Ac type electromagnetic device

Details Ac type electromagnetic device Ac type electromagnetic device

H - Electricity

01

F

318/1, 310/55

H01F 7/18 (2006.01) H01H 50/16 (2006.01)

Patent

CA 1111902

Abstract of the Disclosure AC type electromagnetic device with simplified electromagnetic exciting coil circuit is provided. The coil for electromagnetically driving an armature comprises a first coil of a relatively larger winding number and excited during every half cycle of AC source current and a second coil of a relatively smaller winding number and wound in reverse direction to that of the first coil, so that the armature will be driven by a composite magnetic flux of both fluxes occurring every half cycles due to the first and second coils. For said excitation of the first coil, a single diode is connected in-series with the first coil with the second coil connected in parallel therewith, or in parallel with the first coil with the second coil connected in series therewith.

291535

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