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- Analysis on the Impact of Electric Network Harmonic Wave on the Operation of Electromotor 电网谐波对电动机运行的影响分析
- electric network harmonic wave 电网谐波
- harmonic wave of electric network 电网谐波
- Harmonic Wave of Electric Network in Coal Preparation Plant and Its Harm to Electric Motor 选煤厂电网谐波及其对电机的危害
- Design of the anti - alias filter for the electric network harmonics analysis 用于电网谐波分析的抗混叠滤波器设计
- For the damage of electric network higher harmonic,analyze the cause of higher harmonic measures and propose control higher harmonic measures. 针对电网高次谐波的危害,分析了高次谐波发生的原因,提出了对高次谐波的抑制措施。
- A New Method for Three-Phase Unbalance Electric Network Harmonics and Reactive Power Check 三相不平衡电网谐波及无功检测的新方法
- The junction of more than two conductors in an electric network. 电网络中两个以上导体的连接点。
- The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles. 它运用规则采样法产生正弦脉宽调制波，通过开关角的控制抑制逆变器输出电压中的谐波分量，降低了电动机的损耗和转矩脉动，使电动车的运行性能得到了较大改善。
- Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit. surge and harmonic wave are the main manifestation. 瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。浪涌、谐波为主要的表现形式。
- The influences on electric equipments by harmonic wave were introduced. Combing with the practice harmonic wave elimination and dirty flash preventive measures were briefly introduced. 介绍了谐波对电网中电气设备的影响,结合实际情况简述抑制谐波和预防污闪事故的对策。
- The basic technology of LV electric network control systems was investigated. 探讨了低压电网控制系统的技术基础。
- Examples about Prevention and Cure of the Harmonic Wave Disturb from the Transducer. 变频器谐波干扰防治实例。
- Application of step dynamic compensation and harmonic wave filtering system in Beiman Special Steel Co. 有级动态补偿及谐波滤波系统在北钢的应用。
- The prediction model of harmonic wave analysis includes inclinational item, periodical item and random item. 谐波分析法的预测模型包括趋势项、周期项和随机项；
- GB/T 14549-93,The network harmonics and the quality of public utility[S]. [5]GB/T 14549-93;电能质量公用电网谐波[S].
- Supposition of two vibrations with same frequency and direction, condition generated mechanical wave, dynamic equation of plane harmonic wave. 同方相同频率的两个简谐振动的合成;机械波产生的条件;平面简谐行波的运动学方程。
- The three harmonic wave(355nm) of a Q-switch yttrium-aluminium garner laser is directed into the microscope and focused by the objective. 工作波长355nm是由电子调Q Nd:YAG激光经KDP倍频和混频后得到的.
- In accordance with the familiar configuration for present lighting system,the common harm of harmonic wave and numerical values were showed here. 针对目前灯光系统设计中常见的配置情况,指出常见的谐波危害及相关数值的计算。
- At last the Rural Electric Network Alteration evaluation system is developed using the programming language Delphi. 并利用Delphi语言初步开发了农网改造后评价系统。
