• The relations of the amplitude and the phase of the injected voltage by the series converter of the UPFC are defined in difference control patterns.

    确定统一潮流控制器不同调节控制方式下所对应串联注入电压幅值相位关系

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  • The difference of output voltage of inverter and 220v is set as control signal, controller change the PWM signal to regulate buck-boost converter and three-phase rectifier.

    逆变器输出电压220v的差值作为控制信号。设计控制器根据控制信号改变直流变换器三相可控整流PWM控制信号。

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  • For isolated-type symmetry half-bridge bidirectional converter with phase-shifted control, a simplified circuit under 4 modes using the primary windings of transformer as reference object is built.

    隔离对称双向变换器对象建立了以参考4模式简化电路,提出了结合开关函数的状态空间平均模型的建立方法。

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  • The DSP sends out the phase shifting control signal and then that amplified by IR2110 chip. It can realize ZVS of the full bridge converter main power switch by the phase shifting drive control.

    DSP发出控制信号芯片IR 2110驱动放大,在移相驱动信号控制下可以实现变换器功率开关ZVS

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  • Stable output voltage and input power factor is available by direct adjustment of the amplitude and phase angles of the control voltage for 4qs converter.

    通过直接调节象限变流器控制电压幅值相角达到稳定输出电压和输入功率因数目的。

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  • To achieve the precision control of phase current or phase flux linkage in switched reluctance motor (SRM), the higher switching frequency of converter is required to increase dynamic response speed.

    为了实现开关磁阻电机(SRM)绕组电流精确控制必须提高SR M功率变换器的工作频率提高系统的动态响应速度

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  • In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated (PWM) converter.

    建立三相电压型PWM整流器电流控制数学模型,输入电流静止坐标系下实现固定开关频率的解耦控制。

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  • This paper presents a new converter control algorithm for the direct drive permanent magnet wind generator under the unbalanced three-phase source voltage.

    提出种用于电网侧三相电压不平衡情况永磁风力发电机逆变控制算法

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  • The three phase converter soft switch control can be realized by avail of resonant DC link.

    谐振直流可以实现三相变流器开关控制

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  • For multiple back-to-back four-quadrant converter, a modified SPWM technique is combined with carrier phase-shifting control, which reduces current harmonic and enhances power exchange ability.

    针对多重化的背靠背象限变流器采用了载波移相控制改进SPWM调制结合的方法,减小电流谐波提高了功率交换能力。

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  • Taking advantage of power function and rapidity of DSP, the controller constitutes a powerful thyristor converter with phase-lead control based on TMS320F240.

    在系统设计时,利用DSP功能强、运行速度特点,构成基于TMS320F240 DSP的大功率晶闸管超前相控变流系统。

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  • Taking advantage of power function and rapidity of DSP, the controller constitutes a powerful thyristor converter with phase-lead control based on TMS320F240.

    在系统设计时,利用DSP功能强、运行速度特点,构成基于TMS320F240 DSP的大功率晶闸管超前相控变流系统。

    youdao

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