What are the essential skills and knowledge for a power electronics engineer?

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Power electronics is the field of engineering that deals with the conversion, control, and application of electrical power using electronic devices such as switches, converters, inverters, and controllers. Power electronics engineers design, develop, test, and optimize power electronic systems for various domains such as renewable energy, transportation, industrial automation, smart grids, and consumer electronics. If you are interested in pursuing a career in power electronics, here are some of the essential skills and knowledge you need to have.

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Bingsen Wang, PhD

Engineering Manager - xEV Traction Inverters @Stellantis, PE, SMIEEE

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Aqdass Hayat

?? Electrical Engineer | ??? Expert in FPGA, Embedded & Control Systems | ?? Passionate about Machine Learning & AI |…
Morteza Kazemi

7+ years experience in power electronics Control and Modeling of Power Electronics Converters | Chargers, Converters…

1 Circuit analysis

A power electronics engineer needs to have a solid understanding of the basic principles of electrical circuits, such as Kirchhoff's laws, Ohm's law, power and energy, and network theorems. You also need to be able to analyze and design various types of power electronic circuits, such as AC-DC, DC-DC, DC-AC, and AC-AC converters, using different methods such as state-space, Fourier, Laplace, and Z-transforms. You should be familiar with the characteristics and operation of common power electronic devices, such as diodes, transistors, thyristors, MOSFETs, IGBTs, and SiC and GaN devices.

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Bingsen Wang, PhD

Engineering Manager - xEV Traction Inverters @Stellantis, PE, SMIEEE
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The skills that I see fall into four categories: 1. Circuits and Topologies 2. Devices 3. Control 4. Applications All these areas may involve circuit theory, physics, control theory and implementation (digital, analog, embedded, programing), thermal, simulations and prototyping, validation amongst many others.

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Aqdass Hayat

?? Electrical Engineer | ??? Expert in FPGA, Embedded & Control Systems | ?? Passionate about Machine Learning & AI | ?? Project and Quality Management
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Essential skills include: Understanding Ohm's Law, Kirchhoff's Laws, and basic circuit elements. Mastery of circuit analysis techniques like nodal and mesh analysis. Proficiency in analyzing AC circuits, including phasor representation. Knowledge of circuit theorems such as Thevenin's and Norton's. Application of Laplace transforms for transient analysis. Skill in using simulation software like LTspice or PSpice. Ability to analyze and design analog and digital circuits. Understanding of frequency response and filters. Proficiency in analyzing power circuits and transformers. Continuous learning to stay updated with advancements in circuit theory and analysis techniques.

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Ahmad F. Abdelhadi

W?rtsil? Energy Storage | Towards a 100% Renewable Energy Future
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Electrical Fundamentals Power Electronics Theory Analog/Digital Electronics Control Systems Circuit Design/Simulation Thermal Management Power Semiconductor Devices EMC Awareness Safety Standards/Regulations Problem-Solving Skills Communication/Collaboration Continuous Learning

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2 Control theory

A power electronics engineer needs to have a good grasp of the fundamentals of control theory, such as feedback, stability, frequency response, and root locus. You also need to be able to design and implement various types of control strategies for power electronic systems, such as linear, nonlinear, adaptive, robust, and optimal control. You should be able to use different tools and techniques for control system analysis and design, such as MATLAB, Simulink, LabVIEW, and DSPs.

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Waleed Sahhary

Chief Executive Officer at BWS e-Mobility Technologies GmbH, Specialist in Artificial Intelligence Basesd Electric Power Train Design and Manufacturing, Senior Consultant Electric Vehicles
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1. Understanding the Semi-Conductor Technology 2. Understanding the B2-Brdige as a basic sub-system of all power electronics units 3. Understanding the DC-DC converter functionality as a base of all inverter topologies 4. Understanding the PWM Modulation theory 5. Understanding the modelling of the main sub-systems using Spice Tools such as LTSpice and also Matlab/Simulink and Plecs 6. Understanding the Motor Controls Algorithm such as field oriented control 7. Embedded Software Development fundementals 8. Hardware Design 9. Microcontrollers and RTOS 10. FTTI Analysis 11. Measurments Equipments 12. EMI

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3 Simulation and modeling

A power electronics engineer needs to have the ability to simulate and model power electronic systems using different software and hardware platforms. You should be able to create and validate mathematical models of power electronic components and systems, such as equivalent circuits, state-space models, transfer functions, and SPICE models. You should also be able to use simulation tools such as PSpice, LTSpice, PSIM, SimPowerSystems, and PLECS to perform various types of analysis, such as steady-state, transient, harmonic, and thermal analysis.

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Aditya Sawant

Power Electronics Professional | Digital Content Creation
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As a Power electronics engineer if you want to start simulation and modeling as your main area of operation. Here is top four application that you must know: Matlab - Control simulation, Scripting and loss simulation PLECS - Loss simulation Pspice, LTspice, Simtrix - Device level circuit simulation Ansys - Mechanical aspect of power electronics.

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4 Programming and coding

A power electronics engineer needs to have the skill to program and code power electronic systems using different languages and environments. You should be able to write and debug code for microcontrollers, DSPs, FPGAs, and PLCs using languages such as C, C++, Assembly, VHDL, and Ladder Logic. You should also be able to use scripting languages such as Python, MATLAB, and LabVIEW to automate tasks, perform data analysis, and create graphical user interfaces.

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Aditya Sawant

Power Electronics Professional | Digital Content Creation
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With increasing penetration of FPGA in Automotive market and also due to its wide adoption learning FPGA programing and debugging become crucial in power Electronics Software domain. Matlab is widely used in industry for high end computational mathematical models and for control system design. Python is widely used for Test automation in power electronics and also for miscellaneous task like data analytics and visualisation etc.

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5 Testing and measurement

A power electronics engineer needs to have the knowledge to test and measure power electronic systems using different instruments and equipment. You should be able to use oscilloscopes, multimeters, power analyzers, function generators, and logic analyzers to monitor and record various electrical parameters, such as voltage, current, power, frequency, and waveform. You should also be able to use load banks, dynamometers, and environmental chambers to perform various types of tests, such as load, efficiency, performance, reliability, and safety tests.

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6 Communication and teamwork

A power electronics engineer needs to have the competence to communicate and work effectively with other engineers, technicians, managers, and customers. You should be able to write clear and concise technical reports, presentations, and documentation using tools such as Word, Excel, PowerPoint, and LaTeX. You should also be able to collaborate and coordinate with other team members using tools such as Git, Slack, and Zoom. You should also be able to demonstrate critical thinking, problem-solving, creativity, and innovation in your work.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Morteza Kazemi

7+ years experience in power electronics Control and Modeling of Power Electronics Converters | Chargers, Converters for EVs and Renewable Energy
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In addition to the mentioned items, it is necessary to have sufficient familiarity with the standards in different industries. Two of the most important of them are EMC standards and standards related to the functional safety of the device. Having sufficient skills in the field of designing magnetic components such as inductors and transformers is very important for a power electronics engineer. Knowing the suppliers, PCB production companies and having connections with other experts in this field can be very useful.

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What are the essential skills and knowledge for a power electronics engineer?

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1 Circuit analysis

2 Control theory

3 Simulation and modeling

4 Programming and coding

5 Testing and measurement

6 Communication and teamwork

7 Here’s what else to consider

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