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针对分布式变频系统实际运行中存在的问题,结合某工程实例,利用软件对设有均压管的分布式变频系统的多种调节过程进行了模拟。分析了单一换热站和管网全部换热站的运行调节水力特性,并指出均压管使得热源侧和用户(换热站)侧具有调节的独立性,以及两侧水力调节的不一致性。指出了该类系统节能运行调节的控制目标。
Aiming at the existing problems in the actual operation of distributed frequency conversion system, a variety of adjustment processes of distributed frequency conversion system with pressure equalizer are simulated by software with some engineering examples. The operation regulation hydraulic characteristics of all heat exchanging stations in a single heat exchanging station and pipe network are analyzed. It is also pointed out that pressure equalizing pipes make the heat source side and user (heat exchanging station) side have the regulation independence and the inconsistency of hydraulic regulation on both sides. Point out the control target that this kind of system adjusts the energy-saving operation.