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Distribution Transformers and Voltage Regulation—Part 2: Step-Down Transformers

Distribution Transformers and Voltage Regulation—Part 2: Step-Down Transformers

Distribution transformers shape network voltage and fault behavior. Learn how winding configurations, vector groups, and grounding methods impact…


More Power, More Tokens: How SSTs Are Reshaping Data Center Infrastructure

More Power, More Tokens: How SSTs Are Reshaping Data Center Infrastructure

The transition from AC distribution to the 800 V DC architecture is reshaping the data center power infrastructure, boosting token generation and…


When the Grid Becomes Software

When the Grid Becomes Software

How utilities can avoid the telecom industry’s historical virtualization mistakes to successfully build a software-orchestrated, resilient energy…


Distribution Transformers and Voltage Regulation—Part 1: Introduction

Distribution Transformers and Voltage Regulation—Part 1: Introduction

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


Primary Distribution Systems—Part 5: Planning for Today’s Grid

Primary Distribution Systems—Part 5: Planning for Today’s Grid

This article connects primary distribution to feeder upgrades (FLISR, right-sizing, DER/DCFC siting) for safety, quality, and restoration.


Primary Distribution Systems—Part 4: Fault Levels and Short Circuits

Primary Distribution Systems—Part 4: Fault Levels and Short Circuits

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


NERC Warns AI Data Centers Threaten Grid Reliability

NERC Warns AI Data Centers Threaten Grid Reliability

North America’s grid watchdog has issued a Level 3 alert—the most serious—over reliability risks posed by computational load.


News May 20, 2026 by Shannon Cuthrell
Primary Distribution Systems—Part 3: Overhead and Underground Choices

Primary Distribution Systems—Part 3: Overhead and Underground Choices

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


Primary Distribution Systems—Part 2: Protective Devices, Automation

Primary Distribution Systems—Part 2: Protective Devices, Automation

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


Primary Distribution Systems—Part 1: Design of Feeders and Laterals

Primary Distribution Systems—Part 1: Design of Feeders and Laterals

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


Analysis of Rad-Hard GaN Half-Bridge Power Stages for High-Rel Buck Converters

Analysis of Rad-Hard GaN Half-Bridge Power Stages for High-Rel Buck Converters

In this article, we analyze how monolithic GaN solutions and driver optimization maximize efficiency and power density in high-reliability space…


Distribution System Fundamentals—Part 2: Topologies and Reliability

Distribution System Fundamentals—Part 2: Topologies and Reliability

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


Briefs: Companies Partner for Grid Stability and Storage

Briefs: Companies Partner for Grid Stability and Storage

Sungrow, Frank Energy, Hitachi Energy, Samsung C&T, Rivian, Redwood Materials, Kraftwerke Oberhasli, and Voith have formed strategic partnerships.


News Apr 23, 2026 by Karen Hanson
Powering the Energy Transition: Why Transformer Insulation and Sealing Matter

Powering the Energy Transition: Why Transformer Insulation and Sealing Matter

Learn the engineering challenges of ensuring transformer resilience and managing the shift to new ester and silicone oils with advanced, PFAS-free…


Distribution System Fundamentals—Part 1: Networks

Distribution System Fundamentals—Part 1: Networks

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


Substation Commissioning and Testing—Part 4: SCADA and Comms Systems

Substation Commissioning and Testing—Part 4: SCADA and Comms Systems

Learn how modern substation commissioning extends beyond plant checks to verify SCADA, comms, cybersecurity, and data integrity for safe operation…


Substation Commissioning and Testing—Part 3: Field Testing

Substation Commissioning and Testing—Part 3: Field Testing

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


Rearchitecting Data Center Power for AI with Solid-State Transformers

Rearchitecting Data Center Power for AI with Solid-State Transformers

As AI workloads push data centers into megawatt-scale per rack density, conventional low-voltage power architectures are reaching architectural…


Choosing Between Gas-Insulated and Air-Insulated Substations

Choosing Between Gas-Insulated and Air-Insulated Substations

This article compares gas-insulated (GIS) and air-insulated substations (AIS), outlining their design principles, performance characteristics, and…


Briefs: Solid-State Batteries and Infrastructure Upgrades

Briefs: Solid-State Batteries and Infrastructure Upgrades

Donut Lab and ION Storage Systems are advancing their solid-state battery technologies, and the U.S. Department of Energy and PPL Electric…


News Mar 19, 2026 by Karen Hanson