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Technical Articles

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 | Power Substation ♛

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

Ten most dangerous mistakes in the operation of low voltage switchgear (you should be aware of)

The Association of Steam and Electric Apparatus Owners (APAVE) generally classifies low-voltage equipment as any equipment that requires a rating of ≤ 1000 volts to operate. With a majority of electrically driven equipment falling under…...

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Dec 28, 2020 | Energy and Power ♛

Ten most dangerous mistakes in the operation of low voltage switchgear (you should be aware of)

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 | Medium Voltage ♛

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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This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.
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Nov 30, 2020 | Medium Voltage ♛

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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This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.
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Nov 17, 2020 | Medium Voltage ♛

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

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

Motor control center (MCC) was introduced back in 1937 to place different motor starters in one cabinet to save space. It is a modular cabinet that supplies and controls motors, which is usually a tailor-made…...

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Nov 02, 2020 | Electric Motor ♛

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


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