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7375499 |
Fault tolerant synchronisation source for excitation control of a three phase power generating system
A fault-tolerant synchronisation source for excitation control of a three-phase generator system that combines point of regulation (POR) signals representing parameters comprising voltage and...
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6933704 |
Slip-inducing rotation starting exciter for turbine generator
A dynamoelectric machine combining the functions of an exciter, a turning motor, and a starting motor for a turbine. The machine operates in a first mode where the slip between a first stator...
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6864667 |
Stator winding pattern for reduced magnetic noise
An electrical generator having a stator, a rotor, two windings, and a rectifying circuit. The stator has a first winding arranged in a wye configuration and a second winding arranged in a delta...
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6750636 |
Redundant field drive for an electric machine
An electric power generating system comprising: a generator including an alternator and regulator, the regulator including a normal field control and a redundant field control with a default field...
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6531685 |
Separate exciter windings for weld and auxiliary power
A method and apparatus for providing power from an engine includes a one or more output windings in of slots on a generator. A plurality of exciter windings are in magnetic communication with the...
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6522106 |
Automatic voltage regulating system for engine generator
An automatic voltage-regulating system for an engine generator includes an output voltage detecting device for extracting a single-phase AC output voltage from an output winding wound around a...
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6486640 |
Control system for variable frequency generator
Disclosed is a control system for a variable frequency generator including a main stator winding for providing a generator output, excited by a main rotor winding, and a main exciter rotor winding...
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6188204 |
Brushless AC field system for stable frequency variable speed alternators
An AC generator whose field winding (4) on the rotor is excited by AC so that the resultant speed of the rotating field is the algebraic sum of the rotor speed and the speed of the field relative...
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6160384 |
Magneto-equipped power device
A power device including a magneto and a rectification circuit for rectifying an output of the magneto is provided which is capable of adjusting an output of the magneto without any specific...
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5764036 |
Multiple output decoupled synchronous generator and electrical system employing same
A multiple output synchronous generator in accordance with the instant invention comprises a stator having a first stator winding having a number of poles p and a second stator winding having a...
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5714821 |
Alternating current generator with direct connected exciter winding
A three phase four pole alternating current generator includes an AC exciter including a series winding for each phase of the main generator windings and a shunt winding for each of the main phase...
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5694027 |
Three-phase brushless self-excited synchronous generator with no rotor excitation windings
On a stator core, there are wound T-connection primary generating windings such that the second and third single-phase windings are respectively arranged at positions electrically orthogonal to the...
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5598091 |
Three-phase brushless self-excited synchronous generator with no rotor exciting windings
On a stator core, there are wound primary generating windings of four (4) poles with a distributed full-pitch winding structure and stator excitation windings with a concentrated full-pitch winding...
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5187426 |
Device for limiting the terminal voltage in an alternator
An arrangement for limiting the terminal voltage in an alternator has a fixed stator winding acting on rectifiers and an excitation winding which rotates with the alternator rotor. The arrangement...
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5051640 |
Heteropolar excited synchronous machine
A stator-excited synchronous machine with an unwound, toothed rotor has a stator which is subdivided into sectors each of which is wound with an excitation winding. Permanent magnets are disposed...
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4887020 |
Self-compensating brushless alternator
A self-excited brushless alternator having a rotating field winding excited by an alternating current exciter whose rotating armature rotates with the rotating field winding and is permanently...
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4871960 |
Output voltage control system for an electric generator
An output voltage control system for an electric generator having two field windings, wherein a rotary shaft of the generator is rotated by a power source such as an engine, for producing an output...
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4851758 |
Brushless generator
A brushless generator having a rotor for generating a magnetic field, a stator having magnetic poles facing the rotor a main generating winding; and a voltage is induced as the magnetic field...
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4733157 |
Electronic voltage regulator with two-directional action for alternators
A voltage regulator supplies excitation current both in addition and in subtraction, since supplied current can vary not only in intensity, but also in direction depending on the signal given by a...
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4723106 |
Brushless generator exciter using hybrid rectifier
A brushless generator exciter employs a hybrid full-wave rectifier in which at least some of the rectifying diodes are controllable according to an external signal for adjusting the total exciter...
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4663582 |
Self-excited generator
A stator is formed with two opposed magnetic poles, and first and second magnetic paths juxtaposed to each other. An output coil and a first exciting coil are wound on the first magnetic path in...
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4633160 |
Self-excited alternator
A self-excited brushless alternator having a rotating field excited by an alternating current exciter whose armature rotates with the field winding of the alternator and is permanently connected to...
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4467267 |
Alternator excitation system
An excitation system for a brushless synchronous alternator includes an exciter having a stator which includes first and second sets of field coils respectively coupled to a source of DC power and...
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4424478 |
Device for exciting master generator of self-contained power units for transportation facilities
A device for exciting a master generator of self-contained power units for transportation facilities comprises a master generator with a first excitation winding, an auxiliary exciter generator...
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4408152 |
Single phase, self-regulated alternator
A substantially constant frequency self-regulated generator produces in one embodiment 120 volts or the like single phase output or in another embodiment 120 or 240 volts or the like single phase...
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4383215 |
Direct-current, self-contained, mobile power supply system
To prevent over-excitation upon high-speed operation of a compound wound alternator, the shunt field, connected in standard manner to a voltage regulator, has an additional shunt field winding...
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4383213 |
Triodyne
A dynamoelectric machine having a multiple of three poles and a corresponding multiple of three brushes is disclosed. Each of the poles are wound poles, two of each group of three poles being...
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4354150 |
Electrical generator
A slip ring less, three-phase, AC generator especially for motor vehicles, in which the compound winding is subdivided into individual components which are directly interconnected within the...
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4336486 |
Dynamoelectric machines brushless supplemental excitation system
For a dynamoelectric machine, excitation power is supplied by a main exciter having two field windings. A first field winding is driven by a pilot exciter which supplies base excitation (small...
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4233555 |
Alternating current generator for providing three phase and single phase power at different respective voltages
The stator windings of a dynamo electric machine include three phase and single phase output windings for generating alternating current output power at different voltages. The machine output...
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4117388 |
Alternating current generator
A dynamo electric machine including an alternating current generator and a brushless exciter for the generator field, wherein control and compounding field windings of the exciter are energized...
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4105963 |
Brushless welding generator
A brushless welding generator with a homopolar machine which supplies welding current, and has winding-free rotors with several pole rings. Each of these form an air gap of varying size around its...
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4004211 |
Compound AC generator
In a compound AC generator having at least one pair of magnetic poles, series field windings wound on the magnetic poles, respectively, and at least one shunt field winding wound on at least one of...
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3930175 |
Dynamoelectric machine
A dynamoelectric machine stator has a primary winding for single phase alternating current input and a secondary winding for polyphase alternating current to be supplied from output terminals. The...
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3866110 |
ELECTRICAL GENERATION AND CONTROL DEVICE
An electric generation and control device, which comprises an inductor and an armature provided with a double three-phase winding. Each phase of the armature consists of a generation winding and of...
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3771046 |
GENERATOR WITH BRUSHLESS EXCITER FIELD
The generator includes a plurality of stator windings which are connected in a preselected sequence and a plurality of leads are adapted to connect the plurality of stator windings with a load to...
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3649903 |
BRUSHLESS DIRECT-CURRENT WELDING GENERATOR
A brushless direct-current generator for welding operation has a rotatable unit which includes an exciter rotor with a three-phase first winding, a main rotor with a single-phase second winding and...
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3512074 |
GENERATOR HAVING TWO FIELD WINDINGS AND CONTROL SYSTEM THEREFOR
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3506909 |
CIRCUIT ARRANGEMENT FOR THE EXCITATION OF A DC MACHINE
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3445749 |
COMPOUND WOUND DIRECT CURRENT GENERATOR HAVING A SPLIT SHUNT FIELD WINDING
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3435325 |
ELECTRIC GENERATOR AND SPEED CONTROL SYSTEM THEREFOR
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3353089 |
Electric generating systems
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3353088 |
Electric generating system
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3343059 |
Semiconductor generator voltage regulator system
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3328671 |
Convertible welding generator
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3324384 |
Generator with field resistance switching
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3238439 |
Alternator voltage regulator
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3225284 |
Generator voltage regulating apparatus
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3205429 |
Alternator with series field
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3130360 |
Self-excited self-regulated alternating current generators
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