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New Launch: FD2 Series Outdoor High-Voltage Discharge Coil for Parallel Capacitor Banks

2026-05-23
Prouct Overview
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The FD2 series discharge coil is a dedicated safety component designed for 6–10kV AC 50Hz power systems. Installed in parallel with high-voltage capacitor banks, its core function is to safely discharge residual voltage after power cut-off, protecting both equipment and maintenance personnel from electric shock hazards.
Key Technical Advantages
Fully Sealed, Maintenance-Free Design
Adopts a fully sealed vertical structure with patented oil compensation technology. The tank maintains a slight positive pressure to isolate internal insulating oil from the atmosphere, eliminating the need for routine maintenance throughout its service life and providing reliable explosion-proof performance.
High Precision & Compact Structure
Built with an outer iron core using stacked silicon steel sheets, the coil ensures high accuracy even under 0.9–1.3 times rated voltage and variable secondary loads. The compact oil-immersed structure, with high-voltage and low-voltage bushings arranged on the tank cover, guarantees excellent insulation and reliable performance.
Wide Application Range
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Working Conditions
Ambient temperature: -40°C to +40°C
Altitude: ≤1000 meters
Relative humidity: ≤85%
Suitable for outdoor installation in non-corrosive, vibration-free environments
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Applications
The FD2 discharge coil is widely used in power distribution systems, industrial and commercial power grids, and renewable energy projects where parallel capacitor banks are deployed for reactive power compensation. It is an essential safety component to ensure the stable and reliable operation of capacitor banks.
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