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1.Calculation of Magnetic Field Generated in Ring Core of Secondary Winding by Current in U-Primary Conductor of Current Transformer
电流互感器U形一次导体中的电流在二次绕组环形铁心中产生的磁场计算收藏指正
2.The excitation characteristic of secondary winding of current transformer is the key factor to transformer performance and the quality of secondary winding directly influences that of the quality.
摘要电流互感器二次绕组的励磁特性是决定互感器性能的重要因素,二次绕组品质的好坏直接关系到成品的质量。收藏指正
3.In factories, it can design the simplex winding multiple-speed motors to change the type of winding attachment about the current single speed motors.
在工厂中,通过对现有的单速电机进行绕组改绕来设计单绕组多速电机。收藏指正
4.In accordance with the driving characteristics of AC driving locomotive,the working status of its traction transformer is analysed.The questions that should be considered in the traction transformer design of AC driving locomotive are mentioned.These questions are the large short-circuit impedance of traction winding,higher harmonic current,over-excitation and DC magnetization caused by large variation of the network voltage,etc.Some disposal methods are given.
针对交流传动电力机车的传动特点,对其中的牵引变压器的工作状态进行了分析,指出交流传动电力机车用牵引变压器设计时需考虑的牵引绕组的短路阻抗大、电流的高次谐波、网压波动大可能引起的过励磁以及直流磁化等问题,同时给出了相应的一些解决方法。收藏指正
5.When wound-rotor induction motor is operated at over speed driven by induction motor and its rotor winding is excited by altemating current with working frequency higer frequency altemating volage can be produced. This princigle is used to form M-G AC generator set with fixed frequency of 150Hz. The penerator set is used to carry out over speed and over voltage texting of YZ, YZR rang motors.
应用异步电机拖动绕线转子异步电机超速运行且其转子绕组如以工频交流励磁产生高频交流电的原理,组成150Hz固定频率M-G交流发电机组,进行YZ、YZR系列电机超速及升高电压试验。收藏指正
6.The author points out that the different results are caused by the slightly different 100-winding hank number per cocoon. Therefore, propo sals are made for revising the current calculation formula.
文章指出其原因是每粒茧的100回绞数不尽相同所致,从而对现行计算公式提出了修正意见。收藏指正
7.The method to measure secondary current of a furnace transformer from primary winding with cur rent transformer and continuous contract panel is introduced.
介绍了一种利用电流互感器和连续式触点盘从一次侧直接测量电炉变压器二次侧电流的方法。收藏指正
8.The new black dragon 3 powercord provides greater AC current capacitance with the conductor winding twice as large as the silver dragon power cord.
黑龙3电缆提供更强大的交流电负载能力,因为它的导体绕达到了银龙的两倍.收藏指正
9.In this paper a method which computes the ampere winding of main and auxiliary focus coil of the electron gun is introduced. It offers a reliable way to design the coil and control the output current of electric circuit.
介绍了在电子枪设计过程中,主、辅聚焦线圈安匝数的一种计算方法,为设计线圈绕组的匝数和控制电路的输出电流提供了可靠的依据。收藏指正
10.The current transformer is casting by epoxy. The eduction line of the primary winding is on the top. The iron core is piled up and nipped at the casting body.
本型电流互感器为半封闭结构,一次绕组引出线在顶部,铁芯由条形硅钢片叠装而成,并用夹件夹装在浇注体上。收藏指正
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