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针对以往电负载系统功率小、自动化程度不高的问题,提出了基于虚拟仪器的蒸发式电负载系统设计。整个系统由控制子系统、补排水子系统、负载子系统和换热子系统组成,上位机以LabWin-dows/CVI虚拟仪器技术实现人机交互、控制和通信,下位机由PLC完成控制指令接收和执行。
Aiming at the problem of low power and low degree of automation in the past, the design of evaporative electric load system based on virtual instrument was proposed. The whole system consists of control subsystem, make-up water subsystem, load subsystem and heat exchange subsystem. The host computer realizes human-computer interaction, control and communication with LabWin-dows / CVI virtual instrument technology. And execute.