Editorial Staff

Motors & Drives

VFD Braking Resistor: 5 Costly Sizing Mistakes to Avoid

Motors & Drives VFD Braking Resistor: 5 Costly Sizing Mistakes to Avoid When a motor slows faster than its load wants to, the energy has

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Industrial Electrical Systems

Power Distribution System: 4 Reliable Layouts Compared

Industrial Electrical Systems Power Distribution System: 4 Reliable Layouts Compared The way feeders are arranged decides how many people lose power when one cable or

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Industrial Electrical Systems

Bus Duct System: 5 Smart Reasons to Replace Heavy Cables

Industrial Electrical Systems Bus Duct System: 5 Smart Reasons to Replace Heavy Cables Busbars inside a metal enclosure carry thousands of amps in a neat,

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Electrical Safety & Standards

Step and Touch Voltage: 3 Lifesaving Checks From IEEE 80

Electrical Safety & Standards Step and Touch Voltage: 3 Lifesaving Checks From IEEE 80 During an earth fault, the ground itself becomes energized, and a

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Electrical Machines

On Load Tap Changer: 4 Vital Parts That Keep Voltage Steady

Electrical Machines On Load Tap Changer: 4 Vital Parts That Keep Voltage Steady Changing transformer turns while full load current flows, without a single interruption,

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Electrical Machines

DC Motor Types: 5 Proven Designs and Where They Excel

Electrical Machines DC Motor Types: 5 Proven Designs and Where They Excel How the field winding is connected decides whether a DC motor holds steady

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Electrical Fundamentals

Skin Effect: 5 Hidden Factors That Raise AC Resistance

Electrical Fundamentals Skin Effect: 5 Hidden Factors That Raise AC Resistance At higher frequencies, current crowds toward the surface of a conductor and the centre

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Electrical Design & Calculations

Maximum Demand Calculation: 4 Essential Factors Explained

Electrical Design & Calculations Maximum Demand Calculation: 4 Essential Factors Explained Sizing transformers, generators and incomers on connected load alone wastes money, while sizing too

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Power Quality & Protection

Differential Protection: 5 Dangerous Pitfalls in 87T Relays

Power Quality & Protection Differential Protection: 5 Dangerous Pitfalls in 87T Transformer Relays By comparing current entering and leaving a transformer, the relay trips fast

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Motors & Drives

Soft Starter: 4 Remarkable Benefits Over DOL Starting

Motors & Drives Soft Starter: 4 Remarkable Benefits Over DOL Starting Thyristors ramp the motor voltage smoothly, cutting inrush current, mechanical shock and pump water

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