An introduction to the symmetric, multiphase, wound-rotor “synchronous” doubly-fed motor or generator system, called SYNCHRO-SYM. How SYNCHRO-SYM is only possible with brushless, automatic, ...
German tier 1 supplier ZF has developed an electric motor which does not require magnets. The company says in contrast to the magnet-free concepts of so-called separately excited synchronous motors ...
I2SM does not require any brush elements or slip rings. ZF has developed a magnet-free electric motor disparate to Separately excited synchronous motors. The motor is compact with maximum power and ...
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