ArticleScientific reports2026
Development and practical application of condition monitoring system for ultra-high voltage electrical equipment.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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2 authors.
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Abstract
Electrical equipment serves as mission-critical infrastructure in power systems. Operational status monitoring is fundamental to load demand fulfillment. This study employs intelligent methodologies to establish an ultra-high voltage equipment condition monitoring system for real-time operational status surveillance, enabling timely fault diagnosis and early warning through automated analysis of equipment status changes. Key metrics: GIS SF6 gas density achieves 6.452 kg/m³ under ambient cooling conditions; SF6 gas pressure reaches 0.960 MPa during switching operations; SF6 gas temperature declines to -28.491℃ under high-frequency switching cycles; Surge arrester leakage current exhibits non-monotonic behavior with voltage escalation, with peak magnitude observed at 95.591 mA; Under full load, the GIS three-phase voltage reaches 239.958 V. The three-phase current exhibits an overall downward trend, dropping to 2.519 A under heavy load. Active power peaks at 3,472.504 W under medium load, while reactive power reaches 1,078.828 var under heavy load. Apparent power attains 4,431.743 VA under heavy load. The power factor initially decreases, then rises, achieving 0.904 at full load. The successful development of this system provides valuable insights for enhancing equipment reliability, improving monitoring efficiency, and reducing operational costs.
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