Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive (A Frame) - ForGe Control - Manual (Page 170)

170 Rockwell Automation Publication 7000A-UM200C-EN-P - June 2014
Appendix C Preventative Maintenance Schedule
Time Estimations
Tool / Parts / Information Requirements
The following is a list of the tools recommended for proper maintenance of the
PowerFlex 7000 drives. Not all of the tools may be required for a specific drive
preventive procedure, but if we were to complete all of the tasks listed above the
following tools would be required.
Tools
• 100 MHz Oscilloscope with minimum 2 Channels and memory
• 5 kV DC Megger
• Digital Multimeter
• Torque Wrench
• Laptop Computer with Relevant Software and Cables
Operational Maintenance 0.5 hours per filter
Annual Maintenance
• Initial Information Gathering 0.5 hours
• Physical Checks
– Torque Checks 2.0 hours
– Inspection 2.0 hours
– Cleaning
(1)
(1) Time may not be required depending on the nature of the maintenance and the condition of the drive system. These times are only
estimations.
2.5 hours
(1)
– Meggering 1.5 hours
• Control Power Checks
– Contactor Adjustments
(1)
2.0 hours
(1)
– Voltage Level Checks 1.0 hour
– Firing Check 0.5 hours
– System Test
(1)
2.0 hours
(1)
• Medium Voltage Checks
– Final Inspection 0.5 hours
– Phasing Check (1) 1.5 hours (1)
– Autotuning (1) 2.0 hours (1)
– Operation to Maximum Load Site Dependent
• Additional Tasks (1)
– Investigation Varies with nature of Problem
– Informal Training/Refresher 2.0 hours
– Spare Parts Analysis 1.0 hour
– Vacuum Bottle Integrity Check 3.0 hours
• Final Report 3.0 hours