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7576443 |
Method and apparatus for generating electric power
A method of generating electric power includes providing at least one open-winding generator having at least one winding, wherein the at least one winding has a first terminal and a second...
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7569944 |
Wind power generation system and operating method thereof
A wind power generation system wherein procedure for controlling the blade pitch is changed in accordance with the rate of decrease in the amplitude of the grid voltage, and when over current...
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7564224 |
Power-generator control method and apparatus using externally applied periodic signal
In a power-generator control apparatus installed in a power-generator designed to generate an output voltage at an output terminal thereof, a regulating unit regulates the output voltage so that...
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7545124 |
Connecting a prime mover driven alternator to a circuit with an existing alternating current
Apparatus and method are provided, for connecting prime mover driven alternator to circuit that has an existing alternating current. Alternator is connected to circuit when minimum current flows to...
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7531992 |
Control system for controlling output of power generator
In a control system for controlling a power generator based on a command value associated with a control parameter, a receiver receives the command signal, a detector detects the command value...
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7486053 |
Power manager for an electrical power generator
An electrical power generator includes a controller for making a full power capacity of the generator available for consumption by at least one intelligent load coupled to an output of the...
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7466107 |
System and method for electric current and power monitoring and control of a generator
A control device measures a voltage drop across a conductor in a generator to determine and control the total generator output current. A temperature of the conductor is also measured to improve...
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7456616 |
Current sensor for electric machine control
The disclosed apparatus relates to a current sensing electrical energy generation system comprising, an electric machine, a conductor electrically connected to the electric machine, and a current...
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7417333 |
Methods and apparatus for controlling current in an electrical machine
A method for determining electric currents for an electrical machine includes generating a first real power current demand signal and a first reactive power current demand signal. The method also...
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7397224 |
Voltage regulator with improved protection and warning system
This invention discloses a vehicle electrical system voltage regulator with improved electrical protection and warning means that discerns and responds to regulator, generator, or vehicle...
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7394227 |
Power generation control apparatus for vehicle
A vehicle power generation control apparatus has a power supply circuit, a rotation detecting circuit, an exciting current detecting circuit, a torque detecting/maximum exciting current determining...
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7368892 |
Method and apparatus for controlling power generation using gradually exciting technique
A generation control apparatus for vehicles is provided, in which a drastic change in the drive torque of a generator, which occurs with the cancellation of gradual excitation immediately after...
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7358705 |
Apparatus of controlling power generation of a generator
An apparatus for controlling power generation of a generator has a voltage detector and a power controller. The voltage detector detects a voltage of electric power generated in the generator. When...
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7294991 |
Method and apparatus for calculating/controlling power generation torque
In an apparatus, a first detecting unit detects the number of revolutions of a power generator, a second detecting unit detects an output voltage of the power generator, and a third detecting unit...
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7292008 |
Electric generation control apparatus for vehicle alternator
An electric generation control apparatus for a vehicle alternator receives an electric generation control signal transferred from an ECU placed apart from the control apparatus through a data...
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7292007 |
Vehicular electric generation control apparatus and related method of detecting electric generation status
A control apparatus controls the generation of a vehicle electric generator having an armature winding, excitation winding and rectifier connected to the armature winding. The apparatus includes a...
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7282893 |
Method and apparatus for generator control
A generator control circuit is provided that includes a first circuit ( 44 ) monitoring a generator voltage change rate and producing a first output when the voltage change rate is above a first...
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7265463 |
Rotary electric apparatus with high cooling performance
A rotary electric apparatus, such as on-vehicle three-phase AC generator (i.e., alternator) comprises a main rotary unit, a semiconductor power converter, and an air cooling mechanism. The main...
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7236382 |
Inverter module having encapsulated resistors
An object is to provide an inverter module capable of reducing installation space, and in summary, the inverter module comprises a switching element group provided in a mold package to convert a DC...
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7211988 |
Method for constant-current generation and device used to carry out said method
A method for constant-current generation by means of a rotational energy source, a generator and a control circuit connected to the generator. Mechanical rotational energy is generated by the...
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7126520 |
Segmented sawtooth generator
Generation of segmented sawtooth waveforms. A desired waveform is divided into intervals. A slope is associated with each interval. A charge current representing the slope is applied to a timing...
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7084610 |
Alternator rectifier
An alternator for a motor vehicle includes a current generation device and a rectifier. The current generation device has multiple phase stator windings in which AC currents are generated. The...
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7078881 |
Vehicle AC generator apparatus having improved generator control apparatus
A vehicle AC generator apparatus includes one or more rectifier elements for rectifying a generated AC voltage, and a generator control apparatus which monitors the voltage difference between...
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7075272 |
Control device for vehicle AC generator
In a control apparatus of a vehicle AC generator, a flip-flop for receiving a clock pulse with a constant period and a control pulse is used. The clock pulse sets the control period at the constant...
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7019496 |
Demand responsive power generation system
A method and apparatus for generating power in a demand responsive manner is disclosed. The apparatus includes a controller monitoring power demand conditions to determine activation of an energy...
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7009365 |
Systems and methods for control of vehicle electrical generator
Systems, methods and devices are described for controlling a vehicle electrical generator. A regulator for controlling a generator in response to an input signal received from a control module...
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6998728 |
Method and apparatus for controlling output current of turbine/alternator on common shaft
An electrical system and method for a turbine/alternator comprising a gas driven turbine and a permanent magnet alternator rotating on a common shaft includes an inverter circuit connectable either...
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6954052 |
Control apparatus and control method of generator for vehicle
An electronic control apparatus includes target FR calculator that calculates a target exciting current duty ratio FR based on an exciting current inputted from FR terminal of a regulator and...
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6900618 |
Power generation control apparatus for vehicle
A vehicle power generation control apparatus that has a power supply circuit, a rotation detecting circuit, an exciting current detecting circuit, an exciting current control circuit, a torque...
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6876096 |
Electrical power generation unit
The invention provides a power generation unit ( 100 ) having a generator ( 8 ) driven from shaft ( 112 ) and which has a transformer ( 24 ) connected to its output terminals for transforming the...
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6859019 |
System and method for coupling rectifiers of an exciter to the rotor of a main generator
A system and method for electrically coupling windings of a main generator rotor to a plurality of DC sources on an exciter that each have respective first-voltage and second-voltage terminals is...
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6859017 |
Method for generating a setpoint current value for a load-dependent current-generating system
A method for operating a load dependent current-generating system which supplies at least one electric drive motor with electrical energy. A power request is made to the electric drive motor, and a...
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6812584 |
Power reduction circuit for engine acceleration
A method and apparatus for providing welding power from an engine/generator driven welding power supply includes an engine and a generator. A welding power supply is connected to the generator...
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6794854 |
Vehicle power converted with shunt resistor having plate-shape resistive member
A power converter includes a shunt resistor constituted by a shunt resistance and a plurality of main electrodes made of a sheet-like resistive material. In the shunt resistor, plates lower in...
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6788029 |
Flywheel with switched coupling regulator
A flywheel energy storage device, for producing electrical power in an allowable range of operating voltages for an output load, includes an energy storage flywheel supported for rotation on a...
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6787933 |
Power generation system having transient ride-through/load-leveling capabilities
A power generation system includes a turbogenerator having a motor/generator and a turbine coupled to a common shaft, and generates AC power. A first power converter is coupled to the...
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6781350 |
Automotive dynamo controller
A controller for an A.C. generator for a vehicle, includes: batteries each of which is charged with electric charges on the basis of an output of generation of electrical energy of an A.C....
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6717386 |
Electric power supply system
A rectifying section 2, and a DCDC converter 3 which lowers an input DC voltage and then outputs the voltage are disposed between an AC generator 1 and a load 4. When the output voltage Vt...
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6707277 |
Method of controlling claw-pole synchronous machine
A method of controlling a claw-pole synchronous machine with enhanced controllability without incurring additional expensiveness. Operation of the claw-pole synchronous machine is controlled...
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6700355 |
Method for controlling a vehicular generator, an external controller and a vehicular power generation controlling device
When a transistor is turned ON, a predetermined voltage VCL is applied to a minus terminal of a voltage comparator through a C terminal. A predetermined voltage Vd (Vd>VCL) is applied to a plus...
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6573689 |
Programmable alternator regulation circuitry
Among the embodiments of the present invention is an apparatus that includes an alternator and circuitry operable to regulate electrical power output by the alternator. This circuitry includes an...
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6555994 |
Predictive control of a generator output
The present control circuit and method extends the operating range of digitally sampled control loops. A programmable output of a generator is controlled. The programmable output includes a an...
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6534959 |
Voltage sensing for automotive voltage regulator
A voltage regulator for control of a vehicle generator. The voltage regulator is selectably responsive to a voltage representing the generator output voltage at the alternator output terminal, or...
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6531850 |
Load controller utilizing alternator field excitation
A DC motor control for an electrical implement such as a reel mower includes a regulator having additional inputs connected to a main intelligent control which includes interlock circuitry. The...
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6531849 |
Alternator for vehicles
An alternator is provided having a pulley mounted on a rotating shaft of a rotor through a one-way clutch which transmits a driving power to the rotor during acceleration of a crankshaft and does...
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6462516 |
Voltage controller for automotive alternator
A voltage controller for an automotive alternator prevents a delay in response to an engine controller, thus enabling proper engine control to be accomplished. The voltage controller for an...
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6429627 |
Voltage regulator for a generator drivable by an internal combustion engine
A voltage regulator for a generator drivable by an internal combustion engine is proposed, in which the triggering of the end stage transistor for varying the exciter current is done with the aid...
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6411065 |
Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride through for micropower generation systems
An integrated system for comprehensive control of an electric power generation system utilizes state machine control having particularly defined control states and permitted control state...
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6215284 |
Control device of A.C. generator for vehicle
In a control device of an a.c. generator for a vehicle which is designed in such a way that for a first time right after an engine having been started, an output of the a.c. generator is suppressed...
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6204643 |
Controller for car AC generator
A controller for a car AC generator which eliminates the need for a drive signal supplied by a key switch and stabilizes the power generation of an AC generator at the start of an internal...
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