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  • 简介:变压陕西西北农业大学张锐变压(Transformator)是一种提高或降低交流电压(zurErhhungoderHerabsetzungderelektrischenSpannungvonWechselstrmen)静止电器(einruhige...

  • 标签: 干式变压器 原线圈 变压器油 单相变压器 感应生 电流互感器
  • 简介:摘要近年来,随着城镇化和工业化进程逐步加快,社会经济呈现出繁荣发展态势,各行各业对于电力能源需求量和依赖程度有了很大提升,变压作为电力系统重要组成部分,在推动电力事业发展方面扮演着十分重要角色。电力技术人员可以根据实际情况改变变压连接方式,而串联是一种非常普遍连接方法,本文将简要概述串联变压调压工作情况,并分析串联电路中实现调压需要电力变压调压需求,希望为广大电力工作者提供有益借鉴。

  • 标签: 串联变压器 电力变压器 调压
  • 简介:摘要变压装置在电力体系中应用较为广泛,从发电,送电,配电和用电各个板块均需要变压,但当前变压负荷率不高,对经济运行产生很大负面影响。本文首先给出提升变压负荷率重要措施,包括选择变压容量,提高变压利用率,科学调节用电负荷,进而分析了现场调节方法,即调整停运空载与轻载变压,调节母子变供电模式。给出无功补偿,如调节反馈控制和负荷率,完成电量解析与负荷测算,分割变压经济运行区间。

  • 标签: 变压装置 负荷率 容量 空载 轻载 无功补偿
  • 简介:Capabilitiesofgas-analyticaltransformerdiagnosticstoclearupfailures,CapacitychangeofsolidinsulatorsundertheinfluenceofAChighvoltage,Chargeaccumulationcausedbystreamingelectrificationintransformeroil,Comparisonofdifferentneuralnetworksalgorithmsusedinthediagnosisandthermalageingpredictionoftransformeroil,ConductionofWaterClustersinModifiedAgedOil,DechlorinationofPolychlorinatedBiphenylsinIndustrialTransformerOilbyRadiolyticandPhotolyticMethods。

  • 标签: 变压器油 故障诊断 固体绝缘 神经网络
  • 简介:Anumericalapproachtotheevaluationofuncertaintyinnonconventionalmeasurementsonpowersystems,Asimplemethodforcalculatingwindingtemperaturegradientinpowertransformers,Ageingandlife-managementofpowertransformers,Aninvestigationintotheinternalovervoltagesgeneratedbydisconnectorsingasinsulatedsubstations

  • 标签: 电力变压器 数字逼近 温度梯度 功率转换
  • 简介:ApplicationofZig-ZagTransformersinaThree-wireThree-phaseDynamicSagCorrectorSystem,ApplyingTransformerConcepttoNon-isolatedVoltageRegulatorsSignificantlyImprovestheEfficiencyandTransientResponse,BDVRTECHNOLOGY-AMULTIFUNCTIONRIDE-THROUGHSYSTEMFORADJUSTABLESPEEDDRIVESOFCRITICALLOADS,Bi-directionalsingle-phasehalf-bridgerectifierforpowerqualitycompensation,ChoiceofUtilityFunctionsforAdaptiveCriticDesigns,CompactDSPApplicationforalOOkWDCPowerSupply,ComparisonaboutFiveCandidatesfor12VVRMTopology。

  • 标签: 调压变压器 非隔离调整 瞬态响应 DSP
  • 简介:ADC/ACconverterforsingle-phasegrid-connectedphotovoltaicsystems-IECON'02;ANEWZVTDC-TO-DCFULLBRIDGECONVERTER;AThree-PhaseAC/ACHigh-FrequencyLinkMatrixConverterforVSCFApplications;Analysisofeffectiveresistanceandeddy-currentlossesinmultiturnwindingofhigh-frequencymagneticcomponents;Bi-polarityphase-shiftedcontrolledvoltagemodeAC/ACconverterswithhighfrequencyaelink;Contactlesspowerandinformationtransmission;

  • 标签: 高频变压器 VSCF DC/AC变换器 信息传输
  • 简介:1ATMSUBCOOLEDLIQUIDNITROGENCRYOGENICSYSTEMWITHGM-REFRIGERATORFORAHTSPOWERTRANSFORMER;Acontactlesselectricalenergytransmissionsystemforportable-telephonebatterychargers;Acurrent-basedsolutionfortransformerdifferentialprotection-PartⅡ:relaydescriptionandevaluation;Aforwardconvertertopologyemployingaresonantauxiliarycircuittoachievesoftswitchingandpowertransformerresetting;Anewmethodbasedonwaveletpackettransformationtoreducenarrowbandnoiseinon-sitePDmeasurement;ANewMethodfortheCalculationoftheHot-SpotTemperatureinPowerTransformersWithONANCooling;

  • 标签: 电力变压器 差动保护 辅助电路 软开关
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  • 简介:2MeVaverageY-rayenergy,6nsdurationbremsstrahlungradiationfromtheconicalanodediode,Ahybridsolid-stateinductionmodulatorwithpulsetransformertodriveSLACklystrons,CostEffectiveMultiPulseTransformerSolutionsForHarmonicMitigationinACDrives,Developmentofamagneticpulsecompressionmodulatorforfluegastreatment,FieldanalysisofTWTHVPStransformerandHVmodule,Highvoltagepulsegeneratorusingboostconverterarray,SurgeSimulationinPulseTransformerModelbyNumericalElectromagneticFieldComputation。

  • 标签: 脉冲变压器 SLAC电子管 脉冲变换 电磁估计
  • 简介:ASingle-StageHighPowerFactorVoltageRegulatorwithReducedIntermediateBusVoltageStress.AsinusoidalPWMseriesvoltageregulator,AtwostageVoltageRegulatorModulewithfasttransientresponsecapability,Activevoltageregulatorbasedonnovelsynchronizationmethodforunbalanceandfluctuationcompensation,

  • 标签: 调压变压器 PWM 瞬时响应 同步
  • 简介:Aneuralarchitecturetoanalysisofdissolvedgasesininsulatingoilsusedintransformers;ANewDataMiningApproachtoDissolvedGasAnalysisofOil-InsulatedPowerApparatus;Anewlymodifiedforcedoilcoolingsystemanditsimpactonin-servicetransformeroilcharacteristics;Applicationofacombinatorialneuralnetworkmodelbasedonclusteranalysisintransformerfaultdiagnosis;AREWETHERIGHTTRANSFORMERS?;Breakdowncharacteristicsofoilandpaperinsulationforaveryfasttransientvoltage.

  • 标签: 变压器 绝缘油 溶解气体 神经网络 故障诊断