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Technical Articles Tagged With 'circuit breaker'

Power Substation

Fundamental electrical schemes of connections for supply at generator voltage and higher

This technical article will shed some light on fundamental schemes and arrangements of connections for supply at generator voltage, higher than generated voltage, and a few basic transmission schemes. It is important to note that the choice of the electrical…...

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Mar 08, 2021 | By

Fundamental electrical schemes of connections for supply at generator voltage and higher
Power Substation

Mastering GIS control circuits: AC/DC auxiliary circuits and circuit breaker closing circuit

A gas-insulated substation (GIS) is usually utilized in high voltage applications in which all conductive parts are encapsulated in sealed cylinders with SF6 as the insulating medium. The air-insulated substation (AIS), on the other hand, has air as an insulating…...

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Jan 11, 2021 | By

Mastering GIS control circuits – AC/DC auxiliary circuits and circuit breaker closing circuit
Medium Voltage

Mastering switchgear control circuits – AC/DC circuits and circuit breaker closing circuit

Control circuits are vital to the operation of medium voltage switchgear. The integrity of these control circuits is essential to the switchgear’s proper operation, so commissioning and maintenance activities records are extremely important for troubleshooting practices. Furthermore, one has to…...

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Nov 30, 2020 | By

Mastering switchgear control circuits – AC/DC circuits and circuit breaker closing circuit
Electric Motor

Mastering Motor Control Center (MCC): Wiring diagrams and equipment from zero to hero

This article explains the standard MCCs components using the single-line and wiring diagrams to interpret the functionality of each component and the integral MCC function. The single line and the wiring drawings are a language of pictures that require comprehension…...

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Nov 02, 2020 | By

Mastering Motor Control Center (MCC): Wiring diagrams and equipment from zero to hero
High Voltage

Substation and switchyard support structures for electrical equipment (you SHOULD know)

Substation and switchyard structures are used to support the above-grade components and electrical equipment such as cable bus, rigid bus, and strain bus conductors, switches, surge arresters, insulators, and other equipment. Substation and switchyard structures can be fabricated from latticed…...

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Aug 26, 2020 | By

Substation and switchyard structures that support electrical equipment
Power Substation

My practical experience in the electrical protection system of industrial generators

A functional protection system installed, commissioned, and maintained on critical equipment like an industrial generator is of high importance. As such, every protection system must have the ability to: accurately detect, discriminate and isolate, and timely disconnect any fault. Each…...

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Aug 03, 2020 | By

My practical experience in the electrical protection system of industrial generators
Energy and Power

A real-life case study of relay coordination (step by step tutorial with analysis)

I would say that coordination is a TEAMWORK. In the protection context, it implies how the various protection devices in an electrical distribution network, work as a team, to achieve the common objective of power supply continuity, even in the…...

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Jun 15, 2020 | By

A real-life case study of relay coordination
Maintenance

My worst experience in the maintenance and supervision of medium voltage substations

While there are various voltage levels applicable across the globe depending upon the usability, the category of Medium Voltage remains one of the most critical voltage group comprising primary distribution or sub-transmission category of power supply at the range of…...

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Jun 01, 2020 | By

My worst experience in the maintenance and supervision of medium voltage substations
Medium Voltage

Mastering single line and wiring diagrams: Using circuit breaker for MV power factor correction

Within this article, a custom-made cubicle intended for supply and protection of MV reactive power compensation block will be analyzed. Technical characteristics of major electrical components, together with three line and wiring diagrams, will be shown, while some specific aspects…...

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Apr 09, 2020 | By

Mastering single line and wiring diagrams: Using circuit breaker for MV power factor correction
Medium Voltage

Learn how to interpret interlocking schemes between MV cubicles (single line and wiring diagrams)

There are numerous variations of MV switchgear topology, measurement, and control logic. However, there are also some basic rules related to these aspects which may be frequently seen in practice, with the purpose of increased safety and reliability during operation…....

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Mar 12, 2020 | By

Mastering single line and wiring diagrams: Interlocking between MV cubicles


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