1) neutral-point-clamped
中性点箝位
1.
A novel two-arm asymmetry three-level neutral-point-clamped switching mode PWM rectifier is proposed, the mathematical model of the rectifier is derived, and the working mode and the constant- frequency PWM control method are analyzed in detail.
该文提出一种新型的两桥臂非对称三电平中性点箝位开关模式PWM整流电路拓扑,详细分析了其数学模型,深入研究了该PWM整流器的工作模式及其恒频PWM控制方法。
2.
The mathematical model and working modes o a novel three-phase two-arm three-level neutral-point-clamped(NPC) pulse width modulation(PWM) rectifier suitable fo direct-driving wind power system are analyzed in detail, and the constant frequency control strategies based on space voltage vectors are proposed and applied to the rectification conversion of direct-driven power generation system.
系统分析了新型三相两桥臂三电平中性点箝位脉宽调制(pulsewidthmodulation,PWM)整流器的数学模型和工作模式,提出了基于空间电压矢量的恒频控制策略,并将其应用于直驱风力发电系统整流变换中。
3.
The mathematical model and working modes of the three-phase two-arm three-level neutral-point-clamped (NPC) pulse width modulation (PWM) rectifier were analyzed, and a novel dual single-input single-output (SISO) model based on α-β stationary reference frame was proposed, in which the α-axis and β-axis equivalent model are shown to be similar to two traditional single-phase boost converters.
系统分析三相两桥臂三电平中性点箝位脉宽调制(pulse width modulation,PWM)整流器的数学模型和工作模式,提出一种基于α-β静止参考坐标系的双单输入单输出模型,在两相静止坐标系中将三相两桥臂三电平PWM整流器简化为2个与传统单相升压变换器类似的电路结构。
2) neutral point clamped(NPC)
中性点箝位型
1.
Based on series connected integrated gate-commutated thyristors(IGCT) used in neutral point clamped(NPC) three-level medium voltage drives(MVD),a reasonable design of the DC-link(including DC-link choke,DC-link resistor and clamped capacitor) is very important to the MVDs safe operation.
基于集成门极换向晶闸管(IGCT)串联的中性点箝位型三电平高压大功率变频器中,变频器直流环节(包括限流电感、箝位电容及限流电阻)参数设置合理与否关系到高压变频器的安全运行。
5) NPC(neutral point clamped)
三电平中性点箝位
6) diode neutral-point-clamped
二极管中点箝位
1.
The APF uses a diode neutral-point-clamped(NPC) three-level inverter.
APF采用基于二极管中点箝位式(neutral-point-clamped,NPC)三电平结构,使有源滤波器的工作电压大大提高。
补充资料：箝位电路
| 箝位电路 clamping circuit 将脉冲信号波形的某一部分固定在一个选定的电平上，而使原信号其余部分的波形保持不变的电路。箝位电路可以使失去直流分量的脉冲信号恢复直流成分，故又称直流恢复器。箝位电路常用于各种显示设备。在示波器和雷达显示器中用箝位电路对扫描信号进行直流恢复，以解决扫描速度改变引起荧光屏上图像移动的问题。用于电视系统可使全电视信号的同步脉冲顶端电平保持为一个固定的数值，以克服由于失去直流分量和干扰等原因所造成的电平波动，便于从全电视信号中分离同步脉冲。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条