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- large power haulage shearer 大功率采煤机
- power haulage shearer 电牵引采煤机
- AM500/4.5H remote control shearer is a large hydranlic chainless haulage shearer,it is designed gy Taiyuan coal machine group company for russian. 4 5H遥控采煤机是太原矿山机器集团公司为俄罗斯设计的一台高型液压无链牵引采煤机。
- 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. 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。
- In both cases large power sources are required. 在两种情况中都需要大功率的射频源。
- Large power of UV lamp enables faster solidifying. 灯管功率大、固化速度快。
- This paper expounds the development history of the drum-type shearer, and analyzes the structure and technical features of electrical haulage shearer. 叙述了滚筒式采煤机的发展过程,分析了电牵引采煤机的结构和技术特征。
- In this paper the development of MG300/720-AWD electrical haulage shearer and its industrial test in Majiliang Coal Mine(Datong) are discussed. 本文介绍MG300/720-AWD型电牵引采煤机的研发过程及其在大同马脊梁矿工业性试验的情况。
- There is a large power station in the middle of the railway. 这条铁路的中心处有家大发电厂。
- With it, not only the technical performance of electrical haulage shearer is satisfied, but also the 1140V/380 transformer can be spared. 介绍一种采用1140V直接供电的开关磁阻电机调速系统,不仅满足电牵引采煤机的技术性能,还可节省机载的1140V/380V变压器,简化结构,提高可靠性。
- Fuzzy control was applied to speed regulation system of electrical haulage shearer directed at the characteristics of time-varying, nonlinear and uncertainty. 摘要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。
- The design theory of driver circuit of large power circulator is discussed. 本文论述了大功率环行器驱动电路的设计理论。
- This paper has a discussion on the dissipated heat, vibration proof and maintenance of variable frequency speed regulating device in AC electrical haulage shearer, and puts forward some basis of design and methods of maintenance. 分析了变频调速装置在交流电牵引采煤机上使用时关于散热、抗震和维护的几个问题 ,并提出一些设计的依据和维护的方法。
- This article summarizes the reasons of common breakdowns in the operation of hydraulic haulage shearer and provides the reliable basis for the trouble diagnosis and elimination of the haulage device. 对煤矿液压牵引采煤机工作中常见故障的原因及处理方法进行了总结,为今后牵引部故障的诊断和排除提供了可靠的依据。
- A considerable amount of electric power is generated every day in large power stations,mostly is A. C. 大电站每天都发出大量的电,大部分是交流电。
- Several small businesses consolidated to form a large powerful company. 几家小企业合并成一家实力雄厚的大公司。
- This machine has been fitted with an electromotor of larger power. 这台机器装配了更大功率的电动机。
- A considerable amount of electric power is generated every day in large power stations, mostly is A. C. 大电站每天都发出大量的电,大部分是交流电。
- The primary exploration of large power transformer PD UHF detection method is discussed. 针对大型电力变压器局部放电超高频检测法进行了初探性的研究。
- shortwall electric haulage shearer 短臂电牵引采煤机