ACFR – A Solution for 110kV Power Grids
1. Background and Demand
The increasing demand for electricity to enhance the quality of life and support national economic development has placed significant responsibility on the power sector under urgent government directives.
Currently, Northern Power Corporation operates a large number of 110kV transmission lines that were installed many years ago. These existing lines are no longer adequate to meet the growing electricity demand from residential consumption and industrial/commercial activities.
2. Key Challenges
The main challenges faced by Northern Power Corporation include:
- Increasing the current-carrying capacity of existing transmission lines
- Retaining the existing tower infrastructure
- Ensuring operational safety and economic efficiency
3. Solution Approach
To address these challenges, Northern Power Corporation has collaborated with cable manufacturers to research and implement suitable technical solutions.
Recognizing this demand, Kevin Vietnam Power Cable Co., Ltd., a manufacturer and supplier of transmission line conductors, has partnered with the corporation to propose an uprating solution for the existing 110kV network.
4. Proposed Solution
The proposed solution is the application of:
HIGH-TEMPERATURE LOW-SAG CARBON CORE CONDUCTOR (ACFR)
This advanced conductor technology effectively enhances transmission capacity without requiring modifications to the existing tower structures.
5. Key Benefits
The solution delivers outstanding performance improvements:
- Up to 2 times increase in current-carrying capacity compared to conventional conductors
- Reduction of line losses by 30%–40%
- Lower sag characteristics, ensuring improved safety and reliability
- No need for tower replacement, minimizing capital expenditure
6. Conclusion
The ACFR conductor solution provided by Kevin Vietnam Power Cable Co., Ltd. is an optimal approach for uprating existing 110kV transmission lines, enabling:
- Accommodation of increasing load demand
- Enhanced system efficiency and reliability
- Optimized investment costs and implementation time
