| 1. | A novel control strategy for the flying capacitor voltage is proposed in this paper
为了解决这个问题，本文提出一种新颖的控制飞跨电容电压的方案。 |
| 2. | A stable flying capacitor voltage must be maintained to facilitate the operation of the chopper
在斩波电路的工作过程中，稳定的浮动电容电压是非常重要的。 |
| 3. | The buck ml converter splits voltage constraints among series - connected switches through flying capacitors . an effective control of flying - capacitor voltage is required to guarantee voltage balancing across semiconductors
由于各个开关管的开关特性以及驱动电路之间的差异，常会使得飞跨电容电压偏离其稳态值。 |
| 4. | The ml converter splits voltage constraints among series - connected switches through the flying capacitors , so keeping the flying capacitor voltages at proper value is very important
该变换器利用飞跨电容使得输入电压在串联的各开关管之间均分,以降低开关管的电压应力,因此飞跨电容电压保持在适当值是保证变换器正常工作且具有良好性能的关键。 |
| 5. | With this control strategy , decoupling control of the flying capacitor voltage is obtained , which has no influence on the output voltage . so the closed - loop control of flying capacitor voltage and output voltage can be designed independently
该控制方案，不仅可以实现飞跨电容电压的解耦控制，而且不影响输出电压的调节，有利于独立设计输出电压及各飞跨电容电压的控制闭环。 |
| 6. | This paper builds the small - signal model of the ml converter , and decouples the converter into several independent single - input single - output systems with the control strategy proposed in [ 8 ] , so the closed - loops for the output voltage and the flying capacitor voltages can be designed independently
本文首先建立了buck多电平变换器的小信号模型,并利用文献[ 8 ]提出的控制方法将该变换器解耦成多个单输入单输出系统。 |
| 7. | In this paper , the basic commutation cell in multilevel converters is proposed , based on which a series of multilevel converters with flying capacitors are derived . the operation principle of buck ml converter and its output characteristics are analyzed in details in this paper
本文总结了飞跨电容型多电平变换器的拓扑变换思路，并将其推广到boost 、 buck - boost 、 cuk 、 zeta和sepic变换器中，得到一族飞跨电容型多电平直流变换器。 |
| 8. | The validity of the small - signal model and the controlled strategy proposed in [ 8 ] are verified by the simulation and experiment results . the results show that the modeling and design of the closed - loops are valid and the flying capacitor voltages control is independent with the output voltage control
仿真和实验结果表明,本文所建立的小信号模型是正确的,基于该模型设计的补偿网络可以使变换器具有较快的动态响应,同时也表明输出电压闭环和飞跨电容电压闭环是相互解耦的。 |
| 9. | The ml converter is a multi - input and multi - output , strongly coupled nonlinearly system , its control elements ( duty cycles ) and the controlled elements ( output voltage and flying capacitor voltages ) of the ml converter are strongly coupled , so the system should be decoupled to multiple single - input and single - output sub - systems such that each output can be controlled independently
多电平变换器的控制量(各开关管占空比)和被控量(输出电压及各飞跨电容电压)之间存在耦合关系,它是一个多输入多输出、强耦合的非线性系统,因此需要将其解耦成多个单输入单输出系统,以对被控量进行独立的闭环控制。 |
