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  • Variable Frequency Drive Systems and Controls
    • What is a Variable Frequency Drive? (Part 1)
      • What is a Variable Frequency Drive? (Part 2)
    • Variable Frequency Drives (VFDs) and Cooling Towers
  • AC Variable Frequency Drives
    • ABB ACS150 Component Drives :: Overview
      • ABB ACS150 Component Drives :: Technical Specifications
      • ABB ACS150 Component Drives :: Ratings, Types, Voltages and Construction – Prices
      • ABB ACS150 Component Drives :: Dimensions, Weight and Noise
      • ABB ACS150 Component Drives :: Interface and Options (prices)
      • ABB ACS150 Component Drives :: Technical Data
      • ABB ACS150 Component Drives :: Control Connections
    • ABB ACS350 General Machinery Drives :: Overview
      • ABB ACS350 General Machinery Drives :: Technical Specifications
      • ABB ACS350 General Machinery Drives :: Ratings, Types, Voltages and Construction
      • ABB ACS350 General Machinery Drives :: Dimensions, Weight and Noise
      • ABB ACS350 General Machinery Drives :: Interface and Options (prices)
      • ABB ACS350 General Machinery Drives :: Technical Data
      • ABB ACS350 General Machinery Drives :: Control Connections
    • ABB ACS550 AC Variable Frequency Drive :: Overview
      • ABB ACS550 AC Variable Frequency Drive :: Hardware Description
      • ABB ACS550 AC Variable Frequency Drive :: Standard Features and Options
      • ABB ACS550 AC Variable Frequency Drive :: Specifications
      • ABB ACS550 AC Variable Frequency Drive :: 230V Ratings (pricing)
      • ABB ACS550 AC Variable Frequency Drive :: 380V Ratings (pricing)
      • ABB ACS550 AC Variable Frequency Drive :: 480V Ratings (pricing)
      • ABB ACS550 AC Variable Frequency Drive :: Dimensions: ACS550 NEMA 1 R1 through R6 Frame Size
      • ABB ACS550 AC Variable Frequency Drive :: Dimensions: ACS550 NEMA 12 R1 through R6 Frame Size
      • ABB ACS550 AC Variable Frequency Drive :: Dimensions: ACS550-02 NEMA 1 R7 Frame Size
      • ABB ACS550 AC Variable Frequency Drive :: Dimensions: ACS550-02 NEMA 1 R8 Frame Size
      • ABB ACS550 AC Variable Frequency Drive :: Dimensions: ACS550-U2 NEMA 1 R7 & R8 Frame Size
    • ABB ACS 600 Adjustable Speed AC Drives
    • ABB ACS800 AC Variable Frequency Drive :: Overview
      • ABB ACS800 AC Variable Frequency Drive :: Standard Features / Available Options and Software
      • ABB ACS800 AC Variable Frequency Drive :: Specifications
      • ABB ACS800 AC Variable Frequency Drive :: Basic Type Code Information
      • ABB ACS800 AC Variable Frequency Drive :: 230V Ratings (pricing)
      • ABB ACS800 AC Variable Frequency Drive :: 380V Ratings (pricing)
      • ABB ACS800 AC Variable Frequency Drive :: 460V Ratings (pricing)
      • ABB ACS800 AC Variable Frequency Drive :: ACS 800-U2 NEMA 1 R7 & R8 Frame Size and ACS 800-02+C111 IP21 (NEMA 1) R7 & R8 Frame Size
      • ABB ACS800 AC Variable Frequency Drive :: ACS 800 NEMA 1/12 R2 through R6 Frame Size
      • ABB ACS800 AC Variable Frequency Drive :: ACS 800-02 NEMA 1 R7 & R8 Frame Size
      • ABB ACS800 AC Variable Frequency Drive :: ACS 800-U4 Module R7 Frame Size
      • ABB ACS800 AC Variable Frequency Drive :: ACS 800-U4 Module R8 Frame Size
    • ABB ACS880 Industrial Low Voltage AC Drives
      • ABB ACS880 AC Drives – Technical Data
      • Wall-mounted single drives, ACS880-01
      • ABB ACS880 Ratings, types and voltages
      • ABB ACS880 AC Drives – Dimensions & Connectivity
      • ABB ACS880 AC Drives – Standard Software
      • ABB ACS880 AC Drives – Intuitive Human-Machine Interface
      • ABB ACS880 AC Drives – Integrated Safety
      • ABB ACS880 AC Drives – Flexible Connectivity
      • Input/output Modules, Speed Feedback Interfaces & Communication Modules
    • ABB Softstarters, Type SSM, Medium Voltage, 2300-13,800V :: Description
      • ABB Type SSM Softstarters – Medium Voltage, 2300-13,800V :: General Information
      • ABB Type SSM Soft Starters – Medium Voltage, 2300 – 13,800V :: Catalog Numbers
      • ABB Soft Starters, Type SSM – Medium Voltage, 2300-13,800V :: Technical Data
      • ABB Softstarters, Type SSM, Medium Voltage, 2300-13,800V :: Approx. Dimensions
    • Yaskawa AC Drives
      • Yaskawa A1000 600V AC Drive Specifications and Ratings
        • Yaskawa A1000 AC Drive Options
    • AuCom Soft Starters
      • AuCom CSX and CSXi Soft Starters
        • CSX & CSXi – Easy to Operate
        • CSX & CSXi – EQUI-VEC: Balanced Vector Control
        • CSX & CSXi – Features and Specifications
        • CSX & CSXi – The Complete Range
        • CSX & CSXi – Installation
        • CSX & CSXi – Accessories/Optional Features
      • AuCom EMX3 Soft Starters
        • XLR -8: Adaptive Acceleration Control
        • EMX3 – Easy to Understand Display
        • EMX3 – Easy to Install, Easy to Operate
        • EMX3 – Features and Specifications
        • EMX3 – Dimensions and Ratings
        • EMX3 – Accessories/Other Features
    • Emerson Industrial Automation (Control Techniques and Saftronics) AC Drives
      • Control Techniques – Commander SE AC Drive
        • Commander SE :: Features, Ratings, Prices & Ordering
        • Commander SE :: Terminal Diagram and Description
        • Commander SE :: Specifications and Dimensions
        • Commander SE :: Options
        • Commander SE :: Communication / Interface
        • Commander SE :: Power Accessories
        • Commander SE :: Input / Output & Communication
      • Control Techniques – Commander SK AC Drive
        • Commander SK :: Features
        • Commander SK :: Terminal Diagram and Description
        • Commander SK :: Specifications and Dimensions
        • Commander SK – Options :: Overview
        • Commander SK – Options :: Configuration and Programming
        • Commander SK :: Operator Interface
        • Commander SK :: Power Accessories
        • Commander SK :: Environmental Protection and Cable Management
        • Commander SK :: Input / Output
        • Commander SK :: Communication
        • Commander SK :: Programming Software
      • Control Techniques – Commander SX AC Drive
        • Commander SX :: Features, Ratings, Prices and Ordering
        • Commander SX :: Terminal Diagram and Description
        • Commander SX:: Specifications and Dimensions
        • Commander SX :: Options – Overview / Drive Configuration and Programming
        • Commander SX :: Communication / Operator Interface
        • Commander SX :: Power Accessories
        • Commander SX :: Input/Output and Communication
      • Control Techniques – Unidrive SP AC Drive
        • Unidrive SP :: Features
        • Unidrive SP :: Ratings, Prices & Ordering – Wall Mount
        • Unidrive SP :: Ratings, Prices & Ordering – Free Standing Cubicle
        • Unidrive SP :: Unidrive SP Regen Mode
        • Unidrive SP :: Terminal Diagram and Description
        • Unidrive SP :: Specifications and Dimensions
        • Unidrive SP :: Options – Overview
        • Unidrive SP :: Operator Interface
        • Unidrive SP :: Power Accessories
        • Unidrive SP :: Option & Feedback Modules
        • Unidrive SP :: Option Input / Output Modules
        • Unidrive SP :: Option Application / Programming Modules
        • Unidrive SP :: Option Communication Modules
        • Unidrive SP :: Drive Configuration and Programming
        • Unidrive SP :: Application Programming Software
        • Unidrive SP :: Pre-packaged Solutions
      • Saftronics GP10 AC Drives
        • Saftronics GP10 – Pricing, Dimensions & Weights
        • Saftronics GP10 – Optional DC Link Reactors
        • Saftronics GP10 – Options & Accessories
        • Saftronics GP10 – Palm Pilot Saflink Kit
        • Saftronics GP10 – SR10 Radio Modem Kit
        • Saftronics GP10 – Relay Output Card
        • Saftronics GP10 – Digital I/O Interface Card
        • Saftronics GP10 – Analog I/O Interface Card
        • Saftronics GP10 – SF-10 Ethernet Module
        • Saftronics GP10 – Interface Option Card
        • Saftronics GP10 – Under Torque Detection Option
        • Saftronics GP10 – 24 VDC or 24/120 VAC Interface
        • Saftronics GP10 – Air Pressure Sensor + V/I Converter Output Card
        • Saftronics GP10 – HMI Pump Controller
        • Saftronics GP10 – SDBU – Dynamic Brake Module
        • Saftronics GP10 – 208-230V Dynamic Brake Packages
        • Saftronics GP10 – 460V Dynamic Brake Packages
        • Saftronics GP10 – Ratings Efficiency & Watts Loss
        • Saftronics GP10 – Standard Specifications
        • Saftronics GP10 – Basic Connection Diagram
        • Saftronics GP10 – Basic Connection Diagram to PLC
        • Saftronics GP10 – Basic Connection Diagram (Europe)
        • Saftronics GP10 – Basic Connection to PLC (Europe)
      • Saftronics S10 AC Drives
        • Saftronics S10 – Options and Accessories
        • Saftronics S10 – Standard Specifications
        • Saftronics S10 – Dimensions
        • Saftronics S10 – Dimensions – Part Number: S102002 – S102003 & S104001 – S104003
        • Saftronics S10 – Dimensions – Part Number: S102F25 – S102001
        • Saftronics S10 – Dimensions — Part Number: S102F25 – S102001 no Operators
        • Saftronics S10 – Dimensions – Part Number: S102002-2003 & S104001-4003
        • Saftronics S10 – Basic Wiring Diagram
      • Saftronics CV10 AC Drives
        • Saftronics CV10 – Part Numbers, Dimensions & Weights
        • Saftronics CV10 – LED Keypad with Speed Pot
        • Saftronics CV10 – LCD Keypad (supports 5 Languages)
        • Saftronics CV10 – Keypad Extension Cable
        • Saftronics CV10 – Communication Option Cards
        • Saftronics CV10 – Bi-Polar Speed Reference Option Card
        • Saftronics CV10 – Standard Specifications
        • Saftronics CV10 – Ratings Efficiency and Watts Loss
        • Saftronics CV10 – Dimensions Frame 1 – IP20 (Open Chassis)
        • Saftronics CV10 – Dimensions Frame 1 – NEMA 1
        • Saftronics CV10 – Dimensions Frame 2 – IP20 (Open Chassis)
        • Saftronics CV10 – Dimensions Frame 2 – NEMA 1
        • Saftronics CV10 – Dimensions Frame 3 – IP20 (Open Chassis)
        • Saftronics CV10 – Dimensions Frame 3 – NEMA 1
        • Saftronics CV10 – Basic Wiring Diagram
      • Saftronics VG10 AC Drive
        • Saftronics VG10 – Pricing, Dimensions & Weights
        • Saftronics VG10 – Optional DC Link Reactors
        • Saftronics VG10 – Options and Accessories
        • Saftronics VG10 – Palm Pilot Saflink Kit
        • Saftronics VG10 – Relay Output Card
        • Saftronics VG10 – SR10 Radio Modem Kit
        • Saftronics VG10 – Digital I/O Interface Card
        • Saftronics VG10 – Analog I/O Interface Card
        • Saftronics VG10 – SF-10 Ethernet Module
        • Saftronics VG10 – PGX Encoder Feedback Card
        • Saftronics VG10 – Encoder + Analog Output Card
        • Saftronics VG10 – PG Feedback Card SOPCG11SPG
        • Saftronics VG10 – PG Feedback Card SOPCG11SPG2
        • Saftronics VG10 – Synchronized Operation Card
        • Saftronics VG10 – 24 VDC or 24/120 VAC Interface Card Kit
        • Saftronics VG10 – Air Pressure Sensor + V/I Converter Output Card
        • Saftronics VG10 – SDBU – Dynamic Brake Module
        • Saftronics VG10 – 208-230V Dynamic Brake Packages
        • Saftronics VG10 – 460V Dynamic Brake Packages
        • Saftronics VG10 – Ratings Efficiency and Watts Loss
        • Saftronics VG10 – Standard Specifications
        • Saftronics VG10 – DC Link Reactor 100 HP and Above
        • Saftronics VG10 – Basic Connection Diagram (Sink Logic, Mainly America)
        • Saftronics VG10 – Basic Connection Diagram to PLC (Sink Logic, Mainly America)
        • Saftronics VG10 – Basic Connection Diagram (Source Logic, Mainly Europe)
        • Saftronics VG10 – Basic Connection Diagram to PLC (Source Logic, Mainly Europe)
      • Saftronics PC10 (Obsolete) AC Drives
        • Saftronics PC10 – Options & Accessories
        • Saftronics PC10 – SF-10 Ethernet Module Kit
        • Saftronics PC10 – 24 VDC or 24/120 VAC Input + Relay Option Card
        • Saftronics PC10 – 24 VDC or 24/120 VAC Interface Card Kit (PC10, GP10, or VG10 Inverter)
        • Saftronics PC10 – Relay Output Card
        • Saftronics PC10 – HMI Pump Controller
        • Saftronics PC10 – PC10 120 VAC Option Card
        • Saftronics PC10 – Palm Pilot Saflink Kit
        • Saftronics PC10 – Dynamic Braking
        • Saftronics PC10 – Drive Ratings Efficiency and Watts Loss
        • Saftronics PC10 – Standard Specifications
        • Saftronics PC10 – Part Number: PC102F12-9, PC102F25-9, PC102F50-9 & PC102001-9
        • Saftronics PC10 – Part Number: PC102002-9, PC102003-9, PC104F50-9, PC104001-9, PC104002-9 & PC104003-9
        • Saftronics PC10 – Part Number: PC102005-9 & PC104005-9
        • Saftronics PC10 – Part Number: PC102007-9, PC102010-9, PC104007-9 & PC104010-9
        • Saftronics PC10 – NEMA 1 Kit Dimensions
        • Saftronics PC10 – Basic Wiring Diagram
      • Fincor 5700 Series (Obsolete) AC Drive
      • Fincor 5740 Series (Obsolete) AC Drive
      • Fincor 5750 Series (Obsolete) AC Drives
    • Motortronics Soft Starters
      • Motortronics MVC Plus Series Soft Starters
        • Protection :: Motortronics MVC Plus Series Soft Starters
        • Applications and Control :: Motortronics MVC Plus Series Soft Start
        • Customized Line-Ups :: Motortronics MVC Plus Series Soft Start
        • Advanced Integration & Technical Highlights :: Motortronics Soft Starts
      • Motortronics VMX Soft Starter – Control & Features
        • Motortronics VMX Soft Starter – System Protection
        • Motortronics VMX Soft Starter – Ratings & Dimensions
        • Motortronics VMX Soft Starter – Specifications
      • Motortronics Electronic Motor Brakes
    • SOLCON Soft Starters
      • SOLCON RVS-DN Digital Soft Starter with Advanced Motor Protection
      • Solcon HRVS-DN Digital Soft Starter with Advanced Motor Protection
      • Solcon HRVS-TX Digital Transformer Soft Starter
      • SOLCON RVS-AX Analog Soft Starters
      • SOLCON Solstart Plus Analog Soft Starters
      • SOLCON RVS-BX Basic Soft Starter with Built-In Bypass
      • SOLCON RVS-DX Digital Soft Starter with Built-In Bypass
      • SOLCON RVS-EX Digital Soft Starter for Explosion Proof motors with Built-In Bypass
      • SOLCON SEM-N Rugged Soft Starter for Naval and Military Specifications
      • SOLCON SOLSTART Miniature Analogue Soft Starter
      • SOLCON SOLSTART 1P Single Phase Analogue Soft Starter
      • SOLCON SOLBRAKE DC Injection Brake Soft Starter
    • Magnetek – Soft Starters
      • Magnetek – RVS-DX Digital Soft Starter
        • Magnetek – RVS-DX Digital Soft Starter Features
        • Magnetek – RVS-DX Digital Soft Starter Model Numbers
      • Magnetek – Reduced Voltage Soft Starters RVS-DN, RVS-AX and RVS-ST
        • Magnetek – RVS-DN Digital Soft Start
        • Magnetek – RVS-DN Model Numbers
        • Magnetek – RVS-AX Analog Soft Starter
        • Magnetek – RVS-AX Model Numbers
        • Magnetek – RVS-ST Compact Soft Starter
      • Magnetek – HRVS-DN Medium Voltage Soft Starters
        • Magnetek – HRVS-DN Medium Voltage Soft Starter Software and Applications
        • Magnetek – HRVS-DN Medium Voltage Soft Starter Features
    • WEG Variable Frequency Drives, Controls and Motors
      • WEG CFW08 PLUS AC MicroDrives :: Overview and Standard Features
        • WEG CFW08 PLUS AC Inverter Drives :: NEMA 1 Enclosure Prices
        • WEG CFW08 PLUS Variable Frequency Drives :: Options, Accessories and Prices
        • WEG CFW08 PLUS AC Drives :: DB Resistors 10% Duty Cycle
        • WEG CFW08 PLUS AC Variable Frequency Drives :: Technical Data
      • WEG CFW09 Series Variable Frequency Drives :: Overview
        • WEG CFW09 AC Drives :: Hardware Description
        • WEG CFW09 AC Drives :: NEMA 1 Enclosure Catalog Numbers and Prices
        • WEG CFW09 Series AC Drives :: Options, Accessories and Prices
        • WEG CFW09 AC Drives :: DB Resistors 10% and 20% Duty Cycle
        • WEG CFW09 Series Variable Frequency Drives :: Technical Data
      • WEG Energy Saving Variable Frequency Drives, Controls and Motors
  • DC Variable Speed Drives
    • DC Drive Fundamentals
    • ABB DCS 400 Digital DC Converter Drive
    • ABB DCS 500 DC Drive
    • ABB DCS800 DC Drives Overview
      • DCS800 – Power Converter Modules
      • DCS800 Panel Drive
      • DCS800 Enclosed Converters
      • DCS800 Rebuild and Upgrade Kits
      • Adaptive Programming and Start-up Assistants
      • DriveWindow Light – Startup and Maintenance Tool
      • DCS800 Commissioning Macros
      • DCS800 Firmware
      • DCS800 Technical Specifications
      • Current Ratings – Modules – Non-Regenerative
      • Current Ratings – Modules – Regenerative
      • Current Ratings – Modules – DCS800-EP Panel Drive
      • DCS800 Dimensions and Weights
      • DCS800 Technical Diagram
      • DCS800 Plug-in Options
      • DCS800 Feedback Options
      • DCS800 Communication Options – Fieldbus Control
      • DCS800 External Field Supply
    • ABB DCS800-EP replaces Reliance FlexPak® 3000 – 230V Drive Cross Reference
      • ABB DCS800-EP – 460V Drive Cross Reference
      • ABB DCS800-EP – Options Cross Reference
      • ABB DCS800-EP – Product Differences and Remedies – Hardware
      • ABB DCS800-EP – Product Differences and Remedies – Control/Interface & Features
      • ABB DCS800-EP – Drive Dimensions
      • ABB DCS800-EP – Installation Procedure – Wiring and Configuration
      • ABB DCS800-EP – Parameter Cross-Reference
    • FINCOR Series 2600/2610 DC Drives
    • 50 Amp & 90 Amp DC Field Regulators
    • Mentor II | Quantum III | FXM5 Change of Status
    • SIMOREG 6RA24 Siemens DC Drive Features
    • SIMOREG 6RA70 Siemens Variable Speed DC Drive Description and Base Drive Catalog Numbers
      • SIMOREG 6RA70 Siemens DC Drive Features
      • SIMOREG 6RA70 DC Master Design & Operation – Converters
      • SIMOREG 6RA70 Design & Operation – Parameterization Devices
      • SIMOREG 6RA70 Design & Operation – Software Structure
      • SIMOREG 6RA70 Design & Operation – Closed-Loop Functions in Armature Circuit
      • SIMOREG 6RA70 Design & Operation – Closed-Loop in Field Circuit
      • SIMOREG 6RA70 Design & Operation – Optimization Run
      • SIMOREG 6RA70 Design & Operation – Monitoring & Disgnosis
      • SIMOREG 6RA70 Design & Operation – Functions of Inputs & Outputs
      • SIMOREG 6RA70 Design & Operation – Safety Shutdown (E-STOP)
      • SIMOREG 6RA70 Design & Operation – Serial Interface
    • 1000 Hp DC Variable Speed Drive System
    • 3000 Hp DC Variable Speed Drive
    • Permanent Magnet DC Motors
      • DC Motor Dimension Chart
    • SCR Drive Controllers (SCR-Silicon Controlled Rectifier)
  • Custom Electric Control Panel Shop
  • GE AC & DC Motors (G.E. Motors – General Electric AC & DC Motor)
    • GE X$D Ultra® NEMA Premium Efficiency – TEFC AC Motors
    • GE Kinamatic® Explosion Proof AC Motors
    • GE Energy Saver® – TEFC Severe Duty AC Motors
    • GE Kinamatic® General Purpose AC Motors
    • GE Motors Energy Saver NEMA Premium Efficiency – ODP AC Motors
    • GE ValueLine™ EPAct Efficiency – TEFC AC Motors
    • GE ValueLine™ EPAct Efficiency – ODP AC Motors
    • GE Permanent Magnet Custom DC Motors
    • GE ValueLine™ Vertical Hollow Shaft AC Motors
    • GE Permanent Magnet Standard DC Motors
    • GE ASD Inverter Duty AC Motors
    • G.E. Permanent Magnet Washdown DC Motors
  • Avtron – Drives, Measurement and Tachs
    • Avtron – Adjustable Speed Drives and Drive Systems
      • Avtron – Drives and Drive Systems
      • Avtron – DC Drives and Drive Systems
      • Avtron – DC Drive and System Retrofits
      • Avtron – AC Drives and Drive Systems
      • Avtron – System Services
      • Avtron – Additional Products
      • Avtron – Sheeter Graphs
      • Avtron – Converters
      • Avtron – Capabilities and Applications
    • Avtron – Speed and Length Measurement
      • Avtron – Speed Draw Instrumentation
      • Avtron – Performance View
      • Avtron – Stand Alone Meters
    • Avtron – Tachs, Tachometers, Encoders, Rotary Pulse Generators
      • Avtron – Sales Literature and Instruction Sheets
      • Avtron – Classic Tach Models
      • Avtron – Price Quotation Request Form
      • Avtron – Tachometers Availability
      • Avtron – Heavy, Mill-Duty Encoders
      • Avtron – Setting Air Gap on M285 Sensors
      • Avtron – M4 Universal Encoder
      • Avtron – M56, M67, M85 THIN-LINE
      • Avtron – M285QUAD Outline Drawing
      • Avtron – Severe Duty Encoders
      • Avtron – Mill-Duty Encoders
      • Avtron – M3 Universal Encoder
      • Avtron – M3 Applications
      • Avtron – M3 Installation
      • Avtron – M3 Specifications
      • Avtron – Tach Accessories
      • Avtron – Tach Solutions
      • Avtron – Rugged Environments
      • Avtron – Selection by Motor Frame Size
      • Avtron – Adapter Kits Outline Drawings
      • Avtron – Motors with Brakes
      • Avtron – NEMA C Face Mounting
      • Avtron – Market Specific Applications
  • Dynapar Encoders and Tachs
    • ACURO AI25 Encoders
      • Acuro Series AI25 Absolute Encoder with DeviceNet Interface
      • Acuro Series AI25 Absolute Encoder with Profibus Interface
      • Acuro Series AI25 Absolute Encoder with Interbus Interface
      • Acuro Series AI25 Absolute Encoder with BiSS Interface
      • Acuto Series AI25 Optical Encoders with SSI Interface
      • Acuro Series AI25 Absolute Encoder with Parallel Interface
      • Acuro Series AD25 Drive Absolute Encoder
    • Series R25 – Mill Duty, HOUSED Resolver
    • Series 21/22 Heavy Duty Incremetal Encoders
    • Series H20 Encoder
    • Series HA25 Dynapar Heavy Duty Encoders
    • Series HR25 Incremental Encoders
    • Series HC25 Incremental Encoders
    • Series H58 Heavy Duty Encoders
    • Series H42 Heavy Duty Encoders
    • Series HA725 Indusrtial Duty Encoders
    • Series HD20 Optical Encoder
    • Series HD25 Optical Encoder – Harsh Duty
    • Series H56 Rotopulser Heavy Duty Encoders
    • RIM Tach 6200 Digital Tachometer
    • Series X25 Incremental Encoders
    • Series 60 Rotopulser Incremental Encoders
    • Series H20 Hub Shaft Encoders
    • Series HSD25 Harsh Duty Optical Encoders
    • Series HSD44
    • Series HS20 Sealed Hollow Shaft Encoders
    • Series HS35 Sealed Hollow Shaft Encoders
    • The NEW HS35R
    • Series HSD35 Shaftless Optical Encoder
    • Series HSD37 Hollowshaft Rotary Encoder
    • Series HSD38 Harsh Duty Optical Encoder
    • Series DWD38 Heavy Duty Rotary Encoders
    • SLIM Tach HS56 Incremental Encoder / Tachometer
    • RIM Tach HS85 Digital Tachometer
    • SLIM Tach SL56 Rotary Encoder
    • SLIM Tach RL67 Incremental Rotary Encoder
    • SLIM Tach SL85 Digital Tachometer
    • SLIM Tach SL1250 Incremental Encoder
    • RIM Tach 8500 Digital Tachometer
    • RIM Tach 1250 Digital Tachometer
    • Series R45 Rotopulser Incremental Encoders
  • Spare Parts and Replacement Parts
  • PLC (Programmable Logic Controllers)
• Services
  • Field Service
    • Field Service Rates : United States
  • Retro-Fit or Replace
  • UL 508A Certified Panel Shop
  • Custom Electrical Control Panel Shop
  • Electric Repair Services
  • Start-Up – Drive Commissioning
  • Drive Maintenance – Preventive Maintenance (PM)
    • How to Maintain a Variable Frequency Drive
    • Relubrication-Motor Maintenance
  • Hudson Energy
  • Electrical Solutions Network (ESN)
• Projects
  • Operator Stations by Joliet Technologies
  • AC VFD, AC Controllers and DC VSD by Joliet Technologies
  • Material Handling Modernization Project by Joliet Technologies
  • 10 DC (SCR) Drive System :: Neptune Marine Oil & Gas
  • Mermaid Offshore Services :: 4 DC (SCR) Drive Cabinets
  • “Frontier Driller” Offshore Oil Rig :: DC (SCR) Drive Bays
    • “Frontier Driller” Offshore Oil Rig :: DC SCR Drive PLC
    • “Frontier Driller” Offshore Oil Rig :: Driller’s Console and Mud Pump Console
    • “Frontier Driller” Offshore Oil Rig :: Generator Control Bays
  • 1000Hp Siemens SIMOREG 6RA70 DC Variable Speed Drive Retro-Fit
  • Smurfit-Stone: Corrugator Crew Sets Production Record
  • Steel Slitting Line for Braner USA
  • 1000HP DC Drive, Bow Thruster Application for Pegler Automation
  • 1000HP DC Traction Motor Drive, Slurry Pump Application for Baker Hughes
  • Siemens 6RA70 DC Drive and GE 752 Traction Motor to Hallett Materials
  • ABB ACS 800 VFD to Applied Synergistic
  • Two 200Hp Variable Speed DC Drives and Motors to JHT Electronics
  • Substrate Technology Inc. :: Joliet Technologies, L.L.C.
  • Wyco Tool Company
  • Variable Frequency Drives and Controls for Food Processing and Bakery Machinery
• Information
  • Guide to Harmonics with AC Variable Frequency Drives
    • Harmonic distortion sources and effects
    • Standards for Harmonic Limits
    • Evaluating Harmonics
    • Other Methods for Harmonics Reduction
    • Summary of Harmonics Attenuation
    • Guide to Harmonics with AC Drives Definitions
  • Variable Speed Drives – Application Information
    • DC Drives – Principles of Operation
    • DC Drive Types
    • DC Motor Control Characteristics
    • AC Drives – Principles of Operation
    • AC Controller Types
    • AC Motor Control Characteristics
    • Motor Selection
    • AC vs. DC Drive Comparison
    • Basic Mechanics
    • Other Application Factors – Measuring Machine Torque
    • Mechanical Formulas
  • Reducing harmonics caused by variable speed drives
  • FAQ – Variable Speed Drives Frequently Asked Questions
  • EASA Electrical Engineering Handbook
    • Part Winding Start
    • 3Ph Motors, Single Speed
    • 3Ph Motors, 2 Speed, Single Winding
    • Connections for NEMA DC Motors
    • Connections for NEMA DC Generators
    • Field Polarities of DC Machines
    • Maximum Locked-Rotor Currents – Three-Phase Squirrel Cage Motors
    • NEMA Code Letters for AC Motors
    • General Speed-Torque Characteristics
    • Effect of Voltage unbalance on Motor Performance
    • Starting Characteristics of Squirrel Cage Induction Motors
    • Allowable Starts and Starting Intervals
    • NEMA Size Starters for Three-Phase Motors
    • Starter Enclosures
    • NEMA Size Starters for Single-Phase Motors
    • Determining the Polarization Index of Machine Windings
    • Formulas for Electrical Motors
    • Motor Application Formulas
    • Glossary of Terms
  • Variable Frequency Drive (VFD) Case Studies
    • VFD Case Studies – ABB drives & motors help to launch lifeboats quickly and safely.
    • VFD Case Studies – Paperboard mill benefits from using DC drives
    • VFD Case Studies – ABB Drive cuts water pumping bill for semiconductor plant.
    • VFD Case Studies – Insulation manufacturing process saves energy with ABB :: Joliet Technologies
    • VFD Case Studies – ABB drives cut costs at MINI production plant
    • VFD Case Studies – Film maker slashes costs with ABB drives
    • VFD Case Studies – ABB drive cuts costs for wooden toy company
    • VFD Case Studies – Close pump control doubles efficiency for West of Scotland Water
    • VFD Case Studies – ABB Energy Appraisal Saves Money :: Joliet Technologies
    • VFD Case Studies – Staggering energy savings prove value of professional audit
    • VFD Case Studies – Soft starters save costs for mechanical engineers
  • NEMA Frame Chart and T-Frame Chart :: Joliet Technologies
  • Model 1681 Instruction Manual – Firing Circuits DC SCR Drives
  • IGBT – Insulated Gate Bipolar Transistors :: Joliet Technologies
    • IGBT – Soft Switching Technology and Adjustable Frequency Drives
• Blog
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Posts by category

• Category: Uncategorized
  • Methods of Starting Electric Motors
  • Benefits of using Variable Speed Drives on ALL Electric Motors
  • Ground Faults: Typical Variable Speed Drive Faults and How to Troubleshoot Them
  • Drive Overload: Typical Variable Speed Drive Faults and How to Troubleshoot Them
  • Output Phase Loss: Typical Variable Speed Drive Faults and How to Troubleshoot Them
  • Over-Voltage: Typical Variable Speed Drive Faults and How to Troubleshoot Them
  • Typical Variable Speed Drive Faults and How to Troubleshoot Them
  • Flow Control Valves versus Variable Speed Drives – Which You Should Choose, and Why
  • How to Calculate Forced Air Cooling for Control Panels – A Simple Formula for Longer Lasting Controls
  • Variable Speed Drives – Myths and Facts
  • What to Look for in a Quality Custom-Built Control Panel
  • Custom Industrial Control Panels – Design and Build Considerations
  • Variable Speed Drives in Mixing Applications
  • We apologize
  • Stand-alone vs. Packaged Variable Speed Drive – Which Should I Choose (Part II)
  • Stand-alone vs. Packaged Variable Speed Drive – Which Should I Choose (Part I)
  • Is a Variable Speed Drive Right for You?
  • Joliet Technologies New & Improved Website
  • Hello world!
  • Motor Bearing Currents Under PWM Variable Speed Drive Operation
  • Readers’ Questions – Part III: Cable Length to VFD
  • Readers’ Questions – Part II: Spikes damaging drives
  • Readers’ Questions – Part I: What is a suppression capacitor?
  • Impact of Supply Frequency on Motor Output
  • High Supply Voltage Impact on Adjustable Speed Drive Operation
  • Questions from our website visitors.
  • Induction Motors – Mechanical Design and Installation Considerations
  • Mitigating Harmonics Induced by Adjustable Speed Drives
  • Variable Frequency Drives and Motor Cabling – Part II
  • Variable Frequency Drives and Motor Cabling – Part I
  • Adjustable Speed Drives and Current De-rating
  • Variable Speed Drives and Motor Braking
  • NEMA Motor Speed/Torque Characteristics
  • Defining Your Variable Speed Drive Requirements – A Checklist
  • Brake Choppers Demystified
  • Adjustable Speed Drives (ASD’s) and the National Electrical Code
  • Power Quality Concerns and Variable Speed Drives
  • Soft-starts Versus Variable Speed Drives – How to Choose
  • NEMA MG1 Guidelines for Adjustable Speed Drive/Motor Applications
  • Electromagnetic Compatibility (EMC) and Variable Speed Drives
  • Variable Speed Drive Q & A
  • Variable Speed Drive (VSD) Features Explained
  • Variable Speed Drives – Motor Cabling Considerations
  • DC Variable Speed Drive Basics
  • Variable Speed Drives and Motor Insulation
  • Reduced Voltage Starters (Soft-starts) – Applications and Benefits
  • Variable Frequency Drives (VFDs) and Motor Noise
  • Variable Speed Drive (VSD) Enclosure Types and Component Protection
  • Variable Speed Drive (VSD) Enclosure Climate Control
  • VFDs and Energy Savings
  • Variable Speed Drives – Understanding Your Application – Part III
  • Variable Speed Drives – Understanding Your Application – Part II
  • Variable Speed Drives – Understanding Your Application – Part I
  • Inaugural issue of our blog
  • Welcome to Joliet Technologies Blog

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