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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.

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In the next view, new brushes have been added to points 90 degrees from the amplkdyne brushes, and the original load of 1 ohm has been connected between them.

Amplidyne | Revolvy

The control system of the drive calculates the corresponding current component references from the flux and torque references given by the drive’s speed control. The following paragraphs explain how gain is achieved in a typical dc generator and how the modifications making the generator an amplidyne increase the gain to as high as 10, Fringe physics Revolvy Brain revolvybrain. It consists of an electric motor driving a DC generator.

Its rotation is due to the interaction between the windings and magnetic fields which produces a torque around the rotor’s axis.

What is an Amplidyne? – Circuit Globe

Ernst Alexanderson topic Ernst Frederick Werner Alexanderson January 25, — May 14, was a Swedish-American electrical engineer, who was a amplidynne in radio and television development. The inverter does not produce any power; the power is provided by the DC source. The terminal voltage of an Amplidyne is considered almost constant.


The output brushes are in line with the armature flux. A “horseshoe magnet” made of alnico, an iron alloy.

The GE Amplidyne 115 to 250 Volt Motor Generator

Brushes Amplidynee 3 and B4 on the horizontal axis make these voltages available at the load terminals. In a typical generator the load brushes are positioned perpendicular to the magnetic field flux.

Navy Manual, Chapter The complete circle represents the rotor. 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. Am;lidyne reversing the current direction in the rotating wind The armature’s role is twofold.

Electric machines were developed beginning in the mid 19th century and since that time have been a ubiquitous component of the infrastructure.

An electric generator is mechanically identical to an electric motor, but operates in the reverse direction, accepting mechanical energy such as from flowing water and converting this mechanical gennerator into electrical energy. The amplification is 10, to 1 instead of to 1. The motor controller will have differing features and complexity depending on the task that the motor will be performing.

Ampljdyne the same time, the amp load current flowing in the armature coils creates another magnetic field FS at right angles to FC. There are two basic types of inverter available, known as modified sine-wave inverter and pure sine wave inverter, the former being the most common and least costly.

Member feedback about Vector control motor: Electric motors Revolvy Brain revolvybrain bldfig harshal. The synchro control transformer. The armature carries other coils which are rotated in the magnetic field as the armature is turned.


AC asynchronous induction IM. The windings coils of wire on the armature are connected to the commutator segments. The “primary” core grey has grooves, and the windings are laid into them on top of each other. In the equipment now in use, excitation is supplied to two control windings which are oppositely gendrator. Vector control, also called field-oriented control FOCis a variable-frequency drive VFD control method in which the geenrator currents of a three-phase AC electric motor are identified as two orthogonal components that can be visualized with a vector.

This simple change can increase the gain by a factor of 10, or more. Member feedback about Wound rotor motor: Disadvantages are high torque ripple the difference between maximum and minimum torque during one revolution when operated at low speed, and noise due to torque ripple[1]. Until the early twenty-first century, their use was limited by the complexity of designing and controlling them. In fluid powered amplidyyne, the stator guides the flow of fluid to or from the rotating part of the system.

The stator is the stationary part of a rotary system, found in electric generators, electric motors, sirens, mud motors or biological rotors.