Publication

Sensitivity Analysis of Medium Frequency Transformer Design

Drazen Dujic, Marko Mogorovic
2018
Conference Papers

Abstract

This paper discusses the technical challenges and trade-offs tied to design of medium frequency transformers (MFTs) for medium-voltage (MV) high-power (HP) power electronic applications, namely emerging solid state transformers (SSTs). A detailed analysis of the factors influencing the MFT operation and limiting the design range is performed. A dedicated MFT design optimization algorithm is used to generate the set of all feasible transformer designs for the given electric requirements, taking into account different MFT geometry ratios, materials and operating frequencies. Design sets are generated for various combinations of design criteria thus exposing the general trends and impact of different design requirements on the feasible design space.

Official source

https://infoscience.epfl.ch/entities/publication/d71de361-37b5-4f33-a35c-6e0a22145eb0

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Drazen Dujic, Marko Mogorovic
2018
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/d71de361-37b5-4f33-a35c-6e0a22145eb0

About this result

Related concepts (32)

Transformer

A transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits. A varying current in any coil of the transformer produces a varying magnetic flux in the transformer's core, which induces a varying electromotive force (EMF) across any other coils wound around the same core. Electrical energy can be transferred between separate coils without a metallic (conductive) connection between the two circuits.

Transformer types

A variety of types of electrical transformer are made for different purposes. Despite their design differences, the various types employ the same basic principle as discovered in 1831 by Michael Faraday, and share several key functional parts. This is the most common type of transformer, widely used in electric power transmission and appliances to convert mains voltage to low voltage to power electronic devices. They are available in power ratings ranging from mW to MW. The insulated laminations minimizes eddy current losses in the iron core.

Alternating current

Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC), which flows only in one direction. Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket. A common source of DC power is a battery cell in a flashlight.

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