Course information
In this three day crane training course, students will learn how to perform electrical inspections and preventive maintenance procedures.
Phelps Dodge Travis W.I liked info pertaining angle to weight for cables and Misc load changes that occur
during a lift.
O'Neal Steel Ricky W.It was very hands on informative, interesting. I have been operating cranes for
over thirty years and I learned a lot in this class. Instructor methods were great!!!!
Ormat Paul B.((Instructor's) experience and real life situations that he shared with us.
Bowling GreenMetalforming Fred T.(The instructor) did a good job.
Phelps Dodge Johnny V.There was a lot of valuable information that was much needed at our plant.
Instructor was excellent.
This crane training course highlights electrical maintenance procedures for all types of A.C. crane controls including A.C. full magnetic, stepless and adjustable frequency drives. This crane course 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
Course outline
- Overhead Crane Electrical Safety
- Overhead Crane Electrical Regulations
- Electrical Tools
- OHMS Law
- Motors
- AC Motors
- Wound Rotor Motors
- DC Motors
- Motor Maintenance & Troubleshooting
- Power Distribution
- Crane Electrical Components
- Fuses & Circuit Breakers
- Motor Overload
- Contactors
- Mechanical & Electrical Interlocks
- Transformers & Rectifier
- Limit Switches
- Motor Thermistors
- Resistors
- Encoders
- Brakes & Electric Load Brake - Magnetorque (TM)
- Master Controller, Radio Controls & Crane Pendants
- PLC & Crane Monitoring Equipment
- Crane Overload Limiter
- Variable Frequency Drives (VFD)
- Basic Speed Control
- Hands-On Student Labs
- Tour of motor manufacturing facility