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Alternators

An alternator is actually a machine that transforms mechanical energy into electric energy. It does this in the form of an electrical current. In essence, an AC electric generator could likewise be labeled an alternator. The word normally refers to a rotating, small device driven by automotive and other internal combustion engines. Alternators which are situated in power stations and are powered by steam turbines are actually known as turbo-alternators. The majority of these machines utilize a rotating magnetic field but at times linear alternators are also utilized.

If the magnetic field all-around a conductor changes, a current is generated inside the conductor and this is actually the way alternators produce their electricity. Normally the rotor, which is actually a rotating magnet, turns within a stationary set of conductors wound in coils situated on an iron core which is known as the stator. If the field cuts across the conductors, an induced electromagnetic field likewise called EMF is produced as the mechanical input causes the rotor to revolve. This rotating magnetic field produces an AC voltage in the stator windings. Usually, there are 3 sets of stator windings. These physically offset so that the rotating magnetic field produces 3 phase currents, displaced by one-third of a period with respect to each other.

"Brushless" alternators - these use brushes and slip rings with a rotor winding or a permanent magnet so as to induce a magnetic field of current. Brushlees AC generators are usually located in bigger devices such as industrial sized lifting equipment. A rotor magnetic field may be induced by a stationary field winding with moving poles in the rotor. Automotive alternators often make use of a rotor winding which allows control of the voltage generated by the alternator. This is done by changing the current in the rotor field winding. Permanent magnet machines avoid the loss because of the magnetizing current inside the rotor. These devices are restricted in size because of the price of the magnet material. The terminal voltage varies with the speed of the generator as the permanent magnet field is constant.

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Los Angeles Forklift Parts

  • Brakes
    A brake wherein the friction is supplied by a set of brake pads or brake shoes which press against a rotating drum unit known as a brake drum. There are several specific differences between brake drum types. A "brake drum" is normally the ...
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  • Carriage Rollers
    Carriage rollers are specifically designed bearings that are used on lift masts to be able to help them work within tough environmental conditions. Lift masts are often subjected to oscillations, shocks, vibrations and high dynamic and static ...
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  • Carriages and Carriage Parts
    There are actually 4 sizings of hook type fork carriages rated by the blade carriage lifting capability. Hook type tine carriages have been uniform. The carriage bar spacing for Class 1 is roughly thirteen inches and the Class 1 carriage is ...
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  • Control Valves
    The earliest automated control systems were being utilized more that two thousand years ago. In Alexandria Egypt, the ancient Ktesibios water clock constructed in the 3rd century is thought to be the very first feedback control equipment on ...
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  • Controllers
    Lift trucks are accessible in many different models which have different load capacities. Nearly all average lift trucks used inside warehouse settings have load capacities of one to five tons. Larger scale models are utilized for heavier loads, ...
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  • Differentials
    A differential is a mechanical device that could transmit torque and rotation through three shafts, frequently but not all the time employing gears. It often operates in two ways; in vehicles, it provides two outputs and receives one input. The ...
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  • Drive Axles
    The piece of equipment which is elastically fastened to the framework of the vehicle using a lift mast is called the forklift drive axle. The lift mast connects to the drive axle and could be inclined, by no less than one tilting cylinder, around ...
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  • Drive Motors
    MCC's or Motor Control Centersare an assembly of one or more sections which contain a common power bus. These have been utilized in the vehicle industry since the 1950's, since they were made use of a large number of electric motors. Nowadays, ...
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