What is Transient Recovery Voltage (TRV)? Formula, Causes, Effects, Standards, and Solutions
When a circuit breaker opens to interrupt a fault current in a power system, the voltage across the breaker contacts […]
Protective Devices
February 2026
Testing and Commissioning
What is the Dielectric Absorption Index and Polarization Index Test? Step by Step Procedure, Formulas & Examples
When working with electrical machines and equipment, testing the condition of insulation is one of the most important tasks an
Basics
Ohm’s Law: Formula, Triangle, Series & Parallel Circuits, Example Calculations, Ohmic & Non-Ohmic Materials & Applications
Ohm’s Law is one of the first and most important concepts that every electrical engineering student must learn. This simple
Basics
Electric Charge & Current: Definition, Working, Types, Applications, Drift Velocity & Ohms Law
Electric charge and electric current are the two of the most fundamental quantities in electrical engineering and applied physics. Without