The Brain of a Gas-Insulated Switchgear (GIS): The Bay Local Control Cabinet (LCC)
A local control cabinet (LCC) is commonly installed at each bay location to house the wiring of the GIS bay circuits and connect it to the substation control room. The… Read more
Apr 15, 2024 | By Edvard Csanyi
Intricacies of a breaker pole discrepancy and its implications for substation operation
This article delves into the realm of pole discrepancy in high voltage circuit breakers, shedding light on its mechanisms, applications, and the pivotal role it plays in enhancing system reliability…....
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Apr 08, 2024 | By Muhammad Kashif
Practical guidelines for protection system engineering
Relay protection and the whole bunch of protection system engineering around the substation are quite interesting from the point of view of creativity. The Control and Protection System technology in…...
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Apr 01, 2024 | By Edvard Csanyi
What steps should be taken to avoid choosing the incorrect current and voltage transformers?
Electrical systems normally use current and voltage transformers for protection and measurement purposes. They represent the power system’s eyes and ears, and it’s essential to fully understand how they work,… Read more
Mar 18, 2024 | By Edvard Csanyi
Substation control and monitoring systems: The eyes and ears of every power system
To ensure the substation is run efficiently, a control and monitoring systems are needed. These systems should display the current status of all plant equipment, including alarms and secondary system… Read more
Feb 05, 2024 | By Edvard Csanyi
A journey through components commonly found in control and protection schematics
In this article, we embark on a journey through various components commonly found in various electrical diagrams, control and protection schematics, shedding light on their functions, symbols, and significance in…...
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Jan 29, 2024 | By Muhammad Kashif
Prepare yourself for successful inspection and testing of MV metal-clad switchgear
This article aims to provide a comprehensive analysis of the essential inspection and testing processes, emphasizing their importance in the effective functioning of medium-voltage switchgear. The inspection and testing standards…...
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Nov 13, 2023 | By Muhammad Kashif
Insulation tests on electric motors and generators: DC High Potential Testing (HiPot)
The objective of this technical article is to provide certain criteria and time intervals for conducting insulation tests on electric motors, generators and other electrical equipment. Testing is done to… Read more
Nov 06, 2023 | By Edvard Csanyi
Mastering Interlock Logic and Schemes for a Gas-Insulated Substation (132 kV GIS Example)
As we delve deeper into this article, we will explore the various types of interlocking mechanisms used for Gas-Insulated Substation (GIS), their applications in substations, power plants, and electrical installations,…...
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Oct 30, 2023 | By Muhammad Kashif
A comprehensive guide to voltage transformer (VT) circuit supervision techniques
Voltage transformer supervision, often referred to as VT fuse fail supervision relay, plays a pivotal role in safeguarding electrical systems. Its primary objective is to detect any potential failure within…...
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Oct 16, 2023 | By Muhammad Kashif
Mastering stability test of power transformer: Differential and Restricted Earth Fault (REF) protection
This technical article discusses the essentials of transformer differential protection and restricted earth fault protection schemes, contrasting the two and elaborating on why the latter is necessary. Furthermore, it reveals…...
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Sep 25, 2023 | By Muhammad Kashif
Field secrets and warnings in power transformer mechanical check and visual inspection
Let’s discuss the visual and mechanical inspection procedures for oil-filled power transformers. It’s important, very important to examine a variety of key checkpoints, both external and internal to transformers, all…...
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Sep 11, 2023 | By Muhammad Kashif
Never underestimate how important it is to choose the right CT size in fault detection and protection
In the realm of electrical power systems, current transformers (CTs) play a vital role in accurately measuring and monitoring current levels. Proper sizing of CTs is essential to ensure their…...
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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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Aug 14, 2023 | By Muhammad Kashif
A detailed checklist for the installation and commissioning of Gas-Insulated Substations (GIS)
Gas-insulated substations (GIS) are critical components of modern electrical power systems, providing efficient and compact solutions for the transmission and distribution of electricity. These substations utilize sulfur hexafluoride (SF6) gas…...
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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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Jul 17, 2023 | By Muhammad Kashif
Choosing between AIS and GIS substation design: Factors you MUST take into consideration
For the last sixty years, gas-insulated substation (GIS) has been used in applications related to substations all over the world, and this use of the technology is becoming an increasingly… Read more
Jul 10, 2023 | By Edvard Csanyi