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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.


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…


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…


Design Challenges and Considerations for Brushless DC Motors and Their Drives

Design Challenges and Considerations for Brushless DC Motors and Their Drives

Design Challenges and Considerations for Brushless DC Motors and Their Drives


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…


Implementing Hybrid ANPC Inverters With Synchronous Rectification

Implementing Hybrid ANPC Inverters With Synchronous Rectification

Manufacturers of PV inverters and energy storage systems are increasingly turning to silicon carbide power modules to increase the efficiency of…


How to Control Brushless DC Motors

How to Control Brushless DC Motors

Brushless DC motors are widely used in consumer appliances, industrial equipment, and automotive applications. While they offer a more reliable and…


NEC 2023 Basics: Sizing Equipment Grounding Conductors

NEC 2023 Basics: Sizing Equipment Grounding Conductors

Learn how to size equipment grounding conductors.