The Optimum Selection of Mine Fan by Computer and the Design of QBASIC Program;
矿井扇风机计算机优选及其QBASIC程序设计
Introduced the large coal mine main fan and its variable frequency synchronous motor technology program,its large-capacity high-pressure equipment,all-digital converter of the principle of vector control have been discussed in greater detail;the effect of its operation a comprehensive analysis and general evaluation.
介绍了铁煤集团大兴煤矿主扇风机及其同步电动机的变频技术改造方案,对其装备的大容量高压变频器的全数字化矢量控制原理进行了较详尽的论述;对其运行效果进行了全面分析和概括性评价。
In view of the problems occurred in the daily electric maintenance of main fans introduced from France and by analyzing the reasons,the improved and preventive measures are carried out,thus effectively guaranteeing safety running of main fans.
针对东滩煤矿引进法国主扇风机在电气日常维护中暴露的问题,通过分析原因,实施了改进和预防措施,从而有效地保证了主扇风机安全可靠地运行。
This paper introduces the functions of the excitation device in the normal operation of the main fan,and connecting with the actual situation,makes the technical analysis on the faults often occurring in the excitation devices.
介绍了励磁装置在主扇风机正常运转中的作用,结合工作中的实际情况,对励磁装置经常出现的故障进行了技术分析。
To analyze the effect on the others after adjusting the performance of a certain fan when multiple-set main fan unitedly work at the same time,point out the performance changing rules.
论述了多台主扇风机联合运转时 ,其中某台风机性能调节后对其余风机性能的影响 ,指出了调节时风机性能变化规
Study on window type air conditioner s fan motor designnoise and amound of refrigeration in air conditioner;
窗式空调风扇电机设计与空调器噪音和制冷量的研究
marine flame proof axial flow ventilator
船用防爆轴流式扇风机
mine fan signal system
矿山扇风机信号系统
The Technique Reconstruction About 2K-60 Main Fan Of Air Blower In Mine;
矿井2K-60主扇风机的技术改造
ducted-fan (jet) engine
导管风扇式喷气发动机
impeller for fans, gas pumps or compressors
风扇、气泵或压缩机叶轮
Numerical Analysis on Matching between Internal and External Bypass and Fan of Aero-engine;
涡扇发动机风扇及内外涵道匹配的数值分析
Field Repairing Technology of Fan Blades for a Turofan Engine
某型涡扇发动机风扇叶片外场抢修技术研究
fan for wind-tunnels, whether or not fitted with an integral motor
风洞用风扇,无论是否装有积分电机
centrifuges and filtering apparatus
装有风扇的通风或空气循环机
An airplane with such an engine.
由涡轮风扇发动机提供动力的飞机
a belt driven by the crankshaft that drives a fan that pulls air through the radiator.
受机轴控制驱动风扇使风扇在散热器里拖拉空气的带子。
roof fan with a self-contained electric motor of an output not exceeding 125w
层顶风扇,自备电机输了功率不超过125w
fan with a self-contained electric motor exceeding 125
风扇,自备电机输出功率超过125w
room fan with a self-contained electric motor of an output not exceeding 125w
室内风扇,自备电机输出功率不超过125w
fan, window, with a self-contained electric motor of an output not exceeding 125w
窗式风扇,自备电机输出功率不超过125w
table fan with a self-contained electric motor of an output not exceeding 125w
台式风扇,自备电机输出功率不超过125w
floor fan with a self-contained electric motor of an output not exceeding 125w
落地风扇,自备电机输出功率不超过125w
wall fan with a self-contained electric motor of an output not exceeding 125w
壁式风扇,自备电机输出功率不超过125w