ZTELEC YUGUANG ELECTRIC supplied two sets of 30MVA/35MVA 35kV oil-immersed power transformers for a municipal water-treatment substation in Nigeria, built to the IEC 60076 international standard. The transformers serve as core power equipment for this critical infrastructure, keeping the water-treatment plant running reliably for the community it serves.
| Item | Detail |
|---|---|
| Product | 30MVA/35MVA 35kV Oil-Immersed Power Transformer |
| Quantity | 2 Sets |
| Standard | IEC 60076 |
| Configuration | OLTC, NGR, RTCC Control Cabinet |
| Location | Nigeria |
| Lead Time | 4 Months |
| Contract Signed | November 2025 |
| FAT Passed | April 2026 (DNV Witnessed) |
| Shipment Completed | July 2026 |
The scope centered on two 30MVA/35MVA 35kV power transformers, engineered to match Nigeria's local grid conditions and the operational needs of a municipal water-treatment plant.
Each unit came fitted with an on-load tap changer (OLTC), neutral grounding resistor (NGR), and RTCC control cabinet — giving the operator full voltage regulation and remote monitoring from day one of commissioning.
Project communication started with online technical meetings between the client and the ZTELEC YUGUANG ELECTRIC engineering team. Together they confirmed electrical parameters and revised drawings to fit Nigeria's grid conditions and the plant's specific requirements.
After several rounds of alignment on winding configuration, cooling class, and protection accessories, the formal contract was signed and manufacturing began.
Both units passed a third-party DNV factory acceptance test (FAT) under witnessed inspection. Winding resistance, ratio, impedance, and insulation withstand values all met IEC 60076 and the project's technical specification.
Full shipment was completed with a complete documentation package — AutoCAD as-built drawings, factory test reports, and operation and maintenance manuals — delivered alongside the equipment to support installation and long-term maintenance on site.
The two 35kV power transformers now support a key municipal water-treatment facility with stable, reliable power — directly contributing to consistent water treatment operations for the surrounding community.
Authorized third-party DNV witness FAT testing gave the client and end utility independent verification of product quality before shipment.
A full set of AutoCAD as-built drawings, test reports, and operation manuals shipped with the equipment, simplifying overseas commissioning and reducing ongoing maintenance complexity for the local team.
Despite the technical complexity of adapting the design to local grid conditions, both units were manufactured and delivered on schedule within the agreed 4-month lead time following drawing freeze.
ZTELEC YUGUANG ELECTRIC delivers custom-built power transformers complying with IEC and ANSI standards for substation, water treatment, mining, and industrial projects worldwide.
Every project supports third-party inspection and witnessed testing, and ships with a complete set of technical documentation to keep installation, commissioning, and long-term maintenance straightforward for the client's on-site team.
ZTELEC Yuguang Electric Technology, founded in 2014, builds on state-owned industrial expertise to deliver reliable power solutions worldwide.
Copyright © 2026.ztygelectric All rights reserved.