The basic protection schemes for 4 typical transformer types in power system
The degree of transformer protection provided depends to a great extent upon the size and functional importance of the unit. A further important factor is the economic aspect. The cost… Read more
May 13, 2019 | By Edvard Csanyi
Internal electrical systems within nuclear power plant stations (power sources)
Electrical systems within a nuclear power plant (NPP) deserve significant design considerations. The availability of on-site as well as off-site power plays a crucial role in nuclear power plant safety… Read more
Apr 29, 2019 | By Edvard Csanyi
Three good examples of the application of modern relays to transformer protection
This technical article provides three examples of the application of modern relays to transformer protection. As there are many modern protection relays nowadays that provide advanced software to simplify the… Read more
Apr 22, 2019 | By Edvard Csanyi
Learn to read and understand single line diagrams and wiring diagrams
Single line diagrams are used in common engineering practice as graphical representation of electrical switchboard or assembly containing more sections, i.e. cubicles. Basically, they are simplified and digest picture of…...
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Apr 12, 2019 | By Miodrag Kokotovic
Properly engineered and installed selective coordination between LV circuit breakers
It’s extremely important to work on selective coordination of circuit breakers in the design phase of a system. After switchboards, distribution panels, MCCs, lighting switchboards, etc. are installed, there typically… Read more
Apr 10, 2019 | By Edvard Csanyi
Minimizing failure impact in distribution systems by allowing faults to clear themselves
Distribution systems are basically insecure – failure of a major component always leads to customer interruptions. So, what can be done? Reliable distribution systems minimize this impact by allowing faults… Read more
Apr 08, 2019 | By Edvard Csanyi
Electrical design of healthcare facilities (essential system requirements)
Due to the critical nature of the care being provided at healthcare facilities and their increasing dependence on electrical equipment for preservation of life, they have special requirements for the… Read more
Apr 01, 2019 | By Edvard Csanyi
Practical steps in the design of a substation grounding
Grounding at power substations is extremely important. The grounding system provides the ground connection for the grounded neutral for transformers, reactors, and capacitors and also the discharge path for lightning…...
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.
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Mar 29, 2019 | By Edvard Csanyi
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 Csanyi
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…...
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.
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Mar 11, 2019 | By Edvard Csanyi
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 Csanyi
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 Csanyi
Protection of a transformer directly connected to a transmission line without switchgear
A transformer-feeder include a transformer directly connected to a transmission line circuit without the intermediation of a HV switchgear. The saving in HV switchgear so achieved is unfortunately lowered by… Read more
Jan 28, 2019 | By Edvard Csanyi
The basic understanding of an earthing protection system (diagram and definitions)
As you already know, protective conductors are the main part of every earthing protection system, but the complexity of the system will increase with the requirements of information technology, voltage… Read more
Jan 16, 2019 | By Edvard Csanyi
Sizing a MV generator circuit breaker (GCB) in terms of breaking capacity
The main function of a circuit breaker is to carry the rated current of the generator and break both the short-circuit current supplied by the generator and that supplied by… Read more
Jan 14, 2019 | By Edvard Csanyi