电气安全工器具试验规程.doc

Bibiyana-II Power plant NEPCS /Address: , Tel: Fax: This document is the property of NEPCS. It cannot be used, copied or communicated without NEPCS authorization. 中国东北电力工程服务公司中国东北电力工程服务公司 China northeast Electric Power Engineering Inmin;In 330330 500500 kvkv voltagevoltage gradegrade insulatinginsulating rod,rod, pressurizedpressurized timetime 5 5 min.min. 缓慢升高电压，以便能在仪表上准确读数，达到缓慢升高电压，以便能在仪表上准确读数，达到 0.750.75 倍试验电压值倍试验电压值 起，以每秒起，以每秒 2%2%试验电压的升压速率至规定的值，保持相应的时间，然后迅试验电压的升压速率至规定的值，保持相应的时间，然后迅 速降压，但不能突然切断，试验中各绝缘杆应不发生闪络或击穿，试验后速降压，但不能突然切断，试验中各绝缘杆应不发生闪络或击穿，试验后 绝缘杆应无放电、灼伤痕迹，应不发热。绝缘杆应无放电、灼伤痕迹，应不发热。SlowlySlowly increaseincrease thethe voltagevoltage Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 14 / 47 文件代码： Error!Error! ReferenceReference sourcesource notnot found.found. Organization 负责的组织：ELE Bibiyana-II Power plant NEPCS /Address: , Tel: Fax: This document is the property of NEPCS. It cannot be used, copied or communicated without NEPCS authorization. toto accurateaccurate readingsreadings inin thethe instrument,instrument, atat 0.750.75 timestimes thethe testtest voltagevoltage value,value, 2%2% ofof testtest voltagevoltage boosterbooster raterate perper secondsecond toto thethe specifiedspecified value,value, keepkeep thethe correspondingcorresponding time,time, andand thenthen thethe quickquick buck,buck, butbut cancan notnot bebe cutcut offoff suddenly,suddenly, testtest thethe insulationinsulation rodrod shouldshould notnot happenhappen inin flashoverflashover oror breakdown,breakdown, afterafter thethe testtest thethe insulationinsulation rodrod shouldshould bebe nono discharge,discharge, burnburn marks,marks, shouldshould bebe nono fever.fever. 若试验变压器电压等级达不到试验的要求，可分段进行试验，最多可若试验变压器电压等级达不到试验的要求，可分段进行试验，最多可 分成分成 4 4 段，分段试验电压应为整体试验电压除以分段数再乘以段，分段试验电压应为整体试验电压除以分段数再乘以 1.21.2 倍的系倍的系 数。数。IfIf cancan notnot meetmeet thethe testtest requirements,requirements, testtest transformertransformer voltagevoltage gradegrade cancan bebe segmentedsegmented toto testtest andand cancan bebe divideddivided intointo fourfour segments,segments, mostmost testtest voltagevoltage shallshall bebe thethe integralintegral testtest voltagevoltage divideddivided byby thethe numbernumber ofof everyevery blockblock coefficientcoefficient multipliedmultiplied byby 1.21.2 times.times. 6 6 携带型短路接地线携带型短路接地线 TypeType withwith shortshort circuitcircuit groundinggrounding lineline 6.16.1 携带型短路接地线的试验项目、周期和要求见表携带型短路接地线的试验项目、周期和要求见表 2 2 CarryingCarrying thethe pilotpilot projectproject ofof short-circuitshort-circuit groundground wirewire type,type, periodperiod andand requirementsrequirements areare shownshown inin tabletable 2 2 表表 2 2 携带型短路接地线的试验项目、周期和要求携带型短路接地线的试验项目、周期和要求 TableTable 2 2 typetype withwith Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 15 / 47 文件代码： Error!Error! ReferenceReference sourcesource notnot found.found. Organization 负责的组织：ELE Bibiyana-II Power plant NEPCS /Address: , Tel: Fax: This document is the property of NEPCS. It cannot be used, copied or communicated without NEPCS authorization. shortshort circuitcircuit groundinggrounding lineline test,test, cyclecycle andand projectproject requirementsrequirements 序号 no项目 project 周期 cycle 要求 requirements说明 nstructions 1 成组直流电 阻试验 Group dc resistance test 不超过 5 年 No more than 5 years 在各接线鼻之间测量直流电阻， 对于 25，35，50 ，70，95，120的各 种截面，平均每米的电阻值应 分别小于 0.79m,0.56m,0.40m,0.2 8m,0.21m,0.16m.Measur e the dc resistance between all wiring nose for 25 squared, 35 squared, 50 squared, 70 squared, 95 squared, 120 squared various cross section, average per meter resistance should be less than 0.79 m respectively, 0.56 m 0.40 m, 0.28 m 0.21 m, 0.16 m . 同一批次抽 测，不少于 2 条，接线 鼻与软导线 压接的应做 试验 The same batch of parking, not less than 2, wiring nose and soft wire pressure test should be done 工频电压 KV Power frequency voltage KV 额定电压 KV rated voltage KV 1min5min 1045/ 3595/ 63175/ 2 操作棒的工 频耐压试验 Great power frequency withstand voltage test operation 1 年 1 year 110220/ 试验电压加 在呼唤与紧 固头之间 Test voltage between the call and fastening head Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 16 / 47 文件代码： Error!Error! 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It cannot be used, copied or communicated without NEPCS authorization. 220440/ 330/380 500/580 6.26.2 试验方法试验方法 TestTest methodmethod forfor 6.2.16.2.1 成组直流电阻试验成组直流电阻试验 GroupGroup dcdc resistanceresistance testtest 成组直流电阻试验用于考核携带型短路接地线线鼻和汇流夹与多股铜成组直流电阻试验用于考核携带型短路接地线线鼻和汇流夹与多股铜 质软导线之间的接触是否良好。同时，也可考核多股铜质软导线的截面积质软导线之间的接触是否良好。同时，也可考核多股铜质软导线的截面积 是否符合要求，以组合式接地线为例，其测量接线见图是否符合要求，以组合式接地线为例，其测量接线见图 1 1。GroupGroup examinationexamination ofof dcdc resistanceresistance testtest isis usedused toto carrycarry a a short-short- circuitcircuit groundinggrounding lines,lines, nose,nose, andand thethe confluenceconfluence betweenbetween softsoft coppercopper wirewire withwith multiplemultiple contactscontacts areare inin goodgood condition.Atcondition.At thethe samesame time,time, alsoalso cancan examineexamine moremore strandsstrands ofof sectionalsectional areaarea isis inin lineline withwith thethe requirementrequirement ofof thethe softsoft coppercopper wire,wire, withwith combined-typecombined-type groundinggrounding lineline asas anan example,example, itsits measurementmeasurement connectionconnection asas shownshown inin figurefigure 1.1. 成组直流电阻试验采用直流电压降法测量，常用的测量方式为电流成组直流电阻试验采用直流电压降法测量，常用的测量方式为电流- - 电压表法，试验电流宜电压表法，试验电流宜30A30A。GroupGroup dcdc resistanceresistance testtest ofof dcdc voltagevoltage dropdrop methodmethod isis usedused toto measure,measure, forfor mostmost commoncommon waysways ofof Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 17 / 47 文件代码： Error!Error! 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It cannot be used, copied or communicated without NEPCS authorization. measuringmeasuring currentcurrent - - voltagevoltage metermeter method,method, thethe appropriateappropriate testtest currentcurrent acuityacuity 3030 a a。 进行接地线的成组直流电阻试验时，应先测量各接线鼻间两两的长度，进行接地线的成组直流电阻试验时，应先测量各接线鼻间两两的长度， 根据测得的直流电阻值，算出每米的电阻值，其值如符合表根据测得的直流电阻值，算出每米的电阻值，其值如符合表 2 2 的规定，则的规定，则 为合格。为合格。ForFor groundground wirewire group,group, thethe dcdc resistanceresistance testtest shouldshould bebe measuredmeasured lengthlength ofof eacheach connectionconnection betweenbetween twotwo nose,nose, accordingaccording toto thethe measuredmeasured dcdc resistance,resistance, calculatecalculate thethe resistanceresistance valuevalue ofof perper meter,meter, itsits valuevalue asas specifiedspecified inin accordanceaccordance withwith tabletable 2,2, itit isis qualified.qualified. 图图 1 1 携带型短路接地线成组直流电阻试验携带型短路接地线成组直流电阻试验 FigureFigure 1 1 typetype withwith shortshort circuitcircuit groundinggrounding lineline groupgroup dcdc resistanceresistance testtest 6.2.26.2.2 工频耐压试验工频耐压试验 PowerPower frequencyfrequency withstandwithstand voltagevoltage testtest Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 18 / 47 文件代码： Error!Error! 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It cannot be used, copied or communicated without NEPCS authorization. 试验电压加在操作棒的护环与紧固头之间，其余同试验电压加在操作棒的护环与紧固头之间，其余同 4.2.24.2.2。TestTest voltagevoltage andand thethe operatingoperating rodrod betweenbetween thethe retainingretaining ringsrings andand fasteningfastening head,head, thethe restrest withwith 4.2.2.4.2.2. 7 7 个人保护接地线个人保护接地线 PersonalPersonal protectiveprotective groundinggrounding lineline 7.17.1 个人保护接地线的试验项目、周期和要求见表个人保护接地线的试验项目、周期和要求见表 3 3 TheThe testtest itemsitems ofof personalpersonal protectiveprotective groundinggrounding line,line, cyclecycle andand requirementsrequirements areare shownshown inin tabletable 3 3 表表 3 3 个人保护接地线的试验项目、周期和要求个人保护接地线的试验项目、周期和要求 TableTable 3 3 testtest itemsitems ofof personalpersonal protectiveprotective groundinggrounding line,line, cyclecycle andand requirementsrequirements 序号 no 项目 project 周期 cycle 要求 requirements说明 instructions 成组直流电 阻试验 Group dc resistance test 不超 过 5 年 No more than 5 years 在各接线鼻之间测量直流电阻， 对于 10，16,25的截面， 平均每米电阻应小于 1.98m,1.24m,0.79mMeasu re the dc resistance between all wiring nose, for 10 squared, 16 squared, 25 squared cross section, the average per meter resistance should be less than 1.98 m , 1.24 m, 0.79 m 同一批次抽测， 不少于两条。 The same batch of parking, not less than two. Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 19 / 47 文件代码： Error!Error! ReferenceReference sourcesource notnot found.found. Organization 负责的组织：ELE Bibiyana-II Power plant NEPCS /Address: , Tel: Fax: This document is the property of NEPCS. It cannot be used, copied or communicated without NEPCS authorization. 7.27.2 试验方法试验方法 TestTest methodmethod forfor 7.2.17.2.1 成组直流电阻试验成组直流电阻试验 GroupGroup dcdc resistanceresistance testtest 试验方法同试验方法同 5.2.15.2.1，如测得的直流电阻值符合表，如测得的直流电阻值符合表 3 3 的规定，则认为合的规定，则认为合 格。格。TestTest methodmethod withwith 5.2.1,5.2.1, suchsuch asas thethe measuredmeasured dcdc resistanceresistance conformsconforms toto thethe provisionsprovisions ofof thethe tabletable 3 3 isis consideredconsidered qualified.qualified. 8 8 绝缘杆绝缘杆 InsulatingInsulating rodrod 8.18.1 绝缘杆的试验项目、周期和要求见表绝缘杆的试验项目、周期和要求见表 4 4 TheThe testtest itemsitems ofof insulatinginsulating rod,rod, cyclecycle andand requirementsrequirements areare shownshown inin tabletable 4 4 表表 4 4 绝缘杆的试验项目、周期和要求绝缘杆的试验项目、周期和要求 TableTable 4 4 thethe testtest itemsitems ofof insulatinginsulating rod,rod, cyclecycle andand requirementsrequirements 序 号 NO 项目 project 周期 period 要求 demand 说明 instructions 工频耐压 KV Power frequency withstand voltage kv 额定电压 KV rated voltage kv 试验长度 M test length M 1min5min 100.745/ 1 工频耐压 试验 Power frequency withstand voltage test 1 年 1 year 350.995/ Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 20 / 47 文件代码： Error!Error! ReferenceReference sourcesource notnot found.found. Organization 负责的组织：ELE Bibiyana-II Power plant NEPCS /Address: , Tel: Fax: This document is the property of NEPCS. It cannot be used, copied or communicated without NEPCS authorization. 631175/ 1101.3220/ 2202.1440/ 3303.2/380 5004.1/580 8.28.2 试验方法试验方法 TestTest methodmethod forfor 8.2.18.2.1 工频耐压试验工频耐压试验 PowerPower frequencyfrequency withstandwithstand voltagevoltage testtest 试验方法同试验方法同 4.2.24.2.2。4.2.24.2.2 testtest method.method. 9 9 核相器核相器 phasing tester 9.19.1 核相器的试验项目、周期和要求见表核相器的试验项目、周期和要求见表 5 5 TheThe pilotpilot projectproject ofof nuclearnuclear phase,phase, cyclecycle andand requirementsrequirements areare shownshown inin tabletable 5 5 表表 5 5 核相器的试验项目、周期和要求核相器的试验项目、周期和要求 TableTable 5 5 nuclearnuclear testtest itemsitems ofof phase,phase, cyclecycle andand requirementsrequirements Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 21 / 47 文件代码： Error!Error! ReferenceReference sourcesource notnot found.found. Organization 负责的组织：ELE Bibiyana-II Power plant NEPCS /Address: , Tel: Fax: This document is the property of NEPCS. It cannot be used, copied or communicated without NEPCS authorization. 9.29.2 试验方法试验方法 TestTest methodmethod forfor 9.2.19.2.1 连接导线绝缘强度试验连接导线绝缘强度试验 ConnectionConnection wirewire insulatinginsulating strengthstrength testtest 导线应拉直，放在电阻率小于导线应拉直，放在电阻率小于 100100m m 的水中浸泡，也可直接浸泡在的水中浸泡，也可直接浸泡在 自来水中，两端应有自来水中，两端应有 350mm350mm 长度露出水面，试验电路图见图长度露出水面，试验电路图见图 2 2。WireWire shouldshould bebe straight,straight, inin frontfront ofof thethe resistivityresistivity isis lessless thanthan 100100 m.m. soakedsoaked inin water,water, cancan alsoalso directlydirectly soakedsoaked inin water,water, bothboth endsends shallshall bebe 350350 mmmm inin lengthlength aboveabove thethe water,water, testtest circuitcircuit diagramdiagram asas shownshown inin figurefigure 2.2. Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 22 / 47 文件代码： Error!Error! ReferenceReference sourcesource notnot found.found. Organization 负责的组织：ELE Bibiyana-II Power plant NEPCS /Address: , Tel: Fax: This document is the property of NEPCS. It cannot be used, copied or communicated without NEPCS authorization. 图图 2 2 连接导线绝缘强度试验连接导线绝缘强度试验 FigureFigure 2 2 connectionconnection wirewire insulatinginsulating strengthstrength testtest 1-1-连接导线；连接导线；2-2-金属盆；金属盆；3-3-水水 1 1 - - wires;2wires;2 - - metalmetal basin;3basin;3 - - waterwater 在金属盆与连接导线之间施加表在金属盆与连接导线之间施加表 5 5 规定的电压，以规定的电压，以 1000V/s1000V/s 的恒定速的恒定速 度逐渐加压，到达规定电压后，保持度逐渐加压，到达规定电压后，保持 5min5min，如果没有出现击穿，则试验合，如果没有出现击穿，则试验合 格。格。BetweenBetween metalmetal basinbasin andand connectionconnection wirewire clampclamp thethe voltagevoltage givengiven inin tabletable 5,5, withwith 10001000 v/sv/s constantconstant speedspeed pressurepressure gradually,gradually, arrivedarrived atat thethe specifiedspecified voltage,voltage, maintainmaintain 5 5 min,min, ifif youyou dodo notnot seesee anyany breakdown,breakdown, thethe test.test. 9.2.29.2.2 绝缘部分工频耐压试验绝缘部分工频耐压试验 InsulationInsulation powerpower frequencyfrequency withstandwithstand voltagevoltage testtest 试验电压加在核相棒的有效绝缘部分，试验方法同试验电压加在核相棒的有效绝缘部分，试验方法同 4.2.24.2.2。TestTest voltagevoltage onon thethe insulatinginsulating partpart ofof nuclearnuclear phasephase rods,rods, 4.2.24.2.2 testtest Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 23 / 47 文件代码： Error!Error! 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It cannot be used, copied or communicated without NEPCS authorization. methodmethod 9.2.39.2.3 电阻管泄漏电流试验电阻管泄漏电流试验 ResistanceResistance pipepipe leakageleakage currentcurrent testtest 依此对两核相棒进行试验，将待试核相棒的试验电极接至交流电压的依此对两核相棒进行试验，将待试核相棒的试验电极接至交流电压的 一极上，其连接导线的出口与交流电压的接地极相连接，施加表一极上，其连接导线的出口与交流电压的接地极相连接，施加表 5 5 规定的规定的 电压，如泄漏电流小于表电压，如泄漏电流小于表 5 5 规定的值，则试验通过。规定的值，则试验通过。AccordinglyAccordingly toto testtest twotwo nuclearnuclear rods,rods, willwill bebe toto testtest nuclearnuclear phasephase rodrod electrodeelectrode connectedconnected toto anan acac voltagevoltage pole,pole, onon itsits exportexport ofof wireswires connectedconnected toto acac voltagevoltage ofof grounding,grounding, applyingapplying thethe voltagevoltage givengiven inin tabletable 5,5, suchsuch asas leakageleakage currentcurrent isis lessless thanthan thethe valuesvalues givengiven inin tabletable 5,5, throughthrough thethe experiment.experiment. 9.2.49.2.4 动作电压试验动作电压试验 ActionAction voltagevoltage testtest 将核相器的接触电极与一极接地的交流电压的两极相接触，逐渐升高将核相器的接触电极与一极接地的交流电压的两极相接触，逐渐升高 交流电压，测量核相器的动作电压，如动作电压最低达到交流电压，测量核相器的动作电压，如动作电压最低达到 0.250.25 倍额定电倍额定电 压，则认为试验通过。压，则认为试验通过。WillWill nuclearnuclear phasephase contactcontact electrodeelectrode andand a a veryvery groundinggrounding polespoles ofof acac voltagevoltage phasephase contact,contact, increasedincreased acac voltage,voltage, measuremeasure thethe movementmovement ofof thethe nuclearnuclear phasephase voltage,voltage, suchsuch asas actionaction lowestlowest voltagevoltage isis 0.250.25 timestimes thethe ratedrated voltage,voltage, arguesargues thatthat testtest passed.passed. 1010 绝缘罩绝缘罩 InsulationInsulation covercover Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 24 / 47 文件代码： Error!Error! 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It cannot be used, copied or communicated without NEPCS authorization. 10.110.1 绝缘罩的试验项目、周期和要求见表绝缘罩的试验项目、周期和要求见表 6 6 InsulationInsulation covercover test,test, cyclecycle andand projectproject requirementsrequirements areare shownshown inin tabletable 6 6 表表 6 6 绝缘罩的试验项目、周期和要求绝缘罩的试验项目、周期和要求 TableTable 6 6 insulationinsulation covercover test,test, cyclecycle andand projectproject requirementsrequirements 10.210.2 试验方法试验方法 TestTest methodmethod 10.2.110.2.1 工频耐压试验工频耐压试验 PowerPower frequencyfrequency withstandwithstand voltagevoltage testtest 对于功能类型不同的遮蔽罩，应使用不同型式电极。通常遮蔽罩的内对于功能类型不同的遮蔽罩，应使用不同型式电极。通常遮蔽罩的内 部的电极是一金属芯棒，并置于遮蔽罩内中心处，遮蔽罩外部电极为接地部的电极是一金属芯棒，并置于遮蔽罩内中心处，遮蔽罩外部电极为接地 电极，由导电材料，如金属箔或导电漆等制成，试验电极布置如图电极，由导电材料，如金属箔或导电漆等制成，试验电极布置如图 3 3 所示。所示。 ForFor thethe functionfunction typetype differentdifferent covercover toto cover,cover, youyou shouldshould useuse differentdifferent typetype ofof electrode.Usuallyelectrode.Usually covercover covercover internalinternal electrodeelectrode isis a a metalmetal mandrelmandrel andand placedplaced inin thethe covercover covercover withinwithin thethe center,center, covercover toto covercover outsideoutside thethe earthearth electrodeelectrode waswas byby conductiveconductive material,material, suchsuch asas metalmetal foilfoil oror conductiveconductive Maintenance procedure 维护程序维护程序 电气电气 安全工器具安全工器具试验程试验程序序 Electrical safety and instrument test procedure 页码： 25 / 47 文件代码： Error!Error! 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