一种混合相位转移PWM技术,用于13级逆变器,具有低开关数和抑制的充电尖峰
Hossein Mansourizadeh1, Majid Hosseinpour2, Ali Seifi1
1Department of Electrical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran.
Scientific reports
|July 30, 2025
概括
一个新的13级开关电容逆变器提供了六倍的电压提升与更少的组件. 这种新的设计提高了功率密度,并简化了控制,实验结果验证了这一点.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 可再生能源系统可再生能源系统
背景情况:
- 开关电容逆变器对于功率电子中的电压转换至关重要.
- 现有设计通常面临的挑战是组件数量,控制复杂性和电压平衡.
- 持续需要高效和紧的逆变器,具有高电压增益.
研究的目的:
- 为了引入一种新的13级交换电容逆变器拓.
- 为了在减少组件数量时实现六倍的电压增加.
- 为了提高功率密度和简化控制策略.
主要方法:
- 设计了一种新的13级开关电容逆变器结构,包含10个开关,5个二极管和5个电容.
- 实施了一种混合脉冲宽度调制 (PWM) 策略,其中包含了一个额外的切换状态.
- 分析包括电路描述,操作原理,电容器电压波纹和损失的确定.
主要成果:
- 拟议的逆变器实现了六倍的电压提升.
- 它只使用十个开关和五个控制信号,减少了复杂性和成本.
- 观察到自动电容电压平衡和减少波纹/充电尖峰.
- 模拟和实验结果验证了性能.
结论:
- 新的13级开关电容逆变器在动力电子领域取得了重大进展.
- 它的高电压增益,降低组件数量和简化控制提供了实用优势.
- 该设计适用于需要高效和紧的高压转换的应用.
相关概念视频
Voltage Doubler Circuit
862
A voltage doubler circuit integrates two main components: a clamping section and a rectifier section. The clamping section consists of a capacitor (C1) and a diode (D1), whereas the rectifier section is equipped with another diode (D2) and capacitor (C2). This circuit produces an output voltage with twice the amplitude of the sinusoidal input voltage.
862
MOSFET: Enhancement Mode
483
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
483
Half wave rectifier
1.6K
A half-wave rectifier is a fundamental circuit in electronics, designed to convert alternating current (AC) voltage into a unidirectional voltage. It utilizes the simplest form of diode rectification, where the circuit comprises a single diode in series with a load resistor and an AC power source.
1.6K
Phase-lead and Phase-lag Controllers
227
Understanding the working function of different types of controllers can be illustrated with practical analogies, such as adjusting a stereo's volume equalizer. Cranking up the bass involves a phase-lead controller, which functions as a high-pass filter, while increasing the treble uses a phase-lag controller, which acts as a low-pass filter. PD controllers, similar to high-pass filters, enhance the system's response to high-frequency components. PI controllers, akin to low-pass...
227
Bridge rectifier
843
The bridge rectifier is essential in electronics for efficiently converting alternating current (AC) to direct current (DC). Comprised of four diodes configured in a bridge layout, this rectifier effectively processes both the positive and negative halves of the AC waveform, making it superior to half-wave and full-wave center-tapped rectifiers in terms of voltage regulation and output stability.
Operationally, the bridge rectifier allows current flow through two of its diodes during each...
Operationally, the bridge rectifier allows current flow through two of its diodes during each...
843
Generation of Three-Phase Voltage
470
A three-phase AC generator has a rotor with a rotating magnet placed within the stator mounted with the stationary three-phase winding to generate three-phase voltages via mutual induction. These windings are evenly distributed around the inner circumference of the stator and are arranged 120 electrical degrees apart. Three-phase stator windings consist of three separate coils or groups of coils, known as phases, each connected in Y (star) configuration or Delta configuration.
As the rotor...
As the rotor...
470


