.721237.82249000029.924535.424543.525812000037.330344.130354.232015000044.135952.135964.137918000049.541158.541172.043412~14表8 110犽犞油浸式三相双绕组低压为35犽犞无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%63004.4335.2336.43580005.3406.2407.742100006.2477.3479.049125007.2568.55610.559160008.66810.16812.5722000010.28512.08514.8892500012.19914.29917.51053150014.312016.812020.71264000016.914020.014024.61475000020.317424.017429.51836300024.020928.320934.922010.57犌犅20052—2020表9 110犽犞油浸式三相三绕组无励磁调压变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%升压降压63004.9405.8407.14280005.8486.9488.550100006.9568.25610.159125008.1679.66711.870160009.88111.68114.3862000011.69513.79516.91012500013.511316.011319.7120高—中17.5~18.5高—低10.5中—低6.5高—中10.5高—低17.5~18.5中—低6.53150016.213419.113423.51424000019.116122.616127.81705000022.919227.019233.32026300027.123032.023039.4243高—中17.5~18.5高—低10.5中—低6.5高—中10.5高—低17.5~18.5中—低6.5表10 110犽犞油浸式三相双绕组有载调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%63004.4325.2326.43380005.3386.2387.740100006.2457.3459.048125007.4538.75310.756160008.96610.56612.9692000010.67912.57915.4842500012.59414.89418.2993150014.911117.611121.61174000017.814021.014025.81485000021.017524.817530.61846300025.020929.520936.322010.58犌犅20052—2020表11 110犽犞油浸式三相三绕组有载调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%63005.3406.2407.74280006.3487.5489.250100007.5568.85610.959125008.96710.56712.9701600010.68112.58115.4862000012.59514.89518.21012500014.911317.611321.61203150017.713420.913425.71424000021.216125.016130.81705000025.019229.619236.42026300029.823035.223043.3243高—中10.5高—低17.5~18.5中—低6.5表12 220犽犞油浸式三相双绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%31500151151811522122400001813421134261425000021161251613117063000251883018837199750002921334213422259000034246402464925912000041304493046032115000049360583607138016000051378603787439918000056413664138243624000070484834841025113000008357798577121609360000956621126621386983700009767511467514171340000010371612271615075542000010674212574215478312~149犌犅20052—2020表13 220犽犞油浸式三相三绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%升压降压3150018138211382614540000211652516530174500002419429194352056300029231342314224490000373004430054316120000463695536967390150000554386543880463180000625007350090527240000726169161611265030000091726108726133767高—中22~24高—低12~14中—低7~9高—中12~14高—低22~24中—低7~9表14 220犽犞油浸式三相双绕组低压为66犽犞无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%3150017129201292413640000201502315029159500002318027180341906300028211332114022290000362754327553291120000453305333065349150000533876338778409180000614387243888463240000755438854310957312~1401犌犅20052—2020表15 220犽犞油浸式三相双绕组有载调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%3150017115201152412240000201342313429142500002416128161341706300028188331884019990000352464224651259120000433045130463321150000513606036074380180000594137041386436120000150000180000240000低压66kv、69kV453035330365320533556235577374624067340690428775049150411253212~14表16 220犽犞油浸式三相三绕组有载调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%315001913823138281454000023165271653317450000261943119438205630003123136231452449000040300473005831612000051369603697439015000059438704388646318000068538815389956824000085667100667123704高—中12~14高—低22~24中—低7~911犌犅20052—2020表17 220犽犞油浸式三相三绕组有载调压自耦电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%3150011921392169740000131131611319119500001513418134221426300018161211612617090000222112621132222120000282633326341277150000333113931148329180000373584435854378240000464625446266487高—中8~11高—低28~34中—低18~24表18 330犽犞油浸式三相双绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%90000372474424754260120000473065530668323150000563626636281382180000644157541593438240000805159451511654336000010972212972215876237000011173613173616277740000011878013978017182472000018312122161212266128014~1521犌犅20052—2020表19 330犽犞油浸式三相三绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%90000423025030262318120000533746237477394150000634427444291466180000725078550710453524000089629105629130664高—中24~26高—低14~15中—低8~9表20 330犽犞油浸式三相三绕组无励磁调压自耦电力变压器能效等级(串联绕组末端调压,中压110犽犞)额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%900002523729237362501200003129236292453081500003734744347543661800004239650396624182400005349262492775203600007266885668104705高—中10~11高—低24~26中—低12~14表21 330犽犞油浸式三相三绕组有载调压自耦电力变压器能效等级(串联绕组末端调压,中压110犽犞)额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%900002623531235382481200003229238292473081500003834545345553641800004339651396634182400005449264492795203600007466887668107705高—中10~11高—低24~26中—低12~1431犌犅20052—2020表22 330犽犞油浸式三相三绕组有载调压自耦电力变压器能效等级(中压110犽犞线端调压)额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%900002725132251392651200003431140311493291500004036947369583901800004642354423664472400005652666526825553600007671390713111752高—中10~11高—低26~28中—低16~17表23 330犽犞油浸式三相三绕组无励磁调压自耦电力变压器能效等级(中压220犽犞线端调压)额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%90000132641526418278120000163271932723345150000193882238827409180000214452544531469240000275523255239582360000377524475254794高—中10~11表24 330犽犞油浸式三相三绕组有载调压自耦电力变压器能效等级(中压220犽犞线端调压)额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%90000142641626420278120000173272032725345150000203882438830409180000234452744534469240000295523455242582360000407534775358795高—中10~1141犌犅20052—2020表25 500犽犞油浸式单相双绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%100000342034020349214120000392344623456247200000633427434291361223000683718137199391240000723928539210541326000077414914141124371438000010254912154914958040000010657012557015460141000010858112858115861348400012365714565717869416或18表26 500犽犞油浸式三相双绕组无励磁调压电力变压器能效等级额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%12000041356493566037516000050441594417246624000069599815991006323000008070794707116746370000948101118101368554000009685511485514090314420000102860120860148907480000110954130954160100760000014312021691202208126872000016813821981382244145814或167500001731422205142225215017800001761467208146725615498600001901575224157527616631140000237194928019493442057117000024219802861980352209016或1851犌犅20052—2020表27 500犽犞油浸式单相三绕组无励磁调压自耦电力变压器能效等级(中压线端调压)额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%120000282073320740219167000332483924848261250000473335533368352334000584286842884451400000664917849196518高—中12高—低34~38中—低20~22120000282213322140233167000332613926148276250000473565535668375334000584596845984485400000665227852296551高—中12高—低42~46中—低28~30120000282213322140233167000332613926148276250000473565535668375334000584596845984485400000665227852296551高—中14~15高—低42~46中—低28~30表28 500犽犞油浸式单相三绕组有载调压自耦电力变压器能效等级(中压线端调压)额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%1200002821233212402231670003325739257482712500004734255342683613340006144172441884664000007250485504104532高—中12高—低34~38中—低20~221200002822533225402381670003327039270482852500004736555365683853340006147772477885044000007254985549104580高—中12高—低42~46中—低28~3061犌犅20052—2020表28(续)额定容量kVA1级2级3级空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW空载损耗kW负载损耗(75℃)kW短路阻抗%1200002822533225402381670003327039270482852500004736555365683853340006147772477885044000007254985549104580高—中14~15高—低42~46中—低28~3071犌犅20052—2020
本文档为【GB 20052-2020 电力变压器能效限定值及能效等级】,请使用软件OFFICE或WPS软件打开。作品中的文字与图均可以修改和编辑, 图片更改请在作品中右键图片并更换,文字修改请直接点击文字进行修改,也可以新增和删除文档中的内容。
该文档来自用户分享,如有侵权行为请发邮件ishare@vip.sina.com联系网站客服,我们会及时删除。
[版权声明] 本站所有资料为用户分享产生,若发现您的权利被侵害,请联系客服邮件isharekefu@iask.cn,我们尽快处理。
本作品所展示的图片、画像、字体、音乐的版权可能需版权方额外授权,请谨慎使用。
网站提供的党政主题相关内容(国旗、国徽、党徽..)目的在于配合国家政策宣传,仅限个人学习分享使用,禁止用于任何广告和商用目的。
下载需要: ¥17.6 已有0 人下载
最新资料
资料动态
专题动态
个人认证用户
大浪淘日记
暂无简介~
格式:pdf
大小:765KB
软件:PDF阅读器
页数:0
分类:高中语文
上传时间:2020-06-14
浏览量:512