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Archive: Category «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,…...

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Jan 11, 2021 | Salem Alshahrani

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

Mastering switchgear control circuits: trip, BCPU and alarm, indication, and interlock circuits

In the last article, an introductory part of the switchgear control circuits, including DC/AC circuit and breaker closing circuit, was discussed thoroughly. This article continues the discussion with a breaker trip circuit, bay control-protection unit…...

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Dec 14, 2020 | Salem Alshahrani

Mastering switchgear control circuits: trip, BCPU and alarm, indication, and interlock circuits

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…...

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Nov 30, 2020 | Salem Alshahrani

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

My experience in drafting the layout & arrangement drawing of 33/11 kV distribution substation

Medium voltage substations fall within the sub-transmission power system category, which feeds the bulk consumers directly or facilitates the secondary and tertiary distribution to small industrial and household consumers over an area after a suitable…...

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Nov 17, 2020 | Bishal Lamichhane

My experience in drafting the layout & arrangement drawing of 33/11 kV distribution substation

How to convert old substation to a digital substation?

Typically, substations comprise power elements like power transformers, switches, busbars, etc. and control elements like protection units, metering units, RTUs, SCADA, etc. While the power elements are mandatory requirements, the control elements vary as per…...

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Sep 07, 2020 | Bishal Lamichhane

How to convert old substation to a digital substation?

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…...

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Aug 26, 2020 | Edvard

Substation and switchyard structures that support electrical equipment


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