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Understanding the Differences Between True Power, Reactive Power, and Apparent Power

Understanding the Differences Between True Power, Reactive Power, and Apparent Power

Transformers come in many sizes and types. Transformers are rated by their capacity in volt-amps (VA). The smallest transformers may be rated at…


Finding the Peak Current of an Isolated Gate Driver

Finding the Peak Current of an Isolated Gate Driver

The peak current is one of the most important parameters in gate driver datasheets. Learn how to best find the peak current of a gate driver with…


An introduction to CMOS Technology

An introduction to CMOS Technology

Learn about the basic principles of operation of CMOS circuits.


Transformer Core Design and Cooling Classes

Transformer Core Design and Cooling Classes

Two key transformer design parameters are the type of core and the type of cooling. Common types of cooling include dry and oil-immersed…


Utilizing Totem-Pole Bridgeless PFCs

Utilizing Totem-Pole Bridgeless PFCs

This article highlights ICERGi low-cost control and drive ICs simplifying totem-pole bridgeless PFC designs.


The Role of GaAs Diodes in High Performance Power Conversion

The Role of GaAs Diodes in High Performance Power Conversion

This article highlights 3-5 Power Electronics Silicon feature dynamic switching characteristics similar to Silicon Carbide (SiC) to give excellent…


What is Transformer Overcurrent Protection?

What is Transformer Overcurrent Protection?

Most electrical devices require overcurrent protection and transformers are no exception. Transformer overcurrent protection is required to protect…


Potential Transformer Operation, Applications and Accuracy

Potential Transformer Operation, Applications and Accuracy

Learn about the operation and accuracy of potential transformers.


Understanding the Operation and Applications of Variable Transformers

Understanding the Operation and Applications of Variable Transformers

A variable transformer is a transformer that allows for fine adjustments to the output voltage. A typical variable transformer can be adjusted from…


Customized Current Sensors Enable High Power Density Electric Vehicle Inverters

Customized Current Sensors Enable High Power Density Electric Vehicle Inverters

The demand for high power density converters in EVs requires further integration of sensors within power electronics.


Types of Current Transformers and Their Construction

Types of Current Transformers and Their Construction

Very high currents can be present on power lines and in high-power circuits. It can be difficult to measure these currents directly. A current…


Overcurrent Protection, Grounding, and Applications for Control Transformers

Overcurrent Protection, Grounding, and Applications for Control Transformers

Learn about how control transformers are used in overcurrent protection and grounding.


Control Transformer Operation and Sizing

Control Transformer Operation and Sizing

There are several special types of transformers that are similar to the more common types of transformers but have special features for particular…


Small Power IPMs for High Integration Demand

Small Power IPMs for High Integration Demand

An Overview of Software Used in the Modeling and Simulation of Power Electronic Components

An Overview of Software Used in the Modeling and Simulation of Power Electronic Components

This article will provide an example of component modeling and share renowned software currently used in modeling.


“Bucking” Voltage Through a Buck-Boost Transformer

“Bucking” Voltage Through a Buck-Boost Transformer

This article highlights how a buck-boost transformer wired in an open delta when the load is relatively low to buck the voltage from 240V to 208V.


Boosting Voltage with a Buck-Boost Transformer

Boosting Voltage with a Buck-Boost Transformer

Many small plants in the middle of an industrial park or at the end of a long line suffer from low voltage during peak load periods. We can use a…


An Overview of Buck-Boost Transformer Sizing

An Overview of Buck-Boost Transformer Sizing

There are two common methods of sizing a transformer. The first method is to determine the load power and calculate the required size of the…


SmartDriver Provides Highest Flexibility for Power Stages in Variable Speed Drives

SmartDriver Provides Highest Flexibility for Power Stages in Variable Speed Drives

The continuing trend towards more efficient energy consumption in motor drives has led to a wide offering of devices for the power stage of…


Transformer Power Factor and Impedance

Transformer Power Factor and Impedance

This article gives an overview of transformer impedance and short circuit stress.