Patent application number | Description | Published |
20120205986 | MULTIPLE SINGLE PHASE GENERATOR CONFIGURATION - Some embodiments relate to a power generation system which includes a bus and a first single-phase synchronous generator that may provide a voltage output to the bus. A first generator controller operates the first single-phase synchronous generator. The power generation system further includes a second single-phase synchronous generator that may provide a voltage output to the bus. A second single-phase synchronous generator controller operates the second single-phase synchronous generator. The power generation system further includes a communication module that exchanges data with at least one of the first generator controller and the second generator controller such that the first generator single-phase synchronous generator and the second single-phase synchronous generator are able to simultaneously supply a voltage and current output to the bus. | 08-16-2012 |
20130113218 | ENGINE DRIVEN GENERATOR THAT IS COOLED BY A FIRST ELECTRICAL FAN AND A SECOND ELECTRICAL FAN - Some embodiments relate to an engine driven generator that includes a first electrical fan and a second electrical fan. The engine driven generator further includes a power source and a circuit connecting the power source to the first electrical fan and the second electrical fan. The circuit is configured to selectively connect the first electrical fan and the second electrical fan in series or in parallel. The circuit may operate the first electrical fan and the second electrical fan at full speed when the first electrical fan and the second electrical fan are electrically connected in parallel. The circuit may operate the first electrical fan and the second electrical fan at less than full speed when the first electrical fan and the second electrical fan are electrically connected in series. | 05-09-2013 |
20130113457 | METHOD OF SENSING GENERATOR SPEED - Some embodiments relate to a method of sensing generator speed. The method includes detecting an AC waveform produced by a generator and determining a threshold voltage from the AC waveform produced by the generator. The method further includes determining generator speed by comparing the threshold voltage with the AC waveform. The generator speed may be determined by a time period between cycles of an output of the generator. Other example embodiments relate to a method that includes detecting an AC waveform produced by an alternative stator winding within the generator and measuring the period of the AC waveform to inversely determine generator speed. | 05-09-2013 |
20130114187 | LOAD CONTROL MODULE THAT PERMITS TESTING OF POWER SWITCHING DEVICES THAT ARE PART OF THE LOAD CONTROL MODULE - Some embodiments relate to a load control module that includes an enclosure and a plurality of power switching devices within the enclosure. The load control module further includes an interface mounted on an exterior of the enclosure and a switch connected to the interface. The switch is connected to the interface such that the switch selectively activates the interface to permit testing of the power switching devices upon operation of the interface. In some embodiments, the load control module may include a display that provides information relating to whether the interface is activated by the switch. Other embodiments relate to a load control module that includes a generator having a controller which controls operation of the generator and provides commands to the switch to selectively activate the interface to permit testing of the power switching device upon operation of the interface. | 05-09-2013 |
20130116847 | ADDING AND SHEDDING LOADS USING LOAD LEVELS TO DETERMINE TIMING - Some embodiments relate to a method of adding and shedding loads that are connected to a generator. The method includes determining whether a plurality of loads is being supplied with power by the generator and then determining the total load that the generator is supplying to the plurality of loads. The method further includes determining whether to change a number of the loads in the plurality of loads based on the amount of load L that is being supplied by the generator. The method further includes determining an amount of time T in which to change the number of loads in the plurality of loads based on the amount of load that is being supplied by the generator. | 05-09-2013 |
20130274934 | CHARGING AN ENERGY STORAGE DEVICE WITH A VARIABLE SPEED GENERATOR - Some embodiments relate to a power management system. The power management system includes a variable speed generator that provides a voltage output to a bus that is adapted to be connected to a load and an energy storage device. The power management system further includes a generator controller that controls the speed of the variable speed generator and monitors a charge level of the energy storage device. The generator controller also remotely displays information relating to the charge level of the energy storage device by supplying information relating to operation of the power management system over a network. The generator controller may remotely display information relating to the charge level of the energy storage device by supplying information relating to operation of the power management system over the Internet. The generator controller may also start/stop the variable speed generator based on the charge level of the energy storage device. | 10-17-2013 |
20130278228 | METHOD OF CONTROLLING SPEED OF A VARIABLE SPEED GENERATOR - Some embodiments relate to a method of controlling speed of a variable speed generator. The method includes detecting a load of the variable speed generator and determining a target speed for the variable speed generator based on the load supplied by the variable speed generator. The method further includes using a controller to adjust the speed of the variable speed generator based on the target speed. The method may further include correcting the target speed by calculating a correction factor that corrects the target speed based on a voltage produced by the variable speed generator. | 10-24-2013 |
20130278240 | SYSTEM AND METHOD OF MEASURING POWER PRODUCED BY A POWER SOURCE - Some embodiments relate to a system for measuring power produced by a power source. The system includes a first voltage sensor for sensing a first voltage difference between a first voltage and a second voltage and a second voltage sensor for sensing a second voltage difference between a third voltage and the second voltage. The system further includes a first current sensor for sensing a current difference between a first current and a second current, and a second current sensor for sensing a current difference between a third current and the second current. The system further includes a power measuring device that determines the power produced by the power source using the first and second voltage differences and the first and second current differences. | 10-24-2013 |
20140001769 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY CUTS OFF FUEL TO A GENERATOR TO ADD A LOAD TO A BUS | 01-02-2014 |
20140001868 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY ACTIVATES GENERATORS BASED ON AN OPERATING PARAMETER | 01-02-2014 |
20140002032 | STANDBY POWER SYSTEM THAT PREDICTS A NEED TO SUPPLY POWER TO A LOAD TO MINIMIZE START TIME OF A GENERATOR | 01-02-2014 |
20140028102 | GENERATOR MANAGEMENT SYSTEM THAT DETERMINES A TIME TO ACTIVATE AND DEACTIVATE GENERATORS BASED ON THE LOAD LEVEL - Some embodiments relate to a generator management system 10. The generator management system 10 includes a first generator 11 and a second generator 13. A bus 15 connects at least one of the first generator 11 and the second generator 13 to a load L. A control 16 determines a time delay to (i) connect the first generator 11 and the second generator 13 to the bus 15; and/or (ii) disconnect the first generator 11 and second generator 13 from the bus 15. The control 16 varies the time delay based on the load L supplied by the first generator 11 and the second generator 13. | 01-30-2014 |
20140125309 | SYSTEM AND METHOD OF DETECTING A WIRING CONFIGURATION FOR A CONTROLLED FIELD ALTERNATOR - Some embodiments relate to a controlled field alternator where the alternator is wired in a low wye configuration (coils wired in series or parallel). The first sensor measures the direct current flowing through the field within the alternator to detect an excitation level of a field within the alternator. As examples, the first sensor may measure field voltage, magnetic field intensity, magnetic flux density, current to the field of a rotating exciter, voltage to the field of a rotating exciter and the duty cycle of a pulse width modulated signal that controls an on-board rectifier for a permanent magnet exciter. Embodiments are also contemplated where the second sensor measures the RMS output voltage of the alternator to determine the output characteristic of the alternator. | 05-08-2014 |
20140210256 | POWER GENERATION SYSTEM WITH ANTICIPATORY OPERATION - Systems and methods include operating a power system in a first state, and detecting an anticipated load increase. The systems and methods further include changing operation of the power system from the first state to a second state upon detection of the anticipated load increase. | 07-31-2014 |
20140253054 | ALTERNATOR FOR A POWER GENERATION SYSTEM - An alternator for a power generation system. The alternator includes a stator. The stator includes a main output winding, a poly-phase auxiliary winding and an exciter field winding that is powered by the poly-phase auxiliary winding. The alternator further includes a rotor that includes an exciter secondary winding and a rotary field winding that is powered by the exciter secondary winding. The rotary field winding voltage is determined by the exciter secondary winding voltage. In some power generation systems, the rotary field winding current of the rotor may be directly rectified from the exciter secondary winding current by uncontrolled rectifiers. The alternator further includes a regulator that measures a current to the exciter field winding. The regulator controls the current to a set point in order to regulate an output voltage produced by the main output winding of the stator. | 09-11-2014 |
20140309797 | GENERATOR MANAGEMENT SYSTEM AND METHOD THAT SELECTIVELY ACTIVATE AT LEAST ONE OF A PLURALITY OF GENERATORS IN A POWER GENERATION SYSTEM - A method of determining an operation of at least one of a plurality of generators in a power generation system. The method includes identifying a system parameter that is related to operation of the power generation system; and determining which of the plurality of generators to operate to minimize fuel consumption of the power generation system based on the system parameter. Other methods include identifying a system parameter that is related to operation of the power generation system; and determining which of the plurality of generators to operate by optimizing an operating variable of the power generation system based on the system parameter. | 10-16-2014 |
20140338864 | COOLING AND CONTROL OF A LOAD BANK USED IN A POWER GENERATION SYSTEM - A power generation system that may include a generator having an alternator and an internal combustion engine configured to drive the alternator to generate power. The alternator may convert the mechanical energy created by the engine to electrical energy, such as alternating current. The generator may supply the electrical energy from the alternator to various devices which may be connected with the alternator. The power generation system may further include a load bank. The load bank may include one or more resistive elements, inductive elements, capacitive elements, or combinations of elements. The power generation system may include a cooling system that may remove heat from one or both the internal combustion engine and the load bank. The cooling system may include a liquid that passes through various components of the internal combustion engine to transfer the heat to or from the engine and the load bank. | 11-20-2014 |
20150059696 | Gaseous Engine Fuel Delivery - A fuel delivery system may be utilized in an internal combustion engine or a generator engine. The fuel delivery system includes a fuel injector and a venturi. The venturi provides a force for delivering the fuel into the manifold of the engine, and the fuel injector provides metering to control the amount of fuel delivered into the manifold of the engine. In one example, the fuel delivery system includes a first chamber configured to enclose a gaseous fuel, a second chamber configured to direct a flow of air through the venturi, and a plunger. The plunger is controlled to selectively connect and disconnect the first chamber and the second chamber to control the flow of the gaseous fuel into the second chamber under a differential pressure of the venturi. | 03-05-2015 |
20150059698 | POSITION BASED AIR/FUEL RATIO CALCULATION IN AN INTERNAL COMBUSTION ENGINE - Some embodiments relate to an internal combustion engine that includes a combustion chamber and a rotating component. The internal combustion engine further includes a sensing system that detects an angular position of the rotating component. A controller calculates a ratio between air and fuel in the combustion chamber based on the detected position of the rotating component. As an example, the rotating component may be a crankshaft where the controller calculates a speed of the crankshaft and an acceleration of the crankshaft based on the detected position of the crankshaft. | 03-05-2015 |
20150069858 | Automatic Diagnosis or Repair for a Generator Controller - A set of generators are connected in parallel using an electrical bus. One of the generators includes selectively connected inputs including a first input associated with a generator and a second input associated with the bus. A controller is configured to receive a first electrical characteristic from the first input assigned to a first connection and a second electrical characteristic from the second input assigned to a second connection. The controller is configured to generate a switching signal to assign the first input to the second connection or assign the second input to the first connection in response to a difference between the first electrical characteristic and the second electrical characteristic exceeding a threshold. | 03-12-2015 |
20150084616 | SYSTEM AND METHOD OF MEASURING POWER PRODUCED BY A POWER SOURCE - Some embodiments relate to a system for measuring power produced by a power source. The system includes a first voltage sensor for sensing a first voltage difference between a first voltage and a second voltage and a second voltage sensor for sensing a second voltage difference between a third voltage and the second voltage. The system further includes a first current sensor for sensing a current difference between a first current and a second current, and a second current sensor for sensing a current difference between a third current and the second current. The system further includes a power measuring device that determines the power produced by the power source using the first and second voltage differences and the first and second current differences. | 03-26-2015 |