INVT’s four-quadrant hoist solution integrates customized design, extreme energy saving, precise control, operating condition adaptation and full-life-cycle service.It delivers comprehensive value for mining and mineral processing hoisting equipment: enhanced safety, reduced energy consumption, upgraded efficiency and simplified operation & maintenance, helping mining enterprises lower costs, boost efficiency and achieve green transformation.
High safety risks: Heavy shock during startup and shutdown, prone to car slipping, overwinding, slack ropes and brake failure, threatening personnel and equipment safety.
High energy costs: No energy feedback, potential energy wasted directly during lowering, high power consumption at power frequency operation, leading to persistent high electricity costs.
Low operation and maintenance efficiency: Insufficient fault early warning, difficult troubleshooting, frequent unplanned shutdowns, and time-consuming maintenance affecting production continuity.
Poor operating condition adaptability: Equipment is prone to aging and failure in humid, dusty and corrosive mine environments, resulting in insufficient operational stability.
Low control accuracy: Rough speed regulation, inaccurate positioning and low conveying efficiency, making it difficult to meet the requirements of continuous mine production.
Centered on the INVT GD880 four-quadrant frequency converter, the solution integrates zero-speed hovering and multiple safety protections, adapting to the dusty and humid mine conditions to ensure safe production.It converts regenerative potential energy through energy feedback technology, and achieves non-stop production via unit redundancy and instantaneous power failure ride-through.It delivers full lifecycle value improvement for customers featuring "energy saving, safety, high efficiency and continuity".
View Larger ImageBidirectional Energy Flow: Adopts AFE active front-end PWM rectification to efficiently feed regenerative energy back to the grid during lowering of heavy loads.
Zero-Speed Hovering: Can output 200% starting torque at 0Hz low frequency. Combined with smooth integration of zero-speed hovering and electric/mechanical braking, it ensures no rollback during start-stop on half slopes with full load.
Multi-Core Control: Tri-core architecture of DSP + FPGA + ARM delivers high control precision and fast system response.
Ultra-Simplified Modularity: Power unit redundancy + low voltage ride-through + flying start. The production line keeps running in case of single-point failure or grid fluctuation.
Ultra-Simplified Modularity: Modular unit with hot-swappable maintenance. Pre-diagnosis system monitors the lifespan of key components in real time, with fault location down to component level.
Four-quadrant energy feedback technology enables 100% regenerative power feedback, greatly reducing power consumption per ton of ore.
Ultra-strong low-frequency high torque and zero-speed hovering prevent sliding during heavy-duty starting on half slopes. Emergency braking is smooth and reliable, eliminating sliding accidents and ensuring the safety of personnel and equipment.
Smooth start-stop control and harmonic suppression technology reduce mechanical shock and wear, extend the service life of mechanical components, and significantly lower maintenance costs.
Multi-core control with precise speed regulation and positioning improves the efficiency of loading and unloading operations
Modular unit redundancy allows derated operation in case of unit failure. The pre-diagnosis system provides real-time monitoring and rapid fault location, avoiding production losses and reducing unplanned downtime.
Alumina Production Line Low-Voltage Drive Solution
With high-efficiency variable frequency technology, INVT achieves system-wide energy saving, stable process control, long equipment service life, safe power supply and intelligent operation & maintenance.It provides core electrical solutions to reduce costs, stabilize production and improve efficiency for alumina production lines.
Copper smelting Line Low-Voltage Drive Solution
INVT takes the IPE300 as the core, adapting to the full-process low-voltage loads of copper smelting, achieving reliable operation in harsh environments and precise process control, ensuring continuous and efficient production lines.
Copper Smelting SO₂ Fan Medium-Voltage Drive Solution
INVT's Medium-voltage VFD solution for SO₂ fans is tailored to the operating conditions of SO₂ fans in copper smelting. It features anti-corrosion, anti-shock performance and precise speed regulation, ensuring stable operation, environmental compliance, cost reduction and efficiency improvement.
Mining Belt Conveyor Drive Solution
INVT’s variable frequency solution for mining belt conveyors adapts to heavy-duty and harsh working conditions through adaptive intelligent control.Master-slave coordination and heavy-duty starting technologies ensure stable operation of belt conveyors. Combined with intelligent operation and maintenance, it helps customers achieve stable and energy-saving equipment performance, safety and reliability, as well as cost reduction and efficiency improvement.
Mining Flotation Solution
INVT’s flotation and mineral processing solution delivers stable and reliable production, higher concentrate recovery rate, lower overall cost, and hassle-free operation and maintenance experience for customers.
Ironmaking Process Solution
INVT’s variable frequency drive solution for ironmaking processes focuses on strong environmental resistance, heavy-load adaptability, high efficiency & energy saving, and power grid self-healing, creating a highly reliable drive system for the entire ironmaking process.
Steelmaking Process Solution
INVT’s variable frequency drive solution for steelmaking processes features high reliability, strong anti-interference capability, precise control, stable continuity, easy operation and maintenance, and comprehensive safety as its core advantages.It adapts to extreme steelmaking working conditions, solves pain points in production and operation, and ensures continuous and efficient operation throughout the entire steelmaking process, as well as cost reduction and efficiency improvement.
Hot Rolling Mill solution
INVT's drive solution for bar and wire rod hot rolling production lines achieves full-link synchronization, micro-tension and high-performance control, adapting to the harsh working conditions of rolling lines and enabling efficient production.
Cold Rolling Mill Solution
INVT GD880 solves pain points such as precise control of multi-roll mills, achieving stable and efficient operation, cost reduction and quality improvement, ensuring reliable operation of cold rolling production lines.
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