The TG7-15 15KV High Voltage wall bushing is an advanced epoxy resin-based electrical insulation solution designed for medium to high-voltage switchgear applications. Engineered to deliver exceptional dielectric strength, mechanical durability, and thermal stability, this bushing ensures safe and reliable operation in electrical cabinets across industrial, utility, and renewable energy sectors.

This comprehensive guide provides in-depth insights on technical advantages, maintenance procedures, transportation requirements, and operational tips, enabling engineers, technicians, and procurement specialists to maximize performance and extend the service life of the product.

Product Overview

The TG7-15 bushing serves as a critical component for safe conductor passage and insulation within high-voltage switchgear. Its robust design allows for long-term performance under extreme conditions, maintaining operational safety and energy efficiency.

Key Specifications:

Technical Advantages

1. Superior Electrical Insulation

• Provides excellent dielectric properties to prevent insulation failure.

• Reduces the risk of short circuits or electrical faults in high-voltage systems.

2. Mechanical Durability

• Resistant to vibrations, shocks, and thermal cycles.

• Maintains integrity during transportation and operational stress.

3. Thermal Stability

• Effectively dissipates heat generated by nominal currents.

• Supports continuous operation in harsh environmental conditions.

4. Compact Design

• Standardized dimensions allow integration into various switchgear cabinets.

• Facilitates retrofitting or replacement without major modifications.

5. Environmental Compliance

• RoHS-certified epoxy resin ensures sustainability and safe disposal.

• Minimizes environmental impact throughout the product lifecycle.

Operational Tips

Proper operation ensures optimal performance and long-term reliability of the TG7-15 bushing.

Pre-Operation Checklist

• Verify that the bushing is free from cracks or surface defects.

• Confirm mounting hardware and tools are available.

• Ensure power is fully disconnected before installation.

Operation Guidelines

1. Align bushing with switchgear wall opening.

2. Secure mounting bolts according to recommended torque specifications.

3. Connect busbars ensuring tight and secure contacts.

4. Conduct dielectric and thermal testing before energizing.

5. Monitor temperature and operational performance during initial load periods.

Best Practices

• Avoid over-tightening bolts to prevent epoxy resin damage.

• Ensure sufficient ventilation around the bushing.

• Do not exceed nominal current ratings.

• Regularly inspect for dust, moisture, or contamination.

Maintenance and Care

Routine maintenance is crucial for safety, reliability, and prolonged service life.

Visual Inspection

• Check for cracks, discoloration, or surface damage.

• Inspect mounting bolts and busbar connections.

Cleaning

• Remove dust using soft brushes or compressed air.

• Avoid harsh chemicals or abrasive cleaning methods.

Functional Testing

• Conduct insulation resistance testing using a megohmmeter.

• Monitor temperature rise during operational load.

• Listen for unusual noises or signs of partial discharge.

Transportation Requirements

Proper handling and shipping are essential to prevent damage to the bushing.

Packaging

• Use shock-resistant crates with foam or cushioning materials.

• Avoid exposure to moisture, dust, or direct sunlight during storage and transport.

Handling

• Use lifting straps or padded supports for safe handling.

• Avoid dropping or subjecting the bushing to mechanical shock.

Storage

• Store in a dry, ventilated area.

• Maintain temperature range between -40°C and +50°C during storage.

Common Issues and Troubleshooting

Warranty and Quality Assurance

Warranty Coverage

• Standard Warranty: 24 months from delivery.

• Coverage: Manufacturing defects, material failures, and dielectric performance.

• Exclusions: Misuse, overload, improper installation, or accidental damage.

Quality Assurance

• Each bushing undergoes dielectric, thermal, and mechanical testing before shipment.

• Ensures compliance with IEC 62271 and other international standards.

• Provides reliable and consistent high-voltage insulation performance.

User Feedback

• Industrial Plants: Reliable under continuous high-voltage operation.

• Utility Companies: Appreciate mechanical and thermal durability.

• Renewable Energy Installations: Compact dimensions simplify installation.

Testimonial:
"TG7-15 bushing delivers exceptional electrical insulation and mechanical stability, making it ideal for high-voltage switchgear cabinets in demanding industrial environments." – Senior Electrical Engineer, Utility Sector

Environmental Compliance

• RoHS-certified epoxy resin ensures safety and eco-friendliness.

• Long service life reduces replacement frequency, minimizing environmental impact.

• Manufactured using energy-efficient processes.

The TG7-15 15KV High Voltage Wall Bushing Epoxy Resin Electrical Insulation provides:

• Exceptional dielectric strength and mechanical durability

• Simplified installation and maintenance procedures

• Safe handling and transportation with proper packaging

• Environmental compliance and long-term reliability

Ideal for industrial, utility, and renewable energy applications, this bushing ensures safe, efficient, and long-lasting high-voltage operation.