LCC信号注入戦略に基づくハイブリッドMTDCシステムの故障位置測定法
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PubMedで要約を見る
まとめ
この要約は機械生成です。この研究は,ラインコンバーター (LCC) 信号インジェクションを使用したハイブリッド多端直流 (MTDC) システムの新しい故障位置測定法を導入します. この技術は,困難な故障条件下でも,単一の端末データで高い精度を達成します.
科学分野
- 電気工学
- 電源システム
- 制御システム
背景
- ハイブリッドマルチターミナル直流 (MTDC) システムは,現代の電力網でますます使用されています.
- システムの信頼性とメンテナンスのために,正確で迅速な故障位置が重要です.
- 既存の故障位置測定法は,精度やデータ要件に制限がある可能性があります.
研究 の 目的
- ハイブリッド MTDC システムの新しい故障位置測定法を提案する.
- 正確な故障の特定により,MTDCシステムの信頼性と維持性を向上させる.
- LCC の固有制御能力を利用する方法を開発する.
主な方法
- LCCの故障制御機能を使用して,トリガーの角度を調整することで,信号注入戦略が開発されます.
- 断層位置の方程式は,分散パラメータモデルに基づいて導出されます.
- 欠陥位置方程式のハイパーボリック関数は,テイラー数列を用いて近似され,フェラーリ法が解析解法として用いられる.
主要な成果
- 提案された方法は,単一の端末データを用いて1%未満の誤差で故障位置を達成します.
- この方法は,最大400Ωの故障抵抗と最大40dBのノイズ干渉に対する強度を示しています.
- このテクニックは,他の故障位置アルゴリズムに共通する繰り返し収束問題を回避します.
結論
- LCCシグナルインジェクション戦略は,ハイブリッドMTDCシステムにおける正確な信頼性の高い故障位置ソリューションを提供します.
- 単一の端末データを使用するメソッドの能力は,実装とデータ取得を簡素化します.
- このアプローチは,MTDCネットワークのライン検査とメンテナンスに重大な利点をもたらします.
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