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  2. Magnetic starter - Wikipedia

    en.wikipedia.org/wiki/Magnetic_starter

    A magnetic starter has a contactor and an overload relay, which will open the control voltage to the starter coil if it detects an overload on a motor. [1] [2] The overload relay opens a set of contacts that are wired in series with the supply to the contactor feeding the motor. The characteristics of the heaters can be matched to the motor so ...

  3. NEMA size - Wikipedia

    en.wikipedia.org/wiki/NEMA_size

    NEMA (National Electrical Manufacturers Association) contactors and motor starters are rated by sizes. These sizes are grouped by rated current and power. [1] [2]

  4. Shading coil - Wikipedia

    en.wikipedia.org/wiki/Shading_coil

    This induced current creates an auxiliary magnetic flux which is 90 degrees out of phase from the magnetic flux created by the primary coil. [ 1 ] Frager spire or shading coil's purpose is to provide sizeable phase-shifted magnetic field (in blue) to keep the contactor on when the main coil flux (in red) passes through zero, avoiding unwanted ...

  5. Motor soft starter - Wikipedia

    en.wikipedia.org/wiki/Motor_soft_starter

    A motor soft starter is a device used with AC electrical motors to temporarily reduce the load and torque in the powertrain and electric current surge of the motor during start-up. This reduces the mechanical stress on the motor and shaft, as well as the electrodynamic stresses on the attached power cables and electrical distribution network ...

  6. Ignition magneto - Wikipedia

    en.wikipedia.org/wiki/Ignition_magneto

    This process is repeated continuously, creating a "shower of sparks." (Right) Booster coil components. The booster coil is separate from the magneto and can generate a series of sparks on its own. Current flow through the primary coil sets up a magnetic field about the coil that attracts the movable contact point, breaking circuit is broken.

  7. Permanent magnet motor - Wikipedia

    en.wikipedia.org/wiki/Permanent_magnet_motor

    Alnico is a NRE permanent magnetic material used in permanent magnet motor applications such as magnetic speed and flow sensors, electric generators, and consumer goods. These magnets exhibit weaker performance in comparison to NdFeB and SmCo counterparts but still maintain high coercivity and are far cheaper due to their lack of rare earth metals.

  8. Piezo ignition - Wikipedia

    en.wikipedia.org/wiki/Piezo_ignition

    A piezo igniter element from a typical lighter. Piezo ignition is a type of ignition that is used in portable camping stoves, gas grills and some lighters. [1] Piezo ignition uses the principle of piezoelectricity, which is the electric charge that accumulates in some materials in response to mechanical deformation.

  9. Camping chair - Wikipedia

    en.wikipedia.org/wiki/Camping_chair

    An animation gif of a typical camping chair. A camping chair, or camp chair, is a lightweight folding chair with a canvas seat and backrest, which is suitable for use in temporary quarters, typically outdoor setting like camping on holiday, by being portable and easy to set up. [1] [2] A camping stool is similar to a camping chair, but lacks ...

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