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Category 'Protection' - Technical Articles

“Protection” category refers to technical articles dedicated to relay protection of various power substation and transmission & distribution equipment, such as low- medium- and high-voltage switchgear, transformers, capacitor banks, cables, transmission lines, electric motors and generators, and so on. Great attention is paid on circuit breaker schematics, such as tripping, closing and blocking coil arrangements, etc.

Energy and Power

ATS Schematics and Logic Analysis for a Substation 415V AC Auxiliary Supply Panel

In modern electrical power systems, ensuring a reliable and continuous supply of electricity is critical, particularly in facilities where downtime can result in significant operational disruptions and financial losses. Low voltage automatic transfer schemes at substations play a vital role…...

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Jun 03, 2024 | By

ATS Schematics and Logic Analysis for a Substation 415V AC Auxiliary Supply Panel
Power Substation

Often wrongly interpreted: Terminals, isolating links and bars in wiring diagrams and schematics

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 can badly impact the testing and maintenance process, and sometimes, it…...

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May 20, 2024 | By

Often wrongly interpreted: Terminals, isolating links and bars in wiring diagrams and schematics
Energy and Power

Mastering Electrical Schematics: From Circuit Topology to Switching Classifications

This technical article aims to delve into various aspects of electrical schematics, symbol representation, and isolation methodologies, shedding light on fundamental concepts and practical applications within the field. From the intricacies of electrical connection and circuit topology to the symbolism…...

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May 06, 2024 | By

Mastering Electrical Schematics: From Circuit Topology to Switching Classifications
Power Substation

A must-have checklist for IEC 61850 communications in digital substations

This article aims to inform the reader of important considerations when designing an IEC 61850 based substation communication system. There is a brief background introduction to substation communications, to give the reader context for the implementation of IEC 61850 based…...

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Apr 22, 2024 | By

A must-have checklist for IEC 61850 communications in digital substations
Power Substation

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

Intricacies of a circuit breaker pole discrepancy and its implications in substation operation
Power Substation

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

Practical Design Rules for Protection System Engineers
Energy and Power

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

Circuit breaker schematics in a nutshell: Tripping, closing and blocking coil arrangements
Energy and Power

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

Mastering DC supply selection schemes for HV control and protection panels
Power Substation

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

A journey through components commonly found in control and protection schematics
Energy and Power

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

Want to learn to analyze electrical schematics? Great! But first, you must understand these.


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