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Course ID: 15252
| Course Duration: 2 Days
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Course Dates:
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Variable Frequency Drives Training Class
Course ID: 15252
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Variable Frequency Drives Training Seminar
Purpose of Seminar:
If your building facility, plant equipment or OEM system has Variable Frequency Drives, this is the perfect opportunity for you to unlock the secrets and dispel the myths generally associated with these high tech devices. After attending this seminar you will go back to your workplace with real world, practical knowledge and be able to immediately apply what you have learned so that you can keep your equipment up and running. This seminar will teach you how to troubleshoot common VFD problems, take care of your own equipment, and avoid costly repairs or service calls. Now that's "Real World" training!
TRAINING OUTCOMES
Upon completion of this course, the student will receive a training certificate indicating that he or she has learned to:
Identify hazards associated with working on VFDs
Understand the importance of safe work practices
Troubleshoot problems associated with VFDs and associated automated control systems
Recognize the main components of a VFD system
Understand the different methods of controlling a VFD
Be familiar with installation requirements
Understand motor/load requirements
Know how to respond to various WARNING or FAULT indications on the VFD
Know the preventative maintenance requirements when using VFDs
TEACHING PHILOSOPHY
"Real World Training???for Real World Needs", is not just our slogan, but also our mission statement. At American Trainco, we approach our students as if they were our own employees. We instruct and guide them in practical knowledge that allows them to immediately go back to their workplace and apply what they have learned. Our instructors are seasoned veterans with years of real world experience, and the students who attend our seminars often get more from a single week of training than an entire year of reading textbooks or watching videos. How do we know? They tell us.
Anyone can teach theory, but there simply is no substitution for experience. What sets American Trainco apart is our ability to communicate that experience to our students. As one novice attendee told us at the end of his two-day training course, "I think I can go back to work now and teach the veterans a thing or two."
Mission accomplished.
What you will take home:
American Trainco Seminar Manual - detailing all presentation material covered n the class
Personalized Training Certificate with 1.4 American Trainco Continuing Education Units for attending this two-day seminar, approved by the Maintenance Training Association of the Americas
All the information you need from asking our instructors specific questions about your own equipment or facility
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Agenda |
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This seminar is designed for any person requiring a general knowledge and understanding of Variable Frequency Drives (VFDs). In the area of Facilities Maintenance we'll cover specific applications involving HVAC equipment such as air handlers, hot water and chilled water pumps, and cooling tower fans. In the realm of Industrial Maintenance we'll look at a variety of other specific applications including those requiring constant torque operation. And if you have a unique VFD application, just let our instructor know. If he can't help you with your specific problem, we'll refund your money - guaranteed!
Equipment operators, technicians and maintenance personnel as well as electricians and facility managers will benefit from attending this seminar. Course graduates will have learned how to solve common VFD problems resulting in reduced downtime. This means a lower cost of operation with less dependence on outside service contractors. Training will include AC motors, VFD configuration, component layout, applications, various control methods, and installation requirements. Common problems and troubleshooting techniques will be covered as well as VFD operation, setup, programming and preventative maintenance. Other related topics like power quality and harmonics will also be discussed. And to be 100% certain you get the training you need, students are encouraged to bring schematics and diagrams of the VFD's in their own facility!
DISCUSSION TOPICS -
VFD SAFETY ISSUES
- (PPE) Personnel Protective Equipment
- Safe Approach distances
- Electrical Hazards
- LOTO (Lockout - Tagout)
- Insulated Tools
METER REVIEW
- Mulitmeter
- Clamp-On
- Megohmmeter
MOTOR BASICS REVIEW
- Motor Design
- Single Phase and Three Phase
- Motor Starters
- Motor Troubleshooting and Replacement
CONTROL CIRCUIT BASICS
- Electrical Symbols and Schematics
- Control Circuit Troubleshooting
- Fuse Replacement
VFD HISTORY
- Introduction
- Semiconductors in VFD Design
- SCR's / GTO's / Transistors / IGBT's / LSI
WHAT VFD's DO
- Motion Control / Motor Speed
- Air Flow / Pressure Control
- 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
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 VFD's
- 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 and TROUBLESHOOTING
- Language & Display
- Control Modes - Open Loop, Closed Loop
- Motor Data
- Motor 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
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Variable Frequency Drives Training Course Dates and Locations
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Course ID: 15252
| Course Duration: 2 Days
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Locations: |
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