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7619905 |
Method of controlling connection of a supply of AC power to a load and to a power supply grid
A method of controlling connection of an AC power output to a load and power supply grid. The power output is produced by an AC power generating system which includes an AC/AC converter and is...
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7573243 |
Generator control arrangement
A generator control arrangement for an electrical power generator, the arrangement comprising a controller arranged to regulate output voltage from a generator to a target value, the controller...
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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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7569942 |
Output voltage controller of engine-driven generator
A control section 32 supplies a current obtained by rectifying the output of an exciting winding 5 to a field winding 3 responding to variations in the output voltage of the generator to...
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7560908 |
Automatic voltage switching for generator voltage change
A method of switching the operating voltage of a portable generator system includes operating an electrical generator to produce a first electrical signal and connecting a terminal assembly to the...
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7560887 |
Control and power module for a rotating electric machine
A control and power module for a rotating electric machine comprising a bridge of switches, a plurality of driver circuits for driving a bridge of switches, a control circuit and a plurality of...
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7554301 |
Fault current limiting in an electrical power network
Generators 12 a are for a distributed generation system. A control system 32 a receives information about network faults 14 a . In normal conditions, the control system 32 a controls the...
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7552006 |
Vehicle-use battery monitor apparatus
The vehicle-use battery monitor apparatus includes a first function of receiving a power generation rate indicative of an operating state of a vehicle alternator from a power generation control...
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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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7545123 |
Control apparatus for vehicular AC generator
A control apparatus for a vehicular AC generator analyzes, at least, a “HIGH” logic continuation time, a “LOW” logic continuation time and the pulse width duty of an external signal, for...
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7545122 |
Control method of generator
When drive control of a generator is performed, PWM control of a switching circuit comprising an FET and a diode connected to the opposite ends of a winding is performed. In the vicinity of a...
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7541685 |
Vehicle-mounted alternator
The stator of the vehicle-mounted alternator includes a stator core formed with a plurality of slots located along a circumferential direction thereof, and first and second multi-phase windings...
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7538521 |
Electrical power supply arrangement for an aircraft
An arrangement for electrically powering an aircraft comprises at least one first generator driven by an engine of the aircraft, an electricity network on board the aircraft receiving the voltage...
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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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7531991 |
Output voltage regulator for engine-driven generator
An output voltage regulator for an engine-driven generator that can satisfactory suppress fluctuation in output voltage, even when an output waveform of the generator is distorted. An engine...
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7514906 |
Automotive rotary electrical apparatus
An automotive rotary electrical apparatus with less than four switching control elements capable of blocking a field current while preventing breakage of the switching control elements in response...
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7508172 |
Failure detection apparatus for an alternator
A failure detection apparatus for an alternator can detect a short circuit failure of a diode in a full-wave rectifier with high precision by use of a simple circuit structure based on the state of...
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7498776 |
Control device for vehicle AC generator
A highly reliable control device for an AC generator without using a transistor and diode having high withstand voltage is provided. A control device for a vehicle AC generator including a voltage...
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7498775 |
Electric machine
A method and an apparatus are described for monitoring a rotating synchronous electric machine ( 9 ), which comprises a rotor having a rotor winding and a stator having a stator winding. The method...
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7495399 |
Power output apparatus and vehicle including the same
A coordination control device of a power output apparatus includes a coordination control unit. The coordination control unit calculates an intermediate value between the maximum value and minimum...
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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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7446426 |
System and method for boosting torque output of a drive train
An engine speed detector detects an engine speed of an engine having a baseline torque versus engine speed curve. A torque sensor detects an engine torque of the engine. A data processor determines...
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7420353 |
Method and system for communicating voltage regulator switching information to a vehicle computer
A method for communicating voltage regulator switching information to a vehicle computer includes generating a first output signal from a voltage regulator, the first output signal configured to...
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7391186 |
Vehicle alternator monitoring system and related failure monitoring method
A vehicle alternator failure monitoring system and related monitoring method are disclosed wherein an ECU executes operations depending on a power generation status of a vehicle alternator and a...
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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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7315149 |
Vehicle generator
The vehicle generator includes a rotor around which a field winding is wound, a stator around which an armature winding is wound, a rectifier rectifying an AC voltage induced in the armature...
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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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7286332 |
Apparatus for protecting bicycle electrical components
An electrical control apparatus comprises a current sensor and a current inhibiting circuit that inhibits current flow between first and second terminals of a bicycle dynamo when current sensed by...
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7283899 |
Vehicle alternator and methods for controlling torque loading of the vehicle alternator on an engine
A vehicle alternator and methods for controlling an amount of torque loading of the vehicle alternator on an engine are provided. The vehicle alternator utilizes a voltage regulator with 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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7250735 |
Driving circuit of a fan
A driving circuit of a fan includes a magnetic pole sensor for generating a magnetic pole sensing signal, a first waveform generator coupled to the magnetic pole sensor for generating a first...
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7233129 |
Generator with utility fault ride-through capability
A wind powered turbine with low voltage ride-through capability. An inverter is connected to the output of a turbine generator. The generator output is conditioned by the inverter resulting in an...
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7224145 |
Control and power module for integrated alternator-starter
The invention relates to a control and power module for an alternator-starter for a motor vehicle, connected between the alternator-starter ( 3 ), an on-board wiring network (Ua) and a ground line...
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7215100 |
Generator transient regulator
An apparatus for regulating a transient response of an output signal of an electrical generator. The apparatus comprises a tapped output winding means for providing a first AC signal and a second...
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7196497 |
Vehicle-mounted electrical generating system in which field current of electric generator supplying power to high-voltage system is derived from supply voltage of low-voltage system
A vehicle-mounted electrical generating system has a first voltage system which operates from a high supply voltage and a second voltage system which operates from a low supply voltage that is...
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7183749 |
Vehicle generator control system
A generator control system of a vehicle generator includes a switching element which turns on or off field current, a field current detecting circuit, a calculating circuit which calculates an...
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7180270 |
Frequency converter for high-speed generators
The present invention relates to a method and to a device for adapting the alternating current generated by a generator ( 1 ) and the alternating voltage generated by a generator ( 1 ) to a grid (...
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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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7119519 |
Control apparatus for on-vehicle generator that sends power from the battery to the field winding and from the field winding back to the battery
A control apparatus for an on-vehicle generator is provided. The generator, driven to rotate by an on-vehicle engine, is provided with stator windings, rectifiers, a field winding, and a voltage...
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7106029 |
Vehicle generator and vehicle generating system
A vehicle generating system includes a generator for a vehicle, a voltage regulator that supplies field current to the field coil at a variable duty ratio, a field current sensor that detects field...
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7106028 |
Controller of A.C. generator for vehicles
The structure of the present invention includes: a switching element inserted in series in a field coil of an A.C. generator for intermittently controlling a field current supplied to the field...
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7098629 |
Generator apparatus
A generator apparatus can provide generated power fit for a connected battery, and even if a load voltage is not within a suitable range, when the load voltage is a certain level or more, the...
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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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RE39212 |
Abnormality detection apparatus for power supply circuit
An abnormality detection apparatus for a power supply circuit associated with an internal combustion engine detects an abnormality that may occur in a power supply circuit, and controls the...
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7064524 |
Method and apparatus for generator control
A generator control circuit is disclosed that includes a first circuit ( 40 ) monitoring a generator voltage and producing a first output when the voltage is below a first level, a second circuit (...
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7035124 |
Damping system
An active damping arrangement for a power conditioning circuit comprising a converter or an inverter and an electronically driven output line having an output terminal for connecting to an external...
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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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7005833 |
Method of and apparatus for detecting sensor loss in a generator control system
A generator controller ( 4 ) is provided which is able to detect and respond to failure of a generator output voltage sensor, whilst being able to distinguish voltage sensor failure from output...
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6995544 |
Generator control apparatus
An IC regulator for controlling an alternator by changing contents of control in dependence on ambient temperature includes a control voltage limiter ( 2 ), a field current controller ( 3 ), a...
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