分布式变频多系统水力平衡控制策略  

Distributed Variable Frequency Multi-system Hydraulic Balance Control Strategy

作　　者：郝景阳 

机构地区：[1]北京祥远通达科技有限公司,北京100072

出　　处：《工业控制计算机》2024年第9期163-164,共2页Industrial Control Computer

摘　　要：热力公司为确保一次管网远端换热站供水压力、协调各换热站间水力平衡、有效节约水循环动力能源,通常采用分布式变频控制一次管网。因住宅小区的规模越来越大、高层建筑越来越多等情况,部分换热站采用多系统换热方式以降低成本。一次网采用分布式变频控制的多系统水力平衡问题成为了控制难点:一次侧变频控制与二次侧温控调节阀控制相互独立,相互间引起的变量扰动影响水力平衡的准确调节,产生控制震荡。针对这种特殊工况介绍了一种分布式变频多系统水力平衡控制策略。In order to ensure the water supply pressure of the heat exchange station at the far end of the primary pipe network,coordinate the water balance among the heat exchange stations,and effectively save the power energy of water cycle,the thermal power company usually adopts distributed frequency conversion control of the primary pipe network.Due to the increasing size of residential areas and the increasing number of high-rise buildings,some heat exchange stations adopt multi-system heat exchange to reduce costs.The hydraulic balance of multiple systems in the primary network with distributed frequency conversion control has become a control difficulty:the primary side frequency conversion control and the secondary side temperature control regulating valve control are independent of each other,and the variable disturbance caused by each other affects the accurate adjustment of hydraulic balance,resulting in the control shock.In this paper,a hydraulic balance control strategy for distributed variable frequency multi-system is proposed.

关 键 词：分布式变频 多系统控制 水力平衡 控制策略 

分 类 号：TU995[建筑科学—供热、供燃气、通风及空调工程]