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Course information

Course number: 805
Length: 3 days
Price: $2035.00
Category: Electrical

In this three day crane training course, students will learn how to perform electrical inspections and preventive maintenance procedures.

1 day -good length, Overall - Very Good.

Marathon Oil Eric J.

(What I liked most about the seminar was…) Flexibilty

Nucor Steel Neil S.

Instructor was knowledgeable. Best course I have received.

Electro-MotiveDiesels, Inc. Larry J.

Incorporated much of our specific operations into his lesson plan.

Fibrebond Corp. James W.

The presentation was very good, content, and layout. One of the best I've taken.

Nucor Steel Doug B.

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
View all crane training classes available now or contact Konecranes for questions or special requests.
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