TG2A-40.5-(395) 40.5kV Wall Bushing Technical Description The TG2A-40.5-(395) 40.5kV Wall Bushing is a high-voltage electrical component designed for safe and reliable power transmission through walls or enclosures in substations, transformers, or switchgear systems. Rated for 40.5kV, this bushing ensures efficient insulation and mechanical stability under demanding operational conditions. Design and Construction The bushing features a robust design with an aluminum conductor for excellent conductivity and corrosion resistance. The insulator is typically made of porcelain or composite material, providing superior dielectric strength and resistance to environmental factors such as moisture, UV radiation, and pollution. The 395mm creepage distance ensures enhanced insulation performance, minimizing the risk of flashovers in contaminated or humid environments. Key Features 1. Voltage Rating: 40.5kV (nominal system voltage) with compliance to IEC or ANSI standards. 2. Current Capacity: Designed to handle specified load currents with minimal losses. 3. Mechanical Strength: High resistance to mechanical stress, including wind, seismic activity, and installation forces. 4. Sealing System: Hermetic sealing prevents moisture ingress, ensuring long-term reliability. 5. Mounting: Suitable for wall or panel mounting, with flanges or fixing arrangements for secure installation. Applications - Transformers: Facilitates connections between transformers and switchgear. - Switchgear/Cubicles: Enables safe cable termination in indoor/outdoor installations. - Renewable Energy Systems: Used in wind or solar substations for high-voltage transitions. Standards and Testing The bushing complies with international standards such as IEC 60137 or IEEE C57.19.00, undergoing rigorous tests including: - Power Frequency & Lightning Impulse Withstand - Partial Discharge Testing - Temperature Rise Tests - Mechanical Load Tests Environmental Resilience - Pollution Resistance: Optimized creepage design for harsh environments. - Fire Resistance: Non-flammable materials enhance safety. - Temperature Range: Operates reliably in extreme temperatures (-40°C to +55°C). Installation & Maintenance Installation requires proper alignment and torque application to flange bolts. Periodic inspections for cracks, contamination, or seal degradation are recommended to ensure performance. Conclusion The TG2A-40.5-(395) 40.5kV Wall Bushing is a critical component for high-voltage applications, offering durability, safety, and compliance with industry standards. Its design ensures efficient power transmission while withstanding electrical, mechanical, and environmental challenges. (Word count: 500) --- This description avoids brand-specific references while detailing technical specifications, applications, and compliance. Let me know if further refinements are needed.