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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:

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Presentation on theme: "MEDIUM VOLTAGE VFD MOTOR CONTROLLER Liquid Cooled Components Active Front End - No Transformer 3300 – 6900 VAC 700 – 2500 HP www.system-controls.net Contact:"— Presentation transcript:

1 MEDIUM VOLTAGE VFD MOTOR CONTROLLER Liquid Cooled Components Active Front End - No Transformer 3300 – 6900 VAC 700 – 2500 HP Contact:

2 Single 1000 HP, 4160 VAC Motor Controller with Rubber Tire Option

3 Skid-Mounted Continuous Weld Design Input and Output Couplers Standard Rubber Tire Option 4160 Volt VFD Underground Motor Controller

4 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 4160 Volt VFD Underground Motor Controller

5 PowerFlex 7000 Kit Rockwell Automation PowerFlex 7000 Liquid-Cooled Direct-to-Drive kit packaged for Underground Use Liquid Cooled Rectifier and Inverter

6 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

7 Liquid Cooling for Longer Life! Closed-Loop De-Ionized Liquid Cooling Integral Flat Plate Heat Exchanger Keeps Closed-Loop System Clean and Contained

8 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

9 Underground Mining Equipment VFD Motor Controls Face Conveyor and Stageloader Applications Torque and Speed Control Enhanced Overload Capacity

10 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

11 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

12 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

13 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

14 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

15 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

16 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

17 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

18 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

19 MEDIUM VOLTAGE VFD MOTOR CONTROLLER Liquid Cooled Components Active Front End - No Transformer 3300 – 6900 VAC 700 – 2500 HP Contact:


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