Solutions

Solutions

20 August, 2026

Single-phase transformer selection guide for rural electrification projects in Africa: reducing investment costs and improving end-point power supply reliability

Before we get into this topic, let me ask you a question first. In many rural electrification projects in Africa, choosing between single-phase and three-phase distribution transformers directly affects project...

2 4000kva oil immersed transformer africa industrial project

Solutions

18 August, 2026

Electricity prices in Africa have gone up again. Have you calculated how much money is wasted annually if a transformer’s efficiency drops by 1%?

Zisheng Electric has been involved in transformer projects in Africa for several years, with extensive experience in power distribution systems. Over these years of visiting project sites, I have noticed...

5 transformer insulation test high voltage equipment

Solutions

17 August, 2026

Transformer factory testing process: from raw materials to delivery

In actual projects, many problems can already be identified during the factory FAT (Factory Acceptance Test) stage. Once abnormal test data appears, immediate corrective action can usually be taken without...