Box Type Substation Outdoor 500KVA 630KVA 800KVA Power Transformer
Compact Substation
The Box-Type Compact Substation (YB Series) integrates high-voltage
switchgear, oil-immersed transformer, and low-voltage distribution
cabinet in one prefabricated enclosure. Available in 500kVA,
630kVA, and 800kVA capacities, it is widely used in urban power
grids, industrial facilities, residential communities, and solar
power plants, offering compact size, safe operation, and easy
installation.
Technical Specifications
| HV Specifications |
|---|
| Rated Frequency | Hz | 50 |
| Rated Voltage | kV | 6 10 35 |
| Max Working Voltage | kV | 6.9 11.5 40.5 |
| Industrial Frequency Voltage-resisting Time | kV | 32/36 42/48 95/118 |
| Thunder and Lighting Ballistic Voltage-resisting Time | kV | 60/70 75/85 185/215 |
| Rated Current | A | 400 630 |
| Rated Brief-period Current-resisting | kA | 12.5(2s) 16(2s) 20(2s) |
| Rated Crest Value Current-resisting | kA | 32.5 40 50 |
| LV Specifications |
|---|
| Rated Voltage | V | 380 220 |
| Rated Current Of Major Return Circuit | A | 100-3200 |
| Rated short-circuit Current-resisting | kA | 15 30 50 |
| Rated Crest Value Current-resisting | kA | 30 63 110 |
| Branch Circuit | A | 10-800 |
| Quantity Of Branch | line | 1月12日 |
| Compensation Circuit | kVAR | 0-360 |
| Transformer Specifications |
|---|
| Rated Capacity | kVA | 50-2000 |
| Short-circuit Impendance | % | 4 6 |
| Scope Of Branch Connection | | +2x2.5% ±5% |
| Vector Group | | Yyn0 Dyn11 |
Key Features
- Factory-Assembled Design - Fully pre-installed, tested, and ready for on-site connection.
- Compact & Modular - Small footprint, suitable for both temporary and permanent power
systems.
- High Reliability - Stable performance with low loss and excellent insulation.
- Oil-Immersed Cooling - Efficient heat dissipation and long service life.
- Safe Operation - Fully enclosed design, IP54 protection, and optional arc-proof
cabinet.
- Customizable - Supports 6kV, 10kV, 11kV input voltage and multiple output
configurations.
Product Advantages
Aesthetic and Durable Design
The unit has a clean and modern appearance, with strong
environmental adaptability. It integrates well with surrounding
architecture and landscaping, enhancing the overall urban
aesthetic.
Proximity to Medium-Voltage Load Centers
Enables deployment close to medium-voltage load centers, reducing
distribution line length, lowering line losses, and improving power
quality and supply reliability.
Cost-Effective Operation
Requires no civil infrastructure, reducing initial investment. No
need for full-time staffing, minimizing labor costs. The long
maintenance cycle and easy operation result in a lower total cost
of ownership throughout the life-cycle.
Environmentally Friendly Solution
The modular substation can be relocated and reused based on urban
development needs, avoiding redundant investments and supporting
sustainable development goals.
Additional Benefits
- One-stop power solution: HV + Transformer + LV
- Short installation time and minimal site work
- High reliability and maintenance-free operation
- Compact, aesthetic design suitable for city environments
- Custom-built to match voltage, capacity, and climatic needs
50Hz Oil Immersed Pad Mounted Distribution Transformer Three Phase 100KVA To 4000KVA
