What is Phase?

Definition

One of the individual AC voltage waveforms in a power supply system, with industrial power typically using three phases. Phase balance, sequence, and integrity are critical for proper motor and drive operation.

Related Terms

Three-Phase

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

Single Phase

An AC power supply with one live conductor and one neutral, providing a single a...

Phase Sequence

The order in which the three phases of an AC supply reach their peak voltage val...

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