Optimization of Inverter Circuits　－Introduction－

In succession to the previous “Optimization of PFC Circuits“, this article initiates a discussion of “Optimization of Inverter Circuits” using the ROHM Solution Simulator.

Optimization of Inverter Circuits Using the ROHM Solution Simulator

The ROHM Solution Simulator, which is a web-based simulation tool that can be used simply by registering at MyROHM, offers numerous Solution Circuits. “Power Device Solution Circuits” for power devices are classified into three categories, which are AD-DC PFCs, DC-AC inverters, and DC-DC Converters; various solution circuits are provided.

In this section, basic methods for adjusting different parameters and related know-how are introduced using inverter circuits among the Power Device Solution Circuits. Examples are presented in which simulations are used to pursue optimization with respect to three important matters requiring study in inverter circuit design: the influence of trr, selection of optimal devices based on losses, and features of half-bridge and full-bridge designs.

The “User Guide: Inverters” document on which this article is based can be downloaded from the following link:

https://fscdn.rohm.com/en/products/databook/applinote/discrete/common/web-sim-power-device-inverter_ug-e.pdf

List of Power Device Solution Circuits for Inverter Circuits

We begin by presenting a list of the Power Device Solution Circuits for inverter circuits that are currently available. Starting with general single-phase half-bridge and full-bridge circuits, in addition to 3-phase inverters and 3-level inverters, there are also circuits available for specific applications such as IH inverters and motor drives.