What is uvw in compressor?

inverter ac ya fridge How check compressor winding UVW how many ohms resistance. Hi Team Can anybody explain the meaning of U V W Terminal in Inverter Compresor. i found these terms on the compressor terminal cover (U V W) beside. For things like drives, the convention is RST for supply, UVW for output to motor. i found these terms on the compressor terminal cover (U V W) beside. From the individual power phases (UVW) that are the compressor motor 4 are applied to the pulse width modulation (PWM) waveform part I ( 62 ) of the outdoor.