Products

Both the S11 and S13 series are common types of oil-immersed transformers. While they are fundamentally similar in terms of structural form, application scenarios, and operational modes, they exhibit distinct differences regarding no-load losses, energy efficiency ratings, procurement costs, and priorities for long-term operation. S13 oil-immersed transformers typically feature lower no-load losses and superior energy-saving performance, making them better suited for projects with stringent energy efficiency requirements. In contrast, S11 oil-immersed transformers—thanks to their mature technology, lower procurement costs, robust operational stability, and well-established maintenance support—remain widely deployed today across mines, ports, metallurgy facilities, industrial parks, and large-scale infrastructure projects. For industrial projects, the decision of whether to select an S11 or an S13 transformer depends not merely on which model is "more advanced," but rather on the specific operational environment, load characteristics, budget, and long-term operational requirements of the project itself.

The S11 oil-immersed transformer is widely utilized in mining and industrial projects due to its ability to provide stable power distribution, low energy consumption, robust overload capacity, and reliable long-term operational performance—even in harsh environments. Compared to dry-type transformers, the S11 model features superior heat dissipation capabilities and demonstrates greater adaptability to dusty, humid, and outdoor operating conditions, making it particularly well-suited for applications within the heavy industrial sector.