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相关概念视频

Turbine-Governor Control01:17

Turbine-Governor Control

897
Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
897
Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

345
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
345
Control of Power Flow01:30

Control of Power Flow

650
There are several methods to control power flow in power systems:
650
Feedback control systems01:26

Feedback control systems

657
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
657
Load-frequency control01:28

Load-frequency control

584
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
584
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

638
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
638

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相关实验视频

Updated: Jan 7, 2026

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
09:04

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

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非线性模型用于变速水电的预测控制.

Tajana Nepal1,2, Tommy Sneltvedt3, Choukha Ram3

  • 1Department of Electrical Engineering, IT and Cybernetics, University of South Eastern Norway, Porsgrunn, 3917, Norway. tnepa@usn.no.

Scientific reports
|December 24, 2025
PubMed
概括
此摘要是机器生成的。

变速水电站 (VSHP) 可以为现代电网提供合成惯性. 高级非线性模型预测控制 (NLMPC) 与传统方法相比,为VSHP电网支持提供了更好的控制.

关键词:
附属服务 附属服务控制向量的控制向量协调控制是指协调控制.基于模型的控制控制预测地平线的预测时间美国国家国家.虚拟惯性是一种虚拟惯性.

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Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
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Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
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相关实验视频

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A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
09:04

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

Published on: June 1, 2022

3.6K
Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
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科学领域:

  • 电力系统工程 电力系统工程
  • 控制理论 控制理论
  • 整合可再生能源的整合

背景情况:

  • 基于逆变器的资源 (IBR) 正在减少电网惯性.
  • 水力发电厂传统上提供了必要的电网惯性.
  • 变速水电站 (VSHP) 提供更高的效率和灵活性.

研究的目的:

  • 实施和评估非线性模型预测控制器 (NLMPC) 用于VSHP电网支持.
  • 为了比较NLMPC的性能与经典的PID控制.
  • 分析NLMPC在VSHP控制中的稳定性和约束处理.

主要方法:

  • 实施NLMPC以最佳控制VSHP.
  • 在现实的操作条件下与经典的PID控制器进行比较.
  • 对多目标优化和上游约束满足的分析.

主要成果:

  • NLMPC成功地协调了具有不同时间常数的液压和电气系统.
  • 与PID相比,NLMPC表现优越,特别是在电网中断时.
  • 尽管计算复杂,NLMPC确保了稳定的运行.

结论:

  • 对于VSHP电网支持而言,NLMPC是一种可行的,先进的控制策略.
  • 基于模型的最佳控制可以有效地协调复杂的VSHP动态.
  • NLMPC提供强大的电网支持,解决过载和不确定性.