220kV Sounding Sand Bay - Guosanliang Transmission Line I & II Project

Project Overview

The 220kV Sounding Sand Bay - Guosanliang Transmission Line I & II Project is a crucial high-voltage power transmission project designed to enhance regional grid reliability and efficiency. The project plays a key role in supporting energy distribution, industrial growth, and sustainable power supply in the region.

Key Project Highlights
• Total Line Length: 53.606 km
• Voltage Level: 220kV
• Number of New Steel Towers: 144
• Transmission Circuits: Dual-circuit system for enhanced capacity and reliability

This project is essential in ensuring a stable power supply, reducing transmission losses, and improving the connectivity of regional substations.
Construction Plan & Execution

1. Route Planning & Site Analysis

The transmission line traverses a diverse landscape, including desert terrain, hilly regions, and open plains, requiring:
• Detailed topographical surveys to optimize tower placement.
• Wind load and sandstorm impact assessments to enhance structural resilience.
• Environmental impact studies to ensure minimal disruption to the ecosystem.

Advanced GIS (Geographic Information System) modeling was employed to design the optimal transmission route, balancing efficiency, environmental considerations, and land use.
2. Tower Construction & Foundation Engineering

The project involves the construction of 144 steel lattice towers, specifically designed for high-voltage transmission in extreme conditions. Features include:
• High-strength steel structure for superior load-bearing capacity.
• Anti-corrosion coatings to withstand harsh environmental conditions.
• Aerodynamic design to reduce wind resistance and enhance stability.

Foundation designs were adapted based on soil conditions:
• Deep pile foundations in sandy and unstable areas.
• Reinforced concrete bases in rocky terrain.
• Anchored foundations for stability in high-wind zones.

To minimize construction impact, helicopter-assisted tower erection was used in remote areas, improving efficiency and safety.
3. Conductor Installation & Stringing

The transmission line employs advanced high-efficiency conductors and insulators, ensuring:
• Reduced energy loss through low-resistance aluminum alloy conductors.
• High mechanical strength and thermal stability for long-term performance.
• Weather-resistant composite insulators for enhanced durability.

Tension stringing techniques were implemented to achieve precise conductor alignment, optimizing electric field distribution and minimizing transmission losses.
4. Grid Integration & System Performance

The transmission line is seamlessly integrated into the regional power grid, ensuring:
• Improved voltage regulation through advanced power control systems.
• Reactive power compensation to enhance grid efficiency.
• Smart monitoring and automation for real-time system adjustments.

State-of-the-art protection and relay systems are incorporated to prevent faults, enhance power quality, and improve system stability.
Design & Technical Services

1. Power System Analysis & Grid Optimization

Comprehensive engineering studies were conducted, including:
• Load flow simulations to optimize energy distribution.
• Electromagnetic field assessments to ensure regulatory compliance.
• Voltage fluctuation analysis to maintain a stable power supply.

2. Smart Grid & Digital Monitoring Solutions

The project integrates modern smart grid technologies, including:
• SCADA (Supervisory Control and Data Acquisition) systems for remote monitoring.
• IoT-enabled sensors for predictive maintenance and real-time diagnostics.
• AI-driven fault detection to prevent outages and improve grid reliability.

3. Environmental & Safety Compliance

To ensure sustainability and compliance, the project includes:
• Low-noise transmission technology to minimize impact on surrounding communities.
• Dust and sandstorm protection measures to maintain line performance.
• Wildlife protection solutions, including avian flight diverters to reduce bird collisions.
After-Sales Service & Maintenance

1. Routine Inspection & Preventive Maintenance

To ensure long-term operational efficiency, we offer:
• Drone-based transmission line inspections for fast and accurate assessments.
• Periodic tower integrity checks to identify potential structural issues.
• Conductor tension and insulation performance testing for consistent power delivery.

2. Emergency Response & Grid Security

A 24/7 emergency response team is in place to handle:
• Weather-related damage, including sandstorms and extreme heat.
• Transmission line faults or unexpected power fluctuations.
• Cybersecurity threats and operational anomalies.

3. Future Expansion & Upgrades

To meet growing power demands, we offer:
• Capacity expansion services through conductor and transformer upgrades.
• Integration with renewable energy sources, such as solar and wind power.
• Hybrid AC/DC solutions for improved long-distance transmission efficiency.

4. Training & Technical Support

We provide:
• On-site and online training for power grid operators.
• Workshops on high-voltage system maintenance and fault troubleshooting.
• Ongoing technical consultation to support grid modernization initiatives.

The 220kV Sounding Sand Bay - Guosanliang Transmission Line I & II Project is a critical infrastructure upgrade, ensuring stable, high-efficiency power transmission to support regional industrial and economic development.

By leveraging advanced engineering solutions, smart grid technologies, and comprehensive maintenance services, we deliver a high-performance, resilient transmission network that meets the demands of modern energy systems.

For inquiries regarding power transmission projects, substation solutions, or technical support, please contact us today!