矿井通风机西门子无刷同步机电控系统分析  

Analysis of Siemens Mine Ventilator Brushless Synchronous Motor Electric Control System

作　　者：王清灵[1] 

机构地区：[1]安徽理工大学电气与信息工程学院,安徽淮南232001

出　　处：《安徽理工大学学报（自然科学版）》2010年第3期53-57,共5页Journal of Anhui University of Science and Technology:Natural Science

摘　　要：给出了矿井通风机西门子无刷同步电动机电控系统的硬件设备的结构图和基于功率因数cosφ、励磁电流if双闭环统计系统的控制结构图,分析了在恒功率因数控制时励磁电流随负载变化的调节过程;论述了本电控系统的风机准备启动、定子电源合闸、亚同步投励、停车等控制程序和风机运行参数检测、故障报警、故障保护的程序。本系统具有技术性能好、可靠性与可维性高的显著优点。对从事此类技术工作的人员具有参考意义。Hardware device structure of Siemens mine ventilator brushless synchronous motor electric control system and double close-loop control frame based on power factor cos φ and excitation current if were presented.Adjustment process of excitation current varying with load in time under constant power factor control was analyzed.Control programs about ready for start-up and stator power on and subsynchronous excitation on and off were analyzed.In addition,programs about ventilator operation parameter test,failure alarm and failure protection were analyzed.The paper gives some references to professional technicians.

关 键 词：矿井通风机 无刷同步机 励磁电流 

分 类 号：TM921.5[电气工程—电力电子与电力传动]