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Mining Transformer KBSG Series Flameproof Power Transformer(Dry type)

Model: Mining Transformer KBSG Series Rated Voltage: 6KV-10KV Rated Capacity: 50-4000KVA Cooling Method: air cooling (ANAN)

Classification:

Customized Transformer

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隐藏域元素占位

Field of application

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Industry and commerce

Energy Storage

Photovoltaic power generation

Metal melting

State Grid

Product Description

The Mining Transformer KBSG Series has a flameproof structure, and the insulation material adopts C-class or H-class insulation, good thermal stability, and the cooling path adopts ANAN. It is suitable for workplaces such as coal mines, non-ferrous metal mines, tunnel projects, and mines with methane mixed gas, coal dust, dust, and explosion hazards.

Features

Low no-load loss
1. High-quality silicon steel sheets are used.
2. The wound core transformer fully utilizes the orientation of the silicon steel sheets. The annealing process restores their magnetic properties, reducing no-load loss by 20%-30%.
Low noise
1. Noise primarily originates from the core and is transmitted to the surrounding area through the casing.
2. Noise reduction measures: ① Reduce noise sources. The wound core has seamless joints, a compact structure, low hysteresis and expansion, and low noise. ② Silicone pads are added to joints to block noise transmission.
Lightweight and compact
Explosion-proof and moisture-proof
The product utilizes a corrugated rectangular flameproof casing, which offers excellent flameproof performance, sufficient mechanical strength, and good heat dissipation. The top cover is easy to clean for dust accumulation.
Safety and Environment-friendly
The transformer body is constructed of H- or C-grade insulation material, which is flame-retardant, flame-retardant, and fire-resistant. It does not generate harmful gases or pollute the environment. A small temperature relay is installed on the upper part of the transformer body to provide an over-temperature alarm.

Technical Specification

Model	Rated Capacity(KVA)	Primary Voltage(KV)	High Voltage Tap Range（KV）	Vector Group	No-Load Loss(KW)	Load Loss(KW)	Short Circuit Impedance(%)	No-Load Current(%)
KBSG-50/6	50	6	±5	Yy0(d11)	0.35	0.55	4.0	2.5
KBSG-100/6	100	6	±5	Yy0(d11)	0.52	0.92	4.0	2.5
KBSG-800/6	800	6	±5	Yy0 Yy0 (d11)	2.05	4.50	4.0	1.00
KBSG-1000/6	1000	6	±5	Yy0 Yy0 (d11)	2.35	5.40	4.0	1.00
KBSG-1250/6	1250	6	±5	Yy0 Dy11 Yy0	2.75	6.50	4.0	1.00
KBSG-1600/6	1600	6	±5	Yy0 Dy11 Yy0	3.35	8.00	4.0	0.80
KBSG-2000/6	2000	6	±5	Yy0 Dy11 Yy0	3.80	9.50	4.5	0.60
KBSG-3150/6	3150	6	±2*2.5	Yy0 Dy11	5.3	12.5	5.5	0.60
KBSG-4000/6	4000	6	±2*2.5	Yy0 Dy11	6.1	14.00	6.0	0.60
KBSG-50/10	50	10	±5	Yy0(d11)	0.39	0.68	4.0	2.50
KBSG-100/10	100	10	±5	Yy0(d11)	0.56	1.05	4.0	2.50
KBSG-800/10	800	10	±5	Yy0 Yy0 (d11)	2.30	5.10	4.0	1.20
KBSG-1000/10	1000	10	±5	Yy0 Yy0 (d11)	2.60	6.10	4.5	1.20
KBSG-1250/10	1250	10	±5	Yy0 Dy11	3.10	7.40	4.5	1.00
KBSG-1600/10	1600	10	±5	Yy0 Dy11	3.80	8.50	5.0	1.00
KBSG-2000/10	2000	10	±5	Yy0 Dy11	4.50	9.70	5.0	0.70
KBSG-3150/10	3150	10	±2*2.5	Dy11	6.10	12.80	5.5	0.70
KBSG-4000/10	4000	10	±2*2.5	Dy11	7.00	15.00	6.0	0.70

Application Scenarios

The KBSG Series mining transformer is suitable for mines with methane mixed gas and coal dust and explosion hazards, and is used as a power distribution device for underground mine pumping stations, conveyors, mining machines and other electrical equipment.

Environmental Requirements
① Altitude: ≤ 1000m;
② Ambient temperature: Upper limit +40°C, lower limit -5°C;
③ Relative humidity: No more than 95% relative humidity (at 25°C);
④ No strong vibration, jolt, or inclination from vertical not exceeding 15°;
⑤ Can be used in air containing explosive methane or coal dust, but free of gases and vapors that are corrosive to metals or damage insulation;
6. No dripping water or an environment with water-proof facilities;
7. The power supply voltage waveform is approximately sinusoidal, and the three-phase power supply voltage is approximately symmetrical.
8. Customizable for special operating environments