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
Maintenance
Protective grounding requirements for transmission and distribution lines
This technical article covers protective grounding requirements for steel tower and wood pole supported transmission and distribution lines, and insulated power cables. Protective grounds must be installed so all phases of lines or cable are visibly and effectively bonded together… Read more
Sep 25, 2019 | By Edvard Csanyi
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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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.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Sep 18, 2019 | By Edvard Csanyi
Protection
Interference and noise affecting transmission media in protection signalling
The transmission media that provide the communication links involved in relay protection signalling are private pilots, rented pilots or channels, power line carrier, radio and the newest and the most advanced technology – optical fibres. Historically, pilot wires and channels… Read more
Sep 09, 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
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Six beautiful animals that cause interruptions and hazards to electric utilities
Animals are one the largest causes of customer interruptions for nearly every electric utility worldwide, right after human and other factors. Problems and mitigation techniques are as varied as the animals involved. Identifying and addressing physical root causes is often…...
Membership Upgrade Required
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.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Aug 19, 2019 | By Edvard Csanyi
Maintenance
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Maintenance and troubleshooting guidelines for a typical high voltage switchgear
Like any other major component of the high voltage electrical network, a switchgear also needs maintenance schedules for trouble-free operation during its life cycle. No one should work on the system itself or on any plant controlled by it, without…...
Membership Upgrade Required
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.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Aug 07, 2019 | By Edvard Csanyi
Medium Voltage
MV distribution system design based on metal-clad drawout switchgear
Nowadays, system design engineers have a choice of many types of systems that may be used for a particular application. This discussion covers medium voltage distribution systems and their practical modifications. But first we will explain the basic primary /… Read more
Aug 05, 2019 | By Edvard Csanyi
Protection
Practical implementation of the six most common transformer protection principles
This technical article relies on the previously published article (6 alarms coming from a substation transformer you MUST take very seriously), but is much more dedicated to the implementation of relay protection principles. You know that transformer is one of… Read more
Jul 24, 2019 | By Edvard Csanyi
Protection
Critical aspects of a distance non-unit relay protection (you should understand)
Non-unit protection consists of circuits that measure and compare the voltages and currents at the relaying point. It is able to determine the location of the fault from these values. It generally only responds to faults in one direction. Non-unit… Read more
Jul 15, 2019 | By Edvard Csanyi
Energy Generation
Issues with distributed generation protection (bulk power and distributed generators)
Besides a number of benefits, there are some technical problems with relay protection of distributed generators. It turned out to be one of the most problematical technical issues since its malfunction could cause serious risk for people and components. Much… Read more
Jul 10, 2019 | By Edvard Csanyi
Protection
Differential protection of a transmission line with digital communication via pilot wires
Wire connections have a limited transmission bandwidth (3.4 kHz in the case of telephone twisted pairs). In the past they were used for differential protection with analog (50 Hz) measured value comparison and for phase comparison protection by implementation of… Read more
Jun 26, 2019 | By Edvard Csanyi
Protection
Fuses as the oldest and simplest method of protecting rural distribution systems
Fuses are the oldest and simplest methods of protecting rural networks. There is no method as simple as fuses, but don’t be tricked, modern fuses are very reliable devices. All they need is a good discrimination achieved to be almost… Read more
Jun 19, 2019 | By Edvard Csanyi
Protection
Using earth & phase directional protection where power flow direction might change
Directional protection relay is often used in all network parts in which the direction of flow of power might change, notably in the instance of a short circuit between phases or of an earthing fault (single phase fault). Directional protection… Read more
Jun 17, 2019 | By Edvard Csanyi
Protection
What is the unit protection and why it’s widely used in transmission networks
The whole power system must be protected. This is achieved by dividing it into overlapping zones. If a fault occurs in a particular zone, only the protection system covering that zone should operate. Those systems relating to other zones should… Read more
Jun 03, 2019 | By Edvard Csanyi
