The KBSGZY Series Mine Flameproof Mobile Substation is a specialized explosion-proof power supply solution designed for underground coal mines and hazardous industrial environments where gas and coal dust explosion risks exist. As a core mining electrical equipment, it provides safe, reliable, and efficient power distribution for modern mechanized mining operations.Featuring a flameproof enclosure, dry-type transformer technology, and mobile design, the KBSGZY Series ensures stable power supply while meeting the demanding safety requirements of underground mining environments. It is widely used for powering mining machinery, excavation equipment, conveyor systems, ventilation systems, and temporary mining power networks.
Example: KBSGZY-1250/10
| Symbol | Meaning |
|---|---|
| K | Mining |
| B | Flameproof Type (Ex d I Mb) |
| S | Three-Phase |
| G | Dry-Type Transformer |
| Z | Combined Structure |
| Y | Mobile |
| 1250 | Rated Capacity: 1250 kVA |
| 10 | High Voltage Side: 10 kV |
| Parameter | Specification |
|---|---|
| Rated Capacity | 50–3150 kVA |
| High Voltage Rating | 6 kV / 10 kV |
| Low Voltage Rating | 1140 V / 690 V / 400 V |
| Frequency | 50 Hz |
| Phase | Three Phase |
| Cooling Method | Dry-Type Natural Cooling (AN/AN) |
| Insulation Class | Class H (180℃ Heat Resistance) |
| Protection Grade | IP54 Dustproof & Splash-Proof |
| Short Circuit Impedance | 4%–6% |
| Connection Group | Yyn0 / Dyn11 |
The KBSGZY Series is engineered to perform reliably in harsh mining environments.
Altitude:
Standard operation ≤1000 m
High-altitude customized versions available for areas such as Qinghai and Tibet
Ambient Temperature:
Standard: -20℃ to +40℃
Cold-resistant designs available for extreme environments
Installation Inclination: ≤15°
Typical Dimensions:
Length: 4–5 m
Width: 1.2–1.4 m
Height: 1.6–1.8 m
Weight: Approximately 3–12 tons (depending on capacity)
| Feature | KBSGZY Mobile Substation | Conventional Transformer |
|---|---|---|
| Explosion Protection | Flameproof enclosure (Ex d I Mb) | Not designed for explosive areas |
| Insulation Type | Dry-type, oil-free design | Often oil-immersed |
| Fire Safety | Excellent fire resistance | Higher oil fire risk |
| Mobility | Mobile structure with transport capability | Fixed installation |
| Underground Adaptability | Designed for mining roadways | Limited underground use |
| Safety System | Multiple electrical protections and interlocks | Standard protection only |
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The KBSGZY Series Mine Flameproof Mobile Substation is a specialized explosion-proof power supply solution designed for underground coal mines and hazardous industrial environments where gas and coal dust explosion risks exist. As a core mining electrical equipment, it provides safe, reliable, and efficient power distribution for modern mechanized mining operations.Featuring a flameproof enclosure, dry-type transformer technology, and mobile design, the KBSGZY Series ensures stable power supply while meeting the demanding safety requirements of underground mining environments. It is widely used for powering mining machinery, excavation equipment, conveyor systems, ventilation systems, and temporary mining power networks.
Example: KBSGZY-1250/10
| Symbol | Meaning |
|---|---|
| K | Mining |
| B | Flameproof Type (Ex d I Mb) |
| S | Three-Phase |
| G | Dry-Type Transformer |
| Z | Combined Structure |
| Y | Mobile |
| 1250 | Rated Capacity: 1250 kVA |
| 10 | High Voltage Side: 10 kV |
| Parameter | Specification |
|---|---|
| Rated Capacity | 50–3150 kVA |
| High Voltage Rating | 6 kV / 10 kV |
| Low Voltage Rating | 1140 V / 690 V / 400 V |
| Frequency | 50 Hz |
| Phase | Three Phase |
| Cooling Method | Dry-Type Natural Cooling (AN/AN) |
| Insulation Class | Class H (180℃ Heat Resistance) |
| Protection Grade | IP54 Dustproof & Splash-Proof |
| Short Circuit Impedance | 4%–6% |
| Connection Group | Yyn0 / Dyn11 |
The KBSGZY Series is engineered to perform reliably in harsh mining environments.
Altitude:
Standard operation ≤1000 m
High-altitude customized versions available for areas such as Qinghai and Tibet
Ambient Temperature:
Standard: -20℃ to +40℃
Cold-resistant designs available for extreme environments
Installation Inclination: ≤15°
Typical Dimensions:
Length: 4–5 m
Width: 1.2–1.4 m
Height: 1.6–1.8 m
Weight: Approximately 3–12 tons (depending on capacity)
| Feature | KBSGZY Mobile Substation | Conventional Transformer |
|---|---|---|
| Explosion Protection | Flameproof enclosure (Ex d I Mb) | Not designed for explosive areas |
| Insulation Type | Dry-type, oil-free design | Often oil-immersed |
| Fire Safety | Excellent fire resistance | Higher oil fire risk |
| Mobility | Mobile structure with transport capability | Fixed installation |
| Underground Adaptability | Designed for mining roadways | Limited underground use |
| Safety System | Multiple electrical protections and interlocks | Standard protection only |