An Optimization Design for Transformer and Output Filter of a Micro-inverter with Passive Integration Technique

期刊： IEEJ JOURNAL OF INDUSTRY APPLICATIONS, 2020; 9 (3)

The transformer and output filter of the micro-inverter usually have a considerable footprint in the total system. In order to improve the power densi......

Mission-Profile-Based Testing Scheme for Sub-Modules in Modular Multilevel Converter

期刊： IEEJ JOURNAL OF INDUSTRY APPLICATIONS, 2020; 9 (3)

Modular multilevel converter (MMC) has been widely used in medium/high-voltage direct current transmission, motor drive, and renewable energy power ge......

An Approximation Model of AC Resistance for Inductor and Transformer Windings with Partial Layers

期刊： IEEJ JOURNAL OF INDUSTRY APPLICATIONS, 2020; 9 (5)

This paper proposes an approximation model of the AC resistance for windings with partial layers. It introduces the concept of the number of layers fo......

Bi-Directional High-Conversion-Ratio CLLC Resonant Converter with a New Synchronous Rectification Scheme for Low Conduction Loss

期刊： IEEJ JOURNAL OF INDUSTRY APPLICATIONS, 2020; 9 (5)

This paper proposes a new synchronous rectification (SR) scheme for frequency-modulated bi-directional CLLC resonant converters. By introducing a smal......

Improvement of DC Railway Simulation Using Iteration History-of-Convergence Calculation

期刊： IEEJ JOURNAL OF INDUSTRY APPLICATIONS, 2020; 9 (5)

We developed an integrated railway simulator that can simulate the collaboration each subsystem of a railroad, such as a train, signalling system, and......