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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…


Examining Alternative Battery Models—Part II

Examining Alternative Battery Models—Part II

Part 2 of this three-part series examines the alternative battery models to fuel gauging discussed in Part 1.


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


Optimizing Automotive Applications With Zero-Delay PWM Control

Optimizing Automotive Applications With Zero-Delay PWM Control

This article presents zero-delay pulse-width modulation control, MPS’ proprietary, fixed-frequency power supply control method that provides…


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…


ABB Arc Furnace Circuit Breaker Reduces Maintenance Costs

ABB Arc Furnace Circuit Breaker Reduces Maintenance Costs

After one year of use, the ABB vacuum arc furnace circuit breaker has slashed maintenance and equipment costs for one steel plant in Canada. The…


News Oct 02, 2023 by Shannon Cuthrell
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…


EV Motor by ZF Eliminates Rare Earth Magnets

EV Motor by ZF Eliminates Rare Earth Magnets

An electric vehicle motor developed by ZF operates without permanent magnets made from rare earth materials.


News Sep 28, 2023 by Kevin Clemens
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…


Addressing the Data Center Power Challenge

Addressing the Data Center Power Challenge

This article examines complex data center power challenges and explores how changing the power architecture using advanced power technology and…


Power Supply Offers Fast Voltage Response for Precision Industrial Processes

Power Supply Offers Fast Voltage Response for Precision Industrial Processes

The output voltage of the low profile FETA3000BC, 3000 W,  AC-DC power supply from COSEL can adjust in less than 2 milliseconds across its full…


new products Sep 17, 2023 by Mike Falter
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.