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- Because the output voltage of PWM inverter is dissymmetry instantly, the common mode voltage appears as a result. 由于PWM变频器的三相输出电压在瞬间并不对称，所以导致电机三相定子绕组的电压矢量和不为零，从而出现共模电压。
- This paper introduces the effects of PWM inverter to induction motor stator winding insulation, then presents the resolution method and problems which need father research. 本文介绍了异步电机在PWM变频器供电时影响其定子绝缘的因素、解决方案，以及有待进一步研究的问题。
- The papers simple discribe the basic structure of the variable speed drive system in electric submergible pump> principle of PWM inverter and the basic structure of IGBT. 对潜油电泵变频调速系统的基本结构、PWM逆变器原理以及IGBT的基本结构进行了简单介绍。
- Methods: The literatures on the dual directional thermoregulation of Guizhi Tang were summarized. 方法:主要对近十年来有关于桂枝汤双向调节体温的文献进行综述。
- Objective: To introduce the advance of the extracted fraction of Guizhi Tang on dual directional thermoregulation in recent years. 目的:综述近年来桂枝汤提取物体温双向调节的研究进展。
- This paper presents a hybrid control scheme based on repetitive control and multiple feedback loop control to improve both the transient and steady-state responses of a single-phase CVCF PWM inverter used in 400Hz medium frequency power supply. 提出一种基于重复控制和多环反馈控制的复合控制方法,该方法可以提高用于400Hz中频电源中的单相恒压恒频PWM逆变器的动态和稳态响应。
- New Switching Strategy for PWM Inverter PWM型逆变器的新型开关对策
- On PWM Inverter Technique with a Vibrato Carrier 颤音载波PWM逆变技术研究
- Conclusion: Guizhi Tang and its extracted fraction indicated a dual direction thermoregulation. 结论:桂枝汤及其提取物对体温具有双向调节作用。
- Harmonic Analysis of PWM Inverter Output Voltage PWM逆变器输出电压的谐波分析
- dual directional liquids detection 双向流体
- A New Control Mode of PWM Inverter for Single-phase Current Source 单相电流型PWM逆变器的一种新的控制方式
- Wang Yi,Li Heming,Shi Xinchun,et al.Harmonic analysis and output filter design for multilevel PWM inverters[J].Proceedings of the CSEE,2003,23(10):78-79(in Chinese). [10]王毅;李和明;石新春;等.;多电平PWM 逆变电路谐波分析与输出滤波器设计[J]
- System Compensation Scheme of PWM Inverter's Dead Band PWM逆变器死区效应的系统补偿方案
- Study of Grid Connected PWM Inverter Used in Wind Energy System 风力发电系统中PWM并网逆变器的研究
- PWM Inverter Output Active Filter and Its Development PWM逆变器输出有源滤波技术及其发展
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- THE PWM INVERTER BASED ON SPACE VECTOR FOR PV WATER PUMPING SYSTEM 基于空间矢量PWM法的光伏水泵变频控制系统
- Circulating type motor bearing current in PWM inverter drives 逆变器驱动电机系统环路型电机轴承电流的研究
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
