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- A momentary voltage dip that lasts for a few seconds or less is classified as a voltage sag. 短时电压跌落持续几秒或更短可归属电压下跌。
- This paper develops a theoreticalanalysis of the dynamic behavior of the induction machineduring three-phase voltage dips. 本文对感应发电机在三相电压骤降时的动力特性进行了理论分析。
- The prototype of 380V/100kVA DVR can satisfy the design specification by simulating voltage dip when system was fault. 通过仿真系统故障时电压跌落,了解380V/100kVA动态电压调节器样机能够满足设计要求。
- According to the features of various voltage dips (sags), this paper presents a method for classifying them by applying time-frequency representation, known as S-transform (ST). 本文在分析各种原因引起的电压凹陷特征的基础上,结合时频分析工具S变换,提出了一种对其进行分类的方法。
- Active power filter (APF) and dynamic voltage restorer (DVR) can effectively compensate harmonic components and voltage dip respectively. 有源滤波器和动态电压恢复器分别是解决谐波污染和补偿电能质量扰动(特别是电压跌落)的有效手段。
- When source converter is cascaded with CPL, step load performance remains unaffected by constraining its output voltage dip value. 通过限制阶跃负载所导致的电压跌落的大小可以确保变换器级联后阶跃负载动态性能不受影响。
- The superconducting fault current limiter (SFCL) can limit current and realize to control the voltage dip in non-faulted line. 超导故障限流器可以在限流的同时实现控制非故障线路电压跌落的目的。
- On the basis of the test about air conditioner, its load characteristics are analyzed, including the static characteristics, drop out characteristics, starting characteristics and its responses to voltage dips. 进行空调试验,分析其负荷特性,其中包括静特性、停机特性、启动特性以及电压扰动特性。
- Then the novel SDPQD detection and classification method based on complex wavelet and S-transform respectively is proposed, and the S-transform-based expert system for voltage dips (sags) classification is presented. 在此基础上,分别提出了基于复小波变换的短时电能质量扰动检测方法,基于S变换的扰动分类识别方法和电压凹陷分类分析专家系统。
- The main contents of power energy include frequency deviation, voltage deviation, voltage fluctuation and flicker, voltage unbalance, temporary or transient over-voltage, wave distortion, voltage dips and interruption, power supply reliability and so on. 电能质量的内容包括频率偏差、电压偏差、电压波动与闪变、三相不平衡、暂时或瞬时过电压、波形畸变、电压暂降与短时中断以及供电连续性等。
- The operation principle and control strategies of the APF and the DVR are introduced. Digital simulations are employed to validate the feasibility and validity of the harmonics detection method and voltage dip detection method by using MATLAB/SIMULINK. 在详细介绍有源滤波器的基本原理、类型和控制策略以及动态电压恢复器的基本原理与补偿方式的基础上,将上述基于数学形态学的检测方法分别应用于谐波和电压跌落补偿,仿真结果表明上述检测方法正确有效。
- AC mains power ports voltage dips and interruptions 交流电源端口电压暂降和短时中断抗扰度
- Detection Methods of Voltage Dip in Power Systems 电力系统中电压暂降的检测方法
- VOLTAGE DIP IN POWER SUPPLY NETWORK 供电系统的电压下凹
- The land dips sharply to the south. 那块地向南急速倾斜。
- VOLTAGE DIP ANALYSIS WITH EEAC METHOD 电力系统电压最大跌落的EEAC法分析
- The sun dips into the sea each evening. 每天黄昏时,太阳似乎突然沉进大海。
- On a hot day a dip in the sea is sheer paradise. 热天洗个海水澡是十分令人惬意的事。
- The land dips gently to the south. 地面缓缓向南倾斜。
- Analysis and Suggestions of Voltage Dips in Quanzhou Power Network 泉州地区电网电压骤降的分析及建议
