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The Integrated Intelligent Control and Simulation of AC Contator

机译：交流电压缩机的集成智能控制与仿真

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This paper introduces integrated control technology into the intelligent control for AC contactor.Buck-Boost circuit is transformed to design an intelligent control module for AC contactor.Pulse skip modulation (PSM) mode is applied in the module.With the smart power IC as the core of hardware circuit, it has the function of overload protection and short circuit protection.What's more, the control idea of closed-loop feedback switching from voltage loop to current loop is proposed.Therefore the AC contactor can start with voltage loop and keep with current loop automatically in one circle topology without microcontroller.It's a natural transition process without overvoltage.The module works without auxiliary power supply and microcontroller, compared with the conventional scheme.The module features small volume of hardware, low power consumption, less active components and high degree of integration.In addition, the simulation model of AC contactor with control is built.The control circuitry is designed in Multisim and the dynamic model of contactor based on magnetic circuit method is designed in LabVIEW.Connecting LabVIEW with Multisim it realizes co-simulation of dynamic model and control module of contactor.This paper analyzes the principle of control circuit and property of contactor, considering the inductance changing of circuitry.The experiments are performed to verify control module.
机译：本文将集成控制技术引入交流接触器的智能控制中，对降压-升压电路进行了改造，设计了交流接触器的智能控制模块，并在模块中采用了脉冲跳跃调制（PSM）模式，以智能功率IC为基础。硬件电路的核心部分具有过载保护和短路保护的功能。此外，提出了闭环反馈从电压环路切换到电流环路的控制思想，因此交流接触器可以从电压环路开始并保持同步。电流循环自动在没有微控制器的情况下在一个环形拓扑中进行。这是一个自然的过渡过程，没有过压;与传统方案相比，该模块无需辅助电源和微控制器即可工作;该模块具有硬件体积小，功耗低，活动部件少以及建立了带控制的交流接触器仿真模型。在Multisim中设计了电路，在LabVIEW中设计了基于磁路法的接触器动态模型。将LabVIEW与Multisim相结合，实现了接触器动态模型与控制模块的共同仿真。接触器，考虑到电路的电感变化。进行实验以验证控制模块。

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