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Mining Flame & Explosion Proof Transformer

CEEG's dry-type mining distribution transformer is designed to provide stable power in environments such as mines and tunnels where there is a risk of explosion due to methane mixed gas and coal dust. It is also suitable for environments containing gases and vapors that do not corrode metals or damage insulation.

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Product Description

Product Features

Explosion-Proof & Heat Dissipation: Patented full-wave corrugated cylindrical structure, with no water or dust accumulation on the top, offering excellent heat dissipation and strong explosion-proof performance.
Premium Insulation: Utilizes Nomex® insulation paper, providing C-class insulation, flame retardancy, explosion proofing, and recyclability.
Sturdy and Reliable: Features an eight-point fastening method, suitable for vertical descent into mines; ensures the iron core remains free of lateral movement under various working conditions.
Advanced Technology: Employs VPI (Vacuum Pressure Impregnation) for impregnation and drying, enhancing the insulation performance and mechanical strength of the coils.
Strong Adaptation: The elliptical structure of the transformer body results in a shorter height and length, meeting the space requirement of various mining environments.
Integrated Design Solution: Powers explosion-proof frequency converters and communicates with them to monitor operating status, manage faults, and integrate control functions.

Technical Parameters

Rated Capacity	100-4000kVA
Primary Voltage	6/10kv
Secondary Voltage	0.69/0.4/1.2/3.45kv
No Load Loss	520-7000W
Load Loss	920-15000W
Frequency	50/60Hz
Impedance	4%/4.5%/5%/5.5%/6%
Vector Group	Dyn11/Dy11/Yy0(D11)/Yyn0
Tapping Range	±5%
Heat-resistance grade of insulating materials	H or C
Phase Number	Three
Cooling Method	Natural air cooling (ANAN)