EEPower

Latest Backup power Technical Articles

Categories

Time Constant in DC Circuit Inductors

Time Constant in DC Circuit Inductors

This article examines time constant and energy storage in DC circuit inductors and the danger associated with charged inductors.


Improved TO-247PLUS Discrete Package Solution for High Power Applications

Improved TO-247PLUS Discrete Package Solution for High Power Applications

A discrete device mounted on a water-cooled heat sink via direct copper bonding is one solution available to design engineers, assuming the…


Understanding DC Circuit Capacitor Behavior

Understanding DC Circuit Capacitor Behavior

This article discusses the fundamental concepts governing capacitors' behavior within DC circuits. Learn about the time constant and energy…


Estimating Virtual Semiconductor Diode Temperature Using Dynamic Thermal Impedance Curves

Estimating Virtual Semiconductor Diode Temperature Using Dynamic Thermal Impedance Curves

In applications like switched-mode power supplies, semiconductor devices often run in pulsed mode, not continuous waves. These devices might never…


Using Probability Models to Understand Electrical System Reliability Engineering

Using Probability Models to Understand Electrical System Reliability Engineering

Reliability engineering in electrical systems is essential to ensuring system efficiency. This article explores how probability models are used in…


NEC Basics: Solidly Grounded, Service-Supplied AC Systems Above 1 kV

NEC Basics: Solidly Grounded, Service-Supplied AC Systems Above 1 kV

Learn about single-point and multi-grounded neutrals and service-supplied AC systems above 1 kV.


Basics of Capacitance

Basics of Capacitance

Learn about the unit of capacitance, explore capacitance parameters, and understand how capacitance behaves in series and parallel configurations.


Exploring Transformers With Dual-Voltage Ratings

Exploring Transformers With Dual-Voltage Ratings

This article explains transformers with dual-voltage ratings and explores their configurations and how the windings can be connected in series or…


Bringing Reliability to SiC Power Modules

Bringing Reliability to SiC Power Modules

Harnessing the unique electrical advantages of wide-bandgap silicon carbide (SiC) in commercial applications requires addressing reliability…


Using WBG Switches to Reduce Motor Drive System Losses

Using WBG Switches to Reduce Motor Drive System Losses

An experimental approach to investigate the impact of higher switching frequencies on the inverter and motor efficiency using SiC and GaN


GaN Transistors Simplify High-Current Motor Drive Inverter Design

GaN Transistors Simplify High-Current Motor Drive Inverter Design

Battery-powered industrial vehicles such as forklifts, manual handlers, or warehouse automatic vehicles require high-current inverters to drive the…


Understanding Transformer Voltage Adjustment Taps

Understanding Transformer Voltage Adjustment Taps

This article explains transformer voltage adjustment taps and their crucial role in maintaining secondary voltage despite fluctuations in the supply.


Pushing Module Power Density to the Limit

Pushing Module Power Density to the Limit

Full SiC MOSFET modules have clear performance benefits, especially where high power density is required, but how can the highest possible power…


Identifying Transformer Leads

Identifying Transformer Leads

This article will help you identify transformer leads by explaining how to determine H or X leads and perform polarity tests to establish lead…


Optimization of GaN-Based Inverters for BLDC Motor Drives

Optimization of GaN-Based Inverters for BLDC Motor Drives

Gallium nitride (GaN) power devices allow an increase in the switching frequency of power converters and a reduction of the dead time; such…


Transformer Maintenance: Planning for Failure

Transformer Maintenance: Planning for Failure

This article examines transformer maintenance, including simple checks involving temperature and sound that indicate potential issues, maintenance…


Realizing Power-Saving Analog-to-Digital Conversion for Highly Accurate Measurements

Realizing Power-Saving Analog-to-Digital Conversion for Highly Accurate Measurements

This article presents a low-power analog-to-digital converter (ADC) solution for high-precision measurement applications.


Calculating Transformer Voltage

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

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

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…