YB series prefabricated substation
Scope of application
YB-12 series intelligent integrated substation is a high-voltage switchgear distribution transformer and low-voltage distribution device,according to a certain wiring scheme arranged into one of the factory prefabricated indoor and outdoor compact distribution equipment,that is, high-voltage power,transformer,low-voltage distribution and other functions organically combined together.Installed in a moisture-proof,rust-proof,dust-proof,rat-proof,fire-proof, anti-theft,septa,fully closed,mobile steel structure or non-metallic box,mechanical and electrical integration fully closed operation
Widely used in urban power grid transformation,residential communities,high-rise buildings industrial and mining,hotels,shopping malls,airports,railways,oil fields,wharfs,highways and temporary electricity facilities and other indoor and outdoor places.
General Introduction
- Urban and rural power distribution
- Industrial parks and commercial complexes
- Renewable energy projects (wind/solar farms)
- Temporary power supply for construction sites
- Mining, oil & gas fields, and remote areas
Technical Parameters
| Parameter | Specification |
|---|---|
| High-Voltage Rating | 10kV, 20kV, 35kV (customizable) |
| Transformer Capacity | 250kVA – 2500kVA |
| Low-Voltage Rating | 0.4kV (400V) |
| Frequency | 50Hz/60Hz |
| Protection Level | IP54/IP65 (meets IEC 60529) |
| Cooling Method | Natural air (AN) or forced air (AF) |
| Noise Level | ≤65dB (under full load) |
| Ambient Temperature | -25°C to +55°C |
| Humidity | ≤95%RH (non-condensing) |
| Seismic Resistance | ≤8 degrees (IEC 61463 standard) |
|
额定容量 rated capacity KVA |
电压组合及分接范围 Voltage combination and tap range | 联结组标号Connection Group Symbol | 空载损耗 No-load Loss (W) | 负载损耗 Load Loss (W) | 空载电流No-load Current (%) | 短路阻抗Short Circuit Impedance (%) | ||
|
高压 high voltage (KV) |
分接范围 Tap Range | 低压 low voltage(KV) | ||||||
| 30 | 10 6.6 6.3 6 |
±5 ±2×2.5% | 0.4 | Yyn0 Dyn11 | 170 | 760 | 2.40 | 4 |
| 50 | 240 | 1070 | 2.40 | 4 | ||||
| 80 | 330 | 1480 | 1.80 | 4 | ||||
| 100 | 360 | 1690 | 1.80 | 4 | ||||
| 125 | 420 | 1980 | 1.60 | 4 | ||||
| 160 | 480 | 2280 | 1.60 | 4 | ||||
| 200 | 550 | 2710 | 1.40 | 4 | ||||
| 250 | 640 | 2960 | 1.40 | 4 | ||||
| 315 | 790 | 3730 | 1.20 | 4 | ||||
| 400 | 880 | 4280 | 1.20 | 4 | ||||
| 500 | 1040 | 5230 | 1.20 | 4 | ||||
| 630 | 1200 | 6290 | 1.00 | 4 | ||||
| 630 | 1170 | 6400 | 1.00 | 6 | ||||
| 800 | 1360 | 7460 | 1.00 | 6 | ||||
| 1000 | 1590 | 8760 | 1.00 | 6 | ||||
| 1250 | 1880 | 10370 | 1.00 | 6 | ||||
| 1600 | 2200 | 12580 | 1.00 | 6 | ||||
| 2000 | 2740 | 15560 | 0.80 | 6 | ||||
| 2500 | 3240 | 18450 | 0.80 | 6 | ||||
Key Features
-
Modular Design
- Factory pre-assembled and tested for quick on-site installation.
- Reduces installation time by up to 70% compared to traditional substations.
-
Weatherproof Enclosure
- Corrosion-resistant steel or aluminum alloy shell.
- IP54/IP65 protection against dust, water, and extreme weather.
-
Safety & Reliability
- High-voltage switchgear with SF6 or vacuum circuit breakers.
- Transformer with epoxy resin casting (SCB series) for fire safety.
- Comprehensive protection relays and monitoring systems.
-
Space Efficiency
- Compact footprint (up to 60% smaller than conventional substations).
- Ideal for urban areas with limited space.
-
Energy Efficiency
- Low-loss transformers (meets IE3/IE4 efficiency standards).
- Intelligent power management systems.
-
Customization Options
- Configurable high/low-voltage switchgear layouts.
- Optional accessories: HVAC systems, fire suppression, remote monitoring.
-
Easy Maintenance
- Accessible compartments for routine inspections.
- Modular components for quick replacement.
-
Environmental Compliance
- No oil leakage risk (dry-type transformer).
- Recyclable materials and eco-friendly design.
System Configuration
-
High-Voltage Section
- Ring main unit (RMU) or vacuum circuit breaker (VCB)
- Surge arresters and current/voltage transformers
- Cable entry/exit ports
-
Transformer Section
- SCB series epoxy resin dry-type transformer
- Temperature monitoring system
- Cooling fans (optional)
-
Low-Voltage Section
- MCCB/MCB distribution panels
- Power factor correction capacitors
- Metering and protection devices
-
Control & Monitoring
- PLC-based control system
- Remote monitoring via SCADA or IoT platforms
- Optional GSM/GPRS communication module















