Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Load-frequency control01:28

Load-frequency control

162
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...
162
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

107
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
107
Zones of Protection01:16

Zones of Protection

168
In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
168
Multimachine Stability01:25

Multimachine Stability

153
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
153
Reclosers and Fuses01:26

Reclosers and Fuses

105
Automatic circuit reclosers enhance the protection of distribution circuits by interrupting and auto-reclosing an AC circuit according to a preset sequence. They effectively manage temporary faults on overhead distribution lines, often caused by tree limbs or wildlife, by briefly disrupting service to improve overall reliability. However, contact with reclosers or energized broken conductors on the ground can pose serious hazards.
A comprehensive protection scheme for radial distribution...
105
Power System Three-Phase Short Circuits01:21

Power System Three-Phase Short Circuits

84
Determining the subtransient fault current in a power system involves representing transformers by their leakage reactances, transmission lines by their equivalent series reactances, and synchronous machines as constant voltage sources behind their subtransient reactances. In this analysis, certain elements are excluded, such as winding resistances, series resistances, shunt admittances, delta-Y phase shifts, armature resistance, saturation, saliency, non-rotating impedance loads, and small...
84

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Real-World Efficacy of Metronomic Chemotherapy in Advanced Breast Cancer Across Molecular Subtypes.

Cancer medicine·2026
Same author

Dynamic inflammatory biomarkers as prognostic indicators in advanced breast cancer patients receiving PD-1 inhibitors.

Therapeutic advances in medical oncology·2026
Same author

HDAC inhibitor tucidinostat and metronomic capecitabine plus endocrine therapy for patients with HR-positive HER2-negative advanced breast cancer after CDK4/6 inhibitors treatment: clinical findings and exploratory circulating tumor cell and ctDNA biomarker analyses of a multicenter, phase 2 study (SYSUCC-020 trial).

Signal transduction and targeted therapy·2026
Same author

A cell-specific computational framework reveals a pan-cancer hypoxia signature predicting overall survival and ICI response.

The Journal of biological chemistry·2025
Same author

Peripheral Thyroid Hormone Sensitivity Mediates the Association Between Body Composition and Diabetes in Euthyroid Adults.

Journal of cachexia, sarcopenia and muscle·2025
Same author

A core driver gene set identified based on geMER reveals its potential driver mechanism in pan-cancer.

NPJ precision oncology·2025

相关实验视频

Updated: Jul 2, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

345

互连电力系统的安全负载频率控制模型基于欺骗攻击.

Xin Sun1, Qiuhang Tang2, Qianyi Lu3

  • 1State Grid Zhejiang Electric Power Co., Ltd., Electric Power Science Research Institute, Hangzhou, China.

PloS one
|February 29, 2024
PubMed
概括

本研究引入了一种弹性事件触发的滑动模式负载频率控制,用于相互连接的电力系统,以增强对网络攻击的稳定性. 新型号在混合攻击下确保更快的恢复和稳定的功率数据传输.

更多相关视频

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

544
Design and Analysis for Fall Detection System Simplification
08:05

Design and Analysis for Fall Detection System Simplification

Published on: April 6, 2020

10.7K

相关实验视频

Last Updated: Jul 2, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

345
Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

544
Design and Analysis for Fall Detection System Simplification
08:05

Design and Analysis for Fall Detection System Simplification

Published on: April 6, 2020

10.7K

科学领域:

  • 电气工程 电气工程
  • 控制系统 控制系统
  • 网络安全 网络安全

背景情况:

  • 互连的电力系统有助于资源共享,但容易受到网络攻击.
  • 欺骗攻击威胁到电网负载频率控制的稳定性.
  • 现有的控制策略可能无法充分解决复杂电力系统中的混合攻击.

研究的目的:

  • 为相互连接的电力系统制定一个先进的负载频率控制策略,以抵御网络攻击.
  • 为了提高系统稳定性并确保在欺骗和混合攻击下可靠的功率数据传输.
  • 通过事件触发方法来减少通信负载和网络资源消耗.

主要方法:

  • 在相互连接的电力系统中构建了负载频率控制的动态模型.
  • 实施了事件触发策略,以尽量减少数据通信频率.
  • 设计了一个滑动模式控制器,用于强大的事件触发的滑动模式安全负载频率控制.
  • 开发了一种弹性事件触发的滑动模式负载频率控制模型.

主要成果:

  • 事件触发的负载频率控制在大约12秒内稳定了系统偏差.
  • 基于滑动模式控制的负载频率控制在约10秒内实现了稳定.
  • 弹性事件触发的滑动模式负载频率控制显示了强大的抗干扰能力,可以应对各种攻击.
  • 显著降低网络传输数据和资源成本.

结论:

  • 拟议的弹性事件触发的滑动模式负载频率控制有效地提高了在混合攻击下相互连接的电力系统的稳定性和安全性.
  • 这种方法保证了稳定的功率数据传输和比以前的方法更快的系统恢复.
  • 该研究解决了相互连接的电力系统中的关键安全挑战,有助于稳定的电力供应.