Six common bus configurations in substations up to 345 kV
This technical article explains six most common bus configurations used for distribution, transmission, or switching substations at voltages up to 345 kV. Presented single line diagrams and layouts are generalized… Read more
Mar 18, 2019 | By Edvard Csanyi
Pilot schemes for transmission line protection
Pilot schemes simultaneously measure and monitor system parameters at all terminals of a transmission line, local and remote, and then respond according to their predetermined functions. These schemes require the… Read more
Mar 13, 2019 | By Edvard Csanyi
Control house at HV/EHV switchyards and substations (construction, layout and functions)
Nowadays, the control house is one of the main parts of every modern HV switchyard and substation. Why? Simply, because substations have grown in complexity and equipment such as circuit…...
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Mar 11, 2019 | By Edvard Csanyi
Primary and secondary power distribution systems (layouts explained)
Primary distribution systems consist of feeders that deliver power from distribution substations to distribution transformers. A feeder usually begins with a feeder breaker at the distribution substation. Many feeders leave… Read more
Mar 06, 2019 | By Edvard Csanyi
Why more and more automation in power distribution? Aren’t we already automated?
One may wonder why is everybody talking more and more about automation in power distribution. Aren’t we already automated? Well, we are not. It can always be better, faster, with…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Feb 28, 2019 | By Edvard Csanyi
Learn to recognize T&D pylons, foundations, insulators, cables, bushings and arresters
Recognizing the type of transmission & distribution pylons and their equipment is kind of hard if you don’t know where to look for. There are many variations that look similar… Read more
Feb 20, 2019 | By Edvard Csanyi
Connections and working principles of three-phase distribution transformers
A three-phase service can be supplied by one three-phase transformer unit or by interconnecting three single-phase transformer units. One three-phase unit is smaller than an equivalent size bank consisting of…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Feb 08, 2019 | By Edvard Csanyi
People response to short-term exposure to electric fields of AC transmission lines
Short-term exposures to electric fields produced by AC transmission lines and stations can be pretty serious and may be classified according to the type of effect causing a sensation in… Read more
Jan 30, 2019 | By Edvard Csanyi
Protection of a transformer directly connected to a transmission line without switchgear
A transformer-feeder include a transformer directly connected to a transmission line circuit without the intermediation of a HV switchgear. The saving in HV switchgear so achieved is unfortunately lowered by… Read more
Jan 28, 2019 | By Edvard Csanyi
Six MV/HV applications of series capacitors for improving the power quality
Series capacitors are connected in series in the circuit and therefore carry the full transmission line current. The series capacitor is actually a negative reactance in series with a transmission… Read more
Jan 23, 2019 | By Edvard Csanyi
The basic things about substations you MUST know in the middle of the night!
To explain in very simple words, I would say that substation is a bunch of electrical devices gathered and connected in one place. On top are clever electrical devices who… Read more
Jan 09, 2019 | By Edvard Csanyi
Directional protection relays applied to multiple power sources, parallel circuits and loops
Directional protection is usually applied to distribution systems that contain multiple power sources, parallel circuits and rings/loops. For such systems it is absolutely necessary to have protection against fault currents…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Dec 27, 2018 | By Edvard Csanyi
The Essentials Of Voltage Transformers (Advanced Theory and Practice)
The most common voltage sources for power system measurements and protections are either wound transformers (voltage transformers) or capacitive divider devices (capacitor voltage transformers or bushing potential devices). Some new… Read more
Dec 19, 2018 | By Edvard Csanyi
Typical utility-consumer interconnection configurations
The utility-consumer interconnection provides the path for power flow between supplier (utility) and user (consumer). The interconnection may comprise one or more circuits and is assumed to include voltage transformation…. Read more
Dec 10, 2018 | By Edvard Csanyi
The logic behind switchgear interlocking systems in substations
Switchgear interlocking is installed to protect both the equipment and the operator from dangerous situations caused by incorrect equipment operation. It can be categorized as operational interlocking and safety, or…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Dec 07, 2018 | By Edvard Csanyi