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相关概念视频

Open and closed-loop control systems01:17

Open and closed-loop control systems

813
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
813
Power System Distribution01:25

Power System Distribution

264
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
264
Generator Voltage Control01:21

Generator Voltage Control

187
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,...
187
Phase-lead and Phase-lag Controllers01:22

Phase-lead and Phase-lag Controllers

199
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...
199
Control of Power Flow01:30

Control of Power Flow

290
There are several methods to control power flow in power systems:
290
PID Controller01:19

PID Controller

146
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...
146

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Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
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一个详细的基于dSPACE的模块化模型预测控制的实现,用于交流微电网.

Ariel Villalón1, Carlos Muñoz2,3, Javier Muñoz2

  • 1Engineering Systems Doctoral Program, Faculty of Engineering, University of Talca, Campus Curicó, Curico 3344158, Chile.

Sensors (Basel, Switzerland)
|July 29, 2023
PubMed
概括
此摘要是机器生成的。

本研究实施了岛屿交流微电网的模型预测控制策略,提高了电压源逆变器的稳定性和负载共享. 该dSPACE平台可以实时模拟和验证这个先进的微电网控制系统.

关键词:
在AC微型电网上.dSPACE 是一个空间.降落控制 降落控制固定开关频率调制模型的预测控制.分享权力 分享权力.电压源的逆变器电压源的逆变器.

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相关实验视频

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科学领域:

  • 电气工程 电气工程
  • 电力系统 电力系统
  • 控制系统 控制系统

背景情况:

  • 微电网整合了清洁和智能能源技术,但在可控性和稳定性方面面临挑战.
  • 电压源逆变器 (VSI) 是微电网电力转换中的关键组件.
  • 模型预测控制 (MPC) 为动力电子提供了先进的控制功能.

研究的目的:

  • 介绍基于dSPACE的固定开关频率调制模型预测控制 (M2PC) 策略的实现.
  • 在岛屿交流微电网中为VSI开发分层控制架构.
  • 通过实时实验验验证控制器在负载共享和稳定性方面的性能.

主要方法:

  • 使用dSPACE ds1103平台实现M2PC作为三相VSI的内部控制器.
  • 使用 MATLAB/Simulink 和 dSPACE 的实时接口进行控制器设计和 I/O 配置.
  • 使用ControlDesk软件进行实时监控和测试,VSI和LCL过器共享RL负载.

主要成果:

  • 成功实验验证了M2PC战略,用于平行VSI之间的负载共享.
  • 在实施的控制下,证明岛屿交流微电网的稳定运行.
  • 获得的实验波形证实了控制器的有效性.

结论:

  • 基于dSPACE的实现为微电网研究提供了有价值的工具.
  • 层次的M2PC战略有效地解决了微电网控制挑战.
  • 实时模拟和实验验证对于推进微电网技术至关重要.