What is an Electric ARC?- Arc in Circuit Breaker
Before discussing the arc quenching technology used in circuit breakers, it is essential to understand what an electric arc is. What is an Electric Arc? … Read more
Electrical
The difference between Offline and Online Partial Discharge (PD) Testing
In Australia’s evolving electrical landscape, the significance of both Offline and Online Partial Discharge Testing cannot be overstated. With the proliferation of high-voltage equipment across … Read more
Pin Insulator
The pin insulator is installed on a supporting tower’s cross arm and used to distribute power at voltages up to 33kV. The upper end of … Read more
Measuring Frequency with a Multimeter: Procedures and Common Problems
With the help of a multimeter, we can measure quantities such as frequency, voltage, current, capacitance, resistance, temperature, continuity, etc., and check electrical and electronic … Read more
Suspension Insulator
The suspension insulator consists of several porcelain insulator units connected by metal links to form a flexible string. The conductor is typically attached to the … Read more
Transposition of Conductors
Definition: The process of transposition involves physically rotating the conductors in a regular sequence. The transposition balances the mutual inductance and capacitance between the lines. The … Read more
What is an Oil Circuit Breaker?- Construction, Working, Types
Introduction An oil circuit breaker (OCB) is a type of circuit breaker that uses oil as an arc extinguishing medium. In electrical power systems, circuit … Read more
Zero Sequence Current
Definition: During an earth fault in an electrical circuit, an unbalanced current flows. This current is also referred to as the zero sequence current or … Read more
What is a Superposition Theorem?
The superposition theorem is used to analyze electric circuits containing multiple sources. This article describes the statement and steps involved and solved examples of the … Read more
Sulphur Hexafluoride(SF6) Circuit Breaker
A type of circuit breaker that uses pressurized SF6 gas to extinguish the arc is called an SF6 circuit breaker. SF6 gas has exceptional dielectric, … Read more