IEC 61992-7-3-2006 铁路应用设施.固定设施.直流开关装置.第7-3部分:直流牵引系统特定用途的测量,控制和保护装置.绝缘电压转换器和其他电压测量装置

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【英文标准名称】:Railwayapplications-Fixedinstallations-DCswitchgear-Part7-3:Measurement,controlandprotectiondevicesforspecificuseind.c.tractionsystems-Isolatingvoltagetransducersandothervoltagemeasuringdevices
【原文标准名称】:铁路应用设施.固定设施.直流开关装置.第7-3部分:直流牵引系统特定用途的测量,控制和保护装置.绝缘电压转换器和其他电压测量装置
【标准号】:IEC61992-7-3-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-02
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC9
【标准类型】:()
【标准水平】:()
【中文主题词】:直流电流;直流装置;电力牵引;电气工程;电驱动装置;指导手册;隔离变压器;测量仪器;使用条件;设备;电压互感器;铁路设施;铁路电力牵引装置;铁路;规范(验收);开关设备;交通车辆;传感器;电压测量装置
【英文主题词】:Directcurrent;Directcurrentinstallations;Electrictraction;Electricalengineering;Electrically-operateddevices;Guidebooks;Isolatingtransformers;Measuringinstruments;Operatingconditions;Plant;Potentialtransformers;Railwayapplications;Railwayelectrictractionequipment;Railways;Specification(approval);Switchgears;Trafficvehicles;Transducers;Voltagemeasuringinstruments
【摘要】:ThispartofIEC61992givestherequirementsforisolatingvoltagetransducersandothervoltagemeasuringdevicesusedind.c.railwayapplications,fixedinstallations.Thistransducerisnormallypositionedbetweenthevoltagesensorontheliveswitchboardconductororrailandthesecondarydevice,givinggalvanicinsulationbetweentheinputandtheoutput.
【中国标准分类号】:S35
【国际标准分类号】:29_120_40;29_280;45_060
【页数】:22P.;A4
【正文语种】:

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下一篇: IEC 61992-7-2-2006 铁路应用设施.固定装置.直流开关装置.第7-2部分:直流牵引系统中的特定用途用测定,控制和保护装置.隔离换流器和其他电流测定装置

【英文标准名称】:Testcodeforperformanceandaccuracyofsurfacegrindingmachineswithhorizontalgrindingwheelspindleandreciprocatingtable
【原文标准名称】:卧轴矩形工作台平面磨床的试验及检验方法
【标准号】:JISB6213-1986
【标准状态】:作废
【国别】:日本
【发布日期】:1986-11-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:FactoryAutomation
【标准类型】:()
【标准水平】:()
【中文主题词】:磨床;准确度;性能试验
【英文主题词】:grindingmachines;performancetesting;accuracy
【摘要】:
【中国标准分类号】:J55
【国际标准分类号】:25_080_50
【页数】:16P;A4
【正文语种】:日语

Product Code:SAE ARP490
Title:Electrohydraulic Servovalves
Issuing Committee:A-6b1 Hydraulic Servo Actuation Committee
Scope:This SAE Aerospace Recommended Practice (ARP) provides definitions and background information for understanding the physical performance, and test procedures of electrohydraulic flow control servovalves.The recommendations are confined to interface definition and input/output characteristics. This ARP does not restrict or attempt to define the internal characteristics of servovalves. As such, the recommendations are equally applicable to valves having different internal functioning, different ratings, different physical size, and valves used with different fluids. In certain instances, standards for valve design are recommended for the purpose of interchangeability, as for example, valve polarity, mounting bolt and fluid port locations.The ARP provides extensive guidance for the preparation of Procurement Specifications and for functional testing. A sample Procurement Specification is provided in Appendix A. The primary focus of this ARP is on four-way valves. Three-way valves are discussed to a limited extent and terminology for pressure control valves is presented in Appendix B. This ARP is applicable to fluid power systems in all types of flight vehicles, and it is applicable to Military, Civil and Space design/certification standards. Additional specifications or specialized test procedures may be necessary to define special requirements for specific control systems, and such considerations are beyond the scope of this ARP.