Successful Case
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11kV / 33kV Compact Substation EPC Project in Cameroon – Turnkey Power Distribution Solution by TNNPI
Case Detail
Project Overview
This project is located in Cameroon / Yaoundé, serving a industrial park.
The client required a reliable medium-voltage power distribution system with the following requirements:
- Stable power supply from 11kV / 33kV to 0.4kV
- High adaptability to hot, humid, and dusty environments
- Compact design with fast installation and commissioning
- Integrated solution including transformer and switchgear
Henan New Electric Power Co., Ltd. provided a complete turnkey compact substation solution covering design, manufacturing, and technical support.
Scope of Supply
The complete system includes:
- 11kV / 33kV Compact Substation (Prefabricated Substation)
- Oil-immersed / Dry Type Power Transformer ([3150kVA])
- MV Switchgear (RMU / SF6 / Vacuum Circuit Breaker)
- Low Voltage Distribution Panel (LV Panel)
- Protection & Metering System
- Outdoor Enclosure (IP54 / IP55 protection)
Technical Solution Highlights
- Integrated Design: Transformer + MV switchgear + LV distribution in one system
- Fast Deployment: Factory pre-assembled, on-site installation only required foundation work
- High Environmental Adaptability: Suitable for Africa, Southeast Asia, Middle East conditions
- Flexible Voltage Options: 11kV / 13.8kV / 22kV / 33kV available
- High Safety Level: Multiple protection systems (overload, short circuit, temperature protection)
Project Execution Process
- Electrical design confirmation and single-line diagram approval
- Factory manufacturing and routine tests (FAT)
- Containerized shipment to destination port
- On-site installation guidance and commissioning support
- Successful grid connection and operation
Project Results
- Installation time reduced by approximately 30%
- Stable and reliable operation under continuous load
- Improved power supply reliability for end users
- Follow-up orders for expansion projects received
Customer Feedback
The client highly appreciated the integration level, installation efficiency, and stable performance of the system, and confirmed further cooperation for future power expansion projects.
