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Low Noise Eco-Friendly Prefabricated Substation 10kV for Residential Areas - China Suppliers & Factory
Multiple Safety Guarantees and Convenient Maintenance Features
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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.
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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".
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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.
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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 | โ | 100~2500 |
| Rated Frequency | Hz | 50 | 50 | 50 |
| Rated Capacity | KVA | โ | 100~1250 | โ |
| Rated Thermal Stability Current | kA | 20/4S | โ | 30/15 |
| Rated Dynamic Stable Current (Peak) | kA | 50 | โ | 63 |
| Rated Closing Short-Circuit Current (Peak) | kA | 50 | โ | 15~30 |
| Rated Breaking Short-Circuit Current | kA | 31.5 | โ | โ |
| Rated Starting Load Current | A | 630 | โ | โ |
| 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 | โ |
| Shell Protection Grade | โ | IP23 | IP23 | IP23 |
| Noise Level | dB | โ | Oil transformer <55 / Dry transformer โค65 | โ |
| Loop Number | Amount | 1~6 | โ | 4~30 |
| Maximum Reactive Power Compensation (Low-Voltage Side) | kvar | โ | โ | 300 |
Detail Pictures
Frequently Asked Questions (FAQ)
What safety protection mechanisms does the box-type transformer include?
The box-type transformer features a multi-layer physical protection system including an anti-theft box body, anti-picking door locks, and mechanical or electrical interlocks in both the high-voltage and low-voltage rooms. An independent pressure relief channel in the transformer room ensures rapid pressure release during faults, protecting both personnel and equipment.
Does the box-type transformer support remote monitoring?
Yes. An optional intelligent monitoring system is available that tracks transformer temperature, load rate, key node temperature, access status, and environmental humidity in real time. Data is wirelessly transmitted to a monitoring center, enabling remote operation and fault early warning โ shifting maintenance from scheduled to condition-based.
What is the rated capacity range of this box-type transformer?
The transformer's rated capacity ranges from 100 KVA to 1250 KVA, making it suitable for a wide range of power supply applications including commercial, industrial, and temporary power scenarios.
Is the box-type transformer easy to relocate and reuse?
Yes. The unit is equipped with standard lifting holes and transportation fixation points at the base, allowing it to be moved using standard lifting equipment. Relocation only requires disconnecting the incoming and outgoing cable connections, making it highly suitable for rental markets and temporary power supply projects.
What is the shell protection grade of the box-type transformer?
All three compartments โ the high-voltage electrical cabinet, transformer, and low-voltage electrical cabinet โ carry a shell protection grade of IP23, providing reliable protection against solid particles and water ingress in standard outdoor environments.
How is maintenance performed on this box-type transformer?
Each functional room has an independent maintenance door with passage widths compliant with safety standards. High-voltage cable heads support safe touchable operation without special tools. All major components are designed for front-access maintenance, allowing all servicing tasks to be completed from a single side for maximum convenience and safety.