Hot-selling productsAn enterprise specializing in the production of high and low
voltage complete sets of power transmission and distribution equipment

As the demand for reliable and efficient power distribution systems continues to grow, particularly in regions like the Middle East, the selection of the right switchgear becomes crucial. Gas Insulated Switchgear (GIS) has emerged as a preferred solution for areas characterized by extreme temperatures and high corrosion levels, such as desert environments. This article explores how to choose the most suitable GIS for these challenging conditions and highlights the innovations we at Derui Electric have implemented to meet the specific needs of the Middle East.

     Derui drop-out fuses are mainly applied in 10kV-35kV distribution network lines, high-voltage sides of distribution transformers, and cable branch points. Their core functions include short-circuit protection, overload protection and line section control, which are suitable for complex working conditions such as outdoor open-air sites, high-temperature and rainy areas.

     In African power infrastructure projects, Schneider SM6 ring main units are widely recognized for the brand’s strong influence, yet their high costs and long delivery cycles have limited their large-scale application. As a high-quality domestic alternative, Derui’s semi-insulated RMU series is analyzed in detail through a three-dimensional comparison with the Schneider SM6 as follows:

    Derui Single-Phase Oil Transformeris a compact core power distribution equipment with a barrel-type sealed structure and excellent insulation protection performance. It is suitable for outdoor/narrow power distribution scenarios, featuring low loss, strong short-circuit resistance, convenient installation, operation and maintenance, and wide voltage grade adaptability. It provides a stable and reliable power conversion solution for power grid distribution.

Derui Electric's oil-immersed transformers use high-quality insulating oil as the cooling medium, boasting excellent heat dissipation, strong overload capacity, and low failure rate. With a compact structure and customizable options, providing safe and stable power transmission and distribution solutions for industrial production, municipal supporting facilities, power transmission, and other scenarios, helping users reduce operation and maintenance costs.

Derui dry-type transformers adopt epoxy resin vacuum casting technology, with insulation class of F/H and customizable protection class. Selected high magnetic permeability iron cores are used to achieve first-class energy efficiency, featuring energy saving and low noise. The oil-free design ensures safe operation and easy maintenance. Suitable for voltage classes ranging from 3kV to 35kV, these transformers are widely applied in industrial production, urban infrastructure construction and other scenarios.

A transformer is a static electrical device operating on the principle of electromagnetic induction. Its primary functions are to convert alternating current (AC) voltage and current, achieve electrical isolation, and transmit electrical energy efficiently. As a core equipment in the power transmission and distribution segment, transformers are also widely used in industrial production, electronic appliances, and other fields.