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  2. Single-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Single-phase_electric_power

    Single-phase motors may have taps to allow their use on either 208-volt or 240-volt supply. A single-phase load may be powered directly from a three-phase distribution transformer in two ways: by connection between one phase and neutral or by connection between two phases. These two give different voltages from a given supply.

  3. Universal motor - Wikipedia

    en.wikipedia.org/wiki/Universal_motor

    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 where the stator's field coils are connected in series with the rotor windings through a commutator. It is often referred to as an AC series ...

  4. AC motor - Wikipedia

    en.wikipedia.org/wiki/AC_motor

    A capacitor start motor is a split-phase induction motor with a starting motor capacitor inserted in series with the startup winding, creating an LC circuit which produces a greater phase shift (and so, a much greater starting torque) than both split-phase and shaded pole motors. This motor has a centrifugal switch which disconnects the ...

  5. Induction motor - Wikipedia

    en.wikipedia.org/wiki/Induction_motor

    There are three basic types of small induction motors: split-phase single-phase, shaded-pole single-phase, and polyphase. In two-pole single-phase motors, the torque goes to zero at 100% slip (zero speed), so these require alterations to the stator such as shaded-poles to provide starting torque. A single phase induction motor requires separate ...

  6. Electric motor - Wikipedia

    en.wikipedia.org/wiki/Electric_motor

    Universal motor: High starting torque, compact, high speed. Maintenance (brushes) Shorter lifespan Usually acoustically noisy Only small ratings are economical Handheld power tools, blenders, vacuum cleaners, insulation blowers Variable single-phase AC, half-wave or full-wave phase-angle control with triac(s); closed-loop control optional. [88]

  7. IEC 60309 - Wikipedia

    en.wikipedia.org/wiki/IEC_60309

    This allows one to choose single-phase AC power at either 110–120 volts between phase and neutral or 220–240 volts between phase and phase. Since these two modes do not need three phases there is also a dark yellow-orange four-pin connector available designed for a single-phase 110–120 or 220–240 volt load.

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