15515673159
Low Noise Eco-Friendly 10kV Prefabricated Substation from China Suppliers and Factory for Residential Areas
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 | — | — |
| 1min 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 Low-Voltage Side | kvar | — | — | 300 |
Detail Pictures
Frequently Asked Questions (FAQ)
Q
What anti-theft and safety interlock features does the box-type transformer provide?
The box body features an anti-theft design with an anti-picking door lock. Both the high-voltage and low-voltage rooms are fitted with mechanical or electrical interlocks to strictly prevent accidental entry into energized compartments. An independent pressure relief channel in the transformer room can quickly release pressure during a fault, protecting both personnel and equipment.
Q
Does the box-type transformer support remote monitoring and intelligent management?
Yes. An optional intelligent monitoring system is available that tracks transformer temperature, load rate, key node temperatures, access status, and environmental humidity in real time. Data is wirelessly transmitted to a monitoring center, enabling remote operation and fault early warning — shifting maintenance from a fixed schedule to a condition-based approach.
Q
What is the rated capacity range of the transformer in this unit?
The transformer supports a rated capacity range of 100 KVA to 1,250 KVA, making it suitable for a wide variety of power supply applications from small commercial projects to larger industrial installations.
Q
How easy is it to relocate and reinstall the box-type transformer on a new site?
The unit is designed for quick relocation. Standard lifting holes and transportation fixation points are built into the base, allowing the entire unit to be moved with common lifting equipment. Only the incoming and outgoing cable connections need to be disconnected, minimizing downtime and maximizing the equipment's return on investment — ideal for rental and temporary power supply scenarios.
Q
What protection grade (IP rating) does the box-type transformer enclosure carry?
All three functional compartments — the high-voltage electrical cabinet, the transformer, and the low-voltage electrical cabinet — carry an IP23 protection grade, providing reliable protection against solid particles and water spray from multiple directions.
Q
Can all maintenance work be carried out from the front of the unit?
Yes. All major components are designed with front-access maintenance in mind. Each functional room has its own independent maintenance door, and the passage width meets safety standards. High-voltage cable heads feature a touchable design for safe handling without special tools, allowing all routine maintenance tasks to be completed from the front of the unit.