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Category 'Testing and Commissioning' - Technical Articles

This category includes dozens of articles about testing and commissioning lowโ€”mediumโ€”and high-voltage equipment and assemblies, such as circuit breakers, CTs, VTs, disconnectors, switchgear, transformers, electric motors, capacitor banks, etc. Special attention is given to testing procedures and identifying common mistakes that engineers make during testing.

Maintenance

Managing power transformers in service: The most important economic aspects

Utilities are under intense pressure to maximize the use of their current transformer asset base in order to keep rates down while yet providing excellent reliability. In order to achieve higher loading during both regular and emergency operations, long-standing loading…...

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Sep 16, 2024 | By

The most economic aspects of managing transformers that are in service
Power Substation

Dos and don’ts in site testing and commissioning distribution and transmission plants

The objective of the site inspection and test plan for testing and commissioning is to establish a comprehensive framework for conducting site testing and commissioning activities. It’s as simple as that! The site testing and commissioning of a transmission or…...

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Sep 02, 2024 | By

Dos and dont's in site testing and commissioning distribution and transmission plants
Power Substation

Maintaining the integrity and earth resistance of substation earthing systems

At the beginning of my career in 2005, I had the opportunity to work at a 500kV substation with the National Transmission and Dispatch Company in Pakistan. During this time, I was introduced to various tools and techniques that were…...

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Aug 26, 2024 | By

Maintaining the integrity and earth resistance of substation earthing systems
Power Substation

How to Design Effective Substation Grounding (Practical Tips)

Substation earthing, or grounding, is essential for electrical safety and reliability in substations, which are critical nodes in the power distribution network. Proper earthing ensures safe dissipation of fault currents into the ground, preventing dangerous voltage build-ups that could cause…...

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Aug 12, 2024 | By

How to Design Effective Substation Grounding (Practical Tips)
Power Substation

The Job of an Electrical Commissioning Engineer (Activities and Real World Examples)

This article aims to cover the activity of electrical commissioning. Such a task in its entirety would be immense. Commissioning can mean many things in different instances. This article aims to give a philosophical and high level conceptual overview of…...

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Aug 05, 2024 | By

The Job of an Electrical Commissioning Engineer (Activities and Real World Examples)
Power Substation

How to: Isolation, maintenance, and restoration of a 132kV GIS Transformer Bay and Line Bay

This article aims to provide a comprehensive guide to the standard operating procedures (SOPs) for the isolation, maintenance, and restoration of a 132kV GIS Transformer Bay and Line Bay. It will delve into detailed safety checks, specific steps to be…...

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Jul 15, 2024 | By

How to: Isolation, maintenance, and restoration of a 132kV GIS Transformer Bay and Line Bay
Power Substation

Standard Operating Procedures (SOPs) for GIS Substations You MUST Fully Respect

This technical article delves into the necessity of Standard Operating Procedures (SOPs) at GIS substations, emphasizing the importance of meticulous documentation, regular review, and formal approval processes to ensure that all operational activities adhere to safety and performance standards. High-voltage…...

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Jun 24, 2024 | By

Standard Operating Procedures (SOPs) for GIS Substations You MUST Respect
Power Substation

Often wrongly interpreted: Terminals, isolating links and bars in wiring diagrams and schematics

Terminals and other connecting elements, such as CT/VT shorting and isolating links, test blocks, and earthlings, often need to be better understood in analysing wiring diagrams and schematics. This can badly impact the testing and maintenance process, and sometimes, it…...

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May 20, 2024 | By

Often wrongly interpreted: Terminals, isolating links and bars in wiring diagrams and schematics
Power Substation

Intricacies of a breaker pole discrepancy and its implications for substation operation

This article delves into the realm of pole discrepancy in high voltage circuit breakers, shedding light on its mechanisms, applications, and the pivotal role it plays in enhancing system reliability. From understanding the choice between gang (three-pole) and independent (single-pole)…...

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Apr 08, 2024 | By

Intricacies of a circuit breaker pole discrepancy and its implications in substation operation
Power Substation

Practical guidelines for protection system engineering

Relay protection and the whole bunch of protection system engineering around the substation are quite interesting from the point of view of creativity. The Control and Protection System technology in a substation is very important because it watches over, protects,…...

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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
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Apr 01, 2024 | By

Premium membership gives you an opportunity to study specialized technical articles, online video courses, electrical engineering guides, and papers written by experienced electrical engineers.
Power Substation

A journey through components commonly found in control and protection schematics

In this article, we embark on a journey through various components commonly found in various electrical diagrams, control and protection schematics, shedding light on their functions, symbols, and significance in the grand orchestration of electrical systems. These are extremely important…...

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Jan 29, 2024 | By

A journey through components commonly found in control and protection schematics
Power Substation

Prepare yourself for successful inspection and testing of MV metal-clad switchgear

This article aims to provide a comprehensive analysis of the essential inspection and testing processes, emphasizing their importance in the effective functioning of medium-voltage switchgear. The inspection and testing standards included in this resource prioritize safety, functionality, and efficiency, making…...

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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
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Nov 13, 2023 | By

Prepare yourself for successful inspection and testing of MV metal-clad switchgear


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