Latest Operation Technical Articles

Learn about fault levels and short-circuit protection for medium-voltage distribution. We’ll examine current sources,…

Learn about fault levels and short-circuit protection for medium-voltage distribution. We’ll examine current sources, fault types, symmetrical…

Protective devices, such as reclosers and sectionalizers, along with automation, can quickly detect, isolate, and restore…

Protective devices, such as reclosers and sectionalizers, along with automation, can quickly detect, isolate, and restore service after faults.

Explore distribution topologies, from simple radial feeders to complex networks, and examine reliability metrics, common…

Explore distribution topologies, from simple radial feeders to complex networks, and examine reliability metrics, common causes of outages, and…

Learn how substation commissioning verifies design intent and system integration through FAT, SAT, cold…

Learn how substation commissioning verifies design intent and system integration through FAT, SAT, cold (pre-energization), and hot…

This article discusses trends in AI-assisted smart substations, including sensor density, autonomous and self-healing…

This article discusses trends in AI-assisted smart substations, including sensor density, autonomous and self-healing networks, and inverter-based…

This article focuses on practical implementation details for communications and data integration in smart substations and…

This article focuses on practical implementation details for communications and data integration in smart substations and reviews predictive…

In the final part of this series, we examine substation design practices for managing two critical issues: oil…

In the final part of this series, we examine substation design practices for managing two critical issues: oil containment and noise control.

In substations, the DC system is critical for protection, control, and SCADA during AC loss. Learn about the relevant…

In substations, the DC system is critical for protection, control, and SCADA during AC loss. Learn about the relevant IEEE standards, choosing the…

This article explains the role of substation isolators, covering their purpose in visible isolation and safe operating…

This article explains the role of substation isolators, covering their purpose in visible isolation and safe operating sequences with breakers and…

Here, in Part 2, we examine insulation coordination and Basic Insulation Level (BIL) in high-voltage systems for…

Here, in Part 2, we examine insulation coordination and Basic Insulation Level (BIL) in high-voltage systems for reliability against transient…

In this article, we explore high-voltage insulation coordination, focusing on the nature of overvoltages, standardized…

In this article, we explore high-voltage insulation coordination, focusing on the nature of overvoltages, standardized impulse and withstand…

Learn how to optimize and design a reliable insulation framework for an HVDC network, focusing on aspects like insulation…

Learn how to optimize and design a reliable insulation framework for an HVDC network, focusing on aspects like insulation clearance, voltage surge…

In this article, we will examine power transfer and angle stability. This is the final article in a 3-part series on long…

In this article, we will examine power transfer and angle stability. This is the final article in a 3-part series on long transmission line behavior.

This article series explores the modeling of short, medium, and long transmission lines for reliable simulation of power…

This article series explores the modeling of short, medium, and long transmission lines for reliable simulation of power flow, voltage behavior,…

In this article, learn about the role of Thyristor-Controlled Series Capacitors (TCSC) in enhancing power system…

In this article, learn about the role of Thyristor-Controlled Series Capacitors (TCSC) in enhancing power system performance through dynamic…

Learn how frequency impacts transmission line parameters—resistance, inductance, capacitance, conductance—due to…

Learn how frequency impacts transmission line parameters—resistance, inductance, capacitance, conductance—due to skin/proximity effects,…

Learn about distributed impedance and admittance parameters of transmission lines, their influence on voltage regulation,…

Learn about distributed impedance and admittance parameters of transmission lines, their influence on voltage regulation, power loss, and…

Learn how to address the screening effect in performance index-based security assessment in power systems.

Learn how to address the screening effect in performance index-based security assessment in power systems.