DIN VDE 0281 T.402-1988 PVC绝缘电力导线.05VVPVC软线
时间:2024-05-06 14:48:06 来源: 标准资料网 作者：标准资料网 阅读：9380
【英文标准名称】:PVCcables,wiresandflexiblecordsforpowerinstallation;PVC-sheathedflexiblecord05VV
【原文标准名称】:PVC绝缘电力导线.05VVPVC软线
【标准号】:DINVDE0281T.402-1988
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
MIL-DTL-85052/2C, CLAMP, LOOP, TUBE -17-7 PH CRES, 275 DEG. F, PHOSPHATE ESTER FLUID RESISTANT (30 MAR 2005) [SUPERSEDING MIL-C-85052/2B]., This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-85052.【英文标准名称】:PM-coresmadeofmagneticoxidesandassociatedparts-Dimensions
【原文标准名称】:磁氧化物和相关零部件制的PM芯.尺寸
【标准号】:BSEN61247-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电力变压器;氧化物;互换性;磁路;变压器;电气元件;尺寸;尺寸;名称与符号;位置;磁性器件;磁芯;插脚;印制电路;永久磁铁
【英文主题词】:Accessories;Bobbins;Dimensions;Electricalengineering;Magnetic;Magneticcomponents;Magneticcores;Oxides;Pins(nails);PM-cores;Potcores;Printedwiring
【摘要】:ThisInternationalStandardspecifiesthedimensionsthatareofimportanceformechanicalinterchangeabilityforapreferredrangeofPM-coresmadeofmagneticoxides,themaindimensionsforcoilformerstobeusedwiththesecoresandthelocationsoftheirpinsonamodularprintedwiringgridinrelationtothebaseoutlinesofcores.Italsospecifiestheeffectiveparametervaluestobeusedincalculationsinvolvingthesecores.TheuseofderivedstandardswhichgiveamoredetailedspecificationofcomponentpartswhilststillpermittingcompliancewiththisstandardisdiscussedinannexA.PM-coresaresocalledbecausetheyarederivedfrompot-coresandhavecutoutspermittingtheuseofcoilformerscontainingterminalpinsformountingonamodularprintedwiringboard.Theyaremainlyintendedforuseinpowerapplicationssuchasswitchedmodepowersupplies(SMPS),pulsepowertransformersandbroadbandtransformers.Fortheseapplicationsthepot-coreshapegivestheadvantage,comparedwithothershapes,ofarelativelylargecross-sectionwithcorrespondinglyhighmagneticflux,whichinturnpermitswindingsoffewerturnsforagivenpower,withtheassociatedbenefitsoflowleakageinductanceandself-capacitance.Thesecoresalsoprovidegoodshielding,easymountingandenablepreciseair-gapstobeground.PM-coresarealsoofinterestfornewSMPStechniquesinvolvinghigherpowersatfrequenciesgreaterthan50kHz,since,becausetheypossessrelativelysmallopenings,thestrayfieldlosseswhichincreasewithfrequencyaremuchsmallerthanwithanyE-coretype.ThepresentrangeofPM-corescontainsfivesizes,fourofwhicharesuitableformountingdirectlyonaprintedwiringboardwithasimpleU-boltmounting.Thelocationsofthemountingpinsforthesecoresandtheirnumberingarespecified:theyareatspacingsoftwomodulesandtheirpossiblenumbervariesfrom14to20.Thelargestcoreistooheavyformountingonaprintedwiringboard,andneitherthenumberorlocationofitsterminalpins,whichareusuallylocatedwithinthecut-outofthecore,arespecified.
【中国标准分类号】:L19
【国际标准分类号】:29_100_10
【页数】:18P;A4
【正文语种】:英语