约束电力系统单相感应电机空调的网络化控制

S. Ibrahim, M. Hassan, N. Zaffar
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引用次数: 6

摘要

分体式空调(ac)广泛应用于家庭、商业机构和工业设施。基于占空比的滞回控制效率低下,需要在每次启动时为压缩机提供高功率的全启动电流。这在电网薄弱的受限电力系统中尤其需要,因为人们在减载期间依赖备用发电机和UPS来满足电力需求。在基于直流压缩机(如永磁无刷直流电机(PMBLDCM)和三相感应电机)的分体式交流电机的能耗优化方面已经做了一些工作,但在基于单相永磁分体式电容感应电机(SPPSCIM)的分体式交流电机的运行优化和能效方面做的工作有限。本文提出了一种基于网络的变频驱动(VFD),以优化约束能源系统的运行,提高能源效率和负载驱动能力。网络操作模式允许通过楼宇管理系统(BMS)将现有的独立单元安装基础与组织中的中央控制基础设施集成。该驱动器的设计,并测试了2.3千瓦三菱电机分体式空调与SPPSCIM。给出了通过Wi-Fi网络控制实现的VFD的结果,以验证速度驱动器的有效性和网络操作所带来的增强能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Networked control of single-phase induction motor air conditioners for constrained power systems
Split-Type Air Conditioners (ACs) are extensively used in households, commercial organizations and industrial setups. The duty-cycle based hysteretic control is inefficient and requires high power provisioning of full startup current for the compressor at each turn-on. This is especially demanding in constrained power systems with weak grids where people are dependent on backup generators and UPS for power needs during load-shedding. Some work has been done on optimizing energy consumption of Split-type ACs based on DC Compressors e.g. permanent magnet brushless DC motors (PMBLDCM) and three-phase induction machines but limited work has been done on operational optimization and energy efficiency of Split-type ACs based on single phase permanent split capacitor induction motors (SPPSCIM). This paper presents a networked Variable Frequency Drive (VFD) for these ACs to optimize operation, enhance energy efficiency and increase load drive capability of constrained energy systems. The network mode of operation allows existing installed base of standalone units to be integrated with central control infrastructure in an organization through Building Management Systems (BMS). The drive is designed, and tested on a 2.3kW Mitsubishi Electric Split-type air conditioner with SPPSCIM. The results of implemented VFD with networked control over Wi-Fi are presented to validate the effectiveness of the speed drive and the enhanced capability enabled by networked operation.
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