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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.


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…


Characterizing Parasitic Components in Power Converters

Characterizing Parasitic Components in Power Converters

This article introduces and explains parasitics in passive components like capacitors, inductors,…


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…


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…


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.


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…


Tuned Coupled Coils Explained

Tuned Coupled Coils Explained

Learn about tuned coupled coils and their key characteristics, including coupled impedance, measuring the impact of one coil's impedance on…


Determining Cut-Off Frequency and Transfer Function of RC High-Pass Filters

Determining Cut-Off Frequency and Transfer Function of RC High-Pass Filters

Learn how to determine the RC high-pass filter's cut-off frequency and transfer function and plot gain/frequency and phase/frequency response…


Calculating RC Low-Pass Filter Cut-Off Frequency and Transfer Function

Calculating RC Low-Pass Filter Cut-Off Frequency and Transfer Function

Learn how to determine the RC low-pass filter's cut-off frequency and transfer function and plot the gain/frequency and phase/frequency…


Visualizing Transformer Behavior: Drawing Phasor Diagrams and Equivalent Circuits

Visualizing Transformer Behavior: Drawing Phasor Diagrams and Equivalent Circuits

In this article, you’ll learn how to draw phasor diagrams and equivalent circuits for transformers under load and no-load conditions.


Understanding Resonance In Parallel RLC Circuits

Understanding Resonance In Parallel RLC Circuits

Learn the difference between ideal and practical parallel RLC resonant circuits and how to calculate admittance and impedance in parallel RLC…


Advanced Inductor Circuit Models: Finding the AC Resistance

Advanced Inductor Circuit Models: Finding the AC Resistance

This article describes how to obtain the proper AC resistance of the inductor winding.


Advanced Inductor Circuit Models

Advanced Inductor Circuit Models

In this article, Dr. Ridley describes new advanced circuit models that can be used to accurately predict the performance of off-the-shelf…


Determining Series RLC Circuit Resonance Frequency

Determining Series RLC Circuit Resonance Frequency

Learn how to determine the resonance frequency, the component voltages, and current levels at various frequencies in a series RLC circuit.


Series RC Circuit Analysis

Series RC Circuit Analysis

The behavior of a series RC circuit can be described using various electrical properties such as resistance, capacitance, and impedance, and…


Examining Series RL Circuit Behavior

Examining Series RL Circuit Behavior

The behavior of a series RL circuit can be described using various electrical properties such as resistance, inductance, and impedance.…


Calculating Force on Current-carrying Conductors

Calculating Force on Current-carrying Conductors

In this article, learn how to calculate the force exerted on a current-carrying conductor situated in a magnetic field and define the direction of…


Understanding RL Circuit Operation and Time Constant

Understanding RL Circuit Operation and Time Constant

An RL circuit is an electrical circuit consisting of a resistor (R) and an inductor (L) connected in series. The behavior of an RL circuit can be…


Maximizing Class E Dual-frequency Resonant Boost Converter Efficiency

Maximizing Class E Dual-frequency Resonant Boost Converter Efficiency

Discover how class E dual-frequency resonant boost converters can improve your power system efficiency. Explore advantages, disadvantages, and…