您要查找的是不是:
- 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。
- 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。
- Kiely J H,Nouri H.Development of an application specific integrated circuit for reduction of contact bounces in three phase contactors[J].IEEE 2000:2321-328. 荣命哲;娄建勇;王小花.;永磁式接触器动触头动作特性仿真分析与试验研究[J]
- It can generate a steady 380 V three phase alternating current through an AVR circuit, and can drive heavy electric tools such as polisher, air compressor and so on. 采用三次谐波励磁的同步发电机,通过AVR电路产生稳定的380V三相交流电,可以带动打磨机、空气压缩机等功率较大的电动工具;
- 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?
- three phase unbalance 三相不平衡
- Minsky divided the process into three phases. 明斯基将该过程划分为三阶段。
- 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。
- Using the knowledge of single chip processor and integrated circuit to control CMOS chip RTL8019AS of network card,this paper successfully realizes ETHERNET communication about three phase electromotor. 本文利用廉价的功能强大的MCS51单片机,应用集成电路设计以及单片机控制的各种知识,通过对网卡芯片RTL8019AS的控制,实现了三相电动机智能保护器的以太网通信。
- 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。
- Finally, an expert system is proposed to establish the rephasing strategy of laterals and distribution transformers to improve the imbalance of the three phases of the unbalanced distribution feeders. 本论文以具有启示性规则之专家系统,推导分歧线及配电变压器之相位调整策略,以改善配电馈线三相不平衡。
- The Circuit Loss Rate Analysis of Three-Phase Unbalanced Circuit 三相不平衡线路的线损分析
- The main circuit topology of three phase DVR is analyzed,the design method of the parameters of the main circuit is presented and different ways of transformer winding connection are compared. 针对以往研究的三相动态电压恢复器,提出基于三相电压型逆变电路的动态电压恢复器,并分析其主电路拓扑,提出主电路几项参数的设计方法,同时对比不同变压器接法对参数和电路性能的影响。
- Eventing is an equestrian sport consisting of three phases. 综合全能马术赛,包括三个阶段,第一,越野比赛。
- Will be conducted in three phases aquaculture breeding project. 公司将分三期进行养殖繁育工程建设。
- Steam, water and ice constitute the three phases of one substance. 水蒸汽、水和冰是同一物质的气体、液体、固体三个相态。
- A three phase symmetry AC winding is used as control winding of the inner stator, a car including ring-like PM rotor as correcting weight. 以三相对称交流绕组作为内定子控制绕组,包括环形磁钢永磁转子的小车作为校正质量。