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Technical Articles

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
Electric Motor

The analysis of relay control systems: Electrical schematics with latch, step and lockout relays

To be honest, expertise in relay systems is fundamental for comprehension and creativity in circuits design. From bi-stable relays that maintain their states without continuous power to step relays facilitating incremental changes, and lockout relays guarding against unauthorized reenergization, each…...

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Feb 26, 2024 | By

The analysis of relay control systems: Electrical schematics with latch, step and lockout relays
Electric Motor

Mastering schematic drawings: Analyzing seal-in contacts in motor control circuits

In the domain of electrical engineering, seal-in contacts stand as pivotal components in control circuits, ensuring the sustained operation of electrical devices beyond the initial activation. These mechanisms play a critical role in maintaining the energized state of circuit elements,…...

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Feb 12, 2024 | By

Mastering schematic drawings: Analyzing seal-in contacts in motor control circuits
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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