EEPower

Latest Transmission & Distribution Technical Articles

Categories

The Hidden Costs of Outdated Power Plant Practices — And How to Fix Them Fast

The Hidden Costs of Outdated Power Plant Practices — And How to Fix Them Fast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


Smart Substations and Digitalization—Part 1

Smart Substations and Digitalization—Part 1

Digitalization replaces conventional substations with smart, standards-based systems to address modern grid demands through interoperability,…


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.


Substation Design and Layout Planning—Part 2: Safety and Thermal Controls

Substation Design and Layout Planning—Part 2: Safety and Thermal Controls

This article explains how a substation’s physical layout must integrate safety clearances, grounding, and thermal management.


Switching and Converter Substations

Switching and Converter Substations

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


Substation Design and Layout Planning—Part 1: Early Stage Decisions

Substation Design and Layout Planning—Part 1: Early Stage Decisions

In this new article series, we look at substation design and layout planning, starting here with early stage choices and physical layout.


Substation Components—Part 8: Grounding/Earthing Systems

Substation Components—Part 8: Grounding/Earthing Systems

As we wrap up this series, this article outlines the purpose of substation grounding, the IEE Std 80 design, and best-practice field testing.


Substation Components—Part 7: SCADA and Protection Integration

Substation Components—Part 7: SCADA and Protection Integration

Learn how modern substation integration merges protection and SCADA over digital networks and requires security and human-centered HMIs for grid…


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…


Substation Components—Part 4: Isolators

Substation Components—Part 4: Isolators

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


Substation Components—Part 3:  Circuit Breakers

Substation Components—Part 3:  Circuit Breakers

This article explores the crucial role of circuit breakers in substations, covering their fundamental functions, interruption processes, and the…


Substation Components—Part 2: Instrument Transformers

Substation Components—Part 2: Instrument Transformers

This article explores the essential role of instrument transformers (CTs and VTs) in substations, their construction, accuracy factors, and safety…


Substation Components—Part 1: Power Transformers

Substation Components—Part 1: Power Transformers

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


Building Coupled Thermal-Electrical Models for High Voltage Power Modules

Building Coupled Thermal-Electrical Models for High Voltage Power Modules

Learn how to model and manage heat in 4-6.5 kV IGBT and SiC modules using coupled electro-thermal simulations for accurate cooling and reliable…


Understanding the Role of Substations Along the Transmission Path

Understanding the Role of Substations Along the Transmission Path

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


High-Voltage Testing and Insulation Coordination—Part 5

High-Voltage Testing and Insulation Coordination—Part 5

In the final part of this article series, we examine key field testing and online monitoring techniques for high-voltage insulation systems.


High-Voltage Testing and Insulation Coordination—Part 4

High-Voltage Testing and Insulation Coordination—Part 4

In this article, learn methods for mitigating lightning- and switching-induced overvoltages in high-voltage networks through surge arresters,…