变频器是电牵引采煤机的核心部件。
The frequency transformer is a key part of shearer loader with electrical haulage.
根据电牵引采煤机的使用情况，提出了采煤机使用制动单元的必要性。
According to working condition of the electric haulage shearer, this article points out the necessity of using braking unit.
结合电牵引采煤机破碎机构行星齿轮传动原理，应用数学规划理论进行机械优化设计。
Couple transmission principle of electric haulage shearer breaking mechanism planet_gear use maths program theory for optimization of mechanical design.
分析大倾角电牵引采煤机液压制动器频繁抱闸的原因，提出的解决方案实用效果良好。
This paper analyses the reasons of frequent abnormal braking on shearer and gives ideas for solving problem which has well effect in practice.
提出了基于单片微型计算机MC 68hc05 B6的电磁调速电牵引采煤机牵引调速装置。
The paper introduced the haulage speed regulating device of the electric magnetic speed regulating electric haulage coal shearer with MC68HC05B6 microcomputer.
针对采煤机控制存在的时变、非线性、不确定等特点，将模糊控制策略应用到电牵引采煤机调速系统中。
Fuzzy control was applied to speed regulation system of electrical haulage shearer directed at the characteristics of time-varying, nonlinear and uncertainty.
MGTY-300/710电牵引采煤机采用了变频调速与直接转矩控制技术，是一种新型的电牵引采煤机。
MGTY-300/710 D. C. electricity-powered shearer is a new type shearer, which a frequency converter and direct torque control are employed.
论述MG250/591-WD电牵引采煤机截割电机恒功率控制系统，确保截割电机始终工作在额定功率附近。
The exposition about MG250/591-WD electric haulage shearer cutting motor constant-power control system guarantees the cutting motor to operate throughout nearby the rated power.
系统地介绍了电磁调速电牵引采煤机计算机控制调速系统的构成和制动运行方式，并对电磁调速采煤机的特点进行分析。
Systematically introduce a mining machine draw by electricity and its speed governed by system and way of brake by computers in a mining machine whose speed is governed by electromagnetism.
对MG250/300-NWD型电牵引短壁采煤机，在大同进行工业性试验期间出现装煤效果差的原因进行分析，并提出改进建议。
The paper analyses poor loading effects of MG250/300-NWD electric-driven short-wall shearer during its testing period in Datong and puts forward the recommendations of improvement.
型是第一台全部采用国产元部件的电牵引滚筒采煤机。
The Type MG(?) 2-D electric-traction drum shearer was the first one manufactured completely in home-produced parts. Thed.
型是第一台全部采用国产元部件的电牵引滚筒采煤机。
The Type MG(?)2-D electric-traction drum shearer was the first one manufactured completely in home-produced parts.
型是第一台全部采用国产元部件的电牵引滚筒采煤机。
The Type MG(?)2-D electric-traction drum shearer was the first one manufactured completely in home-produced parts.
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