Description

Send Inquiry

Energy-Saving Permanent Magnet Motors for Mining

Core Technology Advantages

High-Efficiency and Energy-Saving Design

Permanent magnet direct drive technology eliminates the reduction gearbox, achieving system efficiency exceeding 90%, saving 15%-30% energy compared to traditional drive systems.

Variable frequency speed regulation technology adapts to dynamic load variations, saving over 550,000 kWh of electricity annually and reducing carbon emissions by 0.5 tons.

Permanent magnet excitation eliminates excitation losses, maintaining a high power factor within the load range of 25%-120%, and improving overall energy efficiency by 8%-12%.

Highly Reliable Structure

The direct drive architecture eliminates gear wear and oil leakage, and supports shock and vibration resistance up to 10 times the acceleration of gravity.

The flameproof design meets mine safety standards, and heavy-load soft starting prevents equipment damage (such as in the TBYC series explosion-proof models).

Compactness and Intelligent Control

The semi-direct drive solution is 20%-50% smaller than a full direct drive solution, and the integrated reduction function improves torque density.

A built-in CAN/RS485 interface enables precise speed regulation and remote monitoring, with a speed control accuracy of ±0.1%.

Key Performance Parameters (Typical Specifications)

Power Range: Covers 60W to 3MW, with the main mining models ranging from 560kW to 1400kW.

Speed Characteristics: Outputs one million Newton-meters of torque at ultra-low speeds (10 rpm), suitable for heavy-duty equipment such as electric shovel hoists.

Efficiency: Rated efficiency >90%, with efficiency fluctuation less than 5% across a wide load range.

Protection Rating: Standard IP54/IP55 dust and water resistance, withstanding temperatures up to 150°C in high-temperature mine environments.

Mining Application Results

Large-Scale Mining Equipment

A 1400kW permanent magnet direct-drive motor drives a 55-cubic-meter electric shovel hoist, saving 800,000 kWh of electricity annually and reducing carbon emissions by 225 tons.

Ore Processing System

A 3MW high-voltage permanent magnet semi-direct drive system for slag vertical mills achieves an overall energy saving of 12.4%, saving 1.2 million yuan in annual electricity bills.

The ball mill adopts a 75kW permanent magnet motor, saving 8% in electricity and increasing production capacity by 12%.

Underground Safety Equipment

The K45 mining fan, equipped with a permanent magnet variable-frequency motor, reduces energy consumption by 30% and supports intelligent air volume adjustment.

The permanent magnet direct drive system solves the problem of heavy-load starting for belt conveyors, improving transmission efficiency by 15%.

Technology Evolution

High Power Density

3MW-class high-voltage models are being deployed on a large scale, increasing torque density by 40%.

Intelligent IoT

Integrated temperature and vibration sensors enable fault prediction and adaptive control.

Adaptability to Extreme Environments

Specialized magnetic steel materials for high-temperature (>150°C) operation in high-altitude and deep-mine conditions are under development.

Honor And Qualification

The company holds over 80 patents and 18 provincial-level industrial new products. It is certified to ISO9001 for quality, ISO14001:2015 for environmental, and ISO45001 for occupational health. Its products are certified to China 3C, US UL, Canadian CUL, Australian SAA, and EU CE and ROHS.

Application Areas

Textile Industry

① Motors for circulation fans in textile printing and dyeing machines.

② Motors for textile texturing machines.

Industry and Energy

① Mining/Steel Mill Equipment: Single units with power up to 260kW, cascading to MW-class, suitable for direct-drive systems.

② Breeze Power Generation: Low wind speed start-up (force 3) with a wide high-efficiency range, suitable for small and medium-sized wind turbines.

High-End Equipment

① Robotic Joints: High torque density and precise control, supporting integrated harmonic reduction design.

② Aerospace: Lightweight and high power density meet the requirements of drones and electric aircraft.

Case

Case 1

Location: Daqing Oilfield
Motor Model: JNPM520-30-255
Key Parameters:
Power: 30 kW
Torque: 1,123 N·m
Speed: 255 RPM

Case 2

Location: Daqing Oilfield
Motor Model: JNPM290-30
Power: 30kW
Torque: 286N ·m
Speed: 1000 RPM

Case 3

Location: Production equipment for textile printing and dyeing factories
Motor Model: JNPM173-7.5
Key Parameters:
Power: 7.5kW
Torque: 49 N·m
Speed: 1450 RPM

Company Advantages

The company is committed to building its brand. Through years of hard work, its "Weidi" trademark has been recognized as a "Famous Trademark of Zhejiang Province" and its "Weidi" brand motors have been designated as "Famous Brand Products of Hangzhou." The company has also been recognized as a "Science and Technology Enterprise of Zhejiang Province," a "Patent Demonstration Enterprise of Zhejiang Province," a "Made-in-Zhejiang Product," a "Specialized, Specialized, and Innovative Enterprise of Zhejiang Province," a "National High-Tech Enterprise," and a "National Intellectual Property Advantage Enterprise." It also has established a provincial-level enterprise research institute.

The company actively leverages customer support and its own efforts to continuously improve product quality, enhance product visibility and reputation, and further develop its expertise, strength, and scale in the high-end equipment and smart home motor industries.