一个新的37级逆变器,用于可再生能源应用的减少开关
Shubhi Shukla1, Vidushi Goel1, C Dhanamjayulu2
1School of Electrical Engineering, Vellore Institute of Technology, Vellore, India.
Scientific reports
|December 14, 2025
概括
一个新的37级多级逆变器 (MLI) 减少了组件,提高了效率. 这种新的拓为可再生能源和电动汽车提供了较低的总波扭曲 (THD) 和稳定的性能.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
背景情况:
- 多级逆变器 (MLI) 对于高质量的发电至关重要.
- 现有的MLIs面临着部件数量和效率方面的挑战.
研究的目的:
- 为了引入一个新的37级MLI拓.
- 为了减少交换机和源的数量,同时保持性能.
主要方法:
- 使用MATLAB/Simulink.设计和模拟使用37级MLI.
- 使用dSPACE控制系统进行硬件实现和测试.
- 在各种负载条件下的性能评估,包括动态变化.
主要成果:
- 实现了1.21% (硬件) 和0.8% (模拟) 的总波扭曲 (THD).
- 达到93.26%的高效率.
- 已证明降低了总站立电压 (18VDC) 和改善了每个级别的组件比.
结论:
- 拟议的37级MLI提供了一个具有成本效益,紧和可靠的解决方案.
- 它显示稳定的运行和卓越的性能可再生能源和电动汽车应用.
更多相关视频
12:08Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System
Published on: July 18, 2015
11.1K
08:45Integration of Light Trapping Silver Nanostructures in Hydrogenated Microcrystalline Silicon Solar Cells by Transfer Printing
Published on: November 9, 2015
8.1K
相关概念视频
Bridge rectifier
1.4K
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...
1.4K
Voltage Doubler Circuit
1.5K
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.
1.5K
Reducing Line Loss
337
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
337
Half wave rectifier
2.3K
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.
2.3K
Full wave rectifier
2.6K
A full-wave rectifier is a device that converts alternating current (AC) to direct current (DC) and is more efficient than its half-wave counterpart. It typically includes a center-tapped transformer, two diodes, and a load resistor. The secondary winding of the transformer is divided to provide two equal voltages of opposite polarities, which is the pivotal element of full-wave rectification.
2.6K
Three-Winding Transformers
646
Three identical single-phase transformers can be configured to form a three-phase transformer connection, which involves high-voltage and low-voltage windings. The high-voltage windings are denoted by capital letters A-B-C, while the low-voltage windings are labeled with lowercase letters a-b-c, representing their respective phases. This notation helps distinguish between the high and low voltage sides of the transformer.
In the per-unit equivalent circuit of a grounded Y-Y three-phase...
In the per-unit equivalent circuit of a grounded Y-Y three-phase...
646
