Power Substation
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Substation Safety and Switching Rules You MUST Follow
This technical article describes the safety rules the switching operator must comply with when undertaking switching, and providing access for others required to work on the electrical network. We’ll describe the critical matters relating to safe switching operations, it is…...
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Aug 25, 2025 | By Edvard Csanyi
Power Substation
Thumb Rules for Working in Switchyard and HV Areas
To be honest, working at switchyards and substations requires a thorough and true understanding of hazards and control measures before progressing to Power System Access. Only individuals with the proper authorization should operate within switchyards or high voltage zones. Engineers… Read more
Aug 18, 2025 | By Edvard Csanyi
Power Substation
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Checks for Successful Substation Factory Acceptance Testing
This technical article will go over various aspects of factory acceptance testing (FAT) for custom prefabricated power substation and its related electrical components (such as MV and LV switchgear, MV-LV Motor Control Centre (MCC), UPS systems, AC/DC auxuliary power supply…...
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Aug 11, 2025 | By Edvard Csanyi
Maintenance
Thermal conditions of electrical equipment and temperature monitoring
Loose connections or worn out contact surfaces are the root causes of electrical system conduction troubles. They cause a local temperature increase, which worsens the contact quality even further as the current increases. This causes thermal runaway, which damages the… Read more
May 05, 2025 | By Edvard Csanyi
Premium Content
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Four most important power transformer analyses
To be clear, nowadays, you can perform dozens of analyses on a transformer, and all of them are very important. However, it should not be that hard to separate a few of them, the most important ones. Let’s discuss insulation,…...
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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 31, 2025 | By Muhammad Kashif
Power Substation
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Alarms Coming From the Shunt Reactor You Must Never Ignore (and what should be done)
Nowadays, monitoring of transformers and shunt reactors is pretty much common. However, the difference is in the nuances. There are dozens of parameters that can be monitored and the the overall cost is not negligible at all. There are many…...
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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 24, 2025 | By Edvard Csanyi
High Voltage
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Execution of a Turnkey Substation Project: How not to step on the same rake again
Behind the successful execution of a turnkey substation project is always successful project management. Young engineers working on the execution of substation projects often repeat the same mistakes that often lead to unforeseen project costs. Generally speaking, management of turnkey…...
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Mar 03, 2025 | By Edvard Csanyi
Energy Generation
The issue of a proper phase sequence (CW or CCW) on electric motors and generators
Phase sequence or phase rotation is one of the most confusing concepts in the electrical engineering. It is often confused with motor rotation. For instance, one would say: “If it doesn’t turn the way you want it, just rewire two… Read more
Jan 06, 2025 | By Edvard Csanyi
Electrical Machines
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Maintenance Practices to be Followed for On-Site Generator Overhauling
This discussion will focus on the on-site overhauling of a gas-powered generator, detailing the essential procedures for its enhancement. It is a common practice for utilities to test electrical assets periodically after a certain interval of time mainly as part…...
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Dec 30, 2024 | By Umer Nasir
Maintenance
Bringing new life to an old Air-Insulated Substation (AIS)
An increasing number of substations globally are aging, while the construction of new ones is hindered by competitive limitations, rigorous environmental rules, and community acceptance issues. Simultaneously, the demand for electricity is consistently escalating, resulting in increased short circuit levels… Read more
Nov 07, 2024 | By Edvard Csanyi
Power Substation
Failures, Testing and Protections Associated with Field Winding of a Generator
Generator field winding is an integral part of the generator set which is responsible for generating the magnetic field that induces the stator emf when the rotor rotates. Regulation of current in this winding with the help of an AVR… Read more
Oct 30, 2024 | By Umer Nasir
Premium Content
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Electrical thumb rules for switching, isolating and earthing
It is essential that the electrical engineers, or operators who will be in charge of switching, isolating, and earthing operations of the switchgear have a good understanding of the rules that must be followed. In addition, it is of the…...
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Oct 21, 2024 | By Edvard Csanyi
Maintenance
Practical lesson in grounding and bonding of Gas-Insulated Switchgear (GIS)
With the exception of SF6-to-air bushings terminals, all active portions of gas-insulated switchgear (GIS) are contained within grounded enclosures, which means that they are not susceptible to inadvertent contact. This makes gas-insulated switchgear intrinsically safe. In addition, numerous grounding procedures… Read more
Oct 09, 2024 | By Edvard Csanyi
Maintenance
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Managing power transformers in service: The most important economic aspects
Utilities are under intense pressure to maximize the use of their current transformer asset base in order to keep rates down while yet providing excellent reliability. In order to achieve higher loading during both regular and emergency operations, long-standing loading…...
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Sep 16, 2024 | By Edvard Csanyi
Power Substation
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Dos and don’ts in site testing and commissioning distribution and transmission plants
The objective of the site inspection and test plan for testing and commissioning is to establish a comprehensive framework for conducting site testing and commissioning activities. It’s as simple as that! The site testing and commissioning of a transmission or…...
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Sep 02, 2024 | By Edvard Csanyi
