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MEDIUM VOLTAGE VFD MOTOR CONTROLLER Liquid Cooled Components Active Front End - No Transformer 3300 – 6900 VAC 700 – 2500 HP www.system-controls.net Contact: [email protected] Single 1000 HP, 4160 VAC Motor Controller with Rubber Tire Option 4160 Volt VFD Underground Motor Controller • Skid-Mounted Continuous Weld Design • Input and Output Couplers Standard • Rubber Tire Option 4160 Volt VFD Underground Motor Controller • • • • • Voltages from 3300 to 6900 AC Horsepowers from 750 to 2500 Regenerative Applications Standard Constant Torque Duty – 150% Overload Standard Custom Design Allows for 250% Overload PowerFlex 7000 Kit Rockwell Automation PowerFlex 7000 Liquid-Cooled Direct-to-Drive kit packaged for Underground Use Liquid Cooled Rectifier and Inverter PowerFlex 7000 • Active Front End (AFE) is Regenerative - Standard • AFE means no Integral Transformer Required • Direct-to-Drive (D2D) means 4160 vac In and 4160 vac Out to Motor • Liquid Cooled Components Stay Cooler and Cleaner = Longer Life • Reduces Harmonics on Electrical System Liquid Cooling for Longer Life! • Closed-Loop De-Ionized Liquid Cooling • Integral Flat Plate Heat Exchanger Keeps Closed-Loop System Clean and Contained Liquid Cooling for Longer Life! • Flange Fittings for Mine Cooling Water Input and Hot Water Return • Redundant Pumps for Ease of Maintenance • Controls Monitor Temperature, Pressure, and Conductivity of Cooling Liquid DC Link Choke Underground Mining Equipment VFD Motor Controls • Face Conveyor and Stageloader Applications • Torque and Speed Control • Enhanced Overload Capacity Underground Mining Equipment VFD Motor Controls • Allows Face Conveyor to Operate at Reduced Speeds: – Minimizes Chain Wear by up to 40% – Reduces Energy Costs – Extends Time Between Rebuilds Underground Mining Equipment VFD Motor Controls • Extreme Overload Capabilities: – PowerFlex 7000 Kit May be Customized – Normal Duty at 110%, Heavy Duty at 150% – Mine Duty up to 280% Overload for 20 Seconds of Each 120 Seconds – 6.6 kv Rectifiers with Oversized DC Link Choke and Input Line Reactor Underground Mining Equipment VFD Motor Controls • Modular Liquid Cooled Design: – Used in Multiple Motor Configurations, Add or Remove Motors as Required – Separate Controls in Skid or Wall Mounted Configuration – Closed Loop Liquid Cooling System Keeps VFD Cooler and Cleaner for Increased Life and Reliability – Motor Leads Up to 10 KM 4160 Volt VFD for Underground Belt Conveyor Controls • Modular Design Provides Flexibility in Number of Motors Used • Main or Booster Applications • Torque and Speed Control 4160 Volt VFD for Underground Belt Conveyor Controls • Unlimited Conveyor Start Time Minimizes Belt Tensions: – Minimizes HP Required and Conveyor Component Sizes – Reduces TakeUp Requirements – Extends Belt Life 4160 Volt VFD for Underground Belt Conveyor Controls • Allows Conveyor to Operate at Reduced Speeds: – When Less Than Design TPH is Required Conveyor Speed May Be Reduced – Belt Inspection Speed for Maintenance 4160 Volt VFD for Underground • Modular Liquid Cooled Design: – Used in Multiple Motor Configurations, Add or Remove Motors as Required – Separate Belt Controls in Skid or Wall Mounted Configuration – Closed Loop Liquid Cooling System Keeps VFD Cooler and Cleaner for Increased Life and Reliability 4160 Volt VFD for Underground • Lowers Electrical Harmonics: – Active Front End Provides Regenerative Ability – Active Front End Meets IEEE-519 Requirements – SGCT Devices Use Slower Switching Frequencies Reducing Common Mode Noise – Eliminates Need for Drive Isolation Transformers – Eliminates Harmonics Damage to Electrical Distribution Equipment – Motor Lead Lengths Up to 10 KM 4160 Volt VFD for Underground • Reduces Installation Cost of Low Voltage: – Saves on Cable Cost – Smaller Cables Reduce Installation Time – For 400’ of Cabling: • Saves Over $70,000 in Cable Cost • Requires Less Than 1/3 of Time to Install or Move MEDIUM VOLTAGE VFD MOTOR CONTROLLER Liquid Cooled Components Active Front End - No Transformer 3300 – 6900 VAC 700 – 2500 HP www.system-controls.net Contact: [email protected]
