Overhead Crane Electrical Maintenance | Course & Schedules

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Overhead Crane Electrical Maintenance

Course:

#805

Duration:

3 Days

Price:

$1,495

Class Size:

Schedule:

2010 Schedule
September 28, 2010 - September 30, 2010
November 30, 2010 - December 02, 2010

General Description:

This course highlights electrical maintenance procedures
for all types of A.C. crane controls including
A.C. full magnetic, stepless and adjustable frequency
drives and is considered the basic orientation to electrical
maintenance.

Course Objectives:

• Identify the function and operation of single speed, two
speed, step type, secondary reactor and adjustable frequency A.C. crane controls
• Analyze power and control circuits
• Identify problematic motor symptoms and correct their causes
• Perform control system inspections, tests and adjustments
• Analyze operating characteristics for troubleshooting control system failures
• Test, adjust and troubleshoot control components
• Understand how the plugging, overload and travel limit
protection circuits operate individually and in combination
• Perform brake electrical inspections, tests, adjustments
and trouble shooting
• Perform electrical inspections
• Perform electrical preventive maintenance procedures

Course Outline:

• 3-Phase A.C. motors
• Speed control introduction
• Protection circuits
• Brakes
• Multi-speed magnetic control
• Saturable reactor control
• Adjustable frequency control
• Tour of motor manufacturing facility

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