Solid state transformers course

Design & Engineering

Duration: 17 hours

This course delves into the evolution of distribution transformers and how Solid-State Transformers (SST) are transforming electrical grids. It focuses on integrating distributed energy sources, improving grid efficiency, and managing bidirectional power flow. The course covers the technicalities of SST, their role in smart grids, and their ability to enhance power quality. It provides a comprehensive look at how SSTs are replacing traditional transformers in modern grids. It explores their impact on power flow, grid management, and energy storage solutions, making it an essential resource for professionals in power electronics and renewable energy. The course is structured across three levels: Basic, Intermediate, and Master’s Level, with lessons that cover everything from the role of distributed energy to the practical challenges of implementing SST in smart grids.

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Solid state transformers course

Presenters

Ahmed Gamil

Academy Lecturer

Ahmed Gamil

Ahmed Gamil is a transformer design and thermal management specialist leading application engineering at Cargill. With an M.Sc. in High Voltage Technology from RWTH Aachen, his career includes serving as a Domain Expert at Hitachi Energy (2022–2026) and Head of R&D at SGB-SMIT Group.

A key figure in international standardization, Ahmed developed the "G-Approach" for temperature rise and serves on IEC MT 60076-2. In CIGRE, he leads task forces within JWG A2/D1.72 (Retrofilling) and JWG A2/C4/D1.77 (VFT Overvoltage), and is a contributing author to the CIGRE Green Book on "Transformer Life Management."

Mario Salano

Academy Lecturer

Mario Salano

Ahmed Gamil is a transformer design and thermal management specialist leading application engineering at Cargill. With an M.Sc. in High Voltage Technology from RWTH Aachen, his career includes serving as a Domain Expert at Hitachi Energy (2022–2026) and Head of R&D at SGB-SMIT Group.

A key figure in international standardization, Ahmed developed the "G-Approach" for temperature rise and serves on IEC MT 60076-2. In CIGRE, he leads task forces within JWG A2/D1.72 (Retrofilling) and JWG A2/C4/D1.77 (VFT Overvoltage), and is a contributing author to the CIGRE Green Book on "Transformer Life Management."

All Levels

Basic Level

Solid state transformers course – e-lesson #1: Current scenario

JANUARY 2025 We are excited to announce the launch of our new course on Solid-State Transformers (SST), led by expert Mario Salano. With extensive experience in transformer design and power electronics, Mario brings invaluable insights into this revolutionary technology shaping the future of energy distribution. The first lesson of the new course titled “Current scenario” […]

Basic Level

Solid state transformers course – e-lesson #2: Traditional 50/60 Hz transformers and distribution systems overcome

Lesson #2 titled Traditional 50/60 Hz transformers and distribution systems overcome covers the following topics: A solid-state transformer (SST) is an AC-to-AC converter, that replaces a conventional transformer used in AC electric power distribution. It is based on power electronics with an effective control and communication system. Electric power quality (EPQ) is analysed in both […]

Basic Level

Solid state transformers course – e-lesson #3: Introduction to distributed generation

A distributed generation system becomes more efficient and reliable and provides a better configuration to absorb high penetration of renewable energy sources compared with the conventional grids. Distributed energy sources interconnected with distribution network are continuously increasing thanks to the electricity market liberalisation and advanced developments in technologies of energy generation and distribution. Benefits that […]

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Basic Level

Solid state transformers course – e-lesson #4: SMART GRIDS AND MICROGRIDS

The fourth lesson of the new course titled “SMART GRIDS AND MICROGRIDS” is scheduled for 19th March and the topics of the fourth lesson are:   SMART GRIDS: The European Union defines a smart grid as “an electricity network that efficiently integrates the behavior of all connected users (generators, consumers, prosumers) to ensure an economically […]

Intermediate Level

Solid state transformers course – e-lesson #8: Distributed generation and renewables sources

Topics of the 8th lesson are: ·       Uniting distributed generation and renewable energy. ·       Quick review of various technologies, such as solar power, wind turbines, fuel cells, small hydro, biomass, geothermal and ocean (waves and tidal) energy systems. Basic Level Solid state transformers course - e-lesson #1: Current scenario Start Solid state transformers course - e-lesson […]

Intermediate Level

Solid state transformers course – e-lesson #9: Distributed generation and smart grids

The topics of the first lesson are: Uniting distributed generation and smart grids. Integrated distributed generation with Smart Grid provides better efficiency and reliability of the grid while reducing the environmental impact of electric usage Basic Level Solid state transformers course - e-lesson #1: Current scenario Start Solid state transformers course - e-lesson #2: Traditional […]

Intermediate Level

Solid state transformers course – e-lesson #10: Solid state transformers specific functionalities

This lesson focuses on what solid state transformers (SSTs) can do beyond conventional voltage transformation. Rather than discussing construction, the session explores the advanced functionalities that differentiate SSTs from traditional transformers. Key topics include: Bidirectional power flow and full four-quadrant control, enabling independent active and reactive power management Integrated DC links and multi-port interfaces, allowing […]

Master's Level

Solid state transformers course – e-lesson #12: Frequency dynamics and transient response in transformers

This lesson elevates the “public good” concept of frequency to technical stability analysis. Grid Inertia & Frequency Stability: Mathematical modeling of frequency deviations (⧍ f ) resulting from supply-demand imbalances. Non-Rated Frequency Assessment: Thermal and loss analysis of magnetic cores when operating outside design limits (e.g., 50Hz vs. 60Hz or sub-harmonics). Transient Response Modeling: Calculation […]

Master's Level

Solid state transformers course – e-lesson #13: Power quality hardware and high-frequency loss assessment

Moving beyond general definitions toward the physics of hardware performance. Hardware Architecture: Deep dive into MV switchgear, regulated transformer stages, and integrated sensor arrays for position and thermal monitoring. Frequency-Dependent Losses: Analyzing skin and proximity effects in high-frequency winding design to optimize cooling and safety. Electric Power Quality (EPQ): Quantifying efficiency through Total Harmonic Distortion […]

Master's Level

Solid state transformers course – e-lesson #14: Multi-stage SST topologies and semiconductor selection

A technical comparison of converter stages and Wide Bandgap (WBG) materials. Three-Stage Architecture: Detailed study of the AC/DC (Rectifier), isolated DC/DC (Dual Active Bridge), and DC/AC (Inverter) stages. Next-Gen Semiconductors: Comparing Si-IGBTs with SiC (Silicon Carbide) and GaN (Gallium Nitride) for high-switching frequency applications. Topology Review: Analysis of Modular Multilevel Converters (MMC) vs. Cascaded H-Bridge […]

Master's Level

Solid state transformers course – e-lesson #15: The digital substation: control and telecommunications

Focusing on the “brain” of the SST substation. Integrated Control Units: Implementation of FPGA and DSP-based controllers for real-time modulation. Communication Protocols: Study of IEC 61850 and GOOSE messaging for SST integration into automated distribution networks. Sensor Fusion: Utilizing LV/MV indicators and sensors for predictive maintenance and fault localization. Basic Level Solid state transformers course […]

Master's Level

Solid state transformers course – e-lesson #16: Smart grids, DER integration and socio-technical barriers

Addressing the challenges of modernizing aged infrastructure. Distributed Energy Resources (DER): Managing high-variability renewables and bidirectional power flows using SSTs. Cyber-Physical Security: Addressing consumer concerns regarding data privacy, cybersecurity, and regulatory hurdles in smart meter/SST deployment. Climate & Infrastructure: Strategies for restructuring legacy grids into resilient, carbon-neutral microgrids. Basic Level Solid state transformers course - […]

Master's Level

Solid state transformers course – e-lesson #17: SST as the active node in Distribution 2.0

Synthesizing the role of SST as the primary decoupling element between MV and LV grids. Electrical Isolation & Decoupling: How the DC-link prevents disturbances (flicker, unbalance, harmonics) from propagating between voltage levels. Advanced Power Factor Correction: Operating at independent power factors on the MV and LV sides to optimize grid utilization. High Power Density Design: […]

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