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7615972 |
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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7615879 |
Method of controlling an onboard power supply system for a motor vehicle
A method is provided for controlling an onboard power supply system for a motor vehicle having a multi-voltage generator which supplies at least a first and a second partial power supply system...
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7609035 |
Power generation control device for controlling power generation system of movable body and power generation control method
A power generation control device enables to conduct appropriate charge control and load limitations even if a technique (charge control technique) for restricting power generation by a generator...
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7608937 |
Power generation system and method for storing electrical energy
A power generation system and a method for storing electrical energy are provided. The method includes generating a first AC voltage from a wind turbine generator and converting the first AC...
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7598713 |
System and method for electric current and power monitor 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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7592785 |
Output control apparatus and method for field winding type dynamo-electric machine
A control apparatus for controlling an exciting current of a field winding type dynamo-electric machine having an exciting winding so as to obtain a demanded output thereof comprises an exciting...
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7586203 |
Vehicle-use generator
The vehicle-use generator includes a rotor rotatably mounted on a shaft and having a field coil wound therearound, a stator having stator winding wound therearound and fixedly disposed so as to...
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7583062 |
Method and system for protecting voltage regulator driver circuitry during field coil short circuit condition
A method for protecting voltage regulator driver circuitry during a short circuit condition of an alternator field coil includes passively detecting a drop in field coil voltage during an...
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7579812 |
Modulation control of power generation system
Methods and apparatuses are disclosed for producing current with a desired output frequency from one or more fixed or variable speed alternators by varying a saturation level of a portion of the...
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7576520 |
Power generation control device for vehicle generator
The power generation control device for a vehicle generator includes an IC circuit including a communication circuit formed therein and having a function of performing a digital communication with...
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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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7571045 |
Control system for gas-turbine engine
In a gas-turbine engine control system having a first control channel inputting the outputs of sensors to calculate and output a first command value indicative of a quantity of fuel to be supplied...
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7570027 |
Electric power generation control apparatus
An electric power generation control apparatus is connected to an external controller composed of a vehicle interface circuit capable of generating and transferring a power switch-on signal to the...
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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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7567006 |
Field controllable rotating electric machine system with flux shunt control
In a magnet-exciting rotating electric machine, a magnetic field pole part opposing an armature is composed to be divided into a surface magnetic pole part and a magnetic excitation part so as to...
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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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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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7545208 |
Signal amplification through an electromagnetic device
The present invention uses an electromagnetic device for amplifying an input signal without the use of amplifiers, power supplies, and inverter/converter circuits. The present invention routes an...
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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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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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7538522 |
Specially improved automotive replacement voltage regulator
This device is A Specially Improved Automotive Replacement Voltage Regulator for use in the automotive components remanufacturing and original equipment alternator product. Particularly this device...
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7535203 |
Alternator
An alternator comprises: an output rectifier converting AC voltage produced in an output armature winding into DC and supplying the DC electric power to a rechargeable battery and a current...
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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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7528584 |
Power MOS voltage regulator for batteries
A power MOS voltage regulator for recharging batteries of motor vehicles; a voltage generator is selectively connected to a battery, respectively to an earth by a controlled rectifier bridge. The...
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7525824 |
Method to control a frequency converter
A method for the control of a static frequency converter, in which an alternating voltage provided by a generator with a first frequency is first rectified in a switched rectifier, and in which the...
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7521906 |
Generating system with a regulated permanent magnet machine
An electromechanical power transfer system that transfers power between a prime mover and a direct current (DC) electrical power system, comprises: a permanent magnet machine (PMM) that has a...
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7521904 |
Method and device for detecting errors in charging lines
In a device for detecting errors in a charging line, the device detects an error in the charging line connecting the vehicle generator and an on-board battery. The device includes a bias circuit, a...
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7518256 |
Control and protection of a doubly-fed induction generator system
A control system for a double-fed induction generator (DFIG) comprising a rotor ( 1 ) having rotor windings and a stator ( 2 ) having stator windings connectable to a grid for electric power...
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7498777 |
Electricity production circuit
The present invention relates to a circuit for producing electricity, the circuit comprising:
a first rectifier comprising inputs and an output; a second rectifier comprising inputs and an...
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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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7486052 |
Controller for vehicle AC generator
A controller for a vehicle AC generator that allows the aging test time of a CMOS logic circuit to be reduced is provided. The controller includes a specified signal detecting circuit connected to...
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7476987 |
Stand-alone wind turbine system, apparatus, and method suitable for operating the same
This invention provides a wind turbine-battery-dump load stand-alone renewable energy system and an optimal control of the same. The system may include both power conversion and control units. In...
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7471069 |
Voltage generator device, motor vehicle, control method for the voltage generator device, control method for the motor vehicle, and computer-readable recording medium storing program for causing computer to execute the control method
A voltage raising device that provisionally maintains an operation and function when there is an abnormality provided. If a battery voltage drops when an engine is restarted after an idle stop, the...
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7471008 |
Method and system for controlling a rotational speed of a rotor of a turbogenerator
A system and method controls a rotational speed of a rotor or shaft of a turbogenerator in accordance with a present voltage level on a direct current bus. A lower threshold and a higher threshold...
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7471002 |
Voltage controller of alternator for vehicle
A voltage controller has an integrated control circuit having a plurality of lead wires, a plurality of connecting terminals, and a terminal holding body holding the terminals such that a portion...
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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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7453241 |
Electronic controller matching engine power to alternator power and maintaining engine frequency for a free-piston stirling engine driving a linear alternator
A feedback control method and circuit for inclusion in a control system of an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. An...
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7453240 |
Generating apparatus and motor control apparatus
A generator having a field coil L, and an SW 1 control circuit 2 for controlling field current flowing through the field coil L. When a generating operation of the generator is to be ended, a...
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7443143 |
Controller of AC generator for vehicle
A controller of a generator for a vehicle in the invention includes a battery voltage detecting circuit and an output terminal voltage detecting circuit of an AC generator. A value of a detected...
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7443142 |
Active rectification of alternator output without using a position sensor
Disclosed herein is an automotive electrical system including a FET based rectifier and method of controlling the FET based rectifier without using either an alternator shaft position sensor or...
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7439713 |
Modulation control of power generation system
Methods and apparatuses are disclosed for producing current with a desired output frequency from one or more fixed or variable speed alternators by varying a saturation level of a portion of the...
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7436154 |
Vehicle generator control device
A vehicle generator control device includes a transistor chopper type exciting circuit for supplying an excitation current to a vehicle-mounted electric generator drivable by an engine of the motor...
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7423351 |
Vehicle-generator control device
The vehicle-generator control device for controlling an output voltage of a vehicle generator by on/off-controlling an excitation current flowing into an excitation winding of the vehicle...
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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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7414326 |
Regulator system for alternator
An improved regulator system is disclosed for controlling a field winding of an alternator to regulate the charging of a battery. The improved regulator system comprises an internal regulator...
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7402916 |
Method of controlling a reversible, polyphase rotary electrical machine for a motor vehicle having a heat engine
The method of controlling a reversible, polyphase rotary electrical machine called an alternator-starter, for a motor vehicle with a heat engine, the machine being adapted to work either as an...
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