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Using Open Deltas Strategically To Increase Transformer Capacity

Using Open Deltas Strategically To Increase Transformer Capacity

Open delta transformers allow delta-connected transformers to supply three-phase loads with two-phase windings while maintaining phase voltages.…


Pros and Cons: Three-Phase Transformer Connections

Pros and Cons: Three-Phase Transformer Connections

This article examines three-phase transformer connections and their advantages and disadvantages, which are crucial for effectively matching…


Grid-Connected Inverter Modeling and Control of Distributed PV Systems

Grid-Connected Inverter Modeling and Control of Distributed PV Systems

This article examines the modeling and control techniques of grid-connected inverters and distributed energy power conversion challenges.


Making Sense of the Fundamentals and Configurations of 3-Phase Transformers

Making Sense of the Fundamentals and Configurations of 3-Phase Transformers

This article teaches three-phase transformers' fundamental principles and configurations, including their construction with three primary and…


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.


NEC Basics: Grounding and Bonding DC Systems Supplying Premises

NEC Basics: Grounding and Bonding DC Systems Supplying Premises

Learn whether or not you should connect a direct current power supply to the ground.


Understanding AC Voltmeters With PMMCs

Understanding AC Voltmeters With PMMCs

This article examines the behavior of permanent magnet moving-coil instruments connected to AC, where the polarity affects deflection and presents…


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…


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…