Measurements and Calculations Of Earth Electrode Systems (BS 7430)
System earthing involves the provision of a connection to the general mass of earth. This connection should have a resistance not greater than that required to operate safety mechanisms to… Read more
Feb 26, 2018 | By Edvard Csanyi
Earth Fault Protection On Insulated Networks and Petersen Coil Earthed Networks
There are situations when power system is run completely insulated from earth. The advantage of this is that a single phase-earth fault on the system does not cause any earth… Read more
Feb 12, 2018 | By Edvard Csanyi
Five telecommunication systems embedded in smart grid applications and services
Power utilities use telecommunication systems either as a support for grid assets’ operation or as the enabler for voice communications among operating staff. The main objective of utility telecommunications is…...
Premium Membership Required
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.
Limited time offer! - Save 15% on Pro Membership Plan with discount code LRN15
Log In »Purchase »
Feb 09, 2018 | By Edvard Csanyi
The Essentials Of Numerical Relays, Their Features And Important Considerations
The distinction between digital and numerical relays is particular to Protection. Numerical relays are natural developments of digital relays due to advances in technology. They use one or more digital… Read more
Feb 07, 2018 | By Edvard Csanyi
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…...
Premium Membership Required
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.
Limited time offer! - Save 15% on Pro Membership Plan with discount code LRN15
Log In »Purchase »
Feb 02, 2018 | By Edvard Csanyi
Substation Event Monitoring Based On IEC 61850 and IEEE 1588 standards
In general, high voltage power network can be further categorized as distribution network or transmission network. The distribution network are normally considered to be operated between 415 V and 100… Read more
Jan 31, 2018 | By Edvard Csanyi
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
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
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
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
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
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)…....
Premium Membership Required
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.
Limited time offer! - Save 15% on Pro Membership Plan with discount code LRN15
Log In »Purchase »
Jan 05, 2018 | By Edvard Csanyi
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… Read more
Dec 26, 2017 | By Edvard Csanyi
This Is Why HVDC Transmission System Beats HVAC In These Essential Applications
For the most part, electric power is transmitted worldwide by means of ac. However, there are certain applications where dc transmission offers distinct economic and/or performance advantages. These applications include… Read more
Dec 21, 2017 | By Edvard Csanyi
Contactor As An Important Part Of The Motor Control Gear
Motor control gear and associated circuitry are fundamental parts of electrical distribution and utilisation systems. Motor control gear in its simplest form may be a direct on-line starter consisting of… Read more
Dec 15, 2017 | By Edvard Csanyi