Power Electronics: Fundamentals – Motors and Drive Systems in Theory and Practice

101 Fundamentals of variable-speed drives

Course Description
Participants will learn about the selection process for drive systems and explore the basics of drive system engineering mechanical motion, basic models of DC, induction machines and synchronous electrical machines. Participants will learn about inverters with thyristors for DC and AC motors and IGBT converters for AC machines as well as a practical approach for control systems design. Additionally, they will understand the following drive systems: brushless motor, cyclo converter, and frequency converter for variable speed drives and DC drives.
 
Learning Outcomes
Fundamental knowledge of the function of the components of electrical drives
 
Prerequisites
Fundamental knowledge of basic electrical engineering & electronics
 
Participants
Design, commissioning, operation and development engineers
 
Duration
5 days
 
Location
Berlin
 
 
 
 

102 AC drive systems

Course Description
This course introduces the fundamental principles of drive systems. Participants will learn the basics of squirrel cages, doubly fed asynchronous machines, and synchronous electrical machines. They also will learn the fundamentals of electrical machine operation and control, power electronic components and circuits, variable three-phase voltage sources (pulse pattern generators), voltage source inverters, variable three-phase current sources, current source inverters, and control of AC variable speed drives.
 
Learning Outcomes
Basic knowledge of AC variable speed drives and their application
 
Prerequisites
Fundamental knowledge of general electrical engineering
 
Participants
Design, commissioning, operation and development engineers
 
Duration
Three days
 
Location
Berlin
 
 
 
 

103 Power electronics

Course Description
The aim of this course is to introduce participants to converter technology. This is done through a thorough discussion about power electronics components, AC and DC circuit switching in power electronic applications, and single phase and three-phase converters. Participants also learn about diode rectifiers, thyristor converters, IGBT two- and three-level inverters, IGBT inverters as front end, and motor converters and pulse pattern generators. Additionally, participants will learn about motor and active front-end control as well as EMC, harmonics, and filters.
 
Learning Outcomes
Basic knowledge in effectiveness of drive systems and interaction with other system components
 
Prerequisites
Fundamental knowledge of basic electrical engineering
 
Participants
Design, commissioning, operation and development engineers
 
Duration
Five days
 
Location
Berlin
 
 
 
 

104 Oscillation in drive systems

Course Description
During this course, participants will learn about drive trains oscillation analysis (two mass oscillators) and the design of drive trains. They will understand oscillation compensation as also torsion and bending oscillation. The purpose is also to learn about mechanical stimulated periodical noise and oscillations, torque impulse caused by mechanical blocking or electrical short circuit and go through the design of control loops, filter and damping networks for oscillations, oscillation in control loops with back lash, multi-mass system and modern control approach for oscillation damping (state space control).

 

Learning Outcomes
Basic knowledge about dealing with oscillations
 
Prerequisites
Fundamental knowledge of general electrical engineering and control application
 
Participants
Design, commissioning, operation and development engineers
 
Duration
1 day
 
Location
Berlin
 
 
 
 
 

105 DC Motor Variable Speed Drive WNTC-F for direct current motors

Course Description
During the training the attendees will learn about DC motor reminders, Thyristor bridges and DC motor control principles. They will have an understanding for the range of power, configuration, main components and options of WNTC-F. Concerning the commissioning part the trainees will learn the method of commissioning, parameterization using the keypad, parameterization using AGILITY software, open loop VVVF control mode, regulation loops setting, detail schematic diagram, software advanced functions, faults and alarms as well as troubleshooting. Remote control using a fieldbus will be also a topic.
This training consists of 50% practical exercises and practical equipment. With two WNTC-F mock-up equipped with their workstations enables commissioning and use of the WNTC-F variable speed drive. 
 
Learning Outcomes
  • Understand the variable speed principles applied to the DC motor control
  • Be able to commission and start the drive
  • Identify and analyze the troubles, and fix them
 
Prerequisites
None
 
Participants
Commissioning technicians and service personnel
 
Duration
5 days
 
Location
Villebon-sur-Yvette
 
 
 

110 Work safety during commissioning and service operations

Course Description
Seminar participants will learn the procedure of commissioning and service operations out of a work safety perspective. They will be able to apply the safety regulations. In addition, participants will learn how to choose and apply
measuring instruments and tools.
 
Learning Outcomes
Sensitization of commissioning and service personnel to avoid risks
 
Prerequisites
None
 
Participants
Commissioning technicians and service personnel
 
Duration
2 days
 
Location
Berlin
 
 
 
 
Contact
Villebon-sur-Yvette: formation.villebon@ge.com