TB/T 1456-1999 机车受电弓技术条件
作者:标准资料网 时间:2024-05-18 14:32:32 浏览:8492
来源:标准资料网
基本信息
| 标准名称： | 机车受电弓技术条件 |
| 中标分类： |
铁路 >>
机车 >>
电力机车 |
| 替代情况： | TB 1456-1982;被TB/T 1456-2004代替 |
| 发布日期： | 1999-11-26 |
| 实施日期： | 2001-12-01 |
| 首发日期： | |
| 作废日期： | 2004-11-01 |
| 出版日期： | |
| 页数： | 11页 |
适用范围
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前言
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目录
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引用标准
没有内容
所属分类： 铁路 机车 电力机车
MIL-DTL-27500H (AMENDMENT 1), MILITARY SPECIFICATION: CABLE, POWER, ELECTRICAL AND CABLE SPECIAL PURPOSE, ELECTRICAL SHIELDED AND UNSHIELDED, GENERAL SPECIFICATION FOR (26 NOV 1999) [SUPERSEDES MIL-C-27500G] [S/S BY NEMA-WC27500]., This amendment forms a part of MIL-DTL-27500H, dated 10 December 1997, and is approved for use by all Departments and Agencies of the Department of Defense.【英文标准名称】:StandardTestMethodsforElectricalPerformancePropertiesofInsulationsandJacketsforTelecommunicationsWireandCable
【原文标准名称】:远程通信电线和电缆用绝缘体和套管电气性能特性的标准试验方法
【标准号】:ASTMD4566-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D09.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aging;attenuation;attenuationtocrosstalkrationear-end;attenuationtocrosstalkratiofar-end;capacitancedeviation;capacitancedifference;capacitanceunbalancepair-to-pair;capacitanceunbalancepair-to-ground;capacitanceunbalancepai
【摘要】:Electricaltests,properlyinterpreted,provideinformationwithregardtotheelectricalpropertiesoftheinsulation.Theelectricaltestvaluesgiveanindicationastohowtheinsulationwillperformunderconditionssimilartothoseobservedinthetests.Electricaltestsmayprovidedataforresearchanddevelopment,engineeringdesign,qualitycontrol,andacceptanceorrejectionunderspecifications.1.1Thesetestmethodscoverproceduresforelectricaltestingofthermoplasticinsulationsandjacketsusedontelecommunicationswireandcableandforthetestingofelectricalcharacteristicsofcompletedproducts.Todeterminetheproceduretobeusedontheparticularinsulationorjacketcompound,orontheendproduct,referenceshouldbemadetothespecificationfortheproduct.1.2Thetestmethodsappearinthefollowingsectionsofthisstandard:TestMethodSectionsElectricalTestsofInsulationx2014;In-Process
4-8
DCprooftest
8
Insulationdefectorfaultrate
7
Sparktest
6
ElectricalTestsofCompletedWireandCable
9-51
Attenuation
24
Attenuation,effectsduetoaging
31
Attenuation,effectsduetoelevatedtemperature
29
Attenuation,effectsduetohumidity
30
Attenuationtocrosstalkratiox2014;farend(ACR-F)
28
Attenuationtocrosstalkratiox2014;nearend(ACR-N)
26
Capacitancedeviation
19
Capacitancedifference
20
Capacitanceunbalance,Pair-to-ground(CUPG)
22
Capacitanceunbalance,Pair-to-pair(CUPP)
21
Capacitanceunbalance,Pair-to-supportwire
23
CharacteristicImpedancex2014;Method1Propagationconstantandcapacitance
47
CharacteristicImpedancex2014;Method2,Single-endedmeasurements
48
CharacteristicImpedancex2014;Method3LeastSquaresFunctionFit
49
Coaxialcapacitance(capacitancetowater)
17
Conductorcontinuity
11
Conductorresistance(CR)
