Inverter driven brake motor provides instantaneous brake engagement
04 August 2013
Carpanelli has introduced an inverter driven brake motor that features an electromagnetic spring-applied, failsafe brake whose engagement is directly activated by the inverter.
No separate power supply is needed, and no external signal is required as the brake is wired directly into the terminal box.
The brake on a traditional inverter driven brake motor is activated from an external power supply which introduces momentary delay. In contrast the new Carpanelli MAI brake motor provides increased braking accuracy and control, important qualities for applications involving lifting and lowering.
The MAI electromagnetic brake has specially designed windings enabling it to produce stable magnetic flux and variable frequency within a range of 5 – 145Hz with delta connected motors and three phase 400V inverters set at 87Hz. This allows direct connection to the motor, allowing both brake and motor to be powered by the inverter.
Different performance characteristics can be set to suit the application by changing inverter parameters.
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