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Category 'Power Substation' - Technical Articles

Category “Power Substation” is dedicated to technical articles about a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. This also includes primary and secondary distribution, substation installation, testing and commissioning, erection and other important topics.

Energy Generation

The art of generator synchronization techniques that every true engineer MUST know about

There are two main types of generator synchronization techniques: manual and automatic. The operator performs speed and voltage adjustments on the generator and issues the breaker closure command during a manual synchronization. Manual synchronization, in its purest form, is done…...

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Aug 07, 2023 | By

The art of synchronizing generator to the grid by adjusting the generator speed and voltage
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 operation, secondary injection testing, burden calculations, CT circuit connections, safety…...

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Jul 31, 2023 | By

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 as an insulating and arc-quenching medium, offering several advantages over…...

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Jul 17, 2023 | By

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

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 2)

Welcome to the second part of our three-part series on current transformers (CTs) and their secondary circuits. In Part 1, we explored the fundamental principles of CT operation, the importance of secondary injection testing, the concept of “burden,” considerations for…...

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Jul 03, 2023 | By

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 2) - Ensuring Reliable Operation & Testing of CTs
Power Substation

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 1)

Welcome to the first part of our three-part series on current transformers (CTs) and their secondary circuits. In this series, we will delve into the intricacies of CT operation, explore the importance of secondary injection testing, examine the concept of…...

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Jun 19, 2023 | By

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 1) - CTs and their Secondary Circuits
Power Substation

The good and bad practices in the commissioning of current transformers in a substation

In the previous technical article (check here), we delved into primary injection testing and the commissioning of current transformers. We explored the primary and secondary sides of current transformers, learned key concepts and terminology used by protection engineers, and examined…...

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Jun 05, 2023 | By

The good and bad practices in the commissioning of current transformers in a substation
Power Substation

Primary injection testing and CTs commissioning in power substations (for true engineers)

Primary injection testing is a vital procedure in the commissioning and maintenance of current transformers (CTs). These transformers are integral components of electrical systems, enabling precise measurement and effective protection of electrical currents. In this article, we will explore the…...

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May 29, 2023 | By

Primary injection testing and CTs commissioning in power substations (for true engineers)
Power Substation

Thumb rules, dos and don’ts in MV/HV switchgear testing and commissioning

No matter the approach, it is necessary that the testing engineers who will be responsible for commissioning the switchgear have a solid comprehension of the equipment that will be utilized and the various modes of operation that will be utilized…....

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May 22, 2023 | By

Thumb rules, dos and don’ts in MV/HV switchgear testing and commissioning
Power Substation

Dos and don’ts in creating operation logic diagrams for LV and MV switchgear feeders

Dealing with the switchgear operation logic diagrams is like setting the brain functions. It needs vigilance and patience from design engineer supported with hours and hours of testing and operation simulations. This technical article brings some light to the essence…...

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May 15, 2023 | By

Dos and don'ts in creating operation logic diagrams for LV and MV switchgear feeders
Power Substation

Three most common SCADA applications in MV/LV distribution systems you SHOULD know

Electrical distribution systems comprise a large number of remote applications and locations, and it has traditionally been challenging to monitor and regulate these remote applications and sites. Utility companies have been installing remote terminal/telemetry units, often known as RTUs, at…...

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May 08, 2023 | By

Three most common SCADA applications in MV/LV distribution systems you SHOULD know


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