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
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
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
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
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
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
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
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
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
The most common MV/LV radial distribution systems applied in buildings
In many cases, power is supplied by the power utility to a building at the utilization voltage. In these cases, the distribution of power within the building is achieved through the use of a simple radial distribution system. In cases… Read more
Aug 12, 2019 | By Edvard Csanyi
How not to select the wrong generator set (genset) for your application
Generator set is maybe the most expensive part you can find in a substation. Therefore, many factors must be considered when determining the proper size or electrical rating of an electrical power generator set. If wrong size or rate is…...
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Jul 31, 2019 | By Edvard Csanyi
Learn how to analyse and check wiring diagrams of a medium voltage switchgear
As already written earlier regarding the LV switchboard, wiring diagrams are used to show the control and signalization principle of operation inside the switchboard. Usually, they are given in form of electrical circuits between two lines which are representing control…...
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Jul 25, 2019 | By Miodrag Kokotovic
Six alarms coming from a substation transformer you MUST take very seriously
Transformers are the most expensive piece of apparatus in a power substation and therefore must have appropriate protection equipment installed to guard against various faults. This technical article explains a few internal transformer faults that make an alarm in a…...
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Jul 22, 2019 | By Edvard Csanyi
Example of 33/11 kV substation on-site assessment report
This technical article presents the shorten version of the report of an on-site assessment at the 33/11 kV Shatt Al Arab substation built in Iraq back in 2005. The assessment covered all work completed at that time, so it wasn’t… Read more
Jul 17, 2019 | By Edvard Csanyi
Integration of IEC 61850 in power plant automation, control, and protection systems
IEC 61850 is much more than a protocol. The general scope of the standard is designed to support the communication of all functions being performed in a substation. Its main goal is interoperability and this is the ability for IEDs… Read more
May 29, 2019 | By Edvard Csanyi
