基于灰狼优化改造的快速终端滑动模式控制器的开发,用于供电光伏系统的三相交联增压转换器
K Krishnaram1, T Suresh Padmanabhan2, Faisal Alsaif3
1Department of EEE, E.G.S. Pillay Engineering College, Nagapattinam, Tamil Nadu, India. krishnaramkresearch@gmail.com.
Scientific reports
|April 22, 2024
概括
本研究介绍了太阳能系统的新型混合算法,在部分遮阳下改进最大功率点跟踪 (MPPT). 与现有技术相比,GWO-MFTSMC方法提高了转换效率和跟踪性能.
科学领域:
- 可再生能源系统可再生能源系统
- 电力电子 电力电子 电力电子
- 控制系统 控制系统
背景情况:
- 传统的最大功率点跟踪 (MPPT) 方法难以实现部分遮阳,导致太阳能转换效率降低.
- 现有的混合MPPT算法提高了性能,但由于跟踪速度缓慢和响应时间较长而受到损害.
研究的目的:
- 开发一种新的混合MPPT算法,克服传统和现有混合方法的局限性.
- 为了提高光伏 (PV) 系统在部分遮阳条件下的效率和跟踪性能.
主要方法:
- 开发了一个新的混合算法,集成了灰狼优化器 (GWO) 和修改的快速终端滑动模式控制器 (MFTSMC).
- 拟议的算法被纳入了基于逆变器的三相转换器 (ILBC) 的光伏系统.
- 使用MATLAB/SIMULINK进行了模拟,并在5×200W太阳能光伏模块上测试了硬件原型.
主要成果:
- 与人工神经网络-快速终端滑动模式控制器 (ANN-FTSMC) 和粒子群集优化-快速终端滑动模式控制器 (PSO-FTSMC) 方法相比,GWO-MFTSMC算法表现出更高的性能.
- 在模拟中实现了99.72%的转换效率,在硬件实现中达到96.15%.
- 拟议的方法显示,在部分阴影下,跟踪效率提高,响应更快.
结论:
- 拟议的GWO-MFTSMC混合算法为光伏系统中的MPPT提供了显著的改进,特别是在具有挑战性的部分遮阳条件下.
- 集成GWO和MFTSMC提供了一个强大的和高效的解决方案,以最大限度地利用太阳能收获.
- 该研究通过模拟和硬件实现验证了拟议方法的有效性.
更多相关视频
11:53The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
Published on: October 14, 2017
11.6K
10:36Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption
Published on: November 3, 2023
1.5K
相关概念视频
Fast Decoupled and DC Powerflow
191
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
191
Generator Voltage Control
147
Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand,...
147
Phase-lead and Phase-lag Controllers
169
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...
169
Power Factor Correction
172
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
172
Full wave rectifier
1.1K
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.
1.1K
PD Controller: Design
222
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
222
