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    三相大电流发生器主要技术参数: 1)输入交流50Hz,220V。 2)可平衡的输出0—客户需求的--三相交流大电流;可平滑平稳连续可调,精度高于0.5级;输出电流是标准正弦波 3)输出电流方式:真有效值连续可调 4)输出波形:标准正弦波 5)输出开口电压:≥6V 6)电流稳定度:0.2%。 7)电流波形失真THD1%设计标准远远高于国标<>. 8)保护设置过流、过压...
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    精密露点仪的显示,首先设置端口功能,P1.0~P1.2为输出口,依次输出低电平;P1.3、P1.4为输入口,开放中断,选定下降沿触发。当有键按下时,在P1口中断服务程序内,完成去抖动延时、键值读取等功能,得到的键值交后续程序处理。 片内LCD驱动器可工作于静态及2~4多选四种模式,*多可接4~32=128段液晶。图1中R33、R23、R13、R03引脚设定模拟偏置电压,提供驱...
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    交直流两用分压器的故障分析(一)10kV(35kv、66kV)线路跳闸线路跳闸后,应检查保护动作情况,检查故障线路检查范围从线路CT至线路出口。若没有异常再重点检查跳闸开关,检查消弧线圈状况,检查三相拐臂和开关位置指示器;如开关为电磁机构,还要检查开关动力保险接触是否良好,如为弹簧机构要检查弹簧储能是否正常,如为液压机构要检查压力是否正常。检查所有...
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    PowerIndustry--PowermarketdevelopmentTonormalizeandensureaunified,open,competitiveandorderlypowermarket,SERCworkedoutandissuedRegulationoverPowerMarket(Tentative)andBasicRulesonPowerMarketOperation(Tentative)andotherregulations.SERCalsoputforththeInstructiononEstablishingNortheastChinaRegionalPowerMarketandNoticeonLaunchingEastChinaP...
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    PowerIndustry--PowersupplyThenationwidepowershortagesituationbecameevenseverein2003.Facingthissternpowersupply/demandsituation,theStateCouncilAdministrativeOfficeissuedtheNoticeofStrengtheningEarnestlyPowerSupplyManagementonApril21,whichcalledforalldepartmentsundertheStateCouncil,localgovernmentsandpowerenterprisestostrengthenleaders...
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    智能蓄电池测试仪操作步骤:1、在单电池测试的同时,报告电池的状态(优、良、中、换、异常)2、完成一组电池测试后,自动形成本组测试结果的分析报告。※系统内置强大的标准内阻值数据库,含250种内阻参考值。※可以对电池按照站/组/节号进行参考值管理,一次设定,重复测试。
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    来扬电气真空度测试原理: 本仪器*突出的特点是:实现了真空灭弧室的免拆卸测量,直接显示真空度值,使真空断路器用户详细掌握灭弧室的真空状态,为有计划地更换灭弧室提供了可靠的依据,为电网的**运行提供了有力保障,克服了工频耐压法仅能判断灭弧室是否报废的缺陷。本仪器测量精度高,操作简单,携带方便,抗干扰能力强,特别适用于供电单位现场测试,...
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    China'spowergeneratorsmullbuildingconcentratedsolarpowerprojects FiveChinesepowergenerationgroupsincludingChinaDatangCorporation,theChinaHuanengGroup,ChinaHuadianCorporation,ChinaGuodianCorporation,andChinaPowerInvestmentCorporationarecarryingoutfeasibilitystudiesontheconstructionofconcentratedsolarpower(CSP)farms,saidanindustryinsid...
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    PrecautionforUse(LYZT5500 HighVoltageInsulationResistanceTester) Thankyouforpurchasing HighVoltageInsulationResistanceTester.Beforeusingthetesterforthefirsttime,toavoidpossibleelectricshockorpersonalinjury,pleasebesure: ---Readcarefullyandstrictlyfollowthesafetyregulationsandprecautionslistedinthismanual. ---Inanycase,youshou...
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    PrecautionforUse(LYZT5500 HVInsulationResistanceTester) Thankyouforpurchasing HighVoltageInsulationResistanceTester.Beforeusingthetesterforthefirsttime,toavoidpossibleelectricshockorpersonalinjury,pleasebesure: ---Readcarefullyandstrictlyfollowthesafetyregulationsandprecautionslistedinthismanual. ---Inanycase,youshouldpayspeci...
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    PrecautionforUse(LYZT5500 InsulationResistanceMeter) Thankyouforpurchasing HighVoltageInsulationResistanceTester.Beforeusingthetesterforthefirsttime,toavoidpossibleelectricshockorpersonalinjury,pleasebesure: ---Readcarefullyandstrictlyfollowthesafetyregulationsandprecautionslistedinthismanual. ---Inanycase,youshouldpayspeciala...
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    1、Introduction(LYXW9000F MultifunctionThree-phasePhaseVoltammeter) LYXW9000FMultifunctionThree-phasePhaseVoltammeter,isamultifunctionmeterwithtouchscreen,whichcanmeasurevoltageamplitude,currentamplitude,voltagephase,currentphase,frequency,power,activepower,reactivepower,harmonics,andcandisplaythevectorillustrationofthree-phas...
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    1、Introduction(LYXW9000F Three-phasePhaseVoltammeter) LYXW9000FMultifunctionThree-phasePhaseVoltammeter,isamultifunctionmeterwithtouchscreen,whichcanmeasurevoltageamplitude,currentamplitude,voltagephase,currentphase,frequency,power,activepower,reactivepower,harmonics,andcandisplaythevectorillustrationofthree-phasevoltageandthr...
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    1、Introduction(LYXW9000F Three-phasephasevolt-amperemeter) LYXW9000FMultifunctionThree-phasePhaseVoltammeter,isamultifunctionmeterwithtouchscreen,whichcanmeasurevoltageamplitude,currentamplitude,voltagephase,currentphase,frequency,power,activepower,reactivepower,harmonics,andcandisplaythevectorillustrationofthree-phasevoltagea...
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    1.Introduction(LYBSY-3000 ACSamplingTransmitterCalibrationDevice) LYBSY-3000 istheuseofmoderntesting,DDSwaveformsynthesis,high-speeddigitalprocessor(DSP),complexprogrammablelogicarray(CPLD),large-scaleintegratedpoweramplifier,andthedesignofembeddedcomputersystemtechnology.Itissuitableforelectricenergymeter(optional),ACandDCindi...
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