Project Overview

The Jinan Qilu Avenue North Extension 220kV Shaomei & Shaoqing Line Yellow River Power Relocation Project is a significant power infrastructure initiative designed to support ongoing urban development and ensure reliable electricity transmission in Jinan, Shandong Province, China. The project involves the relocation and reconstruction of high-voltage transmission lines across the Yellow River, addressing both technical and environmental considerations to enable safe and efficient power delivery.

Key Project Highlights

• Voltage Level: 220kV

• Transmission Lines: Shaomei Line & Shaoqing Line

• Major River Crossing: Yellow River

• Tower Type: Four-Legged Tubular Steel Towers

This project supports the enhancement of regional transmission capacity, facilitates urban infrastructure expansion, and contributes to the safe and steady operation of the local power grid.

Construction Plan & Execution

1. Route Planning & Site Analysis

Crossing the Yellow River presented unique geological and hydrological conditions, which were addressed through:

• Detailed topographical and hydrological investigations to support tower placement and foundation design

• Wind load and flood impact assessments to guide structural reinforcement

• Environmental evaluations to mitigate potential impacts on surrounding ecosystems

Geographic Information System (GIS) modeling tools were used to refine the transmission route and minimize interference with existing facilities and natural features.

2. Tower Construction & Foundation Engineering

Four-legged tubular steel towers were selected based on structural and environmental requirements. Key characteristics include:

• Robust mechanical performance to address potential erosion and external loading

• Aerodynamic design to reduce wind-induced oscillations

• Corrosion-resistant coatings to improve performance in humid and river-adjacent environments

Tower foundations were adapted to site-specific soil and water conditions:

• Deep-pile foundations in areas with low bearing capacity

• Reinforced concrete bases to meet structural loading needs

• Scour protection measures to reduce the risk of foundation degradation from water flow

Helicopter-assisted installation was adopted where access was limited, supporting safer and more efficient construction.

3. Conductor Installation & Line Relocation

To ensure reliable and efficient transmission, the project adopted:

• Aluminum alloy conductors with favorable conductivity and mechanical performance

• Composite insulators with enhanced resistance to weather and contamination

• Electromagnetic shielding solutions to reduce environmental and technical interference

Precision stringing techniques helped maintain conductor alignment and reduced transmission losses.

4. Grid Integration

Following relocation, the transmission lines were integrated into the Jinan regional grid through:

• Advanced protection systems to support voltage regulation and system safety

• Reactive power compensation for improved power quality

• Real-time monitoring tools to enhance operational awareness and response capabilities

This integration helps reinforce grid flexibility and aligns with broader urban development objectives in the area.

Design & Technical Services

1. System Analysis & Grid Optimization

Design and technical services included:

• Load flow analysis to improve transmission efficiency

• Electromagnetic field evaluations in line with safety and environmental standards

• Voltage simulation studies to support system stability

2. Smart Grid & Automation Solutions

Digital technologies were incorporated to enhance control and reliability:

• SCADA (Supervisory Control and Data Acquisition) systems for centralized monitoring

• Predictive maintenance tools for early issue detection

• Automated protection systems to support continuous and secure operation

3. Environmental & Safety Measures

To promote sustainability and safety, the following practices were implemented:

• Low-noise design features to limit impact on nearby communities

• Environmentally considerate construction methods to help protect the Yellow River ecosystem

• Safety improvements such as enhanced grounding and lightning protection systems

After-Sales Service & Maintenance

1. Routine Inspection & Preventive Maintenance

We offer service plans focused on long-term performance, including:

• Aerial and on-ground inspections using drones and thermal imaging

• Mechanical and electrical testing of tower and conductor systems

• Corrosion monitoring and maintenance programs

2. Emergency Response & Grid Support

A dedicated team is available to respond to:

• Adverse weather conditions such as storms, floods, or extreme temperatures

• Line faults caused by environmental or mechanical factors

• Cybersecurity risks and unexpected grid disturbances

3. Scalability & System Upgrades

To support evolving grid needs, we provide:

• Upgrade paths for transmission capacity and equipment performance

• Integration options for renewable energy sources

• Digital control and AI-based tools for system optimization

4. Training & Technical Support

Ongoing technical assistance includes:

• On-site and remote training sessions for operational teams

• Expert-led workshops on high-voltage system operation and maintenance

• Digital platforms for continued technical engagement and support

Conclusion

The Jinan Qilu Avenue North Extension 220kV Shaomei & Shaoqing Line Yellow River Power Relocation Project plays a key role in adapting the regional power grid to urban expansion and infrastructure upgrades. Through thoughtful engineering, modern technologies, and tailored maintenance strategies, the project contributes to a more resilient and adaptable transmission network.

For further information about high-voltage transmission engineering, grid integration, or technical consultation, please feel free to contact us.