TSTY Transformer Mining Solutions

February 28, 2025

TSTY's distribution transformers also play an important role in heavy industrial scenarios such as mining. Its reliability, safety and energy efficiency are directly related to production efficiency and cost control. Transformers occupy an important position for voltage stability, safety and explosion-proof requirements, energy efficiency and environmental protection requirements in mining.

TSTY's transformer solutions can be widely used in industrial fields such as mines, coal mines, and oil fields. In the mining system of heavy industry, it can be applied to various systems such as mine lighting systems, power transmission systems, lifting systems, ventilation systems, and water pump systems. With the continuous development and advancement of technology, the application scope of TSTY transformer mining solutions will be further expanded, providing more support and guarantee for the development of the mining industry.

The Core Role Of Distribution Transformers In Mining

1. Voltage conversion and power stability

Mining operations usually require high-power equipment (such as crushers, conveyor belts, drilling equipment, etc.). Distribution transformers convert high-voltage power from the power grid into low-voltage power suitable for mining equipment (such as from 35kV to 0.4kV), and ensure power stability to avoid voltage fluctuations that cause equipment damage or production interruptions.

2. Distributed power supply

Most mines are located in remote areas with weak grid coverage. Distribution transformers support self-built microgrids or distributed energy systems (such as diesel generators, photovoltaic energy storage) in mining areas to ensure power supply.

3. Safety and explosion-proof requirements

In underground or flammable and explosive environments, mining transformers must comply with explosion-proof standards (such as IECEx or ATEX) and adopt dry-type design to avoid fires caused by leakage of oil-immersed transformers.

4. Energy efficiency and environmental protection requirements

High-efficiency transformers (such as primary energy efficiency or amorphous alloy transformers) can reduce energy consumption in mines and reduce carbon emissions, which is in line with the global mining ESG (environment, society, governance) trend.

Design Features Of Mining Transformers

Distribution transformers are divided into dry-type transformers and oil-immersed transformers according to the cooling method. As the mining industry develops towards deep wells, electrification, intelligence and low carbonization, dry-type and oil-immersed transformers have incorporated a number of innovative technologies into their designs to cope with the complex environment and stringent requirements of mining areas.

Design considerations for mining dry-type transformers

1. Enhanced explosion-proof and fire-proof performance: The epoxy resin fully sealed structure is used to prevent dust and moisture intrusion, meeting the flammable and explosive environment underground. The oil-free design is especially suitable for underground operation areas with high safety requirements.

2. Upgraded resistance to harsh environments: For acidic mines or high humidity environments, the transformer shell uses nano-coating or corrosion-resistant alloys; by strengthening the core fixing structure and shock-absorbing base design, it adapts to the continuous vibration of heavy equipment in the mine during operation.

3. Efficient heat dissipation and energy-saving optimization: The intelligent air cooling system dynamically adjusts the heat dissipation efficiency according to the load to reduce energy consumption; the no-load loss of the amorphous alloy core is 60%~80% lower than that of traditional silicon steel sheets, which is suitable for intermittent load mining microgrids.

Design Features Of Mining Oil-Immersed Transformers

1. Improved environmental protection and safety: bio-based insulating oil is used instead of traditional mineral oil, and biodegradable plant ester insulating oil (such as MIDEL eN) is used to reduce the risk of environmental pollution after leakage; the fully sealed design prevents oil from contacting with air and oxidizing, extending the life of the oil.

2. Adapt to deep wells and high power requirements: By optimizing the magnetic circuit and cooling system, a greater power density is achieved to meet the needs of deep well mines for centralized power supply. For the narrow space underground, the top oil pump is used for forced circulation and heat dissipation to avoid local overheating.

3. Intelligence and fault monitoring: The oil chromatograph detects dissolved gas in the oil in real time online, and warns of internal arc or overheating faults.

4. Fast voltage regulation response: equipped with on-load voltage regulator to deal with sudden changes in mine load or fluctuations in microgrids.