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.

Author: Tojagor Kagazilkree
Country: El Salvador
Language: English (Spanish)
Genre: Relationship
Published (Last): 18 November 2011
Pages: 417
PDF File Size: 5.58 Mb
ePub File Size: 10.21 Mb
ISBN: 638-4-61815-596-4
Downloads: 34458
Price: Free* [*Free Regsitration Required]
Uploader: Majora

Audio equipment manufacturers Revolvy Brain revolvybrain. He had amplidyhe emp As with other types of synchro units, synchro control transformers can be used in pairs in a double-speed arrangement. Examples of motor soft starters A motor soft starter is a device used with AC electrical motors to temporarily reduce the load and torque in the power train and electric current surge of the motor during start-up. Electric motors Revolvy Brain revolvybrain.

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

The Amplidyne (General Electric Company)

A few decades back, amplidynes were one of the first few amplifiers to produce an extremely high power in the range of amllidyne of kilowatts, giving way for accurate feedback control of heavy machines. Early ALCO road-switcher locomotives used this technology. These provided a speed-torque characteristic useful for propulsion, providing high torque at lower speeds for acceleration of the vehicle, and declining torque as speed increased. Characteristically, a maplidyne motor’s active section has ends, egnerator more conventional motors are arranged as a continuous loop.

They were used before the origin of high power, high speed of response of solid state power amplifier and control equipment. When the source of the input voltage senses the correct movement of the object, it drops the voltage to zero.


The GE Amplidyne 115 to 250 Volt Motor Generator

The amplidyne’s frequency response is limited to low frequencies, it cannot even handle audio frequencies, so its use is limited to amplifying low frequency control signals in industrial processes. The rotor’s laminated metallic core is gray, with darker slots for winding the coils having high efficiency. The company had their production facility in Milford PA.

Member feedback about Doubly-fed electric machine: These currents are amplified in the second stage to provide the control-field currents for the amplidyne generator. Amplidyne follow-up system E. Circuit Globe All about Electrical and Electronics. A pair of carbon brushes A brush or carbon brush is a device which conducts current between stationary wires and moving parts, most commonly in a rotating shaft.

Because of the very low resistance in the armature circuit, a much lower control-field flux produces full-load armature current full-load current in the armature is still about 87 amperes.

The GE Amplidyne to Volt Motor Generator

Ernst Frederick Werner Alexanderson January 25, — May 14, was a Swedish-American electrical engineer, who was a pioneer in radio and television development. The synchro compares the actual load position with the ordered position; and, if the two do not agree, it generates an alternating-current signal which is transmitted to the amplifier. Armature electrical topic A DC armature of a miniature amplidyyne or generator In electrical engineering, an armature is the power-producing component of an electric machine.

Member feedback about Permanent magnet motor: A current through any conductor creates a circular magnetic field around the conductor due to Ampere’s law. Linear induction motor topic A typical 3 phase linear induction motor.

What is an Amplidyne? – Circuit Globe

Servomechanism topic In control engineering a servomechanism, sometimes shortened to servo, is an automatic device that uses error-sensing negative feedback to correct the action of a mechanism. As you can see from our top photo, typical ones are about as big as a car battery or car battery charger; larger units look like a bit like a bank of car batteries in a vertical stack.


Our power inverter line has input voltages ranging generatro 12 volt dc power inverters, 24 volt dc power inverters and 48 volt generahor power inverters.

The rotor’s laminated core is gray metallic, with dark slots for generatoe the coils. Field windings are dark copper colored, toward the back, on both sides. Member feedback about Stepper motor: Circuit Globe Special Machines Amplidyne.

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.

The first step is to short the brushes together, as shown in figure Member feedback about Alternator: By the mids the company had become known for their car audio products and accessories, though they continued to sell other non-audio accessories for a short time longer.

The selector switch has four positions: Member feedback about Brushed DC electric motor: Member feedback about M heavy tank: The armature reaction FS induces a voltage in the armature in the same manner as flux FC but this voltage appears on the commutator at 90 degrees from the voltage induced by FC.

Member feedback about Reluctance motor: In a rotating machine, the field coils are wound on an iron magnetic core which guides the magnetic field lines. It is now mostly obsolete.

Full-load output has been obtained with only 1-watt excitation instead of