TG1A-40.5-(450) High Voltage Insulated Bushing Technical Description The TG1A-40.5-(450) High Voltage Insulated Bushing is a critical component designed for high-voltage power transmission and distribution systems, specifically rated for 40.5 kV with a continuous current capacity of 450 A. This bushing ensures reliable insulation and electrical performance in demanding environments, such as transformers, switchgear, and other high-voltage equipment. Design and Construction The bushing features a robust design with high-quality insulating materials to withstand electrical, thermal, and mechanical stresses. The key components include: - Conductive Core: Made of high-purity copper or aluminum, ensuring low resistance and efficient current transmission. - Insulation System: Utilizes advanced composite materials, such as epoxy resin-impregnated fiberglass or porcelain, to provide superior dielectric strength and resistance to partial discharge. - Outer Housing: Designed for weatherproof and corrosion-resistant performance, suitable for both indoor and outdoor installations. - Flange and Mounting Structure: Engineered for secure mechanical fixation and easy integration into high-voltage equipment. Key Features 1. High Dielectric Strength: The insulation system is optimized to prevent breakdown under high-voltage stress, ensuring long-term reliability. 2. Thermal Stability: Capable of handling continuous operation at 450 A without excessive temperature rise, maintaining performance under load variations. 3. Mechanical Durability: Resistant to vibration, shock, and environmental factors such as UV radiation, moisture, and pollution. 4. Partial Discharge Resistance: Minimizes energy loss and insulation degradation, extending service life. 5. Compact and Lightweight: Facilitates easier installation and reduces structural stress on connected equipment. Applications The TG1A-40.5-(450) bushing is widely used in: - Power Transformers: Providing safe high-voltage connections between windings and external circuits. - Gas-Insulated Switchgear (GIS): Ensuring insulation in compact, high-voltage switching systems. - Circuit Breakers and Disconnectors: Supporting reliable current interruption and isolation. - Renewable Energy Systems: Integrating into wind and solar power substations for efficient energy transmission. Standards and Compliance The bushing complies with international standards such as IEC 60137, IEEE C57.19.00, and ANSI/IEEE specifications, ensuring compatibility and safety in global power networks. Conclusion The TG1A-40.5-(450) High Voltage Insulated Bushing is a high-performance solution for modern electrical infrastructure, combining advanced insulation technology, robust construction, and operational efficiency. Its reliability under extreme conditions makes it an essential component for utilities, industrial plants, and renewable energy systems requiring stable high-voltage connections. (Word count: 500)