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Document |
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7213461 |
Torsional shaker apparatus for inspecting rotatable power generation machinery
Apparatus for applying torsional vibration to a rotating machine is provided. In one exemplary embodiment the apparatus includes a permanent magnet machine ( 12 ) connected to the rotating machine...
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6025700 |
Alternator regulator
A regulator for a brushless synchronous alternator that includes a rotary exciter having a stationary excitation inductor. The regulator includes, in combination, a power stage connected to the...
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5973482 |
Power boost circuit for a voltage regulator
The present invention pertains to an apparatus for providing current. The apparatus comprises a voltage regulator for regulating output voltage of a generating device to a predetermined level. The...
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5486751 |
Electronic trimming voltage regulator
A circuit and a method for controlling excitation current to the field winding of a generator or motor. An uncontrolled current source supplies sufficient excitation current to maintain the...
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5239254 |
Series-exciting device for synchronous generators
A series-exciting device for a synchronous generator characterized in that armature windings at the side of the armature are wound using concentrated full-pitch winding or a winding method similar...
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5170111 |
Method for controlling power generation
The present invention is concerned with a method for power generation which may be used in conjunction with a generator in which a permanent magnet rotor and a Randell rotor provided in a casing...
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4581572 |
Alternating current generator for a car
Excitation of a field coil 2 is carried out by a separated power source 9 placed independent of a battery 8 to increase the output of a generator. A solar battery 10, a piezoelectric element 13 or...
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4560916 |
Alternating current generator system for a car
A field coil (2) is excited by a solar battery (9) attached on a car to use an alternating current generator as of a separately excited type and a battery (8) is supplementarily charged by the...
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4451776 |
Charging generator control system
The present invention relates to a charging generator control system comprising a generator which includes a field winding, and an armature winding being in three-phase connection to generate an...
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4426613 |
Control system for a self-excited alternating current generator
A control circuit for a self-excited AC generator including an automatic voltage regulator, a fly-wheel capacitor which is charged normally by part of the generator output during a no-load...
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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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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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4264856 |
System for maintaining excitation of an alternating current generator during excessive output current conditions
In a generating system having a shunt-type regulator for exciting the field of a generator during normal operating conditions, circuitry is provided for supplying voltage to a field winding to...
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4222002 |
Potential generating system including an auxiliary direct current potential producing arrangement
In a direct current potential generating system of the type in which the system potential generating device field winding is energized by the generating system output potential connected in a field...
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4035714 |
Alternating current generator
A pair of diodes, which has an input terminal connected with a neutral point of a Y-connected output winding of an alternating current generator, is provided in addition to a full-wave bridge...
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4032835 |
Brushless exciter supplemental ceiling excitation system
An excitation system for a synchronous generator includes a conventional brushless exciter for providing base excitation for rated power output and a controlled source of direct current...
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3378753 |
Circuit-initiating self-excitation of a three-phase alternator
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3341768 |
Alternator phase voltage regulator
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3329886 |
Alternator having constant frequency to voltage ratio output and protective circuit
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3072840 |
Regulating system for alternators
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2934692 |
Generator protective system
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2927263 |
Compounded internal pole synchronous generator
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2911584 |
Compounded synchronous dynamoelectric machines
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2898540 |
Generator excitation system
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2888621 |
Electric drive
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2879464 |
Generator power factor, voltage and current control apparatus
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2873420 |
Excitation means for alternating electric current generators
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2855562 |
Direct current presaturated current transformer arrangement
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1358738 |
Title is not available
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1358737 |
Title is not available
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1355475 |
Title is not available
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