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  2. Ball bearing motor - Wikipedia

    en.wikipedia.org/wiki/Ball_bearing_motor

    A ball bearing motor is an unusual electric motor that consists of two ball-bearing-type bearings, with the inner races mounted on a common conductive shaft, and the outer races connected to a high current, low voltage power supply. An alternative construction fits the outer races inside a metal tube, while the inner races are mounted on a ...

  3. Electric motor - Wikipedia

    en.wikipedia.org/wiki/Electric_motor

    An industrial electric motor . An electric motor is a machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.

  4. DC motor - Wikipedia

    en.wikipedia.org/wiki/DC_motor

    Ball bearing motor – A ball bearing motor is an unusual electric motor that consists of two ball bearing-type bearings, with the inner races mounted on a common conductive shaft, and the outer races connected to a high current, low voltage power supply. An alternative construction fits the outer races inside a metal tube, while the inner ...

  5. Shaft voltage - Wikipedia

    en.wikipedia.org/wiki/Shaft_voltage

    Shaft voltage occurs in electric motors and generators due to leakage, induction, or capacitive coupling with the windings of the motor. It can occur in motors powered by variable-frequency drives, as often used in heating, ventilation, air conditioning and refrigeration systems. DC machines may have leakage current from the armature windings ...

  6. Universal motor - Wikipedia

    en.wikipedia.org/wiki/Universal_motor

    The large brown molded-plastic piece in the foreground supports the brush guides and brushes (both sides), as well as the front motor bearing. The universal motor is a type of electric motor that can operate on either AC or DC power and uses an electromagnet as its stator to create its magnetic field. [1] It is a commutated series-wound motor ...

  7. ABB Motors and Mechanical - Wikipedia

    en.wikipedia.org/wiki/ABB_Motors_and_Mechanical

    The company sells Baldor-Reliance and ABB branded industrial electric motors. Products are available in both IEC and NEMA configurations and range from fractional to 100,000 horsepower. The company also sells the Dodge brand of mechanical power transmission products, including mounted bearings, enclosed gearing, couplings, sheaves, and bushings.

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