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 Muhammad Kashif
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 Muhammad Kashif
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 Edvard Csanyi
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 Muhammad Kashif
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 Edvard Csanyi
Differences between primary and secondary distribution networks (you MUST know!)
This article will clarify certain frequently misunderstood terms among novice engineers: primary and secondary systems, as well as their equipment and configurations. The transmission and distribution networks of North America are examined as an example. Electricity can be generated from… Read more
Apr 24, 2023 | By Edvard Csanyi
Dos and don’ts in designing substation layout, implementing interlocks, operation and special applications
It’s always good to emphasize that substations can be a major headache for staff if they’re not designed properly. Because of this, it is essential for the success of a substation’s operation and maintenance to have a well-designed layout, an…...
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Apr 17, 2023 | By Salem Alshahrani
SF6 Gas Monitoring and Alarming Practices in Gas-Insulated Switchgear (GIS) Systems
This article provides guidance on how to conduct gas monitoring and explains the various alerts that can be set. The many sorts of defects that might lead to partial discharges are discussed, and various partial discharge measuring techniques are described,… Read more
Apr 10, 2023 | By Edvard Csanyi
Design Knowhow: Low voltage substation layouts, earthing, fire protection and tests
The design of a low-voltage substation is a pretty complex and quite exciting job to do. If the designer would have complete freedom to make decisions regarding the substation layout, equipment, or cable routes, the job will be even more…...
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Apr 03, 2023 | By Mohammed Ayman
What is the substation automation system (SAS) and what you MUST know about it
Substation automation system, or shorten SAS, is not a new term, its been in use for the last 30 years. However, substation automation as a technology has rapidly evolved in the last 10 years and nowadays represents a highly advanced…...
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Mar 27, 2023 | By Edvard Csanyi
Technical specification of switchyard equipment in a nutshell (how-to guidelines and advice)
This article provides details on the various types of switchyard equipment, including power transformers, circuit breakers, disconnectors, and more. The technical specifications (or tender specifications) for each individual piece of equipment are laid forth. The related course, guide or article…...
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Mar 20, 2023 | By Salem Alshahrani
The art of fire protection and measures in Air-Insulated Substations (AIS)
These days, the dependability of the infrastructure used to distribute energy to customers is a key metric for evaluating electrical utility companies. A single unscheduled interruption may be disastrous for a utility company’s finances and reputation. Most customers lack the…...
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Feb 20, 2023 | By Edvard Csanyi
Close and charging motor control circuits for a power circuit breaker explained in detail
This technical article deals with schematics of close and charging motor control circuits for a medium-voltage circuit breaker. The proper functioning of MV switchgear depends on control circuits. For the switchgear to operate properly, the integrity of these control circuits… Read more
Feb 13, 2023 | By Edvard Csanyi
Switchgear interlocking system and arc protection that you MUST consider in the design
There are at least two safety requirements that medium-voltage switchgear MUST fulfil: an interlocking system and an arc protection system. Yes, these two systems are crucial in terms of safety because they protect not only the operator and other substation…...
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Jan 30, 2023 | By Edvard Csanyi
A case study of a new 220 kV Gas-Insulated Switchyard (GIS) design for a generation plant
This technical article describes detailed planning and design phases of a new 220 kV Gas-Insulated Switchyard (GIS) in a 450 megawatt (MW) coal-fired combined heat and power plant (CHP) that was being considered for Ulaanbataar, Mongolia. The project is assumed…...
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Jan 23, 2023 | By Edvard Csanyi
