Power Supply, Auxiliary And Ground Connections; Examples Of Connection Diagrams - WEG Ex d Manual De Instalación, Operación Y Mantenimiento

2.3 POWER SUPPLY, AUXILIARY AND GROUND CONNECTIONS

2.3.1 EXAMPLE OF DIAGRAM CONNECTIONS
All connections must be made according to the diagram connection shown on the motor nameplate.
Star and delta connections for single speed motors:
Number of poles: 2, 4, 6, 8 .....
Synchronous speed: 50 Hz: 3000 rpm, 1500 rpm, 1000 rpm, 750 rpm ...
60 Hz: 3600 rpm, 1800 rpm, 1200 rpm, 900 rpm ...
Connections for two speed motors with two separate winding:
Number of poles: 6/2, 8/2, 6/4, 8/6
Synchronous speed: 50 Hz: 1000/3000 rpm, 750/3000 rpm, 1000/1500 rpm, 750/1000 rpm
60 Hz: 1200/3600 rpm, 900/3600 rpm, 1200/1800 rpm, 900/1200 rpm
Dahlander connections for two speed constant torque motors:
Number of poles: 2/4, 4/8
Synchronous speed: 50 Hz: 3000/1500 rpm, 1500/750 rpm
60 Hz: 3600/1800 rpm, 1800/900 rpm
Dahlander connections for two speed variable torque motors:
Number of poles: 2/4, 4/8
Synchronous speed: 50 Hz: 3000/1500 rpm, 1500/750 rpm
60 Hz: 3600/1800 rpm, 1800/900 rpm
6 | INDUCTION MOTORS FOR HAZARDOUS AREAS - English -