**News Summary**: In early September, Ningbo Tian’an completed delivery for a strategic long‑term customer in Zambia. One large‑capacity high‑voltage main transformer, model SFZ‑20000/132 kV, was fully assembled and shipped to support a key local power grid upgrade project. This repeat order, built on the reputation earned from previous projects, fully validates the adaptability of Tian’an high‑voltage transformers to Africa’s high‑temperature, dust‑laden operating conditions and volatile power grids. A complete international delivery cycle has been established covering product performance, factory acceptance testing and ocean‑going logistics.

In early September, the SFZ‑20000/132 kV high‑voltage main power transformer passed a full set of factory acceptance tests and was dispatched from Ningbo to Zambia for a local priority grid‑upgrade project. Placed by Tian’an’s long‑term strategic partner, this repeat purchase stands as solid recognition of the equipment’s in‑service performance and end‑to‑end delivery services.

Power projects in Africa place rigorous demands on equipment’s real‑world operational adaptability. Zambia features large diurnal temperature swings and heavy dust. Its power grid is subject to substantial load fluctuations and transient voltage surges, which impose high requirements on main transformers in terms of weather resistance, surge withstand capability and operational cost‑efficiency. The delivered transformer has a rated capacity of 20 000 kVA and a voltage class of 132 kV. It performs step‑up and step‑down transformation and power transmission for the regional grid, securing reliable power supply for local industries and municipal utilities.

Targeted Condition‑Specific Optimizations for Zambian Site Requirements

This transformer is not an off‑the‑shelf standard unit. It incorporates targeted improvements addressing pain points specific to the Zambian operating environment:

 -Energy‑saving performance**: Low‑loss core and optimized winding technology reduce no‑load losses and operational noise, lowering total‑lifecycle energy costs.
 -Resilience against grid disturbances**: Reinforced insulation and short‑circuit‑resistant construction improve tolerance to voltage surges and minimize unplanned outages triggered by grid volatility.
 -Outdoor environmental protection**: Fully‑sealed anti‑corrosion oil tank with precision‑welded joints delivers rust resistance, leak‑proofing and moisture resistance, suited for open‑air exposure to sand, intense sunlight and humid conditions.
 -On‑load tap‑changing capability**: Tap‑changing under load copes with wide‑range load variations and stabilizes output power quality.
 -Overseas‑operation‑friendly design**: Compact overall layout and standardized spare‑part selection simplify on‑site erection and commissioning to mitigate constraints caused by limited local maintenance manpower.

Standardized Delivery Controls for Safe Overseas Shipment

Manufacturing complies with GB national standards, IEC international standards and project‑specific technical specifications. A full suite of tests, including withstand‑voltage, partial‑discharge, loss, insulation and mechanical‑performance tests, is completed before shipment. For long‑haul ocean transportation, reinforced packaging is implemented with dedicated moisture‑proof, shock‑proof and rust‑proof protection. Full logistical traceability is provided to guarantee intact arrival at the project site.

With years of market presence across Africa, Tian’an firmly believes that customer trust ultimately stems from consistent long‑term equipment performance. Beyond product supply, Tian’an addresses real‑world challenges of overseas projects by integrating site‑condition adaptation, factory‑floor quality control, ocean‑going protection and maintainability‑oriented design into holistic delivery solutions.

The on‑schedule delivery of this 132 kV main transformer marks another milestone of trust from international clients. Guided by real‑world application scenarios, Ningbo Tian’an will keep focusing on R&D and manufacturing of highly‑reliable, low‑energy‑consumption and easy‑to‑maintain power equipment. Leveraging solid product strength and proven delivery credibility, the company will continue supporting power‑grid modernization across Africa.