简介:摘 要:楼栋调压器由于体积小,安装成本低,安装工艺简单,在我公司燃气工程发展过程中得到广泛应用。我公司城镇燃气发展至今,楼栋调压器数量巨大,后期运行过程中,在管理和后期维护等方面暴露很多问题,需要大量的运行人员现场巡检以及大量的维修费用。
简介:摘要:随着国家经济发展,城市化快速推进,推动了城市燃气建设的快速发展。城镇居民小区楼栋调压箱检修维护、工商用户等燃气管道维修、改造、新建等停气碰口时,需要将管线内的余留燃气排空并合理处置,注氮置换等作业场景,需保障施工作业及恢复供气时安全。
简介:ApplicationofZig-ZagTransformersinaThree-wireThree-phaseDynamicSagCorrectorSystem,ApplyingTransformerConcepttoNon-isolatedVoltageRegulatorsSignificantlyImprovestheEfficiencyandTransientResponse,BDVRTECHNOLOGY-AMULTIFUNCTIONRIDE-THROUGHSYSTEMFORADJUSTABLESPEEDDRIVESOFCRITICALLOADS,Bi-directionalsingle-phasehalf-bridgerectifierforpowerqualitycompensation,ChoiceofUtilityFunctionsforAdaptiveCriticDesigns,CompactDSPApplicationforalOOkWDCPowerSupply,ComparisonaboutFiveCandidatesfor12VVRMTopology。
简介:ASingle-StageHighPowerFactorVoltageRegulatorwithReducedIntermediateBusVoltageStress.AsinusoidalPWMseriesvoltageregulator,AtwostageVoltageRegulatorModulewithfasttransientresponsecapability,Activevoltageregulatorbasedonnovelsynchronizationmethodforunbalanceandfluctuationcompensation,
简介:1MHzmulti-resonantpush-pull48VVRM;AFREQUENCYANDVOLTAGECONTROLLABLEPOWERSOURCEFORLABORATORYUSE;Ahybridparticleswarmoptimizationfordistributionstateestimation;Alow-complexityhigh-performancedigitalcontrolarchitectureforVoltageRegulatorModules;Alow-voltageregulatorcircuitwithself-biastoimproveaccuracy;Anovelsoft-switched,high-frequency,highefficiency,high-current12Vvoltageregulatorthephase-shiftbuckconvener;
简介:阐述了单周控制用于单相电压交流斩波AC/AC转换器工作原理,并利用Matlab/Simulink软件对并联型转换器Buck电路建模并进行仿真,给出了电阻性负载稳态及突变情况下的仿真结果,证明在原理上是可行的。