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Explore Dingxin’s YBM-29 European-style box substation for Italy—a compact, safe, and movable prefabricated solution integrating HV, transformer, and LV equipment.
Dingxin supplied YBM-29 high-voltage/low-voltage prefabricated substation for a power-distribution project in Italy. Commonly known as a European-style box substation, the system integrates high-voltage equipment, a power transformer, and low-voltage distribution equipment within one compact outdoor enclosure.
The integrated design provides a reliable alternative to a conventional site-built substation. Its small footprint, modular structure, attractive appearance, and convenient installation make it particularly suitable for locations where space, safety, and visual integration are important.

The Italy project required a compact power-distribution solution that could be manufactured and tested before delivery, installed efficiently, and operated safely within the specified environmental conditions.
The primary objectives included:
Dingxin selected the YBM-29 European-style prefabricated substation for the project. The system combines three principal functional sections:
The coordinated design simplifies the electrical interface between the different sections and reduces the need for extensive on-site wiring.
Depending on the project requirements, the substation can integrate:
One of the principal advantages of the YBM-29 substation is its compact construction. By housing multiple functions within a single enclosure, the unit occupies considerably less space than a traditional open substation.
Its modular construction also makes the equipment easier to transport and relocate when project conditions change. Once the foundation, earthing system, and cable connections have been prepared, the substation can be positioned and connected with limited site work.
This approach provides several benefits:
The internal compartment layout separates high-voltage, transformer, and low-voltage equipment. This functional separation improves operating safety and allows maintenance personnel to access the relevant section without unnecessarily exposing other equipment.
The substation can be equipped with protection features such as:
The final protection configuration is selected according to the project’s network design and approved technical specification.
For projects in urban or publicly visible areas, appearance can be almost as important as technical performance. The YBM-29 enclosure can be customized in terms of dimensions, surface finish, color, door arrangement, roof design, and ventilation layout.
This allows the substation to coordinate more effectively with its surrounding architecture and landscape while maintaining the necessary electrical clearances, ventilation, and maintenance access.
The prefabricated substation is designed for operation under the following regular service conditions:
| Operating parameter | Specified condition |
|---|---|
| Installation type | Outdoor |
| Maximum altitude | ≤1,000m |
| Minimum ambient temperature | −30°C |
| Maximum ambient temperature | +40°C |
| Maximum relative humidity | ≤90% at +25°C |
The installation location should be free from fire hazards, explosive atmospheres, severe pollution, chemically corrosive gases, and violent vibration.
If the actual site conditions exceed these limits, the customer and Dingxin should jointly evaluate the required design adjustments before manufacturing. These adjustments may include enhanced insulation, specialized ventilation, anti-condensation measures, corrosion protection, seismic reinforcement, or altitude correction.
Outdoor equipment must remain protected from rain, dust, humidity, sunlight, and temperature changes. Dingxin therefore considers enclosure sealing, ventilation, drainage, surface treatment, and internal temperature control during the design process.
Available protective measures include:
The exact enclosure protection level is determined by the installation environment and project specification.
The YBM-29 European-style box substation is suitable for many types of power-distribution projects, including:
Its compact design makes it especially useful where conventional substations would occupy too much land or require excessive construction work.
The substation was assembled under controlled factory conditions. Dingxin coordinated enclosure fabrication, transformer installation, switchgear assembly, internal wiring, busbar connection, earthing, ventilation, and auxiliary systems.
Before delivery, the applicable inspection and testing procedures may include:
These procedures help verify that the assembled equipment satisfies the approved project requirements before shipment.
The Dingxin YBM-29 European box substation provides the Italy project with a compact, integrated, and dependable power-distribution solution.
Factory assembly helped reduce on-site construction and commissioning work, while the modular enclosure created a clean appearance suitable for installation in developed environments. The compartmentalized structure, coordinated protection system, and environmental safeguards support safe long-term operation.
The project solution delivers:
Dingxin provides comprehensive substation services covering technical consultation, system design, transformer manufacturing, switchgear integration, enclosure fabrication, factory testing, delivery, installation guidance, and after-sales support.
Through the YBM-29 European-style prefabricated substation platform, Dingxin delivers compact and adaptable power-distribution solutions for international projects that demand reliability, safety, installation efficiency, and a professional exterior design.
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