Protection
Communications in power system protection (medias, protocols and network topologies)
A communication system consists of a transmitter, a receiver and communication channels. Type of medias and network topologies in communications provide different opportunities to advance the speed, security, dependability, and sensitivity of protection relays. There are a several types of… Read more
Jun 04, 2018 | By Edvard Csanyi
Protection
What’s really important to achieve in transmission line protection relaying?
As you already know, the real purpose of transmission line protection is to detect faults or abnormal operating conditions and to initiate corrective action. Protective relays must be able to evaluate a lot of parameters to choose and establish right… Read more
May 21, 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
Cables
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Good to know: - Save 50% on all video courses with Enterprise plan.
Upgrade
High Voltage Cables In a Nutshell (Technology, Bonding, Installation and Service)
Differences between the electrical characteristics of overhead transmission lines and high voltage AC cables are fundamental and must be considered. This article gives a brief introduction to cable technology, with focus on the topics which must be considered when designing…...
Membership Upgrade Required
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.
Good to know: - Save 50% on all video courses with Enterprise plan.
Upgrade
Already a member? Log in here
May 04, 2018 | By Edvard Csanyi
Transformers
Where and Why Do We Use Phase-Shifting Transformers?
Because of the predominantly inductive character of the power system, an active power flow between source and load must be accomplished with a phase lag between the terminals. Phase-shifting transformers are a preferred tool to achieve this goal. Two principal… Read more
Apr 23, 2018 | By Edvard Csanyi
Power Substation
6 different types of relaying schemes to protect the EHV and UHV transmission lines
A substation can employ many relaying systems to protect the equipment associated with the station. The most important of these are: transmission and distribution lines emanating from the station, step-up and step-down transformers, station buses, breakers, shunt and series reactors… Read more
Apr 18, 2018 | By Edvard Csanyi
Power Substation
Reliability Or Unreliability Of Capacitor Banks, Failure Modes and Case Ruptures
Several problems contribute to the overall reliability or unreliability of capacitor banks. In a detailed analysis of Kansas City Power & Light’s automated capacitor banks, Goeckeler reported that blown fuses are the biggest problem, but several other problems exist. Their automation… Read more
Apr 16, 2018 | By Edvard Csanyi
Power Substation
Coordination problems in electrical networks that lead to nuisance CB tripping
There are a number of problems that commonly occur in industrial and commercial networks, and some of them are covered in the following paragraphs. Coordination malfunctioning is leading to nuisance tripping of circuit breakers and unwanted electrical effects. Let’s discover… Read more
Apr 11, 2018 | By Edvard Csanyi
Power Substation
HV Substation Equipment For Engineers In a Nutshell
Substations are locations where transmission lines are tied together. They fulfill a number of functions. One of them is that they allow power from different generating stations to be fed into the main transmission corridors. Power substations also provide a… Read more
Apr 09, 2018 | By Edvard Csanyi
Protection
Communication Channels As The Weakest Link In The System Protection Chain
Protection engineers have a variety of communication channels to use for relay protection. This is a field in itself, and is very important for a discussion of the protective systems. Historically and currently, channels generally have been the weakest link… Read more
Apr 04, 2018 | By Edvard Csanyi
Premium Content
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Good to know: - Save 50% on all video courses with Enterprise plan.
Upgrade
Hardware and software components of energy management systems (EMS) and SCADA
The complete Energy Management System (EMS) system along with SCADA and the front-end systems have been identified as one of the more complex systems deployed. The only system that could be considered to be more complex than the EMS is…...
Membership Upgrade Required
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.
Good to know: - Save 50% on all video courses with Enterprise plan.
Upgrade
Already a member? Log in here
Mar 23, 2018 | By Edvard Csanyi
Energy Generation
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Good to know: - Save 50% on all video courses with Enterprise plan.
Upgrade
Why does generator-current breaking differ from other switching devices in T&D systems
There are few switching situations that differ from the duties standardized for switching devices in transmission and distribution systems. One of these special situations are generator-current breaking. Generator circuit-breakers are breakers applied at a rated voltage matching the rated voltage…...
Membership Upgrade Required
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.
Good to know: - Save 50% on all video courses with Enterprise plan.
Upgrade
Already a member? Log in here
Mar 09, 2018 | By Edvard Csanyi
Protection
Achieving Relay Coordination and Selective Short Circuit Protection In Transmission Networks
The selected protection principle affects the operating speed of the protection, which has a significant impact on the harm caused by short circuits. The faster the protection operates, the smaller the resulting hazards, damage and the thermal stress will be…. Read more
Mar 05, 2018 | By Edvard Csanyi
Premium Content
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Good to know: - Save 50% on all video courses with Enterprise plan.
Upgrade
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…...
Membership Upgrade Required
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.
Good to know: - Save 50% on all video courses with Enterprise plan.
Upgrade
Already a member? Log in here
Feb 23, 2018 | By Edvard Csanyi
Transformers
Losses in the power transmission system and short, medium and long line model analysis
Like all other power system systems, no matter how carefully the system is designed, losses are present and must be modeled before an accurate representation of the system response can be calculated. Due to the size of the area that… Read more
Feb 21, 2018 | By Edvard Csanyi
