Latest Transformers Technical Articles

Learn how distribution transformers bridge medium-voltage feeders and end-use equipment, ensuring stable voltage through…

Learn how distribution transformers bridge medium-voltage feeders and end-use equipment, ensuring stable voltage through strategic placement,…

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…

Overhead vs. underground power distribution: Learn the cost, reliability, and design trade-offs for medium voltage power…

Overhead vs. underground power distribution: Learn the cost, reliability, and design trade-offs for medium voltage power systems across urban,…

This article discusses primary distribution system transport of medium-voltage power from substations via feeders to…

This article discusses primary distribution system transport of medium-voltage power from substations via feeders to local transformers to ensure…

This overview develops distribution’s role within the power system hierarchy, its functional objectives and…

This overview develops distribution’s role within the power system hierarchy, its functional objectives and constraints, and the common voltage…

Substation field testing ensures long-term reliability. It verifies instrument transformers , circuit breakers, and…

Substation field testing ensures long-term reliability. It verifies instrument transformers , circuit breakers, and protection relays against…

This article walks through pre‑commissioning inspections and electrical tests commonly used in utility and industrial…

This article walks through pre‑commissioning inspections and electrical tests commonly used in utility and industrial substations, translating…

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…

Building integrated and modern systems enable resilient, efficient, and safer operations that…

Building integrated and modern systems enable resilient, efficient, and safer operations that…

This article explores the various functions of switching and converter substations, including network reconfiguration,…

This article explores the various functions of switching and converter substations, including network reconfiguration, fault isolation, and AC/DC…

This article explores the role of power transformers in substations, highlighting their design, configurations, cooling…

This article explores the role of power transformers in substations, highlighting their design, configurations, cooling methods, tap-changing…

This article examines the functions of four different types of substations within the electrical grid: step-up,…

This article examines the functions of four different types of substations within the electrical grid: step-up, step-down, transmission, and…

Power factor correction (PFC) is needed for AC-DC power supplies with input power greater than 75 W. This article offers…

Power factor correction (PFC) is needed for AC-DC power supplies with input power greater than 75 W. This article offers an overview of the most…

In Part 1 we introduce solid-state isolators (SSIs) with coreless transformer tech, covering architecture, energy…

In Part 1 we introduce solid-state isolators (SSIs) with coreless transformer tech, covering architecture, energy transfer, built-in protection,…

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.

Learn how to conduct performance index-based security assessment in power systems and how the screening effect impacts…

Learn how to conduct performance index-based security assessment in power systems and how the screening effect impacts the accuracy of the assessment.

Learn how capacitance in high-voltage overhead transmission lines forms and is influenced by the earth, with derivations…

Learn how capacitance in high-voltage overhead transmission lines forms and is influenced by the earth, with derivations for single and three-phase…

This article explores how transient recovery voltage influences high-voltage circuit breaker performance and examines how…

This article explores how transient recovery voltage influences high-voltage circuit breaker performance and examines how circuit configurations…

Especially when renewable energies are used to supply the grid the use of power semiconductors becomes mandatory. One of…

Especially when renewable energies are used to supply the grid the use of power semiconductors becomes mandatory. One of the key questions in these…