800kVA 11kV Mining Distribution Transformer for Underground Mining Substation
Mining operators care most about safety, reliability, durability, and maintenance cost. Our fully sealed design, shock-resistant structure, premium silicon steel, high-grade enamel-wrapped conductors, and excellent thermal performance significantly reduce failure rate.
800kVA mining distribution transformer
,11kV underground mining transformer
,dry type substation transformer
We have 15+ years of transformer manufacturing experience, ISO-certified facilities, advanced laboratories, and full testing capability, providing strong technical credibility.
| Model | KBSG |
| Transformer Type | Dry type |
| Voltage | 11kV/0.4KV |
| Frequency | 50Hz |
| Number of Phases | 3 phases |
| Coil Material | Copper/Aluminum |
| Insulation Class | H/C |
| Connection Method | Yyo/Dyn11 |
| Cooling Method | AN, GNAN |
| Protection Class | IP54/IP65/IP66/IP67 |
| Explosion-Proof Type | Exd |
| Rated Capacity | 800KVA |
| No-load Loss (KW) | 1520 |
| Load Loss (KW) | 6960 |
| No-load Current (%) | 0.9 |
| Impedance Voltage (%) | 6 |
| Outline Dimension | 2910*1330*1430 |
| Weight (KG) | 3160 |
- Functions: Comprehensive (Overload/Short circuit/Temp/Leakage/Voltage)
- Early Warning: 24-48 Hours Advance Notice
- Monitoring: Remote Real-Time + Historical Tracing
- Fault Location: Precise display of Type & Location
- Anti-Interference: High resistance to electromagnetic noise
- Overload Protection: Automatically limits current when load exceeds 1.2x rated value; triggers shutdown at 1.5x to protect core components
- Short Circuit Protection: Features instantaneous trip device - cuts power within 0.1 seconds of line short circuit
- Over-temperature Protection: Built-in PT100 sensors monitor coil temperature with warnings at >135℃ and automatic shutdown at >150℃
- Leakage Lockout Protection: Immediately locks power supply upon detecting line leakage
- Voltage Protection: Adjusts output or shuts down if voltage fluctuates >±10%
- Real-time Data Collection: Uploads voltage, current, temperature, and load rate data via RS485 interface
- Fault Warning Push: Detects abnormalities and pushes alerts via SMS/APP/Central Control 24-48 hours in advance
- Historical Data Tracing: Automatically stores operating data for more than 1 year for retrospective analysis
- Visual Diagnostics: High-definition display shows fault types and specific locations
- Remote Reset: Allows remote resetting of minor faults via central control system
- Professional drawing and technical teams that confirm all drawing contents within 7 days
- Team of 30+ senior engineers provides 24-hour online service with responses within 30 minutes
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