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Archive: Category «Maintenance»

Maintenance

Field secrets and warnings in power transformer mechanical check and visual inspection

Let’s discuss the visual and mechanical inspection procedures for oil-filled power transformers. It’s important, very important to examine a variety of key checkpoints, both external and internal to transformers, all…...

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Sep 11, 2023 | By Muhammad Kashif

Field secrets and warnings in power transformer mechanical check and visual inspection
Maintenance

Advice and warnings for proper handling, earthing and testing of current transformers

Welcome to the third and final part of our comprehensive series on current transformers (CTs) and their secondary circuits. In Parts 1 and 2, we covered various aspects of CT…...

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Jul 31, 2023 | By Muhammad Kashif

Advice and warnings for proper handling, earthing and testing of current transformers
Maintenance

A detailed checklist for the installation and commissioning of Gas-Insulated Substations (GIS)

Gas-insulated substations (GIS) are critical components of modern electrical power systems, providing efficient and compact solutions for the transmission and distribution of electricity. These substations utilize sulfur hexafluoride (SF6) gas…...

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Jul 17, 2023 | By Muhammad Kashif

A detailed checklist for the installation and commissioning of Gas-Insulated Substations (GIS)
Maintenance

The art of predicting the fate of a power transformer by looking into a cup of oil

Insulation medium is an indispensable part of a power transformer, and the interesting thing about it is that it can drop dead at any time. Most of the time, this…...

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Jan 09, 2023 | By Salem Alshahrani

The art of predicting the fate of a power transformer by looking into a cup of oil
Maintenance

The most common Gas-Insulated Switchgear (GIS) faults and a case of 220kV CB cubicle

Over decades since its inception, GIS switchgear demand is still prevalent in these present times due to its compact built, reliability, and maintenance advantages compared to conventional Air-insulated switchgear. Even…...

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Oct 17, 2022 | By Lark C. Cosedo

The most common Gas-Insulated Switchgear (GIS) faults and how to perform investigation
Maintenance

Capacitor banks protection, cautions and maintenance tips

It would not be wrong to say that humanity has never consumed so much electricity, and to make the paradox bigger, there is still a lack of energy. The sharp…...

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Apr 04, 2022 | By Rahmatullah Alam

Capacitor banks protection, cautions and maintenance
Electric Motor

Never let an electric motor drop dead. Learn how to listen and read the motor’s soul.

Like any other machine, electric motors are vulnerable to faults, which might lead to catastrophic failure of the machine in the long run if left unmonitored. In this technical article,…...

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Nov 29, 2021 | By Rahmatullah Alam

Never let an electric motor drop dead. Learn how to listen and read the motor’s soul.
Maintenance

Practical troubleshooting of power interruption in fully operational 33/11 kV substation

Power interruptions are one of the most critical issues that require a swift and effective remedy in a power substation. The power utility substations in the voltage level of 33/11…...

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Oct 04, 2021 | By Bishal Lamichhane

Practical troubleshooting of power interruption in fully operational 33/11 kV substation


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