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Overvoltage Categories in Power Supply Systems

Overvoltage Categories in Power Supply Systems

The operating environment for mains-powered electrical equipment is separated into four overvoltage category (OVC) areas according to their level…


Digital Multimeter Basics

Digital Multimeter Basics

Learn how to safely and effectively use a multimeter for taking electrical measurements.


How Intelligent Power Modules (IPM) Can Contribute to Energy Savings

How Intelligent Power Modules (IPM) Can Contribute to Energy Savings

IPMs have been enlarging their presence on many applications and systems because of their high level of integration (Power Stage, Drivers,…


An Introduction to Arc-Fault Circuit Interrupters (AFCIs)

An Introduction to Arc-Fault Circuit Interrupters (AFCIs)

This short series will touch on the basics and the differences between GFCIs and AFCIs. This article will focus on arc-fault circuit interrupters.


An Introduction to Ground-Fault Circuit Interrupters (GFCIs)

An Introduction to Ground-Fault Circuit Interrupters (GFCIs)

This short series will touch on the basics and the differences between GFCIs and AFCIs. This article will focus on ground-fault circuit interrupters.


Introduction to Renewable Energy Systems

Introduction to Renewable Energy Systems

Renewable energy is energy from self-replenishing sources. The main sources of renewable energy include the sun, wind, and water. Renewable energy…


The Basics of Building-Integrated Photovoltaics (BIPV) Design

The Basics of Building-Integrated Photovoltaics (BIPV) Design

Building-integrated photovoltaics (BIPV) are PV materials that are used to replace conventional building materials in parts of the building envelope.


Understanding Bandwidth Requirements When Measuring Switching Characteristics

Understanding Bandwidth Requirements When Measuring Switching Characteristics

With the advent of wide bandgap semiconductors, we are facing a transition to higher operating frequencies and more importantly shorter switching…


Values of Alternating Voltage and Current

Values of Alternating Voltage and Current

Values of AC voltage and current in a circuit may be given as peak value, average value, or rms value.


AnPV Power Back-up Systems

AnPV Power Back-up Systems

There are many versions of backup power systems. This article will discuss the various types of PV power backup systems and how they are utilized.


Understanding the Characteristics of a Motor Emulator

Understanding the Characteristics of a Motor Emulator

Various types of motors are employed in a wide range of applications, from small home appliances to large industrial systems.


Understanding Energy Produced Through Wind Emulation

Understanding Energy Produced Through Wind Emulation

The design of Wind Energy Conversion Systems (WECS) involves different kinds of generators, power electronics, and control techniques. This article…


An Introduction to Electrical Load Emulators

An Introduction to Electrical Load Emulators

There are different ways to emulate electrical loads. One of the most prominent ways is to use power electronic converters. Read on to learn more…


Understanding Solar Photovoltaic (PV) Power Generation

Understanding Solar Photovoltaic (PV) Power Generation

Learn about grid-connected and off-grid PV system configurations and the basic components involved in each kind.


What are Enhancement-mode MOSFETs?

What are Enhancement-mode MOSFETs?

Learn about the principles of operation of p-channel and n-channel enhancement-mode MOSFETs.


Understanding Three-Wire Control

Understanding Three-Wire Control

Three-wire control of a 3-phase AC motor by means of a 3-phase (3-pole) electromagnetic motor starter uses momentary switches with either…


Microgrid Operations and Applications

Microgrid Operations and Applications

In this article, we’ll learn about microgrids, their operations, and applications in electrical utilities and various organizations.


An Introduction to Wind Emulators

An Introduction to Wind Emulators

In this article, you will learn more about what a wind emulator is and how it works.


Intelligent Power Amplifier Module Based on GaN FETs

Intelligent Power Amplifier Module Based on GaN FETs

Due to their outstanding characteristics, GaN FETs play an increasingly important role in miniaturization of the switching converters with very…


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…