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- There are different types of electric motors. 电机的类型各有不同。
- protection of electric motor 电机保护
- This is the basis of electric motors and dynamos respectively. 这两种分别是电动机和发电机的原理。
- Features: Improve the starting capability of electric motor, protect motor against overloading, damp shock, load fluctuation and torsional vibration, and balance and load distribution in case of multimotor drives. 液力偶合器的使用特点:、改善电动机的启动性能,提高电机起动能力。、保护电机及设备,防止电机过载。、平稳起动负载设备,减少设备运行过程中的冲击和震动。、多机并联运行时,协调多机驱动时的负载的平均分配。
- He was lost in the intricacies of a new electric motor. 他全神贯注于一种新式电马达的复杂结构。
- Before long his thoughts were centered on the use of electric motor as driving power, insteadof steam engine. 不久他就产生了用电动机代替蒸汽机来的想法。
- This paper elaborates the software,the hardware and the functions of electric motor CAT system. 本文叙述了电机计算机辅助测试系统硬、软件的组成及系统的特点。
- We have arranged insurance on your consignment of electric motor cars to be shipped in these ten days. 我方已为贵方将在这十天内装船的电动摩托车的托运安排了保险。
- This residual current circuit breaker can solve problems of protection of people electric shock, and has the function of electric fire automatic protection. 该漏电断路器既能解决人身电击保护的问题,又有自动防止电气火灾的功能,推广应用前景广阔。
- State Power Dispatching and Communication Center.Typical Failure Analysis of Relaying Protection of Electric Power System[M].Beijing:China Electric Power Press,2000. [3]国家电力调度通信中心.;电力系统继电保护典型故障分析[M]
- The efficiency of a beam pumping umit system being not high is related to the selection of electric motor and low efficiency of the motor. 游梁式抽油机系统效率不高与电动机的选取和电动机运行效率低有较大关系。
- Job elements in vertical differential protect of electric transformer and protect bound in course of electric transformer are introduced. 介绍了电力变压器纵联差动保护的工作原理和变压器在运行中保护装置的保护范围。
- He's devoted his whole life to the protection of the rare animals. 他终生献身于珍稀动物的保护。
- Experimental results show that the EMD method is effective in obtaining the real curve of transient rotation speed and torque of electric motor. 研究结果表明,该方法能有效地从噪声环境中提取电机的瞬时转速和转矩的真实变化曲线。
- Industry is a heavy user of electric power. 工业需耗费大量的电力。
- GUO Zheng,HE Jia-li.Research of Relay Protection of Threeterminal Power Transmission Lines Using Optical Fiber Channel.Automation of Electric Power Systems,2003,27(10):57-59. [7]郭征;贺家李.;三端线路光纤保护的研究
- Sediment transport may not pump more water or mud. Flooding electric motor cavity should be kept clean-up of sand, the replacement of electric water cavity. 电泵不得输送含沙量较多的水或泥浆。水浸电机应经常清理电机腔内的沙粒,更换电机腔内的清水。
- The ships required the protection of naval and air power. 船只本身需要海军和空军的保护。
- This sewing machine is driven by an electric motor. 这台缝纫机是靠电动机启动的。
- A lot of electric lamps illumined the stage. 舞台由许多电灯照亮。