vector power factor
英 [ˈvektə(r) ˈpaʊə(r) ˈfæktə(r)]
美 [ˈvektər ˈpaʊər ˈfæktər]
网络 向量功率因数
双语例句
- In the IGBT converter, control system, Power factor and PWM vector control technology is adopted, it is to ensure the power factor of the power supply to be1.
大容量IGBT整流器采用三电平PWM控制，应用调整载波相位配合等技术有效降低了谐波对电网的影响；采用高功率因数矢量控制技术，保证了网侧输入功率因数达到1。 - The nonlinear decoupled control, MPPT technology, space vector PWM control, current tracking method are adopted in system, it can adjust power factor on grid, and have wide voltager.
系统采用非线性解耦控制策略及最大功率寻优、空间矢量PWM控制，进行电流跟踪，可调节电网功率因数，且电压适应范围宽。 - According to this relationship, vector control system with energy-saving based on constant power factor was formed.
通过此关系，设计了基于恒功率因数的节能型异步电动机矢量控制系统。 - Vector control of inverter allowed power factor regulation of the windmill.
对网侧逆变器采用矢量控制来调节风电系统的功率因数。 - This control strategy, which employs simultaneous output-voltage and input-current space vector modulation, can regulate the input/ output sinusoidal waveforms of matrix converter with unity input power factor and ensure the good drive performance of induction motor.
空间矢量调制采用输出线电压和输入电流矢量同步调节的控制策略，能实现矩阵式变换器输入输出波形良好的正弦和功率因数为1，并能确保感应电机良好工作。 - No matter vector control system or direct torque control system, dual-PWM transducer can make both input current close to sine wave, high power factor and high efficiency, it is the trend of high voltage and great power inverter.
结果表明，双PWM变频器无论是在矢量控制系统还是直接转矩控制系统，均可使输入电流接近正弦波，功率因数高，效率高，是高压大容量变频器的发展方向。 - This paper introduces the design of doubly-fed system according to the characteristics of induction motor and pump. Cycloconverter and vector model of stator flux orientation were used to enable speed and power factor control. This system has been experimented in pumping station.
本文介绍了针对泵站电机和水泵特性的双馈调速系统设计，系统采用按定子磁链定向的矢量控制技术和交-交变频器实现电机转速和功率因数控制，并在泵站现场进行了试验运行。 - By analyzing the basic principle of Voltage Space Vector PWM, a method is proposed to choose the zero vectors dynamically according to the power factor angle of the load and the concept of the lag angle of non-switching sectors.
在分析了空间矢量PWM基本原理的基础上，提出了一种根据负荷功率因数角动态分配零矢量的方法，并引入了不开关扇区滞后角的概念。 - The test shows that the vector control speed system has low inverter power, high power factor, perfect dynamic performance, wide speed range. It suits the variable speed system of fan machine and pump and has good prospect on industry application.
试验证明调速系统具有变频器功率小、功率因数高、动态性能好、调速范围广等优点，适用于风机、泵类负载的调速，有良好的工业应用前景。 - Study on Voltage Vector Optimum Control Tactics about High Power Factor Converter Based on Current Predicted Tracking Control
基于电流预测的高功率因数变流器电压矢量优化控制策略的研究 - It predigests the arithmetic process with the input voltage space vector orientation, and complex the demanded reference voltage combined the direct current control method to trace current signal, which can improve integral performance of rectifier and realize unity input power factor.
该算法采用输入电压空间矢量定向，合成所需参考电压，结合直接电流控制的方法进行电流跟踪控制，提高了整流器的整体性能，实现了单位功率因数整流。 - Fast Algorithm for Space Vector PWM in Three Phase Power Factor Correction Applications
应用于三相功率因数校正的空间矢量快速算法 - This paper discusses a new control tactics of the converter which adopt voltage vector optimum control tactics by predicting the current of high power factor converter.
通过对高功率因数变流器网侧指令和实际电流的预测，提出了一种采用变流器电压矢量优化控制策略的电流跟踪新方案。 - In this subjects, seven-segment type Space vector algorithm is used, this method not only makes the network of side current sinusoidal, adjusts the power factor and improves energy utilization, but also reduces the software program, improves the speed of operation.
设计中，利用七段式空间矢量算法，不仅使网侧电流正弦化，功率因数可调整，提高了电能的利用率，而且减少了软件程序，提高了运算速度。 - And then using the AC side power voltage oriented vector control to achieve the adjustable of power factor, active power and reactive power decoupling of grid-side are better at controlling.
接着交流侧采用电网电压定向矢量控制实现功率因数可调，并且逆变并网的有功功率和无功功率的解耦得到较好的控制。 - In the basis of theory analysis, the maximum voltage transfer ratio is 0.866, when adopting dual-voltage space vector method and input power factor is 1, which restricts its application need voltage transfer ratio being 1 for example motor transmission.
根据理论分析，采用双电压空间矢量调制方法，且当输入功率因数为1时，电压传输比理论上的最大值为0.866，从而在电机传动系统等需要电压传输比为1的应用场合受到限制。 - The grid-side converter adopts grid voltage oriented vector control to realize DC voltage stability and grid-side unity power factor control.
网侧变换器采用电网电压定向的矢量控制，实现直流电压的稳定及网侧的单位功率因数控制。 - Results of simulation indicate that the method to build three switching vector tables is right, current of system in AC-side is stabile, sinusoidal is well, DC-voltage is stabile, dynamic response is fast and power factor is high.
仿真结果表明三种开关矢量表建立方法正确；系统网侧电流稳定、正弦度好，直流电压稳定、响应快，功率因数高。 - Then it sets up the model for safety assessment of power supply enterprises based on the principal component analysis and support vector machine, which is on the foundation of the power supply enterprises 'characteristic in the little data and much influence factor.
并根据我国供电企业安全性评价数据较少和影响因素较多的特点，建立了基于主成分分析和支持向量机的安全性评价模型。