EEPower

Latest Distributed Energy Resources Technical Articles

Categories

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…


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…


Understanding Resistance Measurement Tools

Understanding Resistance Measurement Tools

Learn about resistance measurement through two methods: the Ammeter/Voltmeter approach and the megohmmeter. The Ammeter/Voltmeter method uses…


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…


NEC 2023 Basics: Equipment Grounding Conductor Continuity and Connections

NEC 2023 Basics: Equipment Grounding Conductor Continuity and Connections

Learn about equipment grounding conductor continuity and connections.


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…


NEC 2023 Basics: Sizing Equipment Grounding Conductors

NEC 2023 Basics: Sizing Equipment Grounding Conductors

Learn how to size equipment grounding conductors.


Digital vs. Analog Meters: How Do They Compare?

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

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

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

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…


Smart Water Cooling for Servers and Data Centers

Smart Water Cooling for Servers and Data Centers

The trend toward digitalization and the adoption of new technologies utilizing artificial intelligence has led to a significant increase in global…


NEC 2023 Basics: Equipment Grounding Conductors

NEC 2023 Basics: Equipment Grounding Conductors

Learn about equipment grounding and types of equipment grounding conductors.