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
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
Industrial Automation
How Sensors and Actuators Work Behind RTUs and SCADA Systems
RTUs (remote terminal units) are now made from small computers. Shortly after this began, controller algorithms were programmed into the RTU. Flow totalizers, power factor calculators, and logic solvers soon followed. Any function that can be described by a mathematical… Read more
Apr 02, 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
Medium Voltage
Design and Installation of Medium Voltage Switchgear (Facts You MUST Know)
When specifying and planning medium voltage switchgear for a substation, functions and influencing factors must be matched and an economically efficient solution must be found among the offerings of manufacturers. For this there is no simple recipe with an unambiguous… Read more
Mar 26, 2018 | By Edvard Csanyi
Premium Content
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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…...
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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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Mar 23, 2018 | By Edvard Csanyi
Low Voltage
Good Practice Rules For In-Process Inspection Of Low Voltage Switchboard
The purpose of in-process inspection is to ensure product conformity after each manufacturing operation. This process concerns all the manufacturing operations done by the workshop operators. Inspection during the manufacturing stage could be described by the following process: Inspection during… Read more
Mar 21, 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
Power Substation
Understanding Substation Single Line Diagrams and IEC 61850 Process Bus (Depicting Relay Circuits)
The single line diagram (SLD) is the most basic of the set of diagrams that are used to document the electrical functionality of the substation. Its emphasis is on communicating the functions of the power equipment and the associated protection… Read more
Mar 14, 2018 | By Edvard Csanyi
Power Substation
Reading and Understanding AC and DC Schematics In Protection And Control Relaying
This technical article explains the AC/DC schematic representation of the protection and control systems used on power networks. This includes AC schematics and DC schematics and diagrams that prominently feature relaying. There are other equally important types of drawings that… Read more
Mar 12, 2018 | By Edvard Csanyi
Energy Generation
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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.
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Mar 09, 2018 | By Edvard Csanyi
Energy and Power
Have you experienced an incorrectly specified CT that can’t be manufactured?
When a CT manufacturer says that he is unable to manufacture the requested CT, nine times out of ten this is because the CT has been incorrectly specified. To eliminate all the cumulated safety margins taken by all the people involved,… Read more
Mar 07, 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
Energy and Power
Step-by-step tutorial for building capacitor bank and reactive power compensation panel
Design of reactive power compensation panel is much different and not that simple like standard distribution panel. When dealing with such panels, there are dozen of parameters to specify and other things to take care of. This article is the… Read more
Feb 28, 2018 | By Edvard Csanyi
Energy and Power
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 isolate the electricity supply from a fault situation. Second important… Read more
Feb 26, 2018 | By Edvard Csanyi
