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- Note: The shell dimension of single phase product is identical to three phase product. 说明:单相产品和三相产品外壳尺寸相同。
- KDF series have two kinds of products, direct drive type and belt drive type.Can choose three phase and single phase motors for direct drive type. KDF系列有直联传动和皮带传动二种，直联传动根据需要可配用三相和单相电机。
- For pipe net system, constant wattage three phase type cables are suitable, if pipes are shorter, constant wattage single phase type cables are suitable. 对长输管线，一般选用串联带；对管网系统则可选用恒功率三相带，如果管线较短，可选用恒功率单相带。
- Choose the cable type according to power supply condition and power net load ,decide if use parallel connection or series connection type cables, single phase or three phase type cables. 根据供电条件、电网负荷及电伴热带使用长度等因素来选择电伴热带的型式、电压等级，以便确定是用并联式还是串联式?
- P.Zhon, S.Stanton, and Z.J.Cendes, “Dynamic modeling of three phase and single phase induction motors,” International Conference on Electric Machines and Drives, May 1999, pp. 556-558. 陈赐恭，单相感应电动机与单相感应马达之特性分析，国立成功大学电机工程研究所硕士论文，民国91年6月。
- The single earth-fault in three phase network earthed neutral is called as single phase short circuit, and that in three phase network insulated to earth is called as leakage fault. 同样是三相电网的“单相接地”，发生于中性点直接接地系统称“单相短路”故障，而发生于中性点绝缘系统叫“接地漏电”故障。
- Keywords: wavalet analysis, BP nervous network, small electric current ground systems, fault location,single phase to earth. 关键词：小波变换；BP神经网络；小电流接地系统；故障定位；单相接地
- A new approach to single phase to ground fault section location based on transient signals in a non-solidly earthed network is presented. 提出一种适用于配电系统架空线路的小电流接地故障区段定位新方法。
- FU Zhou-xing, WAN Geng.Methods of Fault Line Selection for Single Phase to Earth Fault in Networks with Ungrounded Neutral[J].Low Voltage Apparatus,2002,(3):43-47. [2]傅周兴;万耕.;小电流接地系统单相接地故障选线方法[J]
- When producing the rare earths Fe-Cr-Al alloy by electroslag remelting method, the optimum quantity of rare earths added to three phase lining electroslag furnace is 0.5%. 电渣双联法生产稀土铁铬铝合金时;稀土在三相有衬电渣炉中的最佳加入量为0.;5%25。
- The man was sentenced to three years in prison. 他被判三年监禁。
- Exploiting focus peculiarity of wavelet with excellent time frequency zoom character, this paper proposes a new method for identifying the fault line when there occurs a single phase to ground fault in a distribution system. 应用小波变换在时频特性上的良好聚焦性能,提出一种用于小电流接地系统中的接地故障实时选线的新方法。
- The audience approximated to three hundred. 听众近300人。
- The time I spend in commuting every day adds up to three hours. 我每天上下班乘车花费的时间加起来有3个小时。
- This paper analyses the reason that neutral current is not zero when linear three phase system load connects to three phase four wire system source in Y connection. The resolution is also given. 分析了线性三相对称负载Y联接在对称三相四线制电源时 ;中线电流不为零的原因 ;并给出了解决的方法 .
- To ensure that a single phase commit is performed. 以确保执行单阶段提交。
- The construction of socialist new rural areas must also adhere to three phases,five key points & six principles. 新农村建设要坚持三个阶段、五个重点、六项原则。
- single phase to ground via resistance 单相经电阻接地
- Her latest novel has already run to three impressions. 她最近出版的一部小说已经印行三次了。
- I shall limit myself to three aspects of the subject. 我仅探讨这一问题的三个方面。
