Prefabricated Substation – European Style
Safe and Reliable: The packaged substations are equipped with comprehensive electrical protection features, including overloading, short-circuit, and grounding protections. The transformers themselves come with non-electrical protections such as temperature, oil level, pressure, and gas monitoring. Moreover, the equipment can be monitored in real time from the background system and remotely operated from the control center, ensuring continuous and safe operation at all times. High Integration: The entire system is pre-fabricated and fully integrated and tested at the factory before being delivered to the site as a complete unit. On-site, all that’s required is connecting the high- and low-voltage cables and control/communication cables to put the system into operation—thus significantly reducing on-site work and boosting construction efficiency. Energy-Efficient and Environmentally Friendly: The transformers are made from energy-saving and environmentally friendly materials, and their design has been optimized to minimize no-load losses and enhance operational efficiency, meeting national energy-saving standards. Additionally, an advanced cooling system is employed to lower operating temperatures, improve heat dissipation efficiency, and reduce energy losses. Flexible Configuration: Whether it’s a photovoltaic power generation or wind power project, we can provide tailored packaged substation solutions. Based on the specific site conditions and project requirements, we’ll rationally configure the substation’s capacity, incoming and outgoing cable connections, and enclosure protection levels to meet the unique needs of each site.
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Detailed description
The European-style prefabricated substation is a compact, fully assembled unit that integrates high-voltage switchgear, dry-type or oil-immersed transformers, low-voltage switchgear, measurement and control systems, UPS backup power supplies, control transformers, protective and measuring devices, and indicating instruments—all housed within an enclosure boasting a high degree of protection. The substation features no external exposed components, with separate, independent compartments for the high-voltage room, low-voltage room, and transformer room. The transformer employs air-cooling for heat dissipation, making it an all-in-one outdoor substation equipment. It boasts characteristics such as high safety and reliability, advanced integration, energy efficiency and environmental friendliness, intelligent monitoring and management, and flexible configuration options. This substation is particularly suitable for photovoltaic and wind power generation sites where project environments have special requirements for the equipment. Common capacities for dry-type transformers rated at 35 kV and below include 1,600 kVA, 2,000 kVA, 2,500 kVA, 3,150 kVA, 4,000 kVA, 5,500 kVA, 6,900 kVA, 7,400 kVA, and can be configured up to a maximum capacity of 12,500 kVA.
| Enclosure protection rating |
IP54 |
| Rated capacity |
1000 kVA ~ 5500 kVA (10 kV), 1000 kVA ~ 12500 kVA (35 kV) |
| High-voltage rated voltage |
10 kV, 35 kV |
| Low-voltage rated voltage |
0.8 kV, 1.14 kV |
| Heat resistance rating |
F and H classes |
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