Protection
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
Power Substation ♛
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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
Power Substation
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
Energy and Power
Earthing facts and terms you should always remember
While working as an electrical engineer, I learned that there are a dozen things you must remember, especially the ones that concern the safety. Whether you are in the electrical… Read more
Mar 04, 2019 | By Edvard
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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
Energy and Power
5 most important aspects of external protection against the effects of lightning
Analysis of the lightning risk takes numerous factors into consideration. This article will shed the light on one of factors – protection of the structures and its five most important… Read more
Feb 27, 2019 | By Edvard
Energy Generation
What is negative sequence current and how does it affect generator work
As you know, generators and motors are supposed to operate with balanced three-phase loading, but exposure to unbalanced currents is inevitable. Unbalances could arise from many different sources like unbalanced… Read more
Feb 25, 2019 | By Edvard
Power Substation
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
Power Substation
How not to overspecify high voltage CTs and VTs
The installations wherein CTs and VTs are mounted to measure the normal and abnormal values of current and voltage, have many variations in key system parameters, including voltage class, insulation… Read more
Feb 18, 2019 | By Edvard
High Voltage
Inspection and maintenance of capacitor banks (recommended practices)
Capacitor banks generally require very little maintenance because they are static type of equipment, but don’t be fooled by this statement. Capacitors are well known for their dangerous reaction when… Read more
Feb 13, 2019 | By Edvard
Energy and Power
How to start with the design of electrical installation?
The power analysis must be always at the very top of your tasks in the design of an electrical installation. It will enable the source(s) to be sized according to… Read more
Feb 11, 2019 | By Edvard
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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
Power Substation
Six steps for specifying IEC 61850 and substation automation requirements
It is not easy to read the IEC 61850 documents or to comprehend how the pieces all work together. When implementing systems as complex and as new as substation automation,… Read more
Feb 06, 2019 | By Edvard
Industrial Automation
Five ingredients that make SCADA operation delicious
To explain in very simple words, I would say that SCADA is a bunch of equipment that provides an operator at a remote location with sufficient information to determine the… Read more
Feb 04, 2019 | By Edvard
Safety
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
