EE Engineering
Methods to Reduce Step Potential and Touch Potential in Substations
Methods to Reduce Step Potential and Touch Potential in Substations
Step potential and touch potential are critical safety considerations in electrical substations. During a ground fault, fault current flows into…
Symmetrical vs. Unsymmetrical Faults: A Practical Guide for Power Engineers
Symmetrical vs. Unsymmetrical Faults: A Practical Guide for Power Engineers
When something goes wrong in a power system, it happens fast. Currents surge, voltages dip or become unbalanced, and equipment…
The Role of Synchronous Generators in Modern Power Systems: Enhancing Stability and Protection
The Role of Synchronous Generators in Modern Power Systems: Enhancing Stability and Protection
Synchronous generators remain the backbone of modern power systems, supplying reliable electricity to homes, industries, and cities worldwide. Whether installed…
Understanding the X/R Ratio and Its Importance in Short-Circuit Calculations
Understanding the X/R Ratio and Its Importance in Short-Circuit Calculations
For an electrical power system to remain safe and reliable, short circuits must be accurately analyzed and properly managed. One…
Low Voltage and Medium Voltage Fuses: Types, Applications, and Protection Strategies
Low Voltage and Medium Voltage Fuses: Types, Applications, and Protection Strategies
Fuses are among the most fundamental protective devices in electrical power systems. Acting as the first line of defense, they…
Causes, Impact, and Mitigation of Harmonics in Power Systems
Causes, Impact, and Mitigation of Harmonics in Power Systems
In an ideal power system, electricity flows in a smooth, sinusoidal waveform at a fundamental frequency—typically 50 Hz or 60…
Importance of Transient Stability Studies in Modern Power Systems
Importance of Transient Stability Studies in Modern Power Systems
Modern power systems operate in a highly dynamic environment where disturbances can occur at any moment. Among the most critical…
The Crucial Role of Transformers in Grid Efficiency and Stability
The Crucial Role of Transformers in Grid Efficiency and Stability
When you flip a switch, charge your phone, or power up industrial equipment, you’re tapping into one of the greatest…
Motor Protection Device Sizing — Practical Calculation Guide
Motor Protection Device Sizing — Practical Calculation Guide
Correctly sizing protection and switching devices for an electric motor is essential for safety, reliability, and equipment life. In this…
Transformer Differential Relay Behavior When Zero-Sequence Filtration Is Disabled
Transformer Differential Relay Behavior When Zero-Sequence Filtration Is Disabled
In transformer differential protection, zero-sequence handling is not optional—it is fundamental. Disabling zero-sequence filtration directly affects relay stability and compromises…