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Underground Medium Voltage VFD


4160 VAC Motor Controller
End View



4160 VAC Motor Controller Front View
Front View



Imput Line Reactor
Imput Line Reactor



Liquid Cooled Rectifier and Invester
Liquid Cooled Rectifier and Inverter



Liquid Cooled Rectifier and Invester
Liquid Cooling Controls



Liquid Cooled Rectifier and Invester
Low Voltage Controls



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Medium Voltage VFD
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For more information,
please contact:
sales@system-controls.net.

 


4160 Volt VFD Underground Motor Controller

  • Liquid Cooled Components
  • Active Front End - No Transformer
  • 3300 - 6900 VAC
  • 700 - 2500 HP
  • Skid-Mounted Continuous Weld Design
  • Input and Output Couplers Standard
  • Rubber Tire Option
  • 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

  • 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 Systems
Liquid Cooling for Longer Life!
  • Closed-Loop De-Ionizing Liquid Cooling
  • Integral Flat Plate Heat Exchanger Keeps Closed-Loop System Clean and Contained
  • 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
Underground Mining Equipment VFD Motor Controls
  • Face Conveyor and Stageloader Applications
  • Torque and Speed Control
  • Enhanced Overload Capacity

    Allows Face Conveyor to Operate at Reduced Speeds:
  • Minimizes Chain Wear by up to 40%
  • Reduces Energy Costs
  • Extends Time Between Rebuilds

    Extreme Overload Capabilities:
  • PowerFlex 7000 Kit May be Customized
  • Normal Duty at 110%, Heavy Duty at 150%
  • Mine Duty at 280% Overload for 20 seconds of Each 120 Seconds
  • 6.6 kv Rectifiers with Oversized DC Link Choke and Input Line Reactor

    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

    Unlimited Conveyor Start Time Minimizes Belt Tensions:
  • Minimizes HP Required and Conveyor Component Sizes
  • Reduces TakeUp Requirements
  • Extends Belt Life

    Allows Conveyor to Operate at Reduced Speeds:

  • When Less Than Design TPH is Required Conveyor Speed May Be Reduced Belt Inspection Speed for Maintenance

    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

    Lower 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

    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
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Call Toll Free: 800-860-6062

Telephone: (205) 661-3999
Fax:(205) 661-3997


System Controls, Inc.
7015 Haisten Drive
Trussville, AL 35173

© 2014 - System Controls, Inc.


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