采煤机的负载特性及变频调速实践  

Load Characteristics of Shearer and Practice of Frequency Conversion Speed Regulation

作　　者：闫建宙[1] Yan Jianzhou(Shanxi Xiangning Coking Coal Group Co.,Ltd.,Linfen Shanxi 042100)

机构地区：[1]山西乡宁焦煤集团有限责任公司,山西临汾042100

出　　处：《机械管理开发》2018年第6期70-71,共2页Mechanical Management and Development

摘　　要：对现阶段普遍使用的交流电牵引采煤机的负载特性进行了分析,建立采煤机的力学模型与控制模型,并应用MATLAB/SIMULINK工具对采煤机参数进行仿真与分析,包含牵引力、功率以及速度随时间变化的规律。分析结果显示:当采煤机处于稳定工作状态时,保持着相对的动态平衡。表明恒功率调速系统发挥了能保证采煤机始终满足负载要求功率的作用。This paper analyzes the load characteristics of AC traction shearer which is widely used at present,establishes the mechanical model and control model of shearer, and uses MATLAB/SIMULINK tool to simulate and analyze the parameters of shearer, including tractive force. The law of the change of power and speed with time is studied.The results show that when the shearer is in a steady state, it maintains a relative dynamic balance. It shows that the constant power speed regulation system can ensure that the shearer can always meet the load power.

关 键 词：采煤机 负载特性 恒功率调速 系统仿真 

分 类 号：TD421.6[矿业工程—矿山机电]