Medium Voltage VFD Motor Controller
Standard Duty All Purpose
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Product Features
4160 Volt VFD Underground Motor Controller
- 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:
- Motor Leads Up to 10 KM
- Separate Controls in Skid or Wall Mounted Configuration
- Used in Multiple Motor Configurations, Add or Remove Motors as Required
- Closed Loop Liquid Cooling System Keeps VFD Cooler and Cleaner for Increased Life and Reliability
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