An Ultra-Wide Band Antenna System for Pulsed Sources Direction Finding.

Area of Science:

• Electrical Engineering
• Electromagnetics
• Signal Processing

Background:

• Electric discharges in high-voltage power systems generate wideband radio-frequency electromagnetic signatures.
• Localization of these discharges is crucial for maintaining power distribution reliability.
• Traditional methods often rely on frequency-domain analysis, which can be complex for transient pulse signals.

Discussion:

• This research proposes an ultra-wide band (UWB) antenna system with a dual-padlock configuration for capturing discharge signals.
• A direction-finding (DF) approach employing energy-based descriptors is presented as an alternative to conventional frequency-domain parameters.
• The UWB antenna system is designed for a suitable pulse-matched response with two unbalanced outputs.

Key Insights:

• The developed UWB antenna system and energy-based DF approach effectively localize electric discharges.
• This method offers a robust alternative for analyzing transient pulse signals from high-voltage equipment.
• Validation through both simulations and measurements confirms the system's efficacy.

Outlook:

• Future work could involve integrating this system into real-time monitoring networks for predictive maintenance.
• Further research may explore optimizing the antenna design for even broader frequency coverage and improved sensitivity.
• The energy-based descriptor approach could be adapted for other applications involving transient electromagnetic signal analysis.