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Prefabricated Substation 10kV Residential Area Use Low Noise Eco-Friendly Compact Substation
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Multiple safety guarantees and convenient maintenance features
1.Multi-layer physical protection system: The box body adopts anti-theft design, and the door lock has anti-picking function. Mechanical interlock or electrical interlock is set in the high-voltage room and the low-voltage room respectively, strictly preventing accidental entry into the energized compartments. The transformer room is equipped with an independent pressure relief channel, which can quickly release pressure in case of a fault, ensuring the safety of personnel and equipment.
2.Intelligent Monitoring and Early Warning: An optional intelligent monitoring system can be equipped. It can monitor parameters such as transformer temperature, load rate, key node temperature, access status, and environmental temperature and humidity in real time. The data is transmitted wirelessly to the monitoring center, enabling remote operation and fault early warning, transforming "scheduled maintenance" into "condition-based maintenance".
3.Humanized maintenance design: Each functional room is equipped with an independent maintenance door, and the width of the maintenance passage complies with safety standards. The high-voltage cable heads are designed with a touchable feature, allowing for safe operation without the need for special tools during maintenance. The main components are all designed with front maintenance features, enabling all maintenance operations to be completed from the front.
4.Quick relocation and reuse: The bottom of the box is equipped with standard lifting holes and transportation fixation points, allowing for overall handling using general lifting equipment. During relocation, only the incoming and outgoing cable connections need to be disconnected, significantly enhancing the equipment's utilization rate and return on investment. It is particularly suitable for the rental market and temporary power supply scenarios.
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 | ||
| loop number | amount | 1~6 | 4~30 | |
| Maximum reactive power compensation on the low-voltage side | kvar | 300 |
detail pictures
FAQ
Find answers to common questions about 10kV residential prefabricated substations, including low-noise design, transformer capacity, compact installation, outdoor use, customization and quotation requirements.
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Is this 10kV prefabricated substation suitable for residential areas?
Yes. This compact prefabricated substation is designed for **10kV distribution systems** and is suitable for residential communities, urban developments, commercial areas, and other locations where limited space, reliable power distribution, and lower operating noise are important.
What equipment is included inside the substation?
A typical configuration integrates: * 10kV medium-voltage switchgear * Distribution transformer * Low-voltage distribution switchgear * Protection devices * Metering equipment * Control and auxiliary systems The final configuration can be customized according to the project single-line diagram.
What transformer capacity can be installed?
The transformer capacity depends on the project load requirements. Different capacity options can be selected according to: * Total connected load * Maximum demand * Residential load characteristics * Future expansion * Local distribution requirements Please provide the required kVA capacity or load information for technical selection.
How is the noise level controlled for residential applications?
For residential projects, noise control can be considered during transformer selection, enclosure design, ventilation arrangement, and structural design. A suitable low-noise transformer configuration and optimized enclosure structure can help reduce operating noise. If your project has a specific sound level requirement, please provide the required dB limit during technical confirmation.
How much installation space does this compact substation require?
One of the main advantages of the YB-12 prefabricated substation is its compact structure. Compared with a conventional civil substation, it can significantly reduce the required installation area. The exact dimensions depend on transformer capacity, number of HV/LV circuits, internal equipment arrangement, and ventilation design.
Can the substation be used for ring-main, dual-power, and radial distribution systems?
Yes. The YB-12 prefabricated substation can be configured for different distribution schemes, including: * Ring-main distribution * Dual-power supply * Radial terminal distribution The final electrical scheme should be confirmed according to the project single-line diagram and protection requirements.
Is the substation suitable for outdoor installation?
Yes. This product is designed for outdoor installation. Before production, we recommend confirming: * Ambient temperature * Altitude * Relative humidity * Rain and wind conditions * Pollution level * Seismic requirements * Installation location Special environmental conditions should be specified during the technical review.