Energy and Power
5 Main Harmonics Generators And Their Detrimental Effects On Industrial Applications
In industrial applications, the main types of equipment that generate harmonics are: static converters, arc furnaces, lighting, saturated reactors and other equipment, such as rotating machines which generate slot harmonics… Read more
Jan 31, 2018 | By Edvard Csanyi
Electric Motor
Protecting Motor From External Network Disturbances (Unbalance, V/Hz-ratio and Re-Energizing)
Unbalance in the supply voltage is typically due to a broken phase condition somewhere in the upstream network. This may result from single-phase fuse failure or pole discrepancy of a… Read more
Jan 29, 2018 | By Edvard Csanyi
Energy and Power
How to control and protect capacitor banks before something goes wrong
The purpose of a capacitor bank’s protective control is to remove the bank from service before any units or any of the elements that make up a capacitor unit are… Read more
Jan 24, 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… Read more
Jan 22, 2018 | By Edvard Csanyi
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Neutral Point Treatment in Three-Phase Networks (Detailed Overview and Comparison)
The main faults in power networks are the single-phase short-circuit and the short-circuit to ground. The short-circuit to ground is a conductive connection between a point in the network belonging…...
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Jan 18, 2018 | By Edvard Csanyi
Electric Motor
Calculation of shaded-pole motor losses and efficiency at full load in 6 steps
First, let’s say few words about shaded-pole motors, and then dive into calculation procedure. A shaded pole motor is the simplest form of a single phase motor and is very… Read more
Jan 17, 2018 | By Edvard Csanyi
Energy and Power
What are Triplen Harmonics and where do they happen?
In order to understand network problems with triplen harmonics, first let’s have a short explanation of harmonic phase sequence and third harmonics. Power engineers have traditionally used symmetrical components to… Read more
Jan 15, 2018 | By Edvard Csanyi
Protection
Recommended and commonly applied protection for transformers
The protection that is recommended and commonly applied for transformers is summarized in the following figures. It should be noted and recognized that these are general recommendations, not strict. More… Read more
Jan 12, 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… Read more
Jan 10, 2018 | By Edvard Csanyi
Power Substation
HV Transmission Line Components (Towers, Conductors, Substations, ROWs and Roads)
The towers and conductors of a transmission line are familiar elements in our landscape. However, on closer inspection, each transmission line has common components with unique characteristics, beginnings and ends…. Read more
Jan 08, 2018 | By Edvard Csanyi
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8 Examples Of Transformer Differential Protection Using SIPROTEC Numerical Relays
The following examples show the application of SIPROTEC numerical relays for transformer protection. The individual functions are designated, using ANSI codes (Standard C37.2 – Electrical Power System Device Function Numbers)…....
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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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Jan 05, 2018 | By Edvard Csanyi
Electrical Lectures
Solve These Ten DC Circuits and Train Your Brain!
I guess you’re still recovering from an awesome lunches and dinners you’ve had during holidays. Well, now when it’s over – it’s a good moment to plug yourself back and… Read more
Jan 04, 2018 | By Edvard Csanyi
Electric Motor
Protection Of Industrial Power Supply Systems (Fuses, MCCBs and Overcurrent Relays Settings)
As industrial operations processes and plants have become more complex and extensive, the requirement for improved reliability of electrical power supplies has also increased. The potential costs of outage time… Read more
Jan 02, 2018 | By Edvard Csanyi
