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Analyzing the Inner Workings of a Variable Frequency Drive’s Inverters

Analyzing the Inner Workings of a Variable Frequency Drive’s Inverters

This teardown looks at the inner workings of the Hitachi SJ P1 Variable Frequency Drive, an inverter for industrial applications and part of a line…


Modular Multi-Level Converter Technology for Medium Voltage Applications

Modular Multi-Level Converter Technology for Medium Voltage Applications

This article introduces some of the technologies Amantys has developed to realise a full-power MMC converter for medium-voltage applications.


LED Drivers Used with Input Voltages Above and Below the Level of the LED String

LED Drivers Used with Input Voltages Above and Below the Level of the LED String

This article highlights Analog Devices Incorporated LTM8042 as can be easily configured in three topologies—boost, buck, and buck-boost—to meet…


LLC Resonant Converter Topologies for the DC-DC Stage of OBC

LLC Resonant Converter Topologies for the DC-DC Stage of OBC

This article presents popular LLC and LLC derived bidirectional converter topologies described in the literature.


950V IGBT and Diode Technology Integrated in a Low Inductive ANPC Topology

950V IGBT and Diode Technology Integrated in a Low Inductive ANPC Topology

This article highlights Active Neutral-Point clamped (ANPC) topology. This combination brings the power density of 1500 VDC PV string inverter to…


Data-Driven Maintenance Planning for Variable Speed Drives

Data-Driven Maintenance Planning for Variable Speed Drives

ABB has developed a condition-based maintenance approach for variable speed drives. Operating in the cloud, the data-driven methodology can…


Silicon Carbide Current-Limiting Devices

Silicon Carbide Current-Limiting Devices

This article highlights the drawbacks, advantages, and features of silicon carbide current-limiting devices.


The Characteristics of LED Drivers

The Characteristics of LED Drivers

This article examines the main factors that designers may analyze when designing an LED driver.


Radiation Performance of Enhancement-Mode GaN Power Devices

Radiation Performance of Enhancement-Mode GaN Power Devices

High Voltage Thyristors (SCRs) and Their Applications

High Voltage Thyristors (SCRs) and Their Applications

This article discusses WeEn Semiconductor's high voltage SCRs its applications and process technology.


High-speed Hybrid Modules for Fast Switching Applications

High-speed Hybrid Modules for Fast Switching Applications

This article discusses high-speed hybrid modules for fast switching applications and their improvements and features.


Intelligent Power Modules (IPMs): Concepts, Features, and Applications

Intelligent Power Modules (IPMs): Concepts, Features, and Applications

This article provides essential information on IPMs, which offer improved performance and simplified development for high-power switching…


An IGBT Driver with Enhanced Isolation Capacity

An IGBT Driver with Enhanced Isolation Capacity

This article discusses the essential signal transfer function of SKYPER IGBT Drivers, its isolation capability, robustness, and dedicated…


Magnetizing and Exciting Currents Waveshapes in Transformers

Magnetizing and Exciting Currents Waveshapes in Transformers

Learn about the graphical methods to derive the magnetizing and exciting currents waveshapes in transformers.


Power Transformer Basics: The Magnetic Circuit

Power Transformer Basics: The Magnetic Circuit

Learn about the magnetic circuit underlying the performance of transformers, and the equivalent model to properly analyze their operation.


Developing an Efficient Power Supply for Extremely Wide Input Voltage Ranges

Developing an Efficient Power Supply for Extremely Wide Input Voltage Ranges

This article highlights Texas Instrument method for designing an efficient ultra-wide input power supply and gives some practical tips for…


A Negative Linear Regulator for Noise-Sensitive Applications

A Negative Linear Regulator for Noise-Sensitive Applications

This article discusses Analog Devices' LT3094, a negative LDO regulator featuring ultralow noise and ultrahigh PSRR.


The Development and Performance of an Integrated Gate Commutated Thyristor (IGCT)

The Development and Performance of an Integrated Gate Commutated Thyristor (IGCT)

This article discusses the Integrated Gate Commutated Thyristor and its different segment layouts.


Selection and Proper Operation of Switching Power Transistors: Part 2

Selection and Proper Operation of Switching Power Transistors: Part 2

With 3 materials and about 8 types of transistors to select from — although not all combinations are available — the choice of the optimum…


Selecting the Proper Operation of Switching Power Transistors

Selecting the Proper Operation of Switching Power Transistors

With 3 materials and about 8 types of transistors to select from — although not all combinations are available — the choice of the optimum…