改良された非接触オンライン電圧モニタリング方法の研究と実装
Meiying Liao1,2,3, Jianping Xu1,3, Wei Ni4
1School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China.
Sensors (Basel, Switzerland)
|February 13, 2026
まとめ
この研究では,安全性を向上させるための新しい非接触電圧モニタリングシステムを導入しています. 強化されたアプローチは,複雑な環境では0.5%未満の誤差で高い精度を達成します.
科学分野:
- 電気工学 電気工学とは
- 測定科学 測定科学とは
背景:
- 高精度非接触オンライン電圧モニタリングは,安全性の向上に不可欠です.
- 既存の技術は,複雑な環境における適応性と精度に関する課題に直面しています.
研究 の 目的:
- 非接触オンライン電圧モニタリングの強化されたアプローチを提案する.
- 測定精度と実用的なエンジニアリングシナリオの適応性を向上させるため.
主な方法:
- 大きな入力容量に対応するRC型信号入力回路を設計しました.
- 同期サンプリングエラーを排除するために,フェーズディテリングを用いた混合信号測定法を実装しました.
- 50Hz/500Vと2000Hz/300Vの実験プロトタイプでシステムを検証しました.
主要な成果:
- このシステムは,異なる入力容量に対して,より高い適応性を示しています.
- フェーズディザリングは,相対フェーズドリフトによって引き起こされる検出エラーを効果的に排除します.
- 実験的検証は,相対的な測定誤差が0.5%未満で安定した動作を示しています.
結論:
- 提案された方法は,コンタクトなしのオンライン電圧モニタリングのための高精度で容易に実装可能なソリューションを提供します.
- この技術は,困難な電磁条件下での低周波,低電圧信号に適しています.
- この研究は,オンラインの電圧測定における将来の進歩のための堅固な基盤を提供します.
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