线电压
- 名line voltage
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线电压优化控制方式的研究与应用
Study and Application of Optimal Line Voltage Control
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准谐振PWM控制器的线电压前馈补偿技术
Line Voltage Feed-forward Compensation for Quasi-Resonant PWM Controllers
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FLASH存储器字线电压发生器优化设计
Word-line Voltage Generator Optimization Design for Flash Memory
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基于线电压伏秒平衡的三电平SVM研究
Three-level SVM based on line voltage-second balance
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当三相四桥臂逆变器用于UPS时,要求其中线电压很低。
The neutral voltage of the three-phase four-leg inverter employed in UPS is desired to be very low .
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并对开关状态组合的消谐波PWM方法和锐角朝向组合优化PWM方法下的相电压和线电压进行仿真和频谱分析比较。
The waveform and harmonic of phase voltage and line voltage in switching state combination PWM method and new PWM method are compared and analyzed through simulation .
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线电压补偿型动态电压调节器(DVR)的原理与实现
Principle and Realization of a dynamic voltage regulator ( dvr ) based on line voltage compensating
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其中一类半导体是连接到交流线电压的可控硅(SCR)。
One type of semiconductor is the SCR ( silicon controller rectifier ) which will be connected to the AC line voltage .
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通过对三类PWM方法谐波性能的比较,得出了COPWM-A调制方法输出线电压的谐波性能最优的结论。
Through the comparison among the three methods , the COPWM-A method shows the best harmonic characteristics .
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论文基于非正交KL坐标系多电平SVPWM,提出了一种改进的线电压调制策略,该策略物理意义更加明确,形式更加简洁。
Based on the Non-orthogonal KL coordinator multi-level SVPWM , an improved line voltage modulation method which is more concise and detailed was given .
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论文提出了适合中压配电网使用的线电压补偿型动态电压恢复器(DVR)。
DVR based on the line voltage compensating ( LVC ) is proposed in the present paper , which is suitable to the medium voltage distributing network .
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利用暂态线电压与暂态零模电流的方法可靠性高,可适用于FTU安装有相间电压互感器的情况。
Method using transient line-voltage and transient zero-mode current with a high reliability , can be applied to situation that FTU has the line-voltage transformers .
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本文基于SPWM矩阵变换器提出了一种前馈补偿方案,通过检测线电压包络,对三角波载波进行预调制,使得正弦脉宽调制输出脉冲在宽度上给予补偿。
The feed-forward control scheme based on SPWM matrix converter is proposed . Through premodulation of tri-carrier by measuring envelop of line voltages , each pulse is compensated differently in width of SPWM .
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总结典型基于时域冲量等面积原理的PWM方式,明确提出相电压PWM和线电压PWM的思想。在此基础上,得到一种优化线电压PWM方式。
At first , typical PWM modes based on pulse area equal principle are summarized , PWM modes based on phase voltage and line voltage are definitely proposed , and then an optimized PWM mode based on line voltage is concluded .
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本文在研究2电平逆变器模型及其经典脉宽调制(PWM)方法基础上,提出一种新型的线电压直接脉宽调制(DPWM)方法。
A novel line-to-line voltage direct pulse width modulation method is presented , which is based on the study of the two-level inverter model and classical PWM principle .
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采用常规PWM技术,DVR的补偿能力将十分低下,控制算法非常复杂。为此,提出了一种基于线电压的PWM控制技术,充分利用了逆变器直流侧电压。
To overcome the disadvantages of low voltage compensation capability and complexity control algorithm of DVR , this paper proposes a control technique based on PWM of line voltage , which greatly improves the utilization rate of DC side voltage .
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将矩阵变换器输出线电压进行park变换得到d-q坐标下的直流分量,利用改进的模糊PID控制器跟踪控制输出给定电压的d,q分量。
The output line voltage of MC is converted into two direct current components under the d-q axis by Park transformation . These two components are controlled to track the d , q components of reference voltage by the modified fuzzy PID controller .
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该算法采用以线电压作为中间值的方法对输出电压矢量及其作用时间进行计算,采用大小开关状态相结合的方法对脉冲宽度调制(PWM)脉冲进行输出。
In the algorithm , the line voltages are introduced as the intermediate elements to calculate the voltage vectors and their operating time in a control cycle , with a new PWM pattern used to generate the pulses by alternatively selecting large and small voltage vectors .
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在输入相电流空间矢量调制和输出线电压空间矢量调制的基础上,根据开关函数的瞬时对应关系及其限定条件,综合出MC的PWM控制策略。
The instantaneous corresponding relationship between the switching functions of MC and its equivalent AC DC AC topology with the limiting conditions is deduced , so that the PWM strategy of MC can be synthesized on the basis of space vector modulation of input phase currents and output line voltages .
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介绍了一种线电压脉宽调制技术(LVPWM),分析了其调制原理。
This paper describes a new line voltage pulse width modulation ( LVPWM ) principle and analyzes the modulation theory .
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基于无差拍控制的线电压检测动态电压恢复器
A Deadbeat Control Based Dynamic Voltage Restorer With Line Voltage Detection
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两相电机的线电压控制方式变频调速研究
Study of VVVF with Line-line Voltage Control for Two Phase Induction Motors
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插头线电压降数字测试仪刀锋在线
ONLINE Digital Tester of Voltage Drop for Plugs with Cord
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线电压脉宽调制逆变器供电异步电机性能仿真
Performance Simulation of Line Voltage PWM Inverter Fed Induction Motor
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通常是在满负荷额定线电压下测定的。
This is generally measured under full load at nominal line voltage .
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三相线电压级联多电平变换器原理及仿真研究
Research on Three Phase Line Voltage Cascaded Multilevel Converter
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这表明避雷器的额定值为系统线电压的100%。
This means that arrester rating is 100 % of the system line-to-line voltage .
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基于线电压差的无刷直流电动机反电势检测方法
A Back EMF Dectection Approach for Brushless DC Motor Based on Line Voltage Differences
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雷达调制器的人工线电压精密调节器
Precision PFN Voltage Regulator for Radar Modulator
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对两相电机进行了线电压控制方式的变频调速研究。
This paper studies VVVF with line line voltage control for two phase induction motors .