Coal Shearer
INVT provides highly intelligent electronic control system solutions for shearers, breaking the monopoly of international brands, and achieving safe mining, intelligent control and remote operation and maintenance.
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Industry Challenges
01
Import Dependence: Core components have long been monopolized by international brands, resulting in high procurement costs and long delivery cycles.
02
Poor System Stability: Old control systems feature high failure rates, affecting continuous mining efficiency.
03
Insufficient Intelligence: High reliance on manual labor, low cutting accuracy, and easy occurrence of resource waste.
04
Difficult Operation and Maintenance: Delayed underground fault diagnosis leads to huge losses from shutdowns.
INVT Solution
Coal Shearer
Centered on independently developed high-performance engineering-type frequency converters, and combined with explosion-proof design, multi-machine coordinated control and a real-time data platform, a dual-drive architecture of "local control + remote monitoring" is constructed. The cutting speed is dynamically adjusted through a load-adaptive algorithm.
View Larger ImageSolution Highlights
- Based on 32-bit DSP, supports asynchronous & synchronous motors.
- Excellent anti-vibration performance, meeting 5G vibration standards for shearers.
- Compact size for easy system integration by customers.
- Surface-mount structure for convenient and fast installation.
- Four-quadrant operation to meet energy feedback requirements.
- Ultra-wide voltage range of -25%~15%, resisting shocks from power frequency equipment startup and shutdown.
Customer Benefits
01Customized Explosion-Proof VFD
Advantages: Adaptable to high-dust and gas environments, 200% overload capacity
Benefits: Reduce equipment failure rate and extend service life
02Multi-Motor Cooperative Control Technology
Advantages: Real-time dynamic correction of cutting trajectory
Benefits: Increase coal recovery rate by 15% and reduce resource waste
03Cloud-Based Intelligent Diagnosis Platform
Advantages: Early warning of core component abnormalities and generation of operation and maintenance reports
Benefits: Shorten fault handling time and reduce downtime losses
04Four-Quadrant Energy Feedback and Dynamic Energy-Saving Algorithm
Advantages: Reduce ineffective motor energy consumption
Benefits: Save electricity costs and lower carbon emissions
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GD1000 Series VFD for Coal Mining Machines
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