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Variable Frequency Drives Classroom Training

TPC Training
Training overview
Professional Course
2 days

Course description

Variable Frequency Drives Classroom Training

This Variable Frequency Drives training course has been designed to introduce students to the world of variable frequency drives. Throughout this 2-day course, students will gain the knowledge and skills to improve VFD control and efficiency, troubleshoot and fix VFDs, reduce equipment downtime, eliminate chronic VFD problems, lower the cost of VFD operation, and alleviate the need for hiring costly outside service contractors. Additionally, students will learn how to establish a culture of safe work practices among their employees and co-workers.

Would you like to take this class from home or your worksite? TPC Training offers this course as a Virtual Instructor-Led. A Virtual Instructor-Led is a course format that allows you to interact with a live instructor.

COVID-19 Update

In light of COVID-19, this provider is now delivering some or all of their courses online. Contact them for more information!

Who should attend?

This training course is most suitable to workers in industrial plants and commercial buildings seeking a comprehensive overview of variable frequency drives.

Training content

The content of this training course is structured as follows:

Day 1

  • VFD Safety Review
    • Electrical Hazards
    • LOTO (Lockout – Tagout)
    • Personal Protective Equipment & Insulated Tools

  • Electrical Basics Review
    • Mulitmeter, Clamp-On, Megohmmeter
    • Single Phase and Three Phase Motors
    • Motor Troubleshooting and Replacement
    • Basic Control Circuits & Troubleshooting

  • What VFDs Do
    • Motion Control / Motor Speed
    • Air Flow / Liquid Flow / Pressure Control
    • Eliminates the need for: 
    • Variable Transmission or Sheave
    • Variable Vanes or Dampers on Fans
    • Variable Valves on Pumps

  • Benefits of Using a VFD
    • Energy Savings
    • Easier Maintenance
    • Enhanced System Monitoring

  • Load Types
    • Constant Torque – Conveyors, Positive Displacement Pumps, Superchargers
    • Variable Torque – Centrifugal Fans or Pumps, Saws, Routers, Planers

  • VFD Options
    • Bypass – Two or Three Contactor Style, Disconnect Switch Style, Soft Starter
    • Fusing – VFD or Bypass Protection
    • Input / Output Reactors
    • Motor Overload Device
    • Transient Protection
    • Auxiliary Relays
    • Power Line Phase Reversal Detection

Day 2

  • Installation of a VFD
    • Environmental Concerns
    • Clearances
    • Conduit Entry

  • Customer Connections
    • Safety Circuit
    • Start / Stop
    • Jog
    • Status Indication
    • Fault Indication
    • Remote Speed Reference
    • Monitoring of Motor Parameters

  • Wiring & Grounding VFDs
    • Induced Signals
    • Inductive, Capacitative
    • Incoming Power (line) Wiring
    • Motor (load) Wiring
    • Control Wiring
    • Proper Grounding Methods

  • Controlling a VFD
    • Keypad Controls
    • Terminal Strip Control – Automatic, Manual
    • Bus Communication Control
    • Open Loop Control
    • Manual Operation
    • Automatic Operation
    • Sensorless Flux Vector
    • Closed Loop Control
    • PI Loop Configuration
    • Sensor or Transducer Feedback
    • Motor Shaft Encoder Feedback

  • VFD Setup, Programming & Troubleshooting
    • Language & Display
    • Control Modes
    • Open Loop, Closed Loop
    • Motor Data
    • Power (kW) and RPM
    • Voltage, FLA Current
    • Service Factor, Power Factor
    • References & Limits
    • Motor Speeds – Min, Max and Preset
    • Ramp Times
    • Speed Reference
    • Skip Frequencies
    • Limits for Alarms or Faults
    • Inputs / Outputs – Analog, Digital, and Relay
    • Application Functions
    • Reset
    • Flying Start
    • Sleep Mode
    • Switching Frequency
    • No Load
    • Phase Loss
    • Closed Loop Functions
    • Normal / Inverse
    • Anti Windup
    • Start-up Frequency
    • Integral Time / Differential Time
    • Proportional Gain / Differential Gain
    • Lowpass Filter

About TPC Training

TPC Training - The leader in live, instructor led maintenance training

TPC Training is the leader in maintenance, repair, and operator training, with complete solutions for a 21st century workforce to acquire, apply, and adapt essential technical and safety skills. With 2000+ classes annually, including 100+ cities, on-site at customer facilities, and online anywhere,...

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