An Amplidyne is a rotating amplifier. It is a prime-mover-driven d.c. generator whose output power can be controlled by a small field power input. An amplidyne is. The amplidyne generator is a power amplifier on a large scale. Its power output depends on the strength of its control-field current but is several thousand times. Amplidynes are special-purpose dc generators. They supply large dc.
|Country:||United Arab Emirates|
|Published (Last):||24 May 2007|
|PDF File Size:||16.62 Mb|
|ePub File Size:||10.2 Mb|
|Price:||Free* [*Free Regsitration Required]|
Member feedback about Servomotor: History of the tank Revolvy Brain revolvybrain. Identical synchros are used, but they are geared at Besides motors and generators, a third category often included is transformers, which although they do not have any moving parts are also energy converters, changing the voltage level of an alternating current.
Amplidyne | Revolvy
Electric motors Revolvy Brain revolvybrain bldfig harshal. The amplifier has two stages. This field may be adjusted to balance out FA and thus restore the full effect of the exciting field FC. A permanent magnet is an object made from a material that is magnetized and creates its own persistent magnetic field. The rotor with permanent magnets or electromagnets turns in step with the stator field at the same rate and as a result, provides the second synchronized rotating magnet field of any AC motor.
Member feedback about Universal motor: At null, the gun mount is in gun-order position. In the above case of the GE Amplidyne to Volt Motor Generator, the characteristics of the generator facilitate generating around 87 ampere of armature current at volts at the terminals for output; the values range accordingly for variations up to volts.
The GE Amplidyne 115 to 250 Volt Motor Generator
The induction motor or asynchronous motor always relies on a generayor differe Free-body diagram of a U-channel synchronous linear motor. Member feedback about Electric generator: Specifically, the phase of the control transformer’s output in phase with the synchro power source, or opposite phase provided the polarity of the error signal.
The motor provides the power, turning the generator at a constant speed, and the signal to be amplified is applied to the generator’s field winding. Synchronous reluctance Variable reluctance Switched reluctance Variable gennerator stepping. Member feedback about Amplifier: Shading coils copper bars The shaded-pole motor is the original type of AC single-phase induction motor, dating back to at least as early as Full-load output has been obtained with only genrator excitation instead of In earlier times, Amplidynes were used for electric elevators and moving sidewalks, but as technology progressed, they found use in diesel-electric locomotive control systems, too.
An amplidyne is a special type of dc generator. The voltage at the output will be the same as in the original generator, volts in our example.
The degree of compensation C is defined as the ratio of effective compensating winding turns to the effective armature turns. Member feedback about Shaded-pole motor: Since both FA and FB depend on armature current, they will always be approximately balanced and the output voltage is nearly independent of the armature current.
A typical 3 phase linear induction motor. Used to remotely operate the control rods in early nuclear submarine designs S3G Triton. The inverter does not produce any power; the power is provided by the DC source. Because of the immense power amplification available in the amplidyne generator and amplifier, an extremely small error signal supplies enough power to control the mount.
Ggenerator top electromagnet 1 is turned on, attracting the nearest teeth of the gear-shaped iron rotor. Member feedback about Magnet: Materials that can be magnetized, which are also the ones that are strongly attracted to a magnet, are called ferromagnetic or ferrimagnetic. Switched reluctance motor topic The switched reluctance motor SRM is generatir type of stepper motor, an electric motor that runs by reluctance torque.
The Amplidyne (General Electric Company)
Characteristically, linear induction motors have a finite primary or secondary length, which generates end-effects, whereas a conventional induction motor is arranged in an endless loop. Member feedback about M heavy tank: Input and output Input voltage A typical power inverter device or circuit requires a relatively stable DC power source capable of supplying enough current for the intended power demands of the amplixyne.
AC motors Revolvy Generatir revolvybrain. Electronic engineering Revolvy Brain revolvybrain.
Unlike common DC motor types, power is delivered to windings in the stator case rather than the rotor.