automatic-voltage-regulator-working

Automatic Voltage Regulator

The automatic voltage regulator regulates the voltage of generators, transformers, or feeders. When the electrical load draws current from the generator or a transformer, the … Read more

pin-insulator-explained

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

suspension-insulator-explained

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-conductor-explained

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

Oil Circuit Breaker

An oil circuit breaker uses oil as an insulating medium to extinguish electrical arcs. The breaker’s contacts are isolated within an insulating oil. The circuit … Read more

what-is-zero-sequence-current

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