6kV/0.4kV 100kVA KBSG Series Dry-Type Explosion-Proof Movable Mining Transformer Substation 50/60Hz
HENTG POWER 6kV/0.4kV 100kVA KBSG Series Dry-Type Explosion-Proof Movable Mining Transformer Substation The HENTG POWER KBSG Series 6kV/0.4kV 100kVA Dry-Type Mining Explosion-Proof Movable Transformer Substation is designed to provide safe, reliable, and efficient power distribution in underground mining environments. With explosion-proof, flameproof, and moisture-resistant features, this mobile transformer substation is ideal for use in hazardous coal mines, metal ore mines,
6kV dry-type explosion-proof transformer
,100kVA mining transformer substation
,movable dry-type transformer 50/60Hz
HENTG POWER 6kV/0.4kV 100kVA KBSG Series Dry-Type Explosion-Proof Movable Mining Transformer Substation
The HENTG POWER KBSG Series 6kV/0.4kV 100kVA Dry-Type Mining Explosion-Proof Movable Transformer Substation is designed to provide safe, reliable, and efficient power distribution in underground mining environments. With explosion-proof, flameproof, and moisture-resistant features, this mobile transformer substation is ideal for use in hazardous coal mines, metal ore mines, and other explosive atmospheres. The dry-type resin insulation ensures durability and safety while minimizing maintenance costs.
This substation is mobile, allowing easy relocation within the mine as operations progress. It’s perfect for powering drilling rigs, conveyors, crushers, ventilation systems, and other heavy mining equipment, ensuring uninterrupted power supply in the most demanding environments.
TECHNICAL PARAMETERS
| HENTG POWER 6KV Explosion-Proof Transformer For Mining | |
|---|---|
| Model | KBSG |
| Transformer Type | Dry type |
| Voltage | 6 KV/0.4KV |
| Frequency | 50/60Hz |
| 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 | 100KVA |
| No-load Loss(KW) | 520 |
| load Loss(KW) | 920 |
| No-load Current (%) | 2.5 |
| Impedance Voltage(%) | 4 |
| Outline Dimension | 2500*950*1430 |
| Weight (KG) | 1600 |
Focus on "Environmental Adaptability" – Engineered for Extreme Underground Conditions
The Critical Challenge: How Harsh is the Underground Environment? We Fully Adapt
Underground mining is not a standard electrical environment. It is a hostile domain characterized by methane accumulation, pervasive coal dust, high humidity (≤95% @25℃) , and constant vibration (vertical inclination ≤15°) . In these conditions, standard transformers are prone to corrosion, mechanical loosening, and catastrophic failure.
The HENTG POWER KBSG Series Mining Explosion-Proof Dry-Type Transformer is engineered with "Environmental Adaptability" as its core design philosophy. From material selection to structural integrity, it is fully tailored to meet underground demands, ensuring power supply equipment maintains unwavering stability in high-risk environments.
Key Environmental Adaptability Parameters
Explosion-Proof Grade: Exd I / Exd I Mb Humidity Resistance: Relative humidity ≤95% (at 25℃) Vibration Adaptation: Vertical inclination ≤15°, anti-loosening structure Temperature Adaptation: Ambient -20℃ to +40℃; Insulation resistance ≥135℃ Protection Rating: IP54-IP65 (Dustproof and Waterproof)
Core Advantages: Fearless in Harsh Conditions, Durable, and Resilient
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Confronting Explosion Risks: Adapted for Flammable Gas & Dust
Targeting the hazards of methane and coal dust explosions, this product has achieved Exd I / Exd I Mb explosion-proof certification and fully complies with the GB 3836 "Electrical Equipment for Explosive Atmospheres" standard. It can be deployed directly in Class I explosive hazard areas within underground coal mines, eliminating the risk of ignition via electric sparks.
Versatile Application: Suitable for Zone 1 and Zone 2 explosive dust areas, ensuring safe operation in both coal mining faces and metal mine crushing roadways.
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Withstanding Severe Climates: Moisture-Proof, Corrosion-Resistant, Vibration-Proof
High Protection Rating (IP54-IP65): The fully sealed structure effectively blocks coal dust intrusion, while the waterproof design handles underground water spraying scenarios. Even in prolonged high-humidity environments, internal components remain protected against moisture and corrosion.
Specialized Anti-Corrosion Coating: The shell features a mining-specific anti-corrosion paint that resists erosion from acidic/alkaline gases, significantly extending the equipment's service life.
Vibration-Resistant Structure: The iron core assembly is secured with channel steel clamps and tension screws, while a specialized coil compression device prevents loosening. It withstands underground mechanical vibrations (vertical inclination ≤15°), preventing failures caused by component displacement.
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Adapting to Complex Conditions: Temperature & Altitude Compatibility
Wide Temperature Operation: Tolerates ambient temperatures from -20℃ to +40℃, with internal insulation materials capable of with standing temperatures exceeding 135℃. It will not succumb to overheating, even in local high-temperature zones (e.g., near heavy mining machinery).
Low-Altitude Adaptation: Supports operation in mining areas at altitudes ≤2000 meters without parameter adjustments. It maintains stable output even in plateau mining regions such as those in Mongolia and South Africa.
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Diverse Scenario Application: From Coal Mines to Tunnels
Underground Coal Mines: Powers mining faces, ventilation systems, drainage pump stations, and hoist support.
Metal/Non-Coal Mines: Supplies power for roadway lighting, crushing equipment, and electric traction machinery.
Tunnel Projects: Supports tunnel construction ventilation, drainage, and temporary lighting systems.
FAQ
❓ Pain Point 1: High humidity and heavy dust in mines — will this cause insulation failure?
✔ Answer:
No. The KBSG series uses a fully sealed dry-type resin cast insulation system, which provides:
Strong moisture resistance (operating humidity up to 95% RH)
Dust-proof, water-proof, and anti-condensation performance
No “moisture absorption" risk that occurs in oil-immersed transformers
This makes it ideal for wet underground tunnels, high-dust mining sites, and humid environments.
❓ Pain Point 2: Mining equipment needs to be relocated frequently — is the transformer too heavy to move?
✔ Answer:
Not at all. The KBSG series is designed as a movable-type mining transformer, featuring:
Optional skid-mounted, wheel-mounted, or towing-frame bases
Easy relocation without affecting structural strength
Suitable for mining faces where equipment positions change frequently
Compared with traditional fixed transformers, it is far more flexible and efficient for mobile mining power distribution.
❓ Pain Point 3: Can it operate safely in areas with coal dust, methane gas, or explosion risks?
✔ Answer:
Yes, absolutely. The KBSG series is a mining explosion-proof model (Ex d I Mb) equipped with:
Explosion-proof flamepath enclosure
Pressure relief and isolation structure
Fireproof flame path design
Even if an internal arc or fault occurs, it will not ignite external methane gas or coal dust, fully meeting mining safety requirements.
❓ Pain Point 4: Mining machines have heavy impact loads — will the transformer overheat?
✔ Answer:
No. This series is engineered for high-impact industrial loads with:
Reinforced coil structure for mechanical shock
High thermal grade resin cast (Class F/H)
Optimized cooling system to control temperature rise
Optional automatic over-temperature protection
It maintains stable operation even when powering crushers, conveyors, winches, pump stations, drilling rigs, and other heavy-duty mining equipment.
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