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Low Noise Eco-Friendly 10kV Prefabricated Substation from China Suppliers | Compact Factory Solution for Urban Areas
Multiple Safety Guarantees & 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 the low-voltage side | kvar | - | - | 300 |
Detail Pictures
Frequently Asked Questions (FAQ)
What safety mechanisms are built into this box-type transformer?
The unit features multi-layer physical protection including anti-theft body design, anti-picking door locks, mechanical/electrical interlocks to prevent unauthorized entry into energized compartments, and an independent pressure relief channel in the transformer room.
What is the rated capacity and voltage of the transformer system?
The transformer provides a nominal voltage configuration of 10 kV on the high-voltage side down to 0.4 kV on the low-voltage side, with a rated capacity ranging from 100 kVA to 1250 kVA at 50 Hz rated frequency.
Can this equipment be monitored remotely?
Yes, an optional intelligent monitoring system can be integrated to track parameters such as transformer temperature, load rate, access status, and ambient temperature/humidity, transmitting real-time data wirelessly for condition-based maintenance.
How is the equipment maintained on site?
All main components feature front-access maintenance design. Each compartment has independent access doors and standard safety clearance passages, and high-voltage cable heads are designed to be safely touchable without special tools.
Is this box-type transformer suitable for temporary power and relocation?
Yes. Standard lifting holes and fixed transport points at the bottom allow whole-unit handling with standard cranes. Relocation only requires disconnecting incoming and outgoing cables, making it ideal for rentals and temporary sites.
What is the ingress protection and operational noise level?
The enclosure is rated at IP23 protection grade. The noise emission level is kept below 55 dB for oil-immersed transformers and ≤65 dB for dry-type transformers.