Online-Training - SIMOCRANE Crane Physics and Drive sizing (CR-BASICS)

This course provides practical knowledge about the mechanical systems of crane installations and their electrical drive technology. The focus is on the interaction between mechanics, motors, and converters – with the goal of safely and efficiently designing complete drive systems for cranes.
Course costs EUR 750 - free of charge for Certified Solution Partners of Cranes.
Please note that a face‑to‑face training in German is available on request under the following link:
SIMOCRANE – Crane Physics and Drive Sizing (Classroom Training)

Participants will learn to:
understand how mechanical requirements such as power, torque, speed, and acceleration relate to electrical drive systems,
explain the functionality of AC motors and the role of frequency converters in crane applications,
correctly design electrical drive systems for cranes – from selecting suitable motors to sizing power electronics,
develop a fundamental understanding of the physical relationships between mechanics and electrics in crane installations,
make informed technical decisions to create efficient and reliable drive solutions.

Sales engineers, Hardware and software engineers, business developers with a technical background.

Day 1 – Fundamentals of Crane Mechanics and Motors
- Introduction to crane types, market segments, and types of movement
- Mechanical basics: SI units, types of motion, rope guidance, gearboxes, inertia
- Torque/speed diagrams, static and dynamic torque calculation, duty cycles
- Introduction to AC motor theory: slip, number of pole pairs, frequency, torque behavior, derating at low speeds
Day 2 – Motor Selection and Converter Technology
- Crane motors: mounting types, cooling methods, protection classes, SIMOTICS motor portfolio
- Motor selection and sizing: selection processes, field weakening, practical examples
- Basics of voltage intermediate circuit converters: semiconductors, converter configurations, network effects, braking resistors
- Drive configurations for different crane types (e.g., STS, OHBC, retrofit)
Day 3 – SINAMICS Sizing and Practical Exercises
- SINAMICS S120 sizing example for STS cranes
- In-class exercise
- Solution of the sizing exercise
- Derating factors and their influence
Day 4 – Deepening and Q&A
- Practical sizing exercise using Excel: input values, motor data adjustment, current and torque calculation
- Application example to industrial cranes (e.g., OHBC)
- Open Q&A session with all trainers
Day 5 – Final Exam
Multiple-choice test
Practical test on drive sizing

A degree in electrical engineering and Basic knowledge of drive technology and physical principles is beneficial.

This course costs EUR 750-, but is free of charge for Certified Solution Partners of Cranes.