新闻中心.
Characteristics of China's power capacitor industry development

Characteristics of China's power capacitor industry development

Atpresent,themainfeaturesofthedevelopmentofChina'spowercapacitorindustryareasfollows:(1)Electrolyticcapacitors,ceramiccapacitorsandorganicfilmcapacitorsaccountformorethan90%ofthetotalcapacitorproduction.Amongthem,ceramiccapacitorswillstilldominatetheworldcapacitormarket,andchipcapacitorswilldominatetheceramiccapacitorandtantalumcapacitormarket.Miniaturization,largecapacity,highvoltageandhighfrequency,anti-jammingandarrayingwillcontinuetobethedirectionofceramiccapacitordevelopment.(2)Smallsize,largecapacity,longlife,hightemperatureresistance,lowequivalentseriesresistance,etc.arestillthedevelopmentdirectionofaluminumelectrolyticcapacitors.(3)Chipproductscontinuetoleadthedevelopmentoftantalumcapacitorsinthedirectionofminiaturization,largecapacity,andlowimpedance,andtheproductionandapplicationoffunctionalpolymertantalumcapacitorswillbefurtherexpanded.(4)Themarketdemandandmarketshareofplasticfilmcapacitorswilldecline,butthedemandformetallizedplasticfilmcapacitorswillincrease,andthedemandforplasticfilmcapacitorsforinformationandcommunicationequipmentwillincrease,andplasticfilmsforinformationandcommunicationequipmentwillincrease.Thecapacitormarketwillcontinuetoexpand.Highfrequency,meetingsafetystandards,hightemperatureresistance,miniaturization,andchipformationwillbethedevelopmentdirectionofthiscapacitor.Inshort,theoveralleconomicoperationofthedomesticcapacitorindustryisrelativelystable.Asalargecapacitorproducingcountry,itisthedirectionofourultimateefforts.

04

2018

/

12

Characteristics of China's power capacitor industry development

Characteristics of China's power capacitor industry development

Atpresent,themainfeaturesofthedevelopmentofChina'spowercapacitorindustryareasfollows:(1)Electrolyticcapacitors,ceramiccapacitorsandorganicfilmcapacitorsaccountformorethan90%ofthetotalcapacitorproduction.Amongthem,ceramiccapacitorswillstilldominatetheworldcapacitormarket,andchipcapacitorswilldominatetheceramiccapacitorandtantalumcapacitormarket.Miniaturization,largecapacity,highvoltageandhighfrequency,anti-jammingandarrayingwillcontinuetobethedirectionofceramiccapacitordevelopment.(2)Smallsize,largecapacity,longlife,hightemperatureresistance,lowequivalentseriesresistance,etc.arestillthedevelopmentdirectionofaluminumelectrolyticcapacitors.(3)Chipproductscontinuetoleadthedevelopmentoftantalumcapacitorsinthedirectionofminiaturization,largecapacity,andlowimpedance,andtheproductionandapplicationoffunctionalpolymertantalumcapacitorswillbefurtherexpanded.(4)Themarketdemandandmarketshareofplasticfilmcapacitorswilldecline,butthedemandformetallizedplasticfilmcapacitorswillincrease,andthedemandforplasticfilmcapacitorsforinformationandcommunicationequipmentwillincrease,andplasticfilmsforinformationandcommunicationequipmentwillincrease.Thecapacitormarketwillcontinuetoexpand.Highfrequency,meetingsafetystandards,hightemperatureresistance,miniaturization,andchipformationwillbethedevelopmentdirectionofthiscapacitor.Inshort,theoveralleconomicoperationofthedomesticcapacitorindustryisrelativelystable.Asalargecapacitorproducingcountry,itisthedirectionofourultimateefforts.

04

2018

/

12

电力电容器的分类和主要用途

电力电容器的分类和主要用途

电力电容器的分类和主要用途电力电容器是用于电力系统和电工设备的电容器。特点是大功率、高电压、低频率，所以体积巨大。1926年电力电容器开始工厂化生产，并正式在电力系统中应用。

04

2018

/

12

电力电容器的分类和主要用途

电力电容器的分类和主要用途

电力电容器的分类和主要用途电力电容器是用于电力系统和电工设备的电容器。特点是大功率、高电压、低频率，所以体积巨大。1926年电力电容器开始工厂化生产，并正式在电力系统中应用。

04

2018

/

12

Classification and main use of power capacitors

Classification and main use of power capacitors

ClassificationandmainuseofpowercapacitorsPowercapacitorsarecapacitorsusedinpowersystemsandelectricalequipment.Itischaracterizedbyhighpower,highvoltageandlowfrequency,soitishuge.In1926,powercapacitorsbegantobefactory-producedandofficiallyappliedinpowersystems.Withtheestablishmentoflargepowerplantsandlong-distancetransmissionsystems,andthedevelopmentofemergingscienceandtechnologyfields,thevarietyandcapacityofpowercapacitorshavebeenrapidlydeveloped.Intheearly1950s,thelargestsingle-capacitycapacityofparallelcapacitorswas25kvar-kvar.By1978,thelargestsingle-unitcapacityhadreached6667kvar,andinthe1980sithadreachedasinglecapacityof10,000kilowatts.Currently,powercapacitorsaremovingtowardhighercapacity.Therearemanytypesofpowercapacitors.Accordingtotheirinstallationmethods,theycanbedividedintoindoorandoutdoortypes.Accordingtotheirratedvoltage,theycanbedividedintolowvoltageandhighvoltage.Accordingtotheirphasenumber,theycanbedividedintosinglephaseandthreephase.Exceptforthelow-voltageparallelcapacitors,therestaresingle-phase;accordingtotheshellmaterial,itcanbedividedintometalshell,porcelaininsulatingshell,bakelitecylindershell,etc.;accordingtoitsuse,itcanbedividedintothefollowingeightkinds.(1)Shuntcapacitor:formerlyknownasphaseshiftcapacitor.Itismainlyusedtocompensatethereactivepoweroftheinductiveloadofthepowersystemtoimprovethepowerfactor,improvethevoltagequalityandreducethelineloss.Single-phaseshuntcapacitorsaremainlycomposedofthecore,theoutercasingandtheoutletstructure.Themetalfoil(asaplate)iswoundupwithaninsulatingpaperoraplasticfilm,andapluralityofcomponents,insulators,andfastenersarepress-fittedtoformacapacitorcore,andtheinsulatingoilisimmersed.Theleadwiresofthecapacitorplateareledtotheoutletconnectionpieceatthelowerendoftheoutletporcelainsleeveafterbeingconnectedinseriesandinparallel.Themetalcasingofthecapacitorisfilledwithinsulatingmediumoil.(2)Seriescapacitors:connectedinseriesinpowerfrequencyhigh-voltagetransmissionanddistributionlinestocompensatethedistributioninductanceoftheline,improvethestaticanddynamicstabilityofthesystem,improvethevoltagequalityoftheline,lengthenthetransmissiondistanceandincreasethetransmission.Capacity.Itsbasicstructureissimilartoaparallelcapacitor.(3)Couplingcapacitor:Itismainlyusedforhigh-frequencycommunication,measurement,control,protectionofhigh-voltagepowerlinesandcomponentsusedindevicesforextractingelectricenergy.Thehighvoltageendofthecouplingcapacitorisconnectedtothepowerline,andthelowvoltageendisgroundedviathecouplingcoil,sothatthehighfrequencycarrierdeviceiscoupledtothehighvoltagelineatalowvoltage.Thecouplingcapacitorcaseiscomposedofabottomandacovermadeofaporcelainsleeveandasteelplate.Adilatormadeofthinsteelplateisplacedintheoutercasingtocompensateforthechangeinthevolumeoftheimpregnantwithtemperature.(4)Circuitbreakercapacitor:formerlyknownasvoltageequalizingcapacitor.Itismainlyusedforparallelvoltageequalizationonthefractureoftheultra-highvoltagecircuitbreaker,sothatthevoltagebetweenthefracturesisuniformduringthebreakingprocessanddisconnection,andthearc-extinguishingcharacteristicsofthecircuitbreakercanbeimprovedandthebreakingcapacitycanbeimproved.Thestructureofacommonlyusedcircuitbreakercapacitorissimilartothatofacouplingcapacitor.Withthedevelopmentofhigh-voltageceramiccapacitors,ceramiccapacitorshavebeenusedascapacitivecomponents,andthencasingsmadeofporcelainsleevesandsteelplatesareusedtoformcircuitbreakercapacitors.(5)Electrothermalcapacitor:usedinanelectricheatingsystemwithafrequencyof40Hz—24000Hztoimprovethepowerfactorandimprovethevoltageorfrequencyofthecircuit.Electricheatingcapacitorsmusthaveagoodheatdissipationduetotheirlargeamountofheat.Usually,theplatesarecooledbywater.Applicabletoelectricheatingcapacitorsabove4000Hz,theoutercasingisweldedwithbrassplate.(6)Pulsecapacitor:Itmainlyfunctionsasastorageenergy.Itischargedbyapowersourcewithasmallpowerforalongperiodoftime,andthenoscillatedordischargedwithoutoscillatinginashorttime,andalargeimpactpowercanbeobtained.Pulsecapacitorsarewidelyused,suchasbasicvoltageenergystoragecomponentssuchassurgevoltagegenerators,surgecurrentgenerators,andcircuitbreakertestcircuitbreakers.(7)DCandfiltercapacitors:usedinhighvoltageDCdevicesandhighvoltagerectifierfilterdevices.AnACfiltercapacitorcanbeusedtofilterouthigherharmoniccomponentsinthepowerfrequencycurrent.(8)Standardcapacitor:usedinthepowerfrequencyhigh-voltagemeasurementmediumlosscircuit,asastandardcapacitororasacapacitorvoltagedividerformeasuringhighvoltage.Standardcapacitorsrequireaccurateandstablecapacitancevalues,sogasanddoubleshieldedcoaxialcylindricalandconcentricsphericalplatesystemsareoftenused.

04

2018

/

12

Classification and main use of power capacitors

Classification and main use of power capacitors

ClassificationandmainuseofpowercapacitorsPowercapacitorsarecapacitorsusedinpowersystemsandelectricalequipment.Itischaracterizedbyhighpower,highvoltageandlowfrequency,soitishuge.In1926,powercapacitorsbegantobefactory-producedandofficiallyappliedinpowersystems.Withtheestablishmentoflargepowerplantsandlong-distancetransmissionsystems,andthedevelopmentofemergingscienceandtechnologyfields,thevarietyandcapacityofpowercapacitorshavebeenrapidlydeveloped.Intheearly1950s,thelargestsingle-capacitycapacityofparallelcapacitorswas25kvar-kvar.By1978,thelargestsingle-unitcapacityhadreached6667kvar,andinthe1980sithadreachedasinglecapacityof10,000kilowatts.Currently,powercapacitorsaremovingtowardhighercapacity.Therearemanytypesofpowercapacitors.Accordingtotheirinstallationmethods,theycanbedividedintoindoorandoutdoortypes.Accordingtotheirratedvoltage,theycanbedividedintolowvoltageandhighvoltage.Accordingtotheirphasenumber,theycanbedividedintosinglephaseandthreephase.Exceptforthelow-voltageparallelcapacitors,therestaresingle-phase;accordingtotheshellmaterial,itcanbedividedintometalshell,porcelaininsulatingshell,bakelitecylindershell,etc.;accordingtoitsuse,itcanbedividedintothefollowingeightkinds.(1)Shuntcapacitor:formerlyknownasphaseshiftcapacitor.Itismainlyusedtocompensatethereactivepoweroftheinductiveloadofthepowersystemtoimprovethepowerfactor,improvethevoltagequalityandreducethelineloss.Single-phaseshuntcapacitorsaremainlycomposedofthecore,theoutercasingandtheoutletstructure.Themetalfoil(asaplate)iswoundupwithaninsulatingpaperoraplasticfilm,andapluralityofcomponents,insulators,andfastenersarepress-fittedtoformacapacitorcore,andtheinsulatingoilisimmersed.Theleadwiresofthecapacitorplateareledtotheoutletconnectionpieceatthelowerendoftheoutletporcelainsleeveafterbeingconnectedinseriesandinparallel.Themetalcasingofthecapacitorisfilledwithinsulatingmediumoil.(2)Seriescapacitors:connectedinseriesinpowerfrequencyhigh-voltagetransmissionanddistributionlinestocompensatethedistributioninductanceoftheline,improvethestaticanddynamicstabilityofthesystem,improvethevoltagequalityoftheline,lengthenthetransmissiondistanceandincreasethetransmission.Capacity.Itsbasicstructureissimilartoaparallelcapacitor.(3)Couplingcapacitor:Itismainlyusedforhigh-frequencycommunication,measurement,control,protectionofhigh-voltagepowerlinesandcomponentsusedindevicesforextractingelectricenergy.Thehighvoltageendofthecouplingcapacitorisconnectedtothepowerline,andthelowvoltageendisgroundedviathecouplingcoil,sothatthehighfrequencycarrierdeviceiscoupledtothehighvoltagelineatalowvoltage.Thecouplingcapacitorcaseiscomposedofabottomandacovermadeofaporcelainsleeveandasteelplate.Adilatormadeofthinsteelplateisplacedintheoutercasingtocompensateforthechangeinthevolumeoftheimpregnantwithtemperature.(4)Circuitbreakercapacitor:formerlyknownasvoltageequalizingcapacitor.Itismainlyusedforparallelvoltageequalizationonthefractureoftheultra-highvoltagecircuitbreaker,sothatthevoltagebetweenthefracturesisuniformduringthebreakingprocessanddisconnection,andthearc-extinguishingcharacteristicsofthecircuitbreakercanbeimprovedandthebreakingcapacitycanbeimproved.Thestructureofacommonlyusedcircuitbreakercapacitorissimilartothatofacouplingcapacitor.Withthedevelopmentofhigh-voltageceramiccapacitors,ceramiccapacitorshavebeenusedascapacitivecomponents,andthencasingsmadeofporcelainsleevesandsteelplatesareusedtoformcircuitbreakercapacitors.(5)Electrothermalcapacitor:usedinanelectricheatingsystemwithafrequencyof40Hz—24000Hztoimprovethepowerfactorandimprovethevoltageorfrequencyofthecircuit.Electricheatingcapacitorsmusthaveagoodheatdissipationduetotheirlargeamountofheat.Usually,theplatesarecooledbywater.Applicabletoelectricheatingcapacitorsabove4000Hz,theoutercasingisweldedwithbrassplate.(6)Pulsecapacitor:Itmainlyfunctionsasastorageenergy.Itischargedbyapowersourcewithasmallpowerforalongperiodoftime,andthenoscillatedordischargedwithoutoscillatinginashorttime,andalargeimpactpowercanbeobtained.Pulsecapacitorsarewidelyused,suchasbasicvoltageenergystoragecomponentssuchassurgevoltagegenerators,surgecurrentgenerators,andcircuitbreakertestcircuitbreakers.(7)DCandfiltercapacitors:usedinhighvoltageDCdevicesandhighvoltagerectifierfilterdevices.AnACfiltercapacitorcanbeusedtofilterouthigherharmoniccomponentsinthepowerfrequencycurrent.(8)Standardcapacitor:usedinthepowerfrequencyhigh-voltagemeasurementmediumlosscircuit,asastandardcapacitororasacapacitorvoltagedividerformeasuringhighvoltage.Standardcapacitorsrequireaccurateandstablecapacitancevalues,sogasanddoubleshieldedcoaxialcylindricalandconcentricsphericalplatesystemsareoftenused.

04

2018

/

12

5年内中国有望成全球第一大电子产品市场

5年内中国有望成全球第一大电子产品市场

工信部电子科学技术情报研究所所长洪京一日前在成都表示，新兴国家市场将成为带动全球电子信息产业发展的新引擎，而中国有望在3到5年之内超过美国，成为全球第一大电子产品市场。

04

2018

/

12

5年内中国有望成全球第一大电子产品市场

5年内中国有望成全球第一大电子产品市场

工信部电子科学技术情报研究所所长洪京一日前在成都表示，新兴国家市场将成为带动全球电子信息产业发展的新引擎，而中国有望在3到5年之内超过美国，成为全球第一大电子产品市场。

04

2018

/

12

< 12345 >

联系电话：

+86-757-86816518

联系邮箱：

xydz@nh-xinyuan.com.cn

联系地址：

广东省佛山市南海区西樵科技工业园富达路

您好！我们有什么能帮到您

点击提交，我们会即使与您联系！
%{tishi_zhanwei}%

*注意：请务必准确填写信息并保持沟通畅通，我们将尽快与您联系

Copyright © 2024 佛山市欣源电子股份有限公司 版权所有  网站建设：中企动力 佛山 | SEO 营业执照

SAF Coolest v1.3.1.2 设置面板GAGSS-ZGYF-JVSAE-ZAF

图片ALT信息： 佛山市欣源电子股份有限公司
违禁词： 第一，最，一流，领先，独一无二，王者，龙头，领导者，极致，

无数据提示

Sorry，当前栏目正在更新中，敬请期待!

您可以查看其他栏目或返回 首页

V1.3.1 SVG图标库请自行添加图标，用div包起来，并命名使用