CEEG
Explosion-proof, impact-resistant, easy-to-maintain design for complex underground mine power supply environments

Mining industry solutions

The CEEG coal mining industry solution promotes deep integration of electric power and renewable energy, aiming to improve productivity and safety in coal mining, reduce operating costs, and drive sustainable development of the industry.

High-safety, high-reliability mining power supply systems for complex underground conditions

Mining environments present multiple challenges such as explosion protection, dust, high gas levels, load impacts, and remote monitoring, and the safety and stability of power supply equipment directly affect production continuity. For mining scenarios, CEEG provides mining flameproof transformers, flameproof switchgear, and mobile power supply solutions.

Through the synergy of flameproof structure, cooling design, insulation protection, intelligent monitoring, and rapid inspection and maintenance capabilities, the solution helps mining customers improve underground power supply safety, reduce maintenance difficulty, and support smart mine construction.

Mining Industry Challenges

Strict underground explosion-proof requirements

High impact loads and frequent equipment start-stop cycles

High safety requirements in high-gas environments

Urgent need for remote monitoring

High protection requirements in dusty environments

Core technology of the new generation of mining flameproof transformers

Dual Explosion-Proof Technology

  • 1MPa-class full-corrugated cylindrical flameproof enclosure with a precision interlocking structural design creates a dual protection system.
  • Electrical sparks fully contained, providing reliable safety protection for underground equipment operation.
Dual Explosion-Proof Technology

Innovative Cooling Technology

  • Breakthrough patented full-corrugated cooling design integrates an active cooling tube network with a zoned heat dissipation layout for highly efficient heat removal.
  • Curved corrugated roof combined with open sides keeps underground conditions optimal.
Innovative Cooling Technology

Precision Insulation Protection

  • DuPont NOMEX insulation paper combined with VPI vacuum pressure impregnation creates a comprehensive insulation barrier.
  • Elliptical active part overcomes space constraints, while eight-point fastening technology and vertical handhole design improve maintenance efficiency.
Precision Insulation Protection

Mobile Power Supply Solution

  • Professional wheeled chassis system enables flexible site relocation for high-power equipment.
  • Full-coverage safety early warning supports dynamic power supply for mining sections.
Mobile Power Supply Solution

Double-Split Power Supply Technology

  • Innovative low-voltage double-split technology enables a single transformer to deliver two sets of three-phase power output.
  • Smart PLC and dual-circuit protection systems work together to optimize underground space utilization.
Double-Split Power Supply Technology

Customer Value

Comprehensively improve safety performance

Strengthen underground power supply safety

Significantly improve equipment operational stability

Reduce downtime risk from failures

Easy installation

Improve on-site deployment efficiency

Hassle-Free Maintenance

Simpler Maintenance Operations

Excellent temperature rise control performance

Stable heat dissipation under high loads

Achieve energy efficiency improvement of over 25%

Reduce energy costs at mining sites

Partnering with leading industry customers to build critical digital infrastructure

Pingdingshan Coal Group

Pingdingshan Coal Group

Listed in 1952 as a major construction project of China's First Five-Year Plan and in 1953 as one of the ten mining area construction projects nationwide, the Pingdingshan mining area was the first large mining area developed in New China. Attaching great importance to production safety, Pingmei Group is extremely cautious in transformer procurement and imposes very demanding performance requirements. CEEG's KBSG mining flameproof transformers, with their unique cylindrical design and outstanding flameproof performance, have won repeated large-volume tenders, and its high-temperature-resistant main transformers have recently become the first choice of the Group's electrical power division, with cumulative contract value exceeding RMB 30 million.<br>

SDIC New Energy Group

SDIC New Energy Group

SDIC New Energy Co., Ltd. is a large joint-stock coal enterprise established and operating under modern enterprise systems, one of the 520 key large state-owned enterprises supported by the state and one of the country's 34 key coal enterprises. CEEG won all bids in the two tenders for 39 KBSG flameproof transformers for SDIC New Energy Group. The group highly appreciated the unique cylindrical design and outstanding flameproof performance of CEEG's products.<br>

Shenhua Group

Shenhua Group

Shenhua Group Co., Ltd. is a comprehensive energy enterprise whose core businesses cover coal production and sales, electricity and heat production and supply, coal-to-liquids and coal chemicals, as well as related railway, port, and other transportation services. With great importance attached to production safety, Shenhua Group has always spared no effort in safety investment. After multiple rounds of screening, CEEG's series of transformers stood out among numerous competitors and became its supplier of transformer equipment. Shenhua Group has since placed successive orders with CEEG, mainly including SG10 dry-type transformers and KBSG mining flameproof dry-type transformers, with a total procurement value of RMB 36 million.<br>

Uzbekistan Project

Uzbekistan Project

Uzbekistan is one of the world's top ten leading countries in reserves of important mineral resources and a key pivotal country of the Belt and Road Initiative. Rich in mineral resources such as gold, silver, and uranium yet underdeveloped, it offers great market potential and strong demand for high-quality distribution transformers and related power equipment. In 2021, CEEG mining flameproof substations were successfully exported and delivered to high quality standards, promoting deeper development of the region's mineral resources.<br>

Qinfa No.1 Mine Coal Washing Plant Project, SDE Mine, Indonesia

Qinfa No.1 Mine Coal Washing Plant Project, SDE Mine, Indonesia

Located in Southeast Asia, Indonesia holds coal reserves of more than 100 billion tons, enough for nearly 60 years of mining, and is China's largest source of coal imports. As Indonesia's first large underground coal mine, the commissioning of SDE Mine No. 1 marks Indonesia's entry into the era of underground coal mining, is of great significance for the transformation and upgrading of Indonesia's mining industry and its economic and social development, and will have a lasting impact on the energy landscape of Indonesia and the world. CEEG's R&D team held in-depth technical exchanges with the customer and tailored multiple prefabricated cabin-type smart substations for the project. Integrating advanced automation control technology and high-efficiency power equipment, these substations offer multiple advantages such as convenient installation, intelligent operation and maintenance, and high efficiency and energy savings, and will serve the coal washing plant project of Qinfa Mine No. 1 at Indonesia's SDE mine. This not only demonstrates the company's strong strength in intelligent power equipment, but also further consolidates its position in the international market.<br>

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Consultation Process

01

Needs Assessment

We discuss project type, capacity, voltage class, application, installation environment, and delivery milestones to define basic requirements.

02

Parameter Confirmation

Load characteristics, energy efficiency class, cooling method, protection requirements, interface conditions, and applicable standards are confirmed as technical inputs.

03

Solution Sign-Off

Confirms product selection, technical solutions, drawings, test requirements, and commercial terms to advance contract signing.

04

Production Scheduling

Design, procurement, manufacturing, in-process inspection, and factory testing are organized per the confirmed technical documents to keep delivery on schedule.

05

Shipment and Delivery

Handles packaging, protection, logistics shipping, and delivery documentation handover, supporting on-site acceptance and equipment positioning.

06

Installation Service

Installation and commissioning, operation guidance, O&M recommendations, and after-sales response support long-term stable equipment operation.

We can customize a dedicated power solution for you