Basics of Variable Speed Drives Maintenance & Troubleshooting

The various drive features such as operating modes, braking types, automatic restart and many others will be discussed in detail. You will learn the four basic requirements for a VSD to function properly with emphasis on typical controller faults, their causes and how they can be repaired. The concluding section of the course gives you the fundamental tools in troubleshooting VSDs confidently and effectively.

This program is designed for instrumentation, control, electrical/electronic engineers and technicians, maintenance personnel, plant technical staff, and supervisors.

Certificate

At the end of this workshop participants will be able to:

• Demonstrate a sound understanding of how AC Variable Speed Drives (VSD's) work
• Install VSDs properly
• Select the right VSD for a given application
• Troubleshoot VSDs competently
• Competently explain how flux-vector control works for drive applications
• Understand squirrel cage induction motors
• Identify the protection and control system requirements for VSD's
• Interface VSD's with PLCs
• Understand the causes of motor burnout
• Deal effectively with VSD harmonics and EMC/EMI problems

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