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The development of new magnetic materials in the last 10 years has led to an extensive range of brushless motors for the lower range of rotary speeds. On the other hand there is only a limited range of motors for higher speeds. This is precisely the preferred area of application for ATPOLE’s patented permanent magnet hybrid motors, also known as asynchronous motors (ASM) with permanent magnets.
Our engineers have combined permanent magnets with an asynchronous cage, thus developing a synchronous motor which is suitable both for mains and frequency inverter use.
ATPOLE permanent magnet hybrid motors combine the best of two worlds. The motor accelerates up to a high rotary speed in asynchronous mode and then switches to synchronous operation, allowing significantly better utilizations, efficiency levels and outputs to be obtained compared with a reluctance motor (one with a rotor made from magnetically soft material).
ATPOLE recommends the use of these controlled motors where synchronous running is required and where it is possible to do without the full dynamics of servo drives. Groups of drives can also be operated synchronously with a collective inverter. This classic synchronous technology offers astounding advantages from speeds of approximately 50 rpm. Perhaps also for your application?