General Description
Static Stepless control is a solid state, secondary reactor control system for overhead cranes. The course includes system theory and component-level knowledge. Enabling technicians to perform control system setup procedures, component-level replacement, and troubleshooting. The course includes classroom information and hands-on exercises to reinforce Static Stepless control system knowledge and understanding, fulfilling the following course objectives.
Course objectives
- Understand the functions of all major system components including:
- Magnetic amplifiers
- Modules and circuits
- Ancillary components
- Instrumentation
- Silicon Controlled Rectifiers (SCRs)
- VAC to VDC rectification
- Wound rotor motors
- Magnetorque (Eddy current brake)
- Understand required safety procedures for testing, adjustment, and troubleshooting.
- Learn the proper use of test equipment to perform the following:
- Control Module Tests
- Resistance checks
- Voltage checks
- Understand the procedures used to test for proper operation.
- Perform proper set up and adjustment procedures for hoist and traverse control systems.
- Troubleshoot hoist and traverse control systems:
- Use schematic diagrams to analyze and troubleshoot the electrical system.
- Identify and correct motor problems.
