Electrical Axis: Electrical Equipment

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How to Determine the Correct Polarity of Transformers?

Editorial StaffThursday, June 17, 2021

Photo Credit: Electric Power Inc An understanding of polarity is essential to correctly construct three-phase transformer banks and to pro...

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Electrical Equipment Power System

Type and Purpose of Phase Disconnects

Editorial StaffThursday, June 17, 2021

Photo Credit: Control Automation A disconnect switch is any solid-blade switch installed to provide a means to isolate or sectionalize a c...

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electric protection Electrical Equipment fuse

What are the Characteristics of Fuse as Circuit Protection?

Editorial StaffTuesday, November 24, 2020

Fuse A fuse is the simplest device for interrupting a circuit experiencing an overload or a short circuit. A typical fuse, like the one sh...

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Busway Electrical Equipment Electrical Installation

What is a Busway and It's Purpose?

Editorial StaffTuesday, November 24, 2020

Example of Distribution System Photo: Siemens The busway is defined by the National Electrical Manufacturers Association (NEMA) as a pref...

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Electrical Equipment Electrical Installation Renewable Energy

Photovoltaic Cell

TGI 360Saturday, March 17, 2018

Photovoltaics is the direct conversion of light into electricity at the atomic level. This is the fundamental block of solar power tech...

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circuit breaker Electrical Equipment Electrical Installation Electrical Safety

What is a Shunt Trip?

TGI 360Thursday, March 15, 2018

What is a Shunt Trip? A shunt trip is a device designed to switch-off the circuit breaker remotely. When energized, a shunt releas...

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circuit breaker Electrical Equipment Electrical Safety

What is an RCD?

TGI 360Tuesday, March 13, 2018

An RCD is an acronym for Residual Current Device. This device works in a simple principle that whatever amount of current enter...

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arc flash Electrical Equipment Electrical Safety NFPA 70E

Video: Arc Flash Accident

Editorial StaffSunday, November 06, 2016

What is an Arc Flash? NFPA 70E (the relevant standard from the National Fire Protection Association), Arc Flash is a “dangerous con...

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Electrical Design Electrical Equipment Electrical Safety Power System power system protection Technical Topics tutorial video

Video: Tutorial on Power System Protection

Editorial StaffSunday, November 06, 2016

Power System Protection Introduction In a power system consisting of generators, transformers, transmission and distribution cir...

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circuit breaker Electrical Design Electrical Equipment Electrical Installation Electrical Safety Technical Topics what

Operating Characteristics of Miniature Circuit Breakers

Editorial StaffMonday, October 31, 2016

BS 7671 defines circuit breaker as A mechanical device capable of making and carrying currents under normal circuit conditions an...

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AC Machines Electrical Equipment Electrical Machines Generator what

What are the Common Generator Problems and It's Protection

Editorial StaffFriday, March 06, 2015

Generator protection is very important in power plant operation. The protection of generators involves the consideration of more possible ...

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Advance Circuit Theory Electrical Equipment how

Variable Frequency Drive and the Affinity Law

Editorial StaffFriday, March 06, 2015

What is Variable Frequency Drive? A variable frequency drive (VFD), also known as an adjustable frequency drive or variable speed driv...

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Electrical Axis

How to Determine the Correct Polarity of Transformers?

Type and Purpose of Phase Disconnects

What are the Characteristics of Fuse as Circuit Protection?

What is a Busway and It's Purpose?

Photovoltaic Cell

What is a Shunt Trip?

What is an RCD?

Video: Arc Flash Accident

Video: Tutorial on Power System Protection

Operating Characteristics of Miniature Circuit Breakers

What are the Common Generator Problems and It's Protection

Variable Frequency Drive and the Affinity Law

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