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BS 7484-1991 低频导线分布和公共供电系统中的信号的电磁环境指南

作者:标准资料网 时间:2024-05-15 19:52:20  浏览:8876   来源:标准资料网
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【英文标准名称】:Guidetoelectromagneticenvironmentforlow-frequencyconducteddisturbancesandsignallinginpublicpowersupplysystems
【原文标准名称】:低频导线分布和公共供电系统中的信号的电磁环境指南
【标准号】:BS7484-1991
【标准状态】:现行
【国别】:英国
【发布日期】:1991-10-31
【实施或试行日期】:1991-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电磁辐射;电磁兼容性;分类系统;电力系统;信号传输;电压波动;可混用性;调幅;兼容性;电负载;低频;电网;射频;电路;变频机;乱真信号;电力系统干扰;谐波
【英文主题词】:Compatibility;Definition;Definitions;Electricpowernetworks;Electricpowersystems;Electricalengineering;Electricalfaults;Electromagnetic;Electromagneticcompatibility;Electromagneticfields;Electromagnetism;EMC;Environmentalconditions;Influencequantities;Interferencerejections;Interferences;Limits(mathematics);Lowfrequencies;Low-frequencyengineering;Magneticfieldeffects;Magnetoelectriceffects;Measurement;Signaltransmission
【摘要】:ThissectionofIEC1000-2isconcernedwithconducteddisturbancesinthefrequencyrangeupto10kHzwithanextensionformainssignallingsystems.Separatesectionsgivenumericalcompatibilitylevelsfordifferentsystemvoltagelevels.Thissectiondoesnotdealwiththeapplicationofcompatibilitylevelstoassess,forexample,thepermissibleinterferenceemissionfromspecificitemsofequipmentorinstallations,becauseothersystemparameters,suchasitsimpedanceasafunctionoffrequency,havealsotobeconsidered.Furthermore,itdoesnotprejudgethespecificationofimmunitylevelsbytheproductcommitteesbutmerelyprovidesaguide.Thedisturbancephenomenaconsideredare:-harmonics;-inter-harmonics;-voltagefluctuations;-voltagedipsandshortsupplyinterruptions;-voltageunbalance;-mainssignalling;-powerfrequencyvariation;-d.c.components.Theobjectofthissectionistogiveinformationonthevarioustypesofdisturbancesthatcanbeexpectedonpublicpowersupplysystems.Itisareferencedocumentforthoseassociatedpartsthatgivevaluesofcompatibilitylevel.
【中国标准分类号】:F20
【国际标准分类号】:33_100_20
【页数】:32P.;A4
【正文语种】:英语


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【英文标准名称】:Hydraulicplatforms(HPs)forfirefightingandrescueservices-Safetyrequirementsandtesting;GermanversionEN1777:2004
【原文标准名称】:消防和救援设备用液压平台.安全要求和检验
【标准号】:EN1777-2004
【标准状态】:现行
【国别】:
【发布日期】:2005-02
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:救护服务;消防;消防车;工作架;提升装置;安全要求;文献工作;试验;工作平台;危害;安全装置;材料强度;救援车;安全工程;运载工具;数学计算;消防队;定义;规范(验收)
【英文主题词】:Definition;Definitions;Documentations;Emergencyvehicles;Firebrigade;Firefightingvehicles;Firefighting;Firefightingvehicles;Hazards;Liftingappliance;Mathematicalcalculations;Rescueandambulanceservices;Safetydevices;Safetyengineering;Safetyrequirements;Specification(approval);Staging;Strengthofmaterials;Testing;Vehicles;Workingplatforms
【摘要】:
【中国标准分类号】:C85
【国际标准分类号】:13_220_10
【页数】:88P.;A4
【正文语种】:英语


Product Code:SAE J2441
Title:Shot Peening
Issuing Committee:Surface Enhancement Committee
Scope:This SAE Standard covers the engineering requirements for peening surfaces of parts by impingement of metallic shot, glass beads, or ceramic shot.To induce residual compressive stress in surface layers of parts, thereby increasing fatigue strength and resistance to stress-corrosion cracking.

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