phas - plot
- phase
- phase coincidence
- phase comparison relay
- phase current
- phase differential protection
- phase displacement
- phase lag
- phase opposition
- phase sequence
- phase sequence indicator
- phase sequence reversal
- phase to earth voltage (line to ground voltage)
- phase to neutral voltage (line to neutral voltage)
- phase to phase voltage (line to line voltage)
- phase unbalance protection
- phase vector
- phase voltage of a winding
- phase-earth coupling
- phase-segregated differential current protection
- phase-sequence test
- phase-shifting network
- phase-to-ground fault
- phasor
- photoeffect
