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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...
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Substation control and monitoring systems: The eyes and ears of every power...
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...
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What steps should be taken to avoid choosing the incorrect current and...
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...
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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...
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Intricacies of a breaker pole discrepancy and its implications for substation...
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...
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The Brain of a Gas-Insulated Switchgear (GIS): The Bay Local Control Cabinet...
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 The post The Brain...
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Often wrongly interpreted: Terminals, isolating links and bars in wiring...
Terminals and other connecting elements, such as CT/VT shorting and isolating links, test blocks, and earthlings, often need to be better understood in analysing wiring diagrams and schematics. This...
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Standard Operating Procedures (SOPs) for GIS Substations You MUST Fully Respect
This technical article delves into the necessity of Standard Operating Procedures (SOPs) at GIS substations, emphasizing the importance of meticulous documentation, regular review, and formal approval...
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How to: Isolation, maintenance, and restoration of a 132kV GIS Transformer...
This article aims to provide a comprehensive guide to the standard operating procedures (SOPs) for the isolation, maintenance, and restoration of a 132kV GIS Transformer Bay and Line Bay. It... Read...
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The Challenging Job of an Electrical Commissioning Engineer (Activities and...
This article aims to cover the activity of electrical commissioning. Such a task in its entirety would be immense. Commissioning can mean many things in different instances. This article aims... Read...
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Mechanical Check, Visual Inspection and Electrical Test of the Substation...
Substation earthing, or grounding, is essential for electrical safety and reliability in substations, which are critical nodes in the power distribution network. Proper earthing ensures safe...
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Mechanical Check, Visual Inspection and Electrical Test of the Substation...
At the beginning of my career in 2005, I had the opportunity to work at a 500kV substation with the National Transmission and Dispatch Company in Pakistan. During this time,... Read more The post...
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Dos and don’ts in site testing and commissioning distribution and...
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...
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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... Read more...
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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...
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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... Read more...
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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... Read more...
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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....
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