Synchronous Speed of Three-Phase AC Motor

Synchronous speed of a three-phase AC motor:

speed

2p f p
50Hz 60Hz 100Hz 200Hz 400Hz
2 3000 3600 6000 12000 24000 1
4 1500 1800 3000 6000 12000 2
6 1000 1200 2000 4000 8000 3
8 750 900 1500 3000 6000 4
10 600 720 1200 2400 4800 5
12 500 600 1000 2000 4000 6