What is Alternating Current?

Definition

Electric current that periodically reverses direction, typically at 50 Hz or 60 Hz depending on the region. Alternating current is the standard form of power distribution for industrial motors and equipment.

Related Terms

Direct Current

Electric current that flows continuously in one direction, as supplied by batter...

Three-Phase

An AC power system using three voltage waveforms displaced by 120 degrees, provi...

Frequency

The number of complete AC cycles per second, measured in Hertz. AC drives contro...

Browse all General terms (92)

Previous in GeneralAllen Bradley Next in GeneralAmbient Temperature

Need help with Alternating Current?

Our engineers have 32+ years of experience diagnosing and repairing industrial electronics equipment. Get expert support for your alternating current issues.

Contact Our Experts Send a Repair Job

Back to Full Glossary502 terms across all categories