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China Suppliers Factory Prefabricated 35kV Outdoor Substation for Wind Power with Corrosion-Resistant Design
Products Description
1. The floor area has been reduced by 80% - 90%:
Compared to conventional civil engineering substations that require separate buildings and spacious layouts, the YB-12 box-type transformer of the same capacity level requires only 1/10 to 1/5 of the floor area. This means that in urban centers, commercial complexes, or high-density residential areas where land resources are increasingly scarce, you can deploy a complete power distribution system in a space the size of a parking lot. This revolutionary improvement in space utilization efficiency directly translates into significant cost savings in land use and greater planning flexibility.
2. Wide applicability and adaptability:
From high-rise building complexes in urban core areas, upscale residential communities, to emerging high-tech industrial parks; from rural and urban power grid renovation projects to small and medium-sized industrial and mining enterprises, even temporary construction sites and sports venues for short-term power usage, YB-12 can provide matching power supply solutions for all these scenarios. Its compact design makes it easy to be flexibly deployed in various complex environments.
3. Significant optimization of the entire construction cost:
The prefabrication of the factory enables a reduction of over 70% in on-site construction volume. Users do not need to undertake complex substation design; they only need to provide a flat foundation, significantly simplifying the design process. The construction period can be shortened from the traditional 3-6 months to 2-4 weeks, significantly reducing labor, management, and financial costs. This "rapid deployment" capability is particularly suitable for commercial projects with tight schedules or emergency power supply requirements.
4. Modular Integration & Seamless Connection:
This modular integration not only achieves seamless connection between devices, but also clearly separates the functional areas (high-voltage room, transformer room, low-voltage room) through a scientific layout. While ensuring the safe operating distance, it minimizes the overall volume to the greatest extent. Each unit has completed internal connections and tests before leaving the factory, truly realizing the advanced concept of "substation as a product".
Product Specifications
| Name | Unit | High-voltage electrical cabinet | Transformer | Low-voltage electrical cabinet |
| nominal voltage | KV | 10 | 10/0.4 | 0.4 |
| rated current | A | 630 | 100~2500 | |
| rated frequency | Hz | 50 | 50 | 50 |
| rated capacity | KVA | 100~1250 | ||
| Rated thermal stability current | kA | 20/4S | 30/15 | |
| Rated dynamic stable current (peak) | kA | 50 | 63 | |
| Rated closing short-circuit current (peak) | kA | 50 | 15~30 | |
| Rated breaking short-circuit current | kA | 31.5 | ||
| Rated starting load current | A | 630 | ||
| lmin power frequency withstand voltage | kA | Intergranular 42 fracture surfaces between 48 layers | 35/28(5min) | 20/2.5 |
| lightning impulse withstand voltage | kA | Intergranular 42 fracture surfaces between 48 layers | 75 | |
| Shell protection grade | IP23 | IP23 | IP23 | |
| Noise level | dB | Oil transformer<55、 Dry transformer≤65 |
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| loop number | amount | 1~6 | 4~30 | |
| Maximum reactive power compensation on the low-voltage side | kvar | 300 |
Detail Pictures
Frequently Asked Questions (FAQ)
How much space does the YB-12 box-type transformer save compared to traditional substations?
The YB-12 box-type transformer reduces the required floor area by 80% to 90%. It only needs 1/10 to 1/5 of the space compared to conventional civil engineering substations of the same capacity, making it ideal for high-density urban areas.
What are the primary applications of the YB-12 box-type transformer?
It is widely used in high-rise building complexes, upscale residential communities, high-tech industrial parks, rural and urban power grid renovations, small/medium industrial and mining enterprises, temporary construction sites, and sports venues.
How does the factory prefabrication benefit the overall construction timeline?
Factory prefabrication reduces on-site construction volume by over 70%. This shortens the installation and deployment period from the traditional 3-6 months down to just 2-4 weeks, significantly saving labor and management costs.
What is the protection rating and noise level of the YB-12 substation?
The shell protection grade is IP23 for all compartments. The noise level is kept extremely low, with oil transformers operating under 55 dB and dry transformers at or below 65 dB.
Are the internal connections tested before shipping?
Yes, each modular unit has completed all internal connections and strict functional tests before leaving the factory, ensuring safety and a true plug-and-play "substation as a product" setup.