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- This control method was applied to a three phase AC/DC/AC conversion system. 该控制思想在三相AC/DC/AC系统中进行了实验验证。
- It fundamentally realizes the zero-current-break control for three phase contact system. 基本实现同步分断(三相电流过零分断)。
- This paper proposes a control method for the three phase three wire VSR under the unbalanced system. 三相电网不平衡时,电压会存在负序分量。
- A new circuit is introduced which consists of EPROM and can generate a six channel trigger pulse required by the conversion system of three phase fully controlled bridge. 介绍一种用EPROM芯片构成能产生三相全控桥变流装置所需六路触发脉冲的新型电路。
- Note 1 Single display the three phase total active power. 注1:单屏显示三相总有功功率。
- Three phase wiring saves 50% of power compared with one-phase. 三相电源比单相电源可省电逾50%25之多。
- A rotating disc electrode system was designed to recover Cd and the current efficiency was over 90%. 设计出新型旋转圆盘电极体系回收金属镉,电流效率达到90%25以上。
- The character of the data acquisition chip ADu C812 is discussed in this article and a three phase electric metering system based on ADu C812 is given. 介绍了数据采集系统芯片 ADu C812的特点 ,并给出了用该芯片实现三相电能测量系统的设计。
- Figure 7 Synthetic galvanic cell model of a welded joint as multiple electrode system. 图7焊接接头作为一个多电极体系的原电池组合关系。
- It is widely interested how to construct an active power filter to suppress the harmonics in three phase four wire system. 三相四线制系统中如何使用有源电力滤波器来抑制线路中的谐波,这一问题越来越被人们所重视。
- Is the stator three phase line voltage the same? And is it current zero? 定子三相电压是否相等?其电流是否为零?
- The change of equivalent impedence of the electrode system is used to explain the neutral linearity electrolyte change into nonlinearity in PECM. 利用电极体系的等效阻抗的变化来解释脉冲电解中线性电解液非线性化的现象;
- Minsky divided the process into three phases. 明斯基将该过程划分为三阶段。
- 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。
- The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when three phase unbalanced fault occurs in AC system. 当交流系统发生三相不对称故障时,忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
- Liu Ye, Wang Caitang, SuYanminetal.Birefringent effect of three phase optical current transducer system[J].Journal of Xi'an Jiaotong University, 2003, 34(2): 24-27. [7]刘晔;王采堂;苏彦民;等.;三相光学电流互感器的双折射效应研究[J]
- The test results with the needle-plane electrode system under ac voltage at 77 K indicate that the fatigue break in UHMW-PE under mechanical forces during the electrical treeing is a critical factor. 结果表明,机械应力下疲劳强度的劣化是低温电树枝化的重要因素。超高分子量聚乙烯具有低温性能好。
- To analyze the formation of surface discharge on a dielectric plate under positive nanosecond impulse voltage in air,a wire to plane electrode system with a barrier of negative film was used. 采用感光胶片作为阻挡介质的针-板放电系统,解析空气中固体电介质上纳秒正脉冲表面放电的形成过程。
- Graphite-Epoxy Solid Phase Electrode 石墨粉-环氧树脂固态电极