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Articles related to electrical engineering, electrical motors, generators, transformers, power system and more. Electricaleasy.com helps you to understand electrical engineering concepts in easy words.
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What Is a Voltage Surge Protector? Surge Protector vs. Voltage Protector Explained
A “ voltage surge protector ” is usually just another name for a surge protector , also called a surge protective device (SPD) . It limits voltage spikes that last a few millionths of a second. It is not the same as a voltage protector, which disconnects equipment when the…
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Three-Phase Induction Motor Construction: Interactive 3D Model
Drag the model to turn it. Use the slider to explode the motor into its parts. Switch between the squirrel cage and phase-wound (slip-ring) rotor. Click any part to read what it does. Turn on Reveal internal structure to make the internal parts easier to see. /*…
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Three-Phase Induction Motor Torque-Slip Calculator: Plot the Torque-Speed Curve
This calculator plots the torque-speed characteristic of a three-phase induction motor from its rotor parameters. It shows all three regions of operation: braking , motoring and generating . Change the rotor resistance, supply voltage or poles and watch the curve move. It is…
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Torque equation of three phase induction motor
The torque equation of a three-phase induction motor tells you how much shaft torque the motor produces at a given slip. It also explains why a slip-ring motor can start with a heavy load, and why a squirrel cage motor behaves differently. This article builds the equation step…
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Portable EV Chargers: Working, Types, Components, Benefits and Safety
The use of electric vehicles (EVs) is growing steadily, and charging infrastructure is expanding to include home, workplace, public and fast-charging facilities. However, there may be occasions when the preferred or designated charging station is unavailable. A portable EV…
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Understanding Electrical Safety When Using Aerial Work Platforms
Aerial work platforms are systems that enable workers to access high elevations where it might be unsafe or difficult to work from a ground level platform. They have many applications in electrical maintenance, construction, facility work, telecommunications and infrastructure…
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Why a Battery With Enough Capacity Can Still Fail to Power a Device
When selecting a battery for an electronic device, many engineers initially focus on one specification: capacity. A common calculation is: Runtime = Battery Capacity (mAh) / Load Current (mA) Based on this calculation, a battery with a larger capacity should theoretically…
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FACTS Technology Is Reshaping Voltage Control and Power Transmission
Modern transmission networks are being pushed harder than their designers ever planned for. Due to the increased use of renewable energy sources, electric vehicles charging, and international electricity trading, the existing power networks designed long ago now have to transfer…
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Understanding Your Electricity Bill: From Energy Charges to Fixed Charges
It is more than just a “per-unit rate” The amount on an electricity bill is easy to find. Working out where it came from is another matter. A residential electricity bill can contain energy charges, fixed charges, electricity duty or other statutory charges, adjustments,…
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Emerging Trends in Electrical Automation and Control Systems
Introduction: The Changing Role of Electrical Automation and Control Systems The use of electrical automation and control system has become a crucial aspect of industrial processes as it helps in improving productivity, efficiency, reliability, safety, and energy efficiency.…
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How Smart Grids Are Changing Modern Power Generation and Distribution
Why the Conventional Power Grid Needs to Become Smarter The original electricity grid systems were based on centralized generation and involved unidirectional flow of electricity from the central power plants to the consumers through a transmission and distribution system. This…
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Powering the Future: Energy Storage Market Innovations Transforming Electrical Systems
Renewable energy, electric transportation, and digital networks are changing the face of electrical engineering dramatically. The most important element of this process is the energy storage system . Be it big battery plants delivering energy on an industrial scale or energy…