Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Line Protection with Impedance Relays01:27

Line Protection with Impedance Relays

134
Coordinating time-delay overcurrent relays in complex radial systems and directional overcurrent relays in multi-source transmission loops can be challenging. Impedance relays address these issues by responding to the voltage-to-current ratio, specifically measuring the apparent impedance of a line. These relays become more sensitive during faults as current increases and voltage decreases, thereby reducing the apparent impedance.
Under normal conditions, low load currents keep the measured...
134
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

155
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...
155
Directional Relays01:25

Directional Relays

188
Directional relays, essential for managing unidirectional fault currents, enhance the safety and efficiency of power systems. On power lines equipped with directional relays, faults downstream (to the right) of the current transformer typically cause the fault current to lag the bus voltage by approximately 90 degrees, known as the forward direction. In contrast, upstream (left-side) faults may result in the fault current leading the bus voltage by nearly 90 degrees, termed the reverse...
188
Reclosers and Fuses01:26

Reclosers and Fuses

162
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...
162
Power System Three-Phase Short Circuits01:21

Power System Three-Phase Short Circuits

148
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...
148
Bus Impedance Matrix01:24

Bus Impedance Matrix

175
Calculating subtransient fault currents for three-phase faults in an N-bus power system involves using the positive-sequence network. When a three-phase short circuit occurs at a specific bus, the analysis uses the superposition method to evaluate two separate circuits.
In the first circuit, all machine voltage sources are short-circuited, leaving only the prefault voltage source at the fault location. The positive-sequence bus impedance matrix can be determined by solving the nodal equations,...
175

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Hydrogeochemical processes and water quality of the Aïn Taga Karst Spring, Tlemcen, Northwestern Algeria.

Environmental geochemistry and health·2026
Same author

Experimental performance comparison of fixed and single-axis subfields in a large-scale outdoor photovoltaic power plant.

Scientific reports·2026
Same author

Fault detection and diagnosis in photovoltaic systems using artificial intelligence and time-frequency analysis.

Scientific reports·2026
Same author

Release of Pro-Inflammatory Cytokines from Macrophages Stimulated by Denture Base Materials in Smokeless Tobacco Extract Environment.

Journal of pharmacy & bioallied sciences·2026
Same author

Functional characterization and effect of polysaccharides on the activity of GH16 β-agarase from Gelidibacter salicanalis PAMC21136.

Carbohydrate research·2025
Same author

Enhancing grid connected wind energy conversion systems through fuzzy logic control optimization with PSO and GA techniques.

Scientific reports·2025

関連する実験動画

Updated: Sep 10, 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

612

DCマイクログリッドの信頼性と効率を高めるための最適化された故障検出と制御

Banothu Somanna1, Sushma Gupta2, Jatoth Rajender2

  • 1Department of Electrical Engineering, Maulana Azad National Institute of Technology, Bhopal, 462003, MP, India. Banothu.somanna@gmail.com.

Scientific reports
|August 24, 2025
PubMed
まとめ

この研究は,多様なエネルギー源を持つDCマイクログリッド (DCMGs) の最適化された制御と保護の枠組みを提示しています. リアルタイム・シミュレーションで検証された,高度な故障検出とフージー・ロジック・コントローラにより,安定性と信頼性が向上します.

キーワード:
サーキットブレーカーDCマイクログリッドフージロジックコントローラGAベースのチューンPIコントローラPI 制御ショートサーキット故障

さらに関連する動画

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.8K
Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
03:31

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Published on: December 15, 2023

635

関連する実験動画

Last Updated: Sep 10, 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

612
Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.8K
Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
03:31

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Published on: December 15, 2023

635

科学分野:

  • 電気工学
  • 再生可能エネルギーシステム
  • 制御システム

背景:

  • DCマイクログリッド (DCMGs) は,断続的なエネルギー源と故障管理で課題に直面しています.
  • 既存の制御戦略は,しばしば電圧と電流の変動と遅い故障検出に苦労します.

研究 の 目的:

  • DCMGの故障検出と制御のための包括的な枠組みを開発する.
  • DCMGsの安定性,信頼性,および故障条件下での電力品質を向上させる.
  • PV,風力,燃料電池,バッテリー貯蔵などの多様なエネルギー源を統合するための制御戦略を最適化します.

主な方法:

  • 断続的なDCリンクの故障に対する抵抗ベースの故障検出スキーム.
  • パートルブ&オブザーブ (P&O) PVと風力発電の追跡
  • エネルギー貯蔵管理のためのプロポーション・インテグラル (PI) とフージー・ロジック・コントローラ (FLC)
  • DCリンクの電圧と電流の最適化のための遺伝子アルゴリズム調節PIコントローラ (GA-PIC).
  • オパールRTリアルタイムシミュレーションによる検証

主要な成果:

  • 提案された枠組みは,故障条件下でのDCMGの安定性と信頼性を大幅に高めます.
  • フージロジックコントローラ (FLC) は,電圧と電流の変動を緩和する上で従来のPIコントローラを上回ります.
  • 統合された DC 保護スキームは,故障検出の速度と精度が向上しています.
  • GA-PICの最適化により,DCリンクのV-Iレベルと全体的なシステムの性能が向上します.

結論:

  • 検証され,最適化された制御と保護スキームは,DCMGの動作に堅固なソリューションを提供します.
  • この研究は,ダイナミックなDCMG応答におけるFLCとGA調節PIコントローラの有効性を実証しています.
  • この作業は,多様なエネルギー源によるDCマイクログリッドのより信頼性と効率的な運用に貢献します.