Electromagnetic Compatibility of Automotive Power Electronics
CEM-EN-P
Who should attend?
This training aims to specify the needs and performance of power electronics systems with respect to EMC by integrating the specificities of the automotive world.
Public :
This training is intended for engineers and technicians in design or testing, wishing to design, develop, or use power electronics for electric drives in the context of electric and hybrid projects by associating EMC constraints.
Level :Expert
Prerequisite :
Fundamental knowledge in electricity: mesh law, Kirchhoff's law, Ohm's law, Thevenin's and Norton's theorems.
General knowledge in power electronics.
This training follows the ETRON1-EN training which implements all this basic knowledge.
Course Content
INTRODUCTION TO ELECTROMAGNETIC COMPATIBILITY
-
Duration : 1 Day
Power electronics circuits and EMC: origins of conducted and radiated emissions.
Effect of electromagnetic disturbances. Standards.
EMC technologies: operation; implementation constraints, thermal; manufacturing process, industrial and economic aspects; examples of application on vehicle. Introduction to couplings, the six electromagnetic couplings, differential mode and common mode, coupling by common impedance, capacitive coupling board to frame, coupling by inductive way, coupling by capacitive way, field to wire coupling, field to loop coupling.
Sources of disturbances, low frequency disturbances, high frequency disturbances, digital circuits, evaluation of magnitude disorders, oscillator disturbances, unit conversions.
Effects on victims, biological effects, disturbances on analog circuits, disturbances on optical receivers, disturbances on digital circuits, disturbances on radio links.
The grounds, the ground network, the signal grounds and the ground mesh.
Wire connections and their protections, symmetrizers and galvanic isolation, filters, overvoltage limiters, conduction protections.
Reducing effects and shielded cables, definition of a reducing effect, cable routing, stepped protection, connection of shielded cables, choice of shielded cable, effects of mutual inductances.
Electromagnetic shielding, concept of electromagnetic shielding, calculation of LF and HF shielding, corrosion of shielding.
Power supply quality. Protection of the low voltage network; power supply interfaces of static energy converters. Protection against the effects and radiation of lightning.
PRACTICE OF ELECTROMAGNETIC COMPATIBILITY
-
Duration : 1 Day
Electromagnetic compatibility by practice: taking into account EMC constraints from the design phase. Importance of PCB routing.
Limitations related to component technologies.
Sizing of filters in differential and common mode.
Sizing of shielding and shielded cables.
Integration of radiation constraints from the design phase, estimation of the level of disturbances, implementation of countermeasures.
Practical measurement methods to be carried out in the laboratory to identify problems.
EMC measurement methods. EMC support of a design project. EMC troubleshooting.
Problem analysis. Immunity tests. Most frequent problems, remedies, weight of received ideas and practical advice.
Analysis of a digital diagram, analysis of an analog diagram and analysis of an energy converter.
Synthesis on the sources of disturbances, electromagnetic couplings, the effects of disturbances, the role of grounds and earths, equipotentiality, wire connections and galvanic isolation, shielded cables and their use, electromagnetic screens applied to energy converters.
Design of a common mode filter: calculation, sizing and implementation.
Example of an inverter routing.
Development of simple and practical tools for measuring and calculating EMC disturbances.
Implementation of countermeasures.
Case study: preventive EMC in the design phase of an inverter.
Learning Objectives
Attendees will be able to implement the following skills:
Explain the operation and malfunctions of EMC, design, dimension, modeling and simulate the power electronics of electric drives by integrating EMC constraints,
Make architecture choices in accordance with EMC constraints.
Ways & Means
Teaching aids:
The presentations are accompanied by component and circuit reviews.
Modeling and simulation exercises of power electronics architectures and associated EMC.
Exercises in the realization of power electronics assemblies by integrating EMC constraints.
Design of experimental circuits by integrating EMC constraints.
Practical work with electronic boards and measuring and laboratory instruments.
Technical means:
Provision of resources and remote support tools: indicate the tool(s) that will be used for the implementation of the training: training platform (LMS), communication tools (zoom, teams or others).
Computer resources required: a minimum bandwidth of 1.5 Mbps for a video quality in 720P. For Zoom you can consult the technical requirements by clicking on the link: https://support.zoom.us/hc/en-us/articles/201362023-System-Requirements-for-PC-Mac-and-Linux. For Teams you can consult the requirements by clicking on the link: https://docs.microsoft.com/fr-fr/microsoftteams/hardware-requirements-for-the-teams-app.
Technical support is provided by our Training Platform Management Team.
Our trainers provide pedagogical assistance in synchronous mode during the virtual classes. Participants' questions can also be formulated on the training platform and will be answered during the virtual classes.
Learning assessment
Exercises in modeling and calculation of EMC phenomena.
EMC countermeasure design exercises.
More
Coordinator :Experts in the automotive industry.
To French entities : IFP Training is referenced to DataDock ; you may contact your OPCO about potential funding.
Please contact our disabled persons referent to check the accessibility of this training program : referent.handicap@ifptraining.com
IFPT Account
