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Category 'Premium Content' - Technical Articles

Technical articles in the “Premium Contents” category are fully accessible to Premium Members only. Electrical engineering guides, specialist technical articles, and papers authored by experienced electrical engineers are all available to premium users. As an electrical engineer working in the Low-, Medium-, or High-Voltage fields, it will help you develop the professional technical skills you’ll need on the job.

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Power Substation

Technical Documentation for a Turnkey Substation

A Turnkey Substation is a substation that is designed, constructed, and commissioned by a Service Provider according to the specifications established by the Customer. A Service Provider is an entity (business) that provides services to other entities (companies). The Customer,…...

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Feb 17, 2025 | By

Technical Documentation for a Turnkey Substation
Power Substation

Interlocking for 380kV GIS Substation: Insights into CB and isolator test and service positions

Interlocking systems are critical to the safe and efficient operation of high-voltage substations, ensuring proper sequencing of equipment operations and preventing dangerous scenarios such as simultaneous energization or grounding. This technical article delves into the intricacies of the 380kV interlocking…...

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Feb 03, 2025 | By

Interlocking for 380kV GIS Substation: Insights into CB and isolator test and service positions
Energy and Power

Design of Emergency Diesel Generator Control Circuit Logic for Integration with the Utilities

Many utilities have diesel generators added to their energy mix to act as an emergency back-up source when a power shutdown occurs. These emergency generators cannot thwart the entire system from going down but are critical for safe shutdown of…...

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Jan 27, 2025 | By

Design of Emergency Diesel Generator Control Circuit Logic for Integration with the Utilities
Power Substation

Interlocking for 380kV GIS Substation: One-and-a-half breaker scheme analysis

This article delves into various aspects of the one-and-a-half breaker scheme applied to 380kV GIS switchgear, starting with its benefits and operational framework. It further examines the critical interlocking concepts, including open and closed positions, the “under operation” state (dangerous…...

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Jan 13, 2025 | By

Interlocking for 380kV GIS Substation: One-and-a-half breaker scheme analysis
Electrical Machines

Maintenance Practices to be Followed for On-Site Generator Overhauling

This discussion will focus on the on-site overhauling of a gas-powered generator, detailing the essential procedures for its enhancement. It is a common practice for utilities to test electrical assets periodically after a certain interval of time mainly as part…...

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Dec 30, 2024 | By

Maintenance Practices to be Followed for On-Site Generator Overhauling
Power Substation

What is Interlocking in substations, and what is it for?

Interlocking in substations is a critical aspect of power system protection and control, designed to ensure the safe and efficient operation of substation equipment. The primary objective of interlocking is to prevent hazardous situations, such as energizing an earthed circuit…...

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Dec 16, 2024 | By

What is Interlocking in substations, and what is it for?
Energy and Power

Voltage transformer selection scheme in complex substations

In substations, voltage transformers (VTs) are used extensively for energy metering, protection relay operations, and synchronization checks. Their design includes multiple cores, each dedicated to specific functions. For instance, a protection core, typically labeled 3P, offers acceptable accuracy for fault…...

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Dec 02, 2024 | By

Voltage transformer selection scheme in complex substations
Power Substation

Synchro Check Schemes: Key Techniques and Considerations for Power System Stability

In power systems, synchronization is a fundamental requirement for connecting two sources of electric power, such as a generator to a grid or between segments of the power network. Ensuring that these sources are aligned in frequency, phase sequence, and…...

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Nov 18, 2024 | By

Synchro Check Schemes: Key Techniques and Considerations for Power System Stability
Power Substation

Best Practices in Synchronization and Reactive Power Control in Power System

In the world of power systems, synchronization and reactive power control are crucial to maintaining stability, efficiency, and reliability. Synchronizing various power sources, such as generators and grids, ensures they operate in harmony to meet the demand and support the…...

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Nov 11, 2024 | By

Best Practices in Synchronization and Reactive Power Control in Power System
Energy and Power

Grid Application & Technical Considerations for Battery Energy Storage Systems

In the quest for a resilient and efficient power grid, Battery Energy Storage Systems (BESS) have emerged as a transformative solution. This technical article explores the diverse applications of BESS within the grid, highlighting the critical technical considerations that enable…...

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Oct 28, 2024 | By

Grid Application & Technical Considerations for Battery Energy Storage Systems
Premium Content

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 that must be followed. In addition, it is of the…...

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Oct 21, 2024 | By

Electrical thumb rules for switching, isolating and earthing
Premium Content

So automated, yet so hackable. Is your country’s power grid safe from cyberattacks?

Yes, many of today’s power grids are very sophisticated and automated. Every single event and piece of equipment is tracked, controlled, measured, and protected. But things aren’t as bright as it seems. As we can see, it turns out that…...

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Oct 14, 2024 | By

So automated, yet so hackable. Is your country's power grid safe from cyberattacks?
Premium Content

Is storing excess energy in batteries worth integrating into the power system?

To be honest, the technology of energy storage in batteries is pretty hot nowadays. It’s smart for utilities worldwide to get in line to learn what it is and how countries can benefit from it. Battery Energy Storage Systems (BESS)…...

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Oct 07, 2024 | By

Is storing excess energy in batteries worth integrating into the power system?
Power Substation

Mastering Distance Protection and Calculations: Never Mess Up Protection Accuracy

The first part of this article series delved into the fundamentals of overcurrent protection, exploring the intricacies of relay coordination, the impact of source impedance, and the application of distance protection. These foundational concepts laid the groundwork for understanding how…...

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Sep 23, 2024 | By

Mastering Distance Protection and Calculations Part 2: Arc Resistance, Impedances and CTs/VTs
Maintenance

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 higher loading during both regular and emergency operations, long-standing loading…...

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Sep 16, 2024 | By

The most economic aspects of managing transformers that are in service


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