可再生能源26节能ENERGYCONSERVATIONNO.012023槽式太阳能光热供暖系统的设计及应用王奔石祥建宋诚骁蔡丹仇孝国刘文赵阳（南京南瑞继保电气有限公司，江苏南京211102）摘要：为了充分利用太阳能资源进行集中供暖，设计槽式太阳能光热供暖系统。根据太阳轨迹算法，基于自主可编程逻辑控制器(PLC)，通过自定义嵌入式编程实现高精度太阳位置算法的工程应用；提出集热槽对太阳位置自动跟踪策略，设计考虑多模块切换与边界条件的间歇控制策略驱动直流电机旋转，并配合蜗轮减速器实现多轴同步驱动系统对太阳位置的闭环追踪控制；充分考虑外界环境条件，设计了保护策略。结果显示：槽式太阳能光热供暖系统运行稳定、操作简单、维护方便，在清洁能源的分布式供暖领域具推广价值。关键词：光热供暖系统；太阳位置追踪；清洁能源；集热槽中图分类号：TU832文献标识码：A文章编号：1004-7948（2023）01-0026-04doi：10.3969/j.issn.1004-7948.2023.01.007DesignandapplicationoftroughsolarthermalheatingsystemWANGBenSHIXiang-jianSONGCheng-xiaoCAIDanQIUXiao-guoLIUWenZHAOYangAbstract：Atroughsolarthermalheatingsystemisdesignedtomakefulluseofsolarenergyresourcesforcentralheating.Thesun-trackingalgorithmisstudiedindetail.Theengineeringapplicationofhigh-precisionsunpositionalgorithmisrealizedbyself-definedembeddedprogrammingbasedonPLC.Anautomatictrackingstrategyforthesunpositionofthecollectorisproposed.Anintermittentcontrolstrategywhichconsideringmulti-modeswitchingandboundaryconditionsisdesignedtodrivetheDCmotortorotate,andtheclosed-looptrackingcontrolofthemultiaxissynchronousdrivesystemisrealizedwithwormandgearreducer.Takingfullaccountoftheexternalenvironmentalconditions,theprotectionstrategyisdesigned.Theresultshowsthatthetroughsolarthermalheatingsystemhastheadvantagesofstabilityandconveniences,whichhaspopularizationvalueinthefieldofcleanenergydistributedheating.Keywords:photothermalheatingsystem;sun-tracking;cleanenergy;parabolictrough能源消耗量快速升高促进了清洁可再生能源需求的增长[1-2]。实现碳达峰和碳中和对加快生态文明建设、保障能源安全高效、推动经济转型升级具有重要意义。“双碳”目标确立使清洁能源行业加速步入全新的发展时期[3-4]。太阳能属于清洁、可...
