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Testing and commissioning of HV power transformers, circuit breakers, CTs and...
As you already know, substations are the points for controlling the supply of power on different routes by means of various equipment such as power transformers, circuit breakers, CTs/VTs,...
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Major components you can spot while looking at HV/EHV GIS (Gas-insulated...
Gas-insulated switchgear (GIS) is a piece of high voltage equipment that is being constantly developed day by day. The basics of GIS technology is more or less the same, but... Read more The post...
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Top ten software for electrical design, analysis and simulation of T&D networks
The importance of stability and maintaining the power quality of the electricity transmission and distribution (T&D) networks necessitates a thorough examination of all aspects of the design,...
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IED (Intelligent Electronic Device) advanced functions that make our life better
IEDs have been deployed extensively in power automation systems recently, and the shift from RTUs to IEDs is evident due to the integration and interoperability features of the IEDs. This... Read more...
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Standard cubicle configurations for a medium voltage metal-enclosed switchgear
This technical article will shed some light on the standard design of medium voltage metal-enclosed switchgear cubicles in terms of enclosure configurations as well as the characteristics of busbar...
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Power supply conceptual schemes for small, medium-sized and large industrial...
This technical article presents preferred system structures and power supply concepts for small, medium-sized and large industrial plants that meet the different requirements for power demand and...
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5 substation building services that usually lack of proper design (and make...
This technical article introduces five main principles involved with substation control building and switchyard services that make a lot of troubles to substation crew if poorly designed. The article...
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HV/EHV substation switching configurations, control and protection functions
The demand for power is growing rapidly due to increased industrial activities almost all across the world. Various generating sets of large ratings are being set up to meet this... Read more The post...
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Notes in preparation of an MV/LV substation civil drawings and construction...
MV/LV substations are not only a point of supply but also provide a means of network isolation in the event of faults or emergencies. In that manner, a detailed substation... Read more The post Notes...
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Why substation equipment fails and why it’s wise to think of that much before...
This technical article will try to shed some light on why and how electrical equipment fails and what’s happening before and during the failure of particular substation equipment like switchgear,......
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The analysis of MV/LV incoming supply configurations for large industrial plants
The metal-processing industry is an excellent example where you can find specific large industrial plants. Why specific? Maybe because in such plants, there are only a few individual large loads......
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Five switching devices you are likely to spot in most of the low voltage...
This technical article will try to shed some light on switching devices usually installed in low voltage switchgear – circuit breakers, contactors, disconnectors, load-break switches, switch...
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The problem of induced voltages in control cables in high voltage substations
Cabling in power substation is very important due to the fact that they are the longest parts of a system and therefore act as efficient antennas that pickup and or... Read more The post The problem...
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The story of designing the electrical part of MV/LV power substation
Designing a new MV/LV distribution substation is somewhat complicated and involves a lot of factors you must take care of. This technical article will try to present the essential steps... Read more...
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Eight criteria you should consider when choosing the right MV/LV transformer...
Although there are few common-sense rules that every electrical engineer follow when choosing the transformer type, it’s always a good idea to name the most important of them. This technical... Read...
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Lessons I learned during installation and wiring of LV switchboard
Let’s start with some basic definitions from the United States National Electrical Code (NEC). An LV switchboard is generally defined as a large single panel, frame, or assembly of panels... Read more...
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Primary substations and bus layouts in the distribution system of an...
The primary distribution system of an industrial plant is generally the higher voltage portion of the system, starting with the purchased-power service and including generators, switching equipment,...
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An overview of transformer connections and diagrams in the electric power system
Power transformers are used extensively by traditional electric utility companies, power plants, and industrial plants. This technical article summarizes the basic types, connections, and diagrams of...
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What are the primary substation feeders? How to analyze their arrangements?
A feeder carries energy to a substation or bus or to several loads. The several feeder arrangements are discussed in this technical article. Feeder may connect two substation buses in... Read more The...
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Civil engineering in installation of substation buildings and switchboard rooms
What is the civil engineering of substation? The civil engineering includes a large quantity of information and details for the structural drawings required to design switchgear installations. The...
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