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 LCC comprises a mimic diagram, switches, indicators, and annunciator interlocks,… 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. From understanding the choice between gang (three-pole) and independent (single-pole)…...
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Apr 08, 2024 | By Muhammad Kashif
Practical Design Rules for Protection System Engineers
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 a substation is very important because it watches over, protects,…...
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Apr 01, 2024 | By Edvard Csanyi
Circuit breaker schematics in a nutshell: Tripping, closing and blocking coil arrangements
This technical article embarks on a comprehensive exploration of various facets of circuit breaker technology, traversing from the fundamental principles of solenoid coils to the sophisticated mechanisms of SF6 density monitoring circuits. Delving into the intricacies of circuit breaker tripping…...
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Mar 25, 2024 | By Muhammad Kashif
Best Practices for CT and VT Selection
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, how to make the correct specification and most importantly, the… Read more
Mar 18, 2024 | By Edvard Csanyi
Mastering DC supply selection schemes for HV control and protection panels
In this article, we will explore various aspects related to DC supply selection schemes, the rationale behind their necessity, and the importance of redundancy and reliability in maintaining uninterrupted power to control and protection panels. Additionally, we will delve into…...
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Mar 11, 2024 | By Muhammad Kashif
Transformers in plant power distribution: The bigger picture
This technical article provides an overview of the various choices and assists electrical engineers in determining the criteria that should be included in the transformer specifications in order to meet the requirements of their particular application. A power plant often… Read more
Mar 04, 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 indicators. They should also provide digital outputs to open and… 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 the grand orchestration of electrical systems. These are extremely important…...
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Jan 29, 2024 | By Muhammad Kashif
Want to learn to analyze electrical schematics? Great! But first, you must understand these.
This technical article delves into a diverse array of switches and components that are fundamental to the operation and control of electrical systems. Starting with the basics like TURN, PULL, and PUSH switches, we navigate through the intricacies of latching…...
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Jan 15, 2024 | By Muhammad Kashif
Twelve ultimate mistakes when selecting circuit protection for low-voltage equipment
To be honest, a circuit breaker is fairly simple device. However, the process of specifying circuit protection is often complicated and unclear, leading many engineers to either include insufficient or excessive protection in their equipment designs. Insufficiently protected circuits expose… Read more
Jan 08, 2024 | By Edvard Csanyi
A roadmap for engineers seeking mastery in the language of electrical schematics
In the intricate landscape of electrical engineering, the ability to decipher and interpret schematic drawings is a skill that separates the adept from the novice. This technical article delves into the art of understanding schematics, unraveling the complexities through a…...
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Jan 03, 2024 | By Muhammad Kashif
Fundamental concepts of schematic drawings: Going deeper into analysis and design intricacies
Welcome to this comprehensive technical article that delves into the intricacies of electrical schematics, shedding light on crucial elements such as loops, wire connections, auxiliary contacts, MCBs, contactors, circuit breakers, isolators, earth switches, and terminal blocks. In the world of…...
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Dec 25, 2023 | By Muhammad Kashif
Modern practice for LV/MV substation and power distribution systems within buildings
In the present era, the presence of reliable and uninterrupted electricity is commonly assumed in the majority of nations. Nevertheless, in many nations, this is susceptible to frequent disruptions caused by a range of issues, including as insufficient supply, inefficient… Read more
Dec 18, 2023 | By Edvard Csanyi
Fundamental concepts of schematic drawings for true field engineers (hands on HV schemes)
Schematic drawings, also known as electrical or circuit diagrams, are essential tools for understanding and designing electrical circuits. Mastering schematic drawing is a fundamental skill for field engineers, allowing them to effectively troubleshoot, maintain, and modify electrical schemes. This technical…...
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Dec 11, 2023 | By Muhammad Kashif
