Low Voltage
MV/LV Power Substations Design and Schematics Notes (Network Supply and Enclosure Types)
Early consultation with the local Electricity Distributor is essential for agreement on a mutually approved MV/LV substation to act as the intake point for a particular site. This consultation is usually before detailed knowledge of the plant or project is… Read more
Jun 11, 2018 | By Edvard Csanyi
Power Substation
The Most Used Outdoor Switchyard Layouts You Should Know About
The arrangement of outdoor switchgear layouts and installations is mostly influenced by economic considerations, in particular adaptation to the space available and the operational requirements of reliability and ease of supervision. Contents: Switchyard layout in general Selected layout examples: Low… Read more
May 07, 2018 | By Edvard Csanyi
Power Substation
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The Essentials Of Substations, Electrical Equipment and Busbar Arrangements
Electrical power systems nowadays are generated, transmitted, and distributed in the form of alternating current. The electric power is produced at the power stations which are located in suitable places, generally quite away from the consumers. It is delivered to…...
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Apr 06, 2018 | By Edvard Csanyi
Medium Voltage
The Most Important Tests For Medium Voltage Metal-Enclosed Switchgear (You SHOULD Perform)
The design of the insulation system for metal-enclosed switchgear is based upon life expectancy of about 30 years. However, environmental conditions such as dirt, moisture, and corrosive atmosphere can shorten the design life. Moisture combined with dirt is the greatest… Read more
Mar 28, 2018 | By Edvard Csanyi
Low Voltage
Why Ground Fault Protection Matters and Which Scheme For Sensing Ground Faults To Choose
A ground fault normally occurs in one of two ways: by accidental contact of an energized conductor with normally grounded metal, or as a result of an insulation failure of an energized conductor. When an insulation failure occurs, the energized… Read more
Mar 19, 2018 | By Edvard Csanyi
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Meet the Real Heart of Power System Operations – The Transmission Control Center
The transmission control centre is the real heart of every utility’s power system operations. Typical transmission control centres have three main desks – the generation, transmission and scheduling desk. Let’s take look at three main transmission and other support desks…...
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Feb 23, 2018 | By Edvard Csanyi
Power Substation
AC Auxiliary Systems In Power Substations (Design Requirements and Equipment)
Substation AC auxiliary systems are typically used to supply loads such as transformer cooling, oil pumps, and load tap changers, circuit breaker air compressors and charging motors, outdoor device heaters, outdoor lighting and receptacles, motor-operated disconnecting switches and control house…. Read more
Feb 14, 2018 | By Edvard Csanyi
Power Substation
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Substation splitting and CB autoclosing for limitation of short-circuit currents
In this article, we describe method and technique of substation splitting and use of circuit breaker autoclosing that may be used for the control and limitation of the magnitude of short-circuit currents in both power system operational and design timescales…....
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Feb 02, 2018 | By Edvard Csanyi
High Voltage
Circuit configurations (single line diagrams) for HV and MV switchgear installations
The starting point for planning a switchgear installation is its single line diagram. This indicates the extent of the installation, such as the number of busbars and branches, and also their associated apparatus. The most common circuit configurations of high… Read more
Jan 22, 2018 | By Edvard Csanyi
Power Substation
What is what in outdoor HV substation? How to identify elements by shape and function?
It’s not always an easy task to explain what is what in high voltage substations. Shapes of the major elements are mostly similar through substations, but there are also combinations of two and more elements with integrated functions. This technical… Read more
Jan 10, 2018 | By Edvard Csanyi
Electric Motor
10 Common Questions You Can Expect In Electrical Engineering Examination Test
This examination will focus on testing the fundamentals of electrical engineering from low voltage to high voltage. Of course, you can use huge EEP’s resources for help in calculations and finding right answers. Ok, let’s start with questions. You can… Read more
Dec 26, 2017 | By Edvard Csanyi
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Analyzing Power System And Equipment Performance Through Oscillographic Records
Most technically oriented people recognize the familiar 60Hz voltage and current traces that constitute the parameters of an operating power system. There are, however, transient components superimposed on the 60Hz waveform in the form of spikes and higher and lower…...
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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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Dec 15, 2017 | By Edvard Csanyi
High Voltage
Seven design diagrams that every HV substation engineer MUST understand
A substation engineer should have a good understanding of the electrical equipment and layout of HV power substation. It’s also important to understand relationship between protection and the other equipment in the substations and the distribution system. Beside this, it’s… Read more
Oct 04, 2017 | By Edvard Csanyi
High Voltage
Main circuit breaker types from 1000 V MCB to 1000 kV dead tank breaker
This technical article discusses two important circuit breaker classifications – by voltage level (from low to medium and high voltage) and secondly by technology (extinguishing method or medium that insulates the breaker contacts. Contents: Voltage levels of circuit breakers: High… Read more
Sep 06, 2017 | By Edvard Csanyi
Energy and Power
Ten equipment you MUST recognize in every distribution substation
Distribution substation is a substation from which electric supply is distributed to the different users. In a substation there are numbers of incoming and outgoing circuits each having its isolator, circuit breaker, transformers etc. connected to bus-bar system. These equipment… Read more
Aug 11, 2017 | By Edvard Csanyi
