对于动态电压和低功率应用的光伏集成单电感器多输出直流-直流转换器的高效控制器设计
Mudassar Usman1, Furqan Asghar2, Muhammad Rameez Javed1
1Department of Electrical, Electronics and Telecommunication Engineering, University of Engineering and Technology, Lahore, Pakistan.
Science progress
|September 19, 2023
概括
一个新的单导体多输出 (SIMO) DC-DC增压转换器为多个动态电压输出提供独立的功率控制. 这种高效的设计集成了用于可再生能源采集的光伏阵列.
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:
- 传统的SIMO DC-DC转换器缺乏独立的输出功率控制和可扩展性.
- 动态电压应用需要对多个输出进行高效的电源管理.
- 光伏 (PV) 阵列越来越多地被用作可再生能源.
研究的目的:
- 建议并实施SIMO直流-直流增压转换器的高效控制器设计.
- 为了使三个动态电压,低功率输出实现独立的功率控制.
- 整合一个光伏阵列,用于可再生能源的采集和高效的电力供应.
主要方法:
- 设计了一个单导体多输出 (SIMO) DC-DC增压转换器拓.
- 为SIMO操作实施了带有无过渡控制的歇斯底里控制器.
- 对于光伏阵列的最大功率点跟踪 (MPPT) 应用了带有集成控制的增量导电.
- 该系统使用MATLAB/Simulink.使用模型和模拟.
主要成果:
- 拟议的SIMO转换器实现了对每个输出的独立功率控制.
- 该设计展示了改进的可扩展性,减少开关数量和快速响应时间.
- 模拟显示在不同太阳辐射量下 (1000 W/m2和250 W/m2) 的功率输出为100.5 W和21.7 W.
- 集成的光伏阵列有效地收集了太阳能.
结论:
- 开发的带有歇斯底里控制器的SIMO直流直流增压转换器对于动态电压应用非常有效.
- 光伏阵列和MPPT的集成增强了系统的可再生能源采集能力.
- 拟议的设计为多输出电力系统提供了具有成本效益,可扩展性和高性能的解决方案.
相关概念视频
PI Controller: Design
326
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
326
PD Controller: Design
276
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,...
276
Fast Decoupled and DC Powerflow
233
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:
233
PID Controller
138
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
138
Control of Power Flow
288
There are several methods to control power flow in power systems:
288
Time and frequency -Domain Interpretation of PI Control
157
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
157


