Cables
The problem of induced voltages in control cables in high voltage substations
Cabling in power substations 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 radiate noise. In HV substations, there are different kinds of conductors… Read more
Jan 13, 2020 | By Edvard Csanyi
Low Voltage
Five switching devices you are likely to spot in most of the low voltage switchgear
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 disconnectors and fuses. There are many variations of these devices, but the core function… Read more
Dec 23, 2019 | By Edvard Csanyi
Medium Voltage
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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 that have to be connected directly to the MV system…....
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Dec 18, 2019 | By Edvard Csanyi
Power Substation
Why substation equipment fails and why it’s wise to think of that much before failure
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, power transformer, and cable installations. A deep understanding of all… Read more
Dec 09, 2019 | By Edvard Csanyi
Power Substation
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Notes in preparation of an MV/LV substation civil drawings and construction layout
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 information and layout drawings are required for civil engineers to…...
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Dec 05, 2019 | By Edvard Csanyi
Power Substation
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 requirement. The generator, which is the source of power in… Read more
Nov 25, 2019 | By Edvard Csanyi
Power Substation
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Five substation building services that usually lack of proper design (and make troubles later)
This technical article introduces five main principles involved with substation control building and switchyard services that make a lot of trouble to substation crew if poorly designed. The article covers basic internal and external lighting design, heating, ventilation and air-conditioning…...
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Nov 20, 2019 | By Edvard Csanyi
Energy and Power
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Power supply conceptual schemes for small, medium-sized and large industrial plants
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 supply quality. For each plant size, Siemens’s LV/MV distribution switchgear and distribution transformer…...
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Oct 22, 2019 | By Edvard Csanyi
Energy and Power
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 system. Article explains the following cubicles types: incomer feeder, direct incomer,… Read more
Oct 21, 2019 | By Edvard Csanyi
Power Substation
IED (Intelligent Electronic Device) advanced functions that make our life better
Intelligent electronic devices (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 technical article briefly explains the IED advanced… Read more
Oct 16, 2019 | By Edvard Csanyi
Power Substation
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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, analysis, and simulation of the transmission and distribution networks by all persons associated…...
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Oct 10, 2019 | By Ali Bahonar
High Voltage
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Major components you can spot while looking at HV/EHV GIS (Gas-insulated switchgear)
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 everything else under the hood is improved a lot comparing…...
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Sep 18, 2019 | By Edvard Csanyi
Power Substation
Testing and commissioning of HV power transformers, circuit breakers, CTs and VTs
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, compensating equipment, isolators, etc. The various circuits are joined together through… Read more
Sep 11, 2019 | By Edvard Csanyi
High Voltage
10 most common locations of shunt capacitors installed in a power system
It’s quite simple, using shunt capacitor banks to supply the leading currents required by the load relieves the generator from supplying that part of the inductive current. Both distribution and transmission systems benefit due to the application of shunt capacitors… Read more
Aug 26, 2019 | By Edvard Csanyi
Energy and Power
Practical modifications of MV/LV radial distribution systems applied in buildings
This technical article covers low voltage and medium radial distribution systems with their practical modifications: loop-primary system – radial secondary, primary selective system – secondary radial and two-source primary – secondary selective system. This discussion covers the last three modifications… Read more
Aug 14, 2019 | By Edvard Csanyi
