• 提高直流电压利用率可以提高逆变器输出能力。

    Increasing the efficiency of DC voltage can be helpful to increase the output voltage of the inverter.

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  • SPWM调制提高逆变电源电压利用率减少谐波分量重要方法

    SPWM modulation is the important way to improve the invert power supply voltage efficiency and reduce the harmonic component.

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  • 而空间矢量谐波特性好、电压利用率控制方法简单便于数字实现

    SVPWM has low harmonic and high voltage utilization. The control method is simple and easy for digital realization.

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  • SPWM变换器中的区设置使变换器输出电压谐波含量增加电压利用率可靠性降低

    The dead time control in SPWM converter increases the harmonic component in voltage output and decreases the voltage utilization and reliability of converters.

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  • 同时拓扑保证输入电流连续,减小了直流使用寿命的影响提高了直流侧电压利用率

    Continuous input current is ensured, which mitigates the impact on DC source and improves DC voltage utilization.

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  • 分析空间矢量调制(SVPWM)基本原理基础上,证明了SVPWM具有最大的直流电压利用率

    By analyzing the base principle of space vector pulse width modulation (SVPWM), it is proved that the DC voltage utilization.

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  • SVPWM物理概念清晰算法简单直流电压利用率易于实现数字化现在研究热点之一。

    Because the conception of SVPWM is clear, the arithmetic is simple, and it has high utilization of DC voltage, especially ease of being digitized, SVPWM is now popular in research.

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  • 分析电压空间矢量调制(SVPWM)基本原理基础上,证明了SVPWM具有最大直流电压利用率

    By analyzing the basic principle of voltage space vector pulse width modulation (SVPWM), it is proved that the dc voltage utilization ratio of SVPWM is the highest.

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  • 本文将三次谐波注入PWM控制方案应用到四桥三相逆变器可以非对称负载具有较高电压利用率

    The PWM control strategy with 3-th harmonic in addition is presented for four-leg three-phase inverter, the inverter can deal with unbalanced load and has a high utilization of dc bus voltage.

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  • 文中还分析了采用维SVPWM时逆变电压利用率,给出了基于所提算法其它3种调制方法桥臂逆变器仿真结果

    Moreover, the voltage utilization ratio of the inverter with 3D-SVPWM is analyzed, and the simulated results of the four-leg inverter with the four above-mentioned methods are compared.

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  • 针对传统Z逆变直流升压因子较小、启动冲击严重、直流侧电压利用率较低等缺点,提出了一种改进型的Z源逆变器拓扑

    Aiming at the low DC boost capacity, serious starting-up inrush current and low DC voltage utilization of traditional Z-source inverter, an improved topology of Z-source inverter is proposed.

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  • 这种过调制算法应用永磁同步电机矢量控制系统中,提高了逆变器直流母线电压利用率,实现对永磁同步电机弱磁运行区域扩展

    The overmodulation algorithm is applied in the PMSM vector control system to increase output voltage of SVPWM inverter, and to extend the PMSM operation range.

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  • 实验结果证明系统电动机电流谐波失真较小直流母线电压利用率常规正弦波脉宽调制(SPWM)了较大的提高,功率器件开关损耗较小

    Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.

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  • SVPWM具有较高直流电压利用率开关损耗,从而实现了高性能的逆变输出。

    SVPWM technique have many good qualities, such as less pulsating torque, high usage of DC bus voltage, less switching loss, better high-speed regulation performance.

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  • 采用优化SAPWM调制信号,提高直流电压利用率,并能有效地抑制逆变器输出谐波电流

    Also, optimized SAPWM modulation wave has been utilized, improving the utility ratio of DC voltage and restraining effectively the output harmonic current of inverter.

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  • 建模过程SOFC燃料利用率模型输入电压电流模型输出。

    The fuel utilization of the SOFC is taken as the input, the voltage and current density as the outputs of the neural network model.

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  • 建模过程SOFC燃料利用率模型输入电压电流模型输出。

    The fuel utilization of the SOFC is taken as the input, the voltage and current density as the outputs of the neural network model.

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