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KMSB-30型高壓電容電橋

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更新日期: 2010-10-02 08:00
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【KMSB-30型高壓電容電橋】詳細說明
KMSB-30型高壓電容電橋KMSB30typeHVcapacitancebridge1 1簡介:本說明書是KMSB30型高壓電容電橋的安裝和使用說明書。(包括KMSB30-3型量程擴展器及TPlP-A型打印機)。ThismanualisforinstallationandoperationofKMSB30typeHVcapacitancebridge.(includingKMSB30-3measurerangeexpanderandTPlP-Atypeprinter)KMSB30型高壓電容電橋是基本儀器。主電橋主要采用電流比較儀的原理并結合計算機數(shù)據(jù)處理,具有操作方便可靠,測量精度高、讀數(shù)位數(shù)多、線性度好,不受環(huán)境溫濕度影響,儀器內部的計算機能自動對測試數(shù)據(jù)進行處理,直接在面板上顯示電容值及介損tg 和測試電壓及流經(jīng)標準電容的電流(Icn),并可通過打印機將測試結果打印出來等優(yōu)點,是目前國內精度較高、穩(wěn)定性好、操作方便、用途廣泛的高壓電橋。30系列的電橋根據(jù)其所帶的尾字母的不同,各自所持有的功能也有不同。如:30b型電橋,主要用于測量材料;30c型電橋可以擴展測量高壓互感器等的高壓變比及角差;30d型電橋主要用于測量頻率在3~11次諧波下。30e型主要用與基準測量。TheKMSB30typeHVcapacitancebridgemainlyadoptdcurrentcomparisiondeviceandcomputerdataanalysis.Itfeatureswitheasyoperation,precisemeasure,goodlineraity,andisnotaffectedbytemperatureorhumidity.Theinnercomputerdealwithdataautomaticallyanddisplaycapacitancevalue,tg value,testvoltage,andcurrentthroughcapacitor(Icn)onthepanel.Thedatacanbeprintedout.TheequipmentisuptonowHVbridgewhichisprecise,stable,convenientandcommonlyusedinChina.30seriesbridgehasdifferentfunctionsduetodifferentmodelswhichhasdifferentendletter.Forinstance,30bbridgeismainlyformaterialmeasure,30ccanmeasureHVratioandangledifferenceofHVmutualinductor.30dmeasuresfrequencyundersecondaryresonancewaveof3-11.30eismainlyforbasicstandardmeasure.1 2性能:FeaturesKMSB-30型高壓電橋為實驗室精密型高壓電橋。主要采用電流比較儀的原理,使它在測量上具有較高的比率精度和穩(wěn)定性,這是一般西林電橋不能達到的。再加上計算機數(shù)據(jù)處理,使測量更加直觀。本電橋可與各類高壓標準電容器配合組成高壓電容電橋,適宜于在高電壓下測量電力電纜、高壓套管、電力電容器、互感器等高壓電力設備的電容量及損失角正切值tg ,以及各種固體或液體絕緣材料的介電常數(shù)( )及損失角正切值,也可測量高壓變壓器或電壓互感器的比差及角差。電橋可外接電流互感器以擴大量程,測量大電容本電橋為四端測量具有引線補償裝置,使測量精度提高,消除接線電阻引起的附加誤差。本電橋還可測量電抗器的電感量及Q值。KMSB30-3型量程擴展器(供選購)能使主橋體的電容比從1000∶1擴大到106∶1。TheKMSB30typeHVcapacitancebridgeispreciseHVbridgeforlaboratory.Itmainlyadoptscurrentcomparisiondevicetheoryandhascomparativelyhighratioprecisionandstability,whichisnoteasytoachievefornormalbridge.Andwithcomputerassistance,themeasureismoredirect.ThebridgecanbematchedwithallkindsofHVstandardcapacitortoformHVcapacitancebridge.Anditissuitabelforcapacitanceanddissipationtg measureofpowercable,HVbushing,powercapacitorandmutualinductor.ItisalsoforratioandangledifferencemeasureforHVtransformerorvoltagemutualinductor.Thebridgecanbeconnectedwithcurrentmutualinductortoexpanditsmeasurerangeforhighcapacitance.Thebridgeisfourendmeasurewithconductcompensationdevicetoimproveprecision,reduceadditionalerrorcausedbyresistanceconnection.ThebridgecanalsotestinductanceandQvalueforreactor.KMSB30-3typemeasurerangeexpander(optional)canenlargethemainbridgecapacitancerationto106∶1from1000∶11 3結構:本電橋放在一個金屬箱體內,指零儀安放在適宜人眼觀察的水平位置。靈敏度調節(jié)開關在表頭的旁邊,橋體安放在指零儀下面,電容比值和介質損耗正切值讀數(shù)調節(jié)開關固定在面板上。在主橋體與指零儀的之間,是被測試品的電容量及介損、測試電壓的顯示窗,在其旁邊是標準電容量的預置盤。電橋本體的環(huán)形電流比較儀裝在一個磁屏蔽盒內,它的鐵芯采用超高導磁材料卷繞成環(huán)形,為內外磁場有較好的抗干擾性能,具有很高精度的比差及角差。主運算放大器和引線補償放大器及微機處理器都在箱體內部一個金屬屏蔽盒內,電橋工作電源采用了開關電源,具有很寬的工作范圍,也安裝在一個金屬屏蔽盒內。連接標準電容器與被測試品的插座在儀器背部,接地端鈕前后共有兩處,外接線采用屏蔽電纜,電橋裝置箱體作為靜電屏蔽以免干擾。1-3structureThebridgeispositionedinametalcontainer.Thezeropointerisputathorizontallevelsuitbleforhumaneyewatch.Thesensitivityregulationswitchisbesidethemeterhead.Thebridgeisunderzeropointer.Andonthepanelisthereadingregulationswitchforcapacitanceratioanddielectricdissipatintgvalue.Betweenthemainbridgeandzeropointer,thereisthedisplaywindowforcapacitance,dissipationandtestvoltageoftestedcapacitance.Besideitisthepresetdialforstandardcapacitance.Inamagneticshieldingboxistheringshapedcurrentcomparisiondevicewhoseironcoreismadeofextra-magneticconductivematerial.Thismaterialisshapedintoaringandwellresisttheinnerandoutermagneticfield.Itfeatureswithhighpreciseratioandangledifference.Themaincalculater,conductcompensativeamplifierandcomputerareallputinsideametalshieldingbox.Thebridgeworkingpoweradoptsonandofftypeandalsoputinsideametalshieldingbox.Thesockettoconnectthestandardcapacitorandtestedobjectisatthebackofthedevice.Therearetwogroundingbuttonsatfrontandback.Theconnectionlineshallbeshieldingcable.Thebridgecabinetisforshieldingthedisturbance.1 4主要技術指標:z電橋電容比Cx/Cs(當額定比率為1:1時)為0到1.111110,步級0.000001,倍率(K)變化范圍為1000、500、200、100、50、20、10、5、2、1共十檔,電容的測量范圍決于標準電容器Cs的大小電容值,即Cx=Cs K (Cx/Cs)Whentheratedratiois1:1,theCx/Csisfrom0to1.111110,thestepnessis0.000001,andmultiplyingfactorKrangesare1000、500、200、100、50、20、10、5、2、1,10levelsintotal.ThecapacitancemeasurerangedependsonCsofstandardcapacitor:Cx=Cs K (Cx/Cs)z電容比率值的測量準確度:電容比率讀數(shù)第一只盤為滿度時應不大于當tg <3 10-3為 0.00005tg 3 10-3為 0.00005 0.005 tg x。Measureprecisionofcapacitanceratio:Whenthefirstdialcapacitanceratioreadingisfull,thevalueshallnotbeabove:tg <3 10-3 0.00005tg 3 10-3 0.00005 0.005 tg x.z電橋tg 范圍為-0.111110到+0.111110,步級為0.000001。Thetg rangeofthebridgeis-0.111110to+0.111110,withstepnessof0.000001.ztg x測量準確度不大于 0.5%tg x 5 10-5Themeasureprecisionoftg xisnotabove 0.5%tg x 5 10-5z被測電容量顯示:Cx=(0.1~1111.1110)Cn顯示為被測電容量的前6位有效數(shù)字。Thetestedcapacitancedisplay:Cx=(0.1~1111.1110)CnThedisplayisfirstsixeffectivedigitsoftestedcapacitance.z被測電容介損顯示:tg =-1.11 10-1到1.11 10-1顯示為被測電容介損的前3位有效數(shù)字并結合科學記數(shù)法。Thetestedcapacitancedissipationdisplay:tg =-1.11 10-1to1.11 10-1Thedisplayisthefirst3effectivedigitswithscientificdigitmethod.z電容量及介損顯示精度:電容量: 0.5% tg x 0.00005。介損: 0.5%tg x 5 10-5Thecapacitanceanddissipationdisplayprecision:capacitance: 0.5% tg x 0.00005.dielectricdissipation: 0.5%tg x 5 10-5z電橋最大工作電流:電橋標準臂最大允許電流為15mA。通過被測臂最大電流與倍率位置有關,見表1。Maximumworkingcurrentofthebridge:themaximumallowedcurrentofthebridgestandardarmis15mA.Thevalueisrelatedwithmultiplyingfactor.Pleaserefertoform1表1form1倍率Kmultiplyingfactor最大允許電流maximumallowedcurrent115mA230mA575mA10150mA20300mA50750mA1001.5A2002A5002A10002A注意:被測最大不得超過2A,如測試需要則需外接電流互感器。Note:thetestedcurrentshallnotbeabove2A.Ifitisabove2A,currentmutualinductoristobeconnected.z分辨率:當通過標準電容器的電流為0.1mA時,且電容比率讀數(shù)第一只盤為滿度時,在電橋完全平衡時,其電容比及介損盤的分辨率均為5 10-5。Resolution:whenthecurrentthroughstandardcapacitoris0.1mA,andthecapacitanceratioreadingoffirstdialisfull,andthebridgeistotallybalanced,thecapacitanceratioandthedielectricdisspationdialresolutionareboth5 10-5.z標準電容量預置范圍:0000.00到1999.99pFStandardcapacitancepresetrange:0000.00to9999.99pFz電橋內有過電壓保護措施,氖泡起輝電壓不超過交流30伏。Thereisvoltageprotectionmesureinsidethebridge.NeonglowstartingvoltageisnotaboveAC30V.z試驗電壓顯示:范圍0到499.9kV分辨率為0.1kV準確度 5%tg x 5 10-3Testvoltagedisplay:0-499.9kVResolution:0.1kVPrecision: 2%tg x 0.2kVz電橋內附指零儀,其主要技術特性如下:1.電壓靈敏度2lV/格。2.輸入阻抗80k 。3.三次諧波抑制-60dB。注:以上的所有技術指標都是在基本測試頻率50 0.2Hz下的。Thereiszeropointerinthebridgewithitsfeatures:Voltagesensitivity:2lV/scaleInputimpedance:80k Thirdresonancewaveresistance:-60dBNotice:alltheabovetechnicalstandardsareunderconditionoffrequency50 0.2Hz.z電源電壓為220V允差10%,頻率為50 2Hz消耗功率約40W。電壓頻率為50 0.2HzWhenthepowersupplyvoltageis220V 10%,thefrequencyis50 2Hz,thepowerisaround40W.Voltagefrequencyis50 0.2Hzz外形尺寸:560(寬) 410(深) 390(高)毫米。Outerdimension:560(W)*410(depth)*390(H)mmz重量:約35公斤。Weight:around35kGzKMSB30-3型量程擴展器(外接,供選購)主要技術指標:MaintechnicalstandardsforKMSB-30-3typemeasurerangeexpander(optional)a.次級1000匝、初級100匝、輔助1000匝,具有供串繞線匝的窗口。a.secondery1000turns,primary100turns,assitant1000turns,withplaceforcoilwindingb.比值和最大電流的額定值:(當電橋量范在1000:1時):10:110安量程擴大器上可以使用100:1100安串繞10箍1000:11000安串繞1箍(用串繞箍數(shù),可得中間比值。)b.ratioandratedmaximumcurrent:whenbridgemeasureisat1000:1:10:110Ausedatrangeexpander100:1100Awinding10hoops1000:11000Awinding1hoop(ratiocanbecalculatedwithwindinghoopnumber)c.精度:(當電橋量范在1000:1時) 10-5c.precision: 10-5(whenthebridgemeasureis1000:1)KMSB-30型高壓電容電橋KMSB30typeHVcapacitancebridge1 1簡介:本說明書是KMSB30型高壓電容電橋的安裝和使用說明書。(包括KMSB30-3型量程擴展器及TPlP-A型打印機)。ThismanualisforinstallationandoperationofKMSB30typeHVcapacitancebridge.(includingKMSB30-3measurerangeexpanderandTPlP-Atypeprinter)KMSB30型高壓電容電橋是基本儀器。主電橋主要采用電流比較儀的原理并結合計算機數(shù)據(jù)處理,具有操作方便可靠,測量精度高、讀數(shù)位數(shù)多、線性度好,不受環(huán)境溫濕度影響,儀器內部的計算機能自動對測試數(shù)據(jù)進行處理,直接在面板上顯示電容值及介損tg 和測試電壓及流經(jīng)標準電容的電流(Icn),并可通過打印機將測試結果打印出來等優(yōu)點,是目前國內精度較高、穩(wěn)定性好、操作方便、用途廣泛的高壓電橋。30系列的電橋根據(jù)其所帶的尾字母的不同,各自所持有的功能也有不同。如:30b型電橋,主要用于測量材料;30c型電橋可以擴展測量高壓互感器等的高壓變比及角差;30d型電橋主要用于測量頻率在3~11次諧波下。30e型主要用與基準測量。TheKMSB30typeHVcapacitancebridgemainlyadoptdcurrentcomparisiondeviceandcomputerdataanalysis.Itfeatureswitheasyoperation,precisemeasure,goodlineraity,andisnotaffectedbytemperatureorhumidity.Theinnercomputerdealwithdataautomaticallyanddisplaycapacitancevalue,tg value,testvoltage,andcurrentthroughcapacitor(Icn)onthepanel.Thedatacanbeprintedout.TheequipmentisuptonowHVbridgewhichisprecise,stable,convenientandcommonlyusedinChina.30seriesbridgehasdifferentfunctionsduetodifferentmodelswhichhasdifferentendletter.Forinstance,30bbridgeismainlyformaterialmeasure,30ccanmeasureHVratioandangledifferenceofHVmutualinductor.30dmeasuresfrequencyundersecondaryresonancewaveof3-11.30eismainlyforbasicstandardmeasure.1 2性能:FeaturesKMSB-30型高壓電橋為實驗室精密型高壓電橋。主要采用電流比較儀的原理,使它在測量上具有較高的比率精度和穩(wěn)定性,這是一般西林電橋不能達到的。再加上計算機數(shù)據(jù)處理,使測量更加直觀。本電橋可與各類高壓標準電容器配合組成高壓電容電橋,適宜于在高電壓下測量電力電纜、高壓套管、電力電容器、互感器等高壓電力設備的電容量及損失角正切值tg ,以及各種固體或液體絕緣材料的介電常數(shù)( )及損失角正切值,也可測量高壓變壓器或電壓互感器的比差及角差。電橋可外接電流互感器以擴大量程,測量大電容本電橋為四端測量具有引線補償裝置,使測量精度提高,消除接線電阻引起的附加誤差。本電橋還可測量電抗器的電感量及Q值。KMSB30-3型量程擴展器(供選購)能使主橋體的電容比從1000∶1擴大到106∶1。TheKMSB30typeHVcapacitancebridgeispreciseHVbridgeforlaboratory.Itmainlyadoptscurrentcomparisiondevicetheoryandhascomparativelyhighratioprecisionandstability,whichisnoteasytoachievefornormalbridge.Andwithcomputerassistance,themeasureismoredirect.ThebridgecanbematchedwithallkindsofHVstandardcapacitortoformHVcapacitancebridge.Anditissuitabelforcapacitanceanddissipationtg measureofpowercable,HVbushing,powercapacitorandmutualinductor.ItisalsoforratioandangledifferencemeasureforHVtransformerorvoltagemutualinductor.Thebridgecanbeconnectedwithcurrentmutualinductortoexpanditsmeasurerangeforhighcapacitance.Thebridgeisfourendmeasurewithconductcompensationdevicetoimproveprecision,reduceadditionalerrorcausedbyresistanceconnection.ThebridgecanalsotestinductanceandQvalueforreactor.KMSB30-3typemeasurerangeexpander(optional)canenlargethemainbridgecapacitancerationto106∶1from1000∶11 3結構:本電橋放在一個金屬箱體內,指零儀安放在適宜人眼觀察的水平位置。靈敏度調節(jié)開關在表頭的旁邊,橋體安放在指零儀下面,電容比值和介質損耗正切值讀數(shù)調節(jié)開關固定在面板上。在主橋體與指零儀的之間,是被測試品的電容量及介損、測試電壓的顯示窗,在其旁邊是標準電容量的預置盤。電橋本體的環(huán)形電流比較儀裝在一個磁屏蔽盒內,它的鐵芯采用超高導磁材料卷繞成環(huán)形,為內外磁場有較好的抗干擾性能,具有很高精度的比差及角差。主運算放大器和引線補償放大器及微機處理器都在箱體內部一個金屬屏蔽盒內,電橋工作電源采用了開關電源,具有很寬的工作范圍,也安裝在一個金屬屏蔽盒內。連接標準電容器與被測試品的插座在儀器背部,接地端鈕前后共有兩處,外接線采用屏蔽電纜,電橋裝置箱體作為靜電屏蔽以免干擾。1-3structureThebridgeispositionedinametalcontainer.Thezeropointerisputathorizontallevelsuitbleforhumaneyewatch.Thesensitivityregulationswitchisbesidethemeterhead.Thebridgeisunderzeropointer.Andonthepanelisthereadingregulationswitchforcapacitanceratioanddielectricdissipatintgvalue.Betweenthemainbridgeandzeropointer,thereisthedisplaywindowforcapacitance,dissipationandtestvoltageoftestedcapacitance.Besideitisthepresetdialforstandardcapacitance.Inamagneticshieldingboxistheringshapedcurrentcomparisiondevicewhoseironcoreismadeofextra-magneticconductivematerial.Thismaterialisshapedintoaringandwellresisttheinnerandoutermagneticfield.Itfeatureswithhighpreciseratioandangledifference.Themaincalculater,conductcompensativeamplifierandcomputerareallputinsideametalshieldingbox.Thebridgeworkingpoweradoptsonandofftypeandalsoputinsideametalshieldingbox.Thesockettoconnectthestandardcapacitorandtestedobjectisatthebackofthedevice.Therearetwogroundingbuttonsatfrontandback.Theconnectionlineshallbeshieldingcable.Thebridgecabinetisforshieldingthedisturbance.1 4主要技術指標:z電橋電容比Cx/Cs(當額定比率為1:1時)為0到1.111110,步級0.000001,倍率(K)變化范圍為1000、500、200、100、50、20、10、5、2、1共十檔,電容的測量范圍決于標準電容器Cs的大小電容值,即Cx=Cs K (Cx/Cs)Whentheratedratiois1:1,theCx/Csisfrom0to1.111110,thestepnessis0.000001,andmultiplyingfactorKrangesare1000、500、200、100、50、20、10、5、2、1,10levelsintotal.ThecapacitancemeasurerangedependsonCsofstandardcapacitor:Cx=Cs K (Cx/Cs)z電容比率值的測量準確度:電容比率讀數(shù)第一只盤為滿度時應不大于當tg <3 10-3為 0.00005tg 3 10-3為 0.00005 0.005 tg x。Measureprecisionofcapacitanceratio:Whenthefirstdialcapacitanceratioreadingisfull,thevalueshallnotbeabove:tg <3 10-3 0.00005tg 3 10-3 0.00005 0.005 tg x.z電橋tg 范圍為-0.111110到+0.111110,步級為0.000001。Thetg rangeofthebridgeis-0.111110to+0.111110,withstepnessof0.000001.ztg x測量準確度不大于 0.5%tg x 5 10-5Themeasureprecisionoftg xisnotabove 0.5%tg x 5 10-5z被測電容量顯示:Cx=(0.1~1111.1110)Cn顯示為被測電容量的前6位有效數(shù)字。Thetestedcapacitancedisplay:Cx=(0.1~1111.1110)CnThedisplayisfirstsixeffectivedigitsoftestedcapacitance.z被測電容介損顯示:tg =-1.11 10-1到1.11 10-1顯示為被測電容介損的前3位有效數(shù)字并結合科學記數(shù)法。Thetestedcapacitancedissipationdisplay:tg =-1.11 10-1to1.11 10-1Thedisplayisthefirst3effectivedigitswithscientificdigitmethod.z電容量及介損顯示精度:電容量: 0.5% tg x 0.00005。介損: 0.5%tg x 5 10-5Thecapacitanceanddissipationdisplayprecision:capacitance: 0.5% tg x 0.00005.dielectricdissipation: 0.5%tg x 5 10-5z電橋最大工作電流:電橋標準臂最大允許電流為15mA。通過被測臂最大電流與倍率位置有關,見表1。Maximumworkingcurrentofthebridge:themaximumallowedcurrentofthebridgestandardarmis15mA.Thevalueisrelatedwithmultiplyingfactor.Pleaserefertoform1表1form1倍率Kmultiplyingfactor最大允許電流maximumallowedcurrent115mA230mA575mA10150mA20300mA50750mA1001.5A2002A5002A10002A注意:被測最大不得超過2A,如測試需要則需外接電流互感器。Note:thetestedcurrentshallnotbeabove2A.Ifitisabove2A,currentmutualinductoristobeconnected.z分辨率:當通過標準電容器的電流為0.1mA時,且電容比率讀數(shù)第一只盤為滿度時,在電橋完全平衡時,其電容比及介損盤的分辨率均為5 10-5。Resolution:whenthecurrentthroughstandardcapacitoris0.1mA,andthecapacitanceratioreadingoffirstdialisfull,andthebridgeistotallybalanced,thecapacitanceratioandthedielectricdisspationdialresolutionareboth5 10-5.z標準電容量預置范圍:0000.00到1999.99pFStandardcapacitancepresetrange:0000.00to9999.99pFz電橋內有過電壓保護措施,氖泡起輝電壓不超過交流30伏。Thereisvoltageprotectionmesureinsidethebridge.NeonglowstartingvoltageisnotaboveAC30V.z試驗電壓顯示:范圍0到499.9kV分辨率為0.1kV準確度 5%tg x 5 10-3Testvoltagedisplay:0-499.9kVResolution:0.1kVPrecision: 2%tg x 0.2kVz電橋內附指零儀,其主要技術特性如下:1.電壓靈敏度2lV/格。2.輸入阻抗80k 。3.三次諧波抑制-60dB。注:以上的所有技術指標都是在基本測試頻率50 0.2Hz下的。Thereiszeropointerinthebridgewithitsfeatures:Voltagesensitivity:2lV/scaleInputimpedance:80k Thirdresonancewaveresistance:-60dBNotice:alltheabovetechnicalstandardsareunderconditionoffrequency50 0.2Hz.z電源電壓為220V允差10%,頻率為50 2Hz消耗功率約40W。電壓頻率為50 0.2HzWhenthepowersupplyvoltageis220V 10%,thefrequencyis50 2Hz,thepowerisaround40W.Voltagefrequencyis50 0.2Hzz外形尺寸:560(寬) 410(深) 390(高)毫米。Outerdimension:560(W)*410(depth)*390(H)mmz重量:約35公斤。Weight:around35kGzKMSB30-3型量程擴展器(外接,供選購)主要技術指標:MaintechnicalstandardsforKMSB-30-3typemeasurerangeexpander(optional)a.次級1000匝、初級100匝、輔助1000匝,具有供串繞線匝的窗口。a.secondery1000turns,primary100turns,assitant1000turns,withplaceforcoilwindingb.比值和最大電流的額定值:(當電橋量范在1000:1時):10:110安量程擴大器上可以使用100:1100安串繞10箍1000:11000安串繞1箍(用串繞箍數(shù),可得中間比值。)b.ratioandratedmaximumcurrent:whenbridgemeasureisat1000:1:10:110Ausedatrangeexpander100:1100Awinding10hoops1000:11000Awinding1hoop(ratiocanbecalculatedwithwindinghoopnumber)c.精度:(當電橋量范在1000:1時) 10-5c.precision: 10-5(whenthebridgemeasureis1000:1)
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