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Distribution Transformers and Voltage Regulation—Part 4: On- and Off-Load Tap Changers

Distribution Transformers and Voltage Regulation—Part 4: On- and Off-Load Tap Changers

In this article, we detail distribution transformer tap changers: fixed off-load (DETC) vs. dynamic on-load (OLTC) types, their operational roles,…


A Novel Current Sensing Technology Utilizing III-V Compound Hall Elements

A Novel Current Sensing Technology Utilizing III-V Compound Hall Elements

This article discusses a novel current-sensing technology to address the challenges of shunt resistors and isolated modulators used in applications…


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…


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 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…


Distribution System Fundamentals—Part 3: Emerging Trends

Distribution System Fundamentals—Part 3: Emerging Trends

This article provides analysis steps and implementation strategies for distributed energy resource behavior, transportation electrification, and…


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…


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…


AI Datacenter Grid-to-Core Power Architecture

AI Datacenter Grid-to-Core Power Architecture

Surging AI power needs dictate a new datacenter power architecture: shifting to 800 V DC distribution, using "SideCar" racks, and…


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…


High-Precision Digital Temperature Sensors Thanks to Wafer-Based Calibration

High-Precision Digital Temperature Sensors Thanks to Wafer-Based Calibration

Power electronics plays a crucial role in modern temperature sensor systems, enabling efficient signal conditioning, energy management, and data…


Substation Commissioning and Testing—Part 1: Scope and Workflow

Substation Commissioning and Testing—Part 1: Scope and Workflow

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


Resilient Battery Energy Storage for Renewable-Rich Grids

Resilient Battery Energy Storage for Renewable-Rich Grids

Because their generation fluctuates, Battery Energy Storage Systems (BESS) have become essential for grid stability. Grid-supporting BESS must…


Smart Substations and Digitalization—Part 5: Future Trends

Smart Substations and Digitalization—Part 5: Future Trends

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


0.2% High-Accuracy Open-Loop Hall Current Sensor With ASIL D Functional Safety

0.2% High-Accuracy Open-Loop Hall Current Sensor With ASIL D Functional Safety

This article focuses on comparing the performance of Innosense’s Dhips+ Hall current sensor before and after error compensation, elaborating on…


Smart Substations and Digitalization—Part 4: Data Analytics and ML

Smart Substations and Digitalization—Part 4: Data Analytics and ML

Learn how smart substations can leverage IEC 61850 and CIM for data flow. Advanced analytics and machine learning (ML) can turn high-res data into…


The Hidden Costs of Outdated Power Plant Practices — And How to Fix Them Fast

The Hidden Costs of Outdated Power Plant Practices — And How to Fix Them Fast

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


Smart Substations and Digitalization—Part 3: Comms and Data Integration

Smart Substations and Digitalization—Part 3: Comms and Data Integration

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


Smart Substations and Digitalization—Part 2: IoT Devices and Sensors

Smart Substations and Digitalization—Part 2: IoT Devices and Sensors

Learn how smart substations use synchronized IoT devices compliant with key standards for high-fidelity data, enabling real-time protection and…


Substation Design and Layout Planning—Part 3: Noise and Oil Control Issues

Substation Design and Layout Planning—Part 3: Noise and Oil Control Issues

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