EEPower

Latest Generation Technical Articles

Categories

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…


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,…


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…


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…


Multiphysics Simulation and Simulation Apps in Power Electronics

Multiphysics Simulation and Simulation Apps in Power Electronics

Learn how multiphysics-based digital twins are increasingly used to capture interactions in electrification applications, enabling more accurate…


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.


Thermal Co-Design, Cooling Architecture Optimization, and Reliability Validation

Thermal Co-Design, Cooling Architecture Optimization, and Reliability Validation

Explore electro-thermal cooling design and reliability validation for high-voltage SiC and IGBT power modules.


Substation Components—Part 6: Station Batteries and DC Supply

Substation Components—Part 6: Station Batteries and DC Supply

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


Substation Components—Part 5: Busbar Configurations

Substation Components—Part 5: Busbar Configurations

Here, we provide an overview of common substation busbar configurations—Single Bus, Main and Transfer, Double Breaker/Double Bus, Ring Bus/Ring…


High-Voltage Testing and Insulation Coordination—Part 2

High-Voltage Testing and Insulation Coordination—Part 2

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


High-Voltage Testing and Insulation Coordination—Part 1

High-Voltage Testing and Insulation Coordination—Part 1

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


Power Transfer and Angle Stability in Long-Distance Power Transmission

Power Transfer and Angle Stability in Long-Distance Power Transmission

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.


An Introduction to Wave Propagation in Long-Distance Power Transmission

An Introduction to Wave Propagation in Long-Distance Power Transmission

In this article, we will examine wave propagation effects. This is the second article of a 3-part series on long transmission line behavior.


An Introduction to Surge Impedance in Long-Distance Power Transmission

An Introduction to Surge Impedance in Long-Distance Power Transmission

In this article, we will examine surge impedance loading and voltage profiles. This is the first article of a 3-part series on long transmission…


Modeling Medium and Long Transmission Lines for Power System Analysis

Modeling Medium and Long Transmission Lines for Power System Analysis

This second article in the series applies our knowledge about power system modeling to medium and long transmission lines.


Introduction to Transmission Line Modeling for Power System Analysis

Introduction to Transmission Line Modeling for Power System Analysis

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