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National Electrical Code 2023 Basics: Grounding and Bonding Part 4

National Electrical Code 2023 Basics: Grounding and Bonding Part 4

Learn how to make ground connections on the supply side of the service disconnect, determine which conductor to ground, and measure the main and…


National Electrical Code 2023 Basics: Grounding and Bonding Part 3

National Electrical Code 2023 Basics: Grounding and Bonding Part 3

Learn how to ground service-supplied AC systems and abide by the new NEC 2023 rules.


Three-Phase Induction Motor Operation Explained

Three-Phase Induction Motor Operation Explained

This article describes the operating principles and equivalent circuits of a three-phase induction motor.


Voltage Cells in Series

Voltage Cells in Series

In this article, learn how to compute the output voltage and current voltage cells connected in series. Also, learn how series-aiding and…


Motor Starters Part 2: Selecting and Sizing DOL Parts

Motor Starters Part 2: Selecting and Sizing DOL Parts

This article instructs readers on how to size and select Direct On-Line motor starter parts like circuit breakers, contactors, and thermal overload…


Motor Starters Part 1: Direct On-Line

Motor Starters Part 1: Direct On-Line

This article introduces electrical and power system engineers to the direct on-line motor starter, including principles, operation, wiring, parts,…


Electric Motor Sizing and Selection Explained

Electric Motor Sizing and Selection Explained

The article guides electrical engineers on electric motor sizing and selection to satisfy their power system requirements.


Rectification Explained Part 2: Full-Wave Rectification

Rectification Explained Part 2: Full-Wave Rectification

Rectification is a significant part of electric circuits, as it plays a role in converting AC voltage to DC voltage. This article will focus on…


Rectification Explained Part 1: Half-Wave Rectification

Rectification Explained Part 1: Half-Wave Rectification

Rectification is a significant part of an electric circuit as it plays a role in converting AC voltage to DC voltage. This article teaches about…


Introduction to Energy Meter Calibration

Introduction to Energy Meter Calibration

This article will guide engineers and technicians through procedures, precautions, and the importance of carrying out electrical energy meter…


Improving DC/DC Converter Design With SiC Power Modules

Improving DC/DC Converter Design With SiC Power Modules

Power-electronic-converter developers continuously strive for higher converter power densities at the highest efficiency. This has become even more…


Calculating Load Profile

Calculating Load Profile

Load profile in power systems determines the approximate energy required by a system over a specific period. In this article, learn how to…


Calculating Voltage Regulation in Transformers

Calculating Voltage Regulation in Transformers

Transformers experience losses that reduce voltage output at the secondary winding core. Here, you will learn about transformer voltage regulation…


Buck Regulators Solve the Power Thirst of the Transmitter Circuit in Current Loops

Buck Regulators Solve the Power Thirst of the Transmitter Circuit in Current Loops

This article explains how to design a compact power supply for a current loop transmitter using the LT8618, a 100 mA high speed synchronous…


Resonance Explained

Resonance Explained

This article introduces resonance and how it is related to impedance and admittance, the parallel and series RLC circuit resonant design,…


How to Design a Transformer: Size and Selection

How to Design a Transformer: Size and Selection

Transformers are key electrical components useful in determining the power reaching the load from the supply. In this article, you will learn how…


Understanding Impedance Matching

Understanding Impedance Matching

Impedance matching is a significant process in electrical and electronic project design. Here, you will learn all about impedance matching from…


National Electrical Code Basics: Overcurrent Protection Part 4

National Electrical Code Basics: Overcurrent Protection Part 4

Learn about rules permitting the absence of overcurrent protection for the conductors connected to the transformer secondary.


Open-Circuit and Short-Circuit Tests in Transformers

Open-Circuit and Short-Circuit Tests in Transformers

A transformer could be tested under no-load and full-load conditions to determine its turns ratio, regulation, and efficiency. However, without…


Determining Power Factor Using the Two-Wattmeter Method

Determining Power Factor Using the Two-Wattmeter Method

The ratio of true power to apparent power is called the power factor of the load. When the two-wattmeter method is used to measure the power…