INVT Scraper Conveyor Intelligent Drive System adopts variable frequency cooperative control + multiple safety protections, eliminating chain breakage and overload risks, reducing energy consumption and solving high-power heat dissipation challenges.
Risk of chain breakage / overload: Start-stop shocks cause a sudden increase in chain stress, resulting in huge production downtime losses
High energy consumption: Motors operate at power frequency with long-term light load, leading to significant power waste
Challenges with long cables and high-power heat dissipation
One mining permanent magnet synchronous variable frequency integrated unit is installed at each of the head and tail of the scraper conveyor in the fully mechanized mining face, and one mining permanent magnet synchronous variable frequency integrated unit is configured for the stage loader. The three permanent magnet VFD integrated units realize master-slave control operation of multiple devices through the intelligent integrated unit operation box.
View Larger Image- Open-loop vector control, 200% heavy-duty starting at 0Hz, no conveyor jamming.
- Higher operating efficiency with remarkable energy-saving effect.
- Millisecond-level response, excellent synchronization, and uniform load distribution.
- Low harmonic content reduces interference to external equipment and power grid.
- Water-cooled design effectively solves high-power heat dissipation challenges.
- IoT cloud platform supports remote data monitoring and is compatible with smart mine standard communication interfaces.
Open-loop vector algorithm delivers 200% rated torque at zero speed, completely eliminating heavy-duty start-stop shocks.
IoT cloud platform supports remote data monitoring and is compatible with standard communication interfaces for smart mines.
Mature and professional master-slave communication enables one-master multi-slave control with high reliability.
Water cooling system provides significantly higher heat conductivity than air cooling, directly addressing the 45°C mine ambient temperature challenge.
Belt Conveyor
INVT Belt Conveyor Solution integrates low-frequency heavy-duty motor starting, long-cable drive, CAN-based multi-machine power balancing and fast master-slave switching.
Hoist
INVT provides a fully variable-frequency digital hoisting system, which focuses on solving key pain points of mine hoisting in terms of safety, energy consumption and intelligence, achieving intrinsic safety in transportation and intelligent operation and maintenance.
Main Shaft Fan
INVT provides a ventilation system based on intelligent variable frequency control, enabling precise air volume regulation. Its value lies in energy saving, high efficiency, improved production safety, and reduced operation and maintenance costs.
Auxiliary Fan
INVT provides an intelligent variable frequency control system for auxiliary fans. By replacing damper throttling with variable frequency speed regulation, it realizes variable frequency soft start and one-operation one-standby mode, achieving safe, efficient and unmanned operation.
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.
Emulsion Pump
INVT provides an intelligent variable-frequency control solution for emulsion pump systems, enabling precise pressure regulation, energy saving and consumption reduction, as well as remote operation and maintenance, ensuring safe and efficient fluid supply for fully mechanized coal mining faces.
Emergency Power Supply
INVT medium-voltage mine emergency power supply solution realizes adaptive uninterrupted control of mine power supply processes, mitigates grid fluctuation impacts and production losses caused by power outages, improves emergency response efficiency and power supply operation energy efficiency, ensures continuous safe production of core underground coal mine operations, and delivers high overall power supply reliability.
Ball Mill
INVT's intelligent frequency conversion solution for ball mills realizes adaptive control of the ore grinding process, reduces startup-shock impact and energy consumption, improves grinding efficiency, ensures continuous and safe production in coal preparation, and achieves a high comprehensive energy-saving rate.
Mine Truck
INVT electric drive mining truck products cover traction systems for large open-pit electric wheel haulers above 100 tons, delivering high-efficiency electric drive solutions for heavy-duty transportation in open-pit mines.
Monorail Crane
INVT monorail crane realizes precise speed regulation and zero-speed hovering under heavy load in underground mines, eliminates derailment risks, improves material transportation continuity, and enhances equipment turnover efficiency at fully mechanized mining faces.
Trackless Rubber-tyred Vehicle
INVT trackless rubber-tyred vehicle realizes heavy-duty explosion-proof transportation underground, prevents vehicle sliding on slopes, and enables precise start and stop. It improves material turnover efficiency and ensures zero accidents in underground auxiliary transportation.
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