Latest Backup power Articles

Calculating Transformer Voltage

This article presents three fundamental methods for calculating transformer voltages using the voltage-to-turns formula, turns ratios, and volts…

Lead-Acid Battery Basics

This article examines lead-acid battery basics, including equivalent circuits, storage capacity and efficiency, and system sizing.

Analog DC Ammeter Basics for Accurate Current Measurement

Learn about the fundamentals of analog DC ammeters, including understanding ammeter resistance, examining multirange ammeters, and applying Ayrton…

Texas Officials Greenlight Tesla’s Virtual Power Plants

Tesla has secured approval to run two virtual power plants for Powerwall customers in Texas.

Digital vs. Analog Meters: How Do They Compare?

This article examines digital reading meters, including digital voltmeters, by exploring the features and advantages and how they compare to analog…

The Fundamentals of Capacitors in AC Circuits

Learn about the fundamentals of capacitors in AC circuits, including the concept of capacitive reactance, capacitor behavior in series and parallel…

The Fundamentals of Inductors in AC Circuits

Learn about the fundamentals of inductors in AC circuits, including the concept of inductive reactance, the behavior of inductors in series and…

Why a Stable Switch-Mode Power Supply May Still Oscillate

A perfectly stable switch-mode power supply may still oscillate due to its negative resistance at the input. This article examines the issue using…

Microgrid in a Box Provides Renewable Backup Power for Rural Areas

Engineers demonstrate a renewable energy-based mobile backup power system at a hydropower plant in rural Idaho. 

High-Power Next Core for Solar, Wind and Rail

Tuned Coupled Coils Explained

Learn about tuned coupled coils and their key characteristics, including coupled impedance, measuring the impact of one coil's impedance on…

Determining Cut-Off Frequency and Transfer Function of RC High-Pass Filters

Learn how to determine the RC high-pass filter's cut-off frequency and transfer function and plot gain/frequency and phase/frequency response…

Analyzing the Options: EV Fast Charging Bi-Directional Topologies

Electric vehicle (EV) DC fast chargers currently under development have to meet more demanding specifications than today’s installed charger…

Voltage Regulators for Automotive Designs

The Nano technology leverages advancements in circuit design for high speed and low power, optimizes layout to reduce both parasitic effects and…

Increasing Power Density of 4.5 kV IGBT Power Modules

This article demonstrates how a 4.5 kV power module can fulfill converter requirements in applications like railways, medium-voltage drives, and…

Optimum GaN Gate Control for Greater Performance Gains

When designing power applications with gallium-nitride (GaN) wide-bandgap technology, proper control of the gate-driving circuit is essential to…

Powering the Control of Modern Energy Systems

Reducing CO₂ emissions has become a worldwide goal and led to the research and development of many new technologies. This article examines the…

Visualizing Transformer Behavior: Drawing Phasor Diagrams and Equivalent Circuits

In this article, you’ll learn how to draw phasor diagrams and equivalent circuits for transformers under load and no-load conditions.