矿山高压电动机在短时过载下的转速不稳定分析  

Instability Analysis of the Rev of High-voltage Electromotor at Short-term Overload

作　　者：郭辉[1] 吾布里.阿依丁 赵德群[2] 

机构地区：[1]新疆工业高等专科学校电气与信息工程系,新疆乌鲁木齐830091 [2]新疆工业高等专科学校科研处,新疆乌鲁木齐830091

出　　处：《煤矿机电》2009年第3期40-42,共3页Colliery Mechanical & Electrical Technology

基　　金：新疆维吾尔自治区高校科研计划科学研究重点项目(编号:XJEDU2005I24)

摘　　要：通过分析电动机电磁转矩的数学模型,推导出电动机在短时过载的电磁转矩的基本表达式,研究分析了电机在过载状态时电磁转矩的规律,指出了电动机转速不稳定的原因,提出了高压电动机在短时过载情况下稳定运行的思路与基本解决方法。By analyzing the mathematical model of electromagnetic torque, the basic expressions of electromagnetic torque of electromotor at short-term are deduced out, and the law of electromagnetic torque at the state of overload motor is studied and analyzed, the instability causes of motor rotative velocity are pointed out, the basic ideas and solutions for stable operation of high-voltage electromotor at short-term overload are put forward.

关 键 词：电动机过载 不稳定性 

分 类 号：TD614.2[矿业工程—矿山机电]