Patent classifications
H02P9/48
Mobile waste comminuting device comprising a series-connected hybrid drive system
The mobile waste comminuting device of the invention comprises: at least one comminuting shaft; an internal combustion engine; at least one generator that is coupled to the internal combustion engine to convert mechanical energy supplied by the internal combustion engine into electric energy; at least one electric motor which is powered by the electric energy so as to drive the at least one comminuting shaft and change the direction of rotation thereof; and an energy store for storing energy and at least partly powering the at least one electric motor with electric energy, in particular for storing energy during periods of low power demand and supplying energy during periods of high power demand in relation to the nominal power of the at least one generator.
METHOD FOR OPERATING A HEATED CATALYTIC CONVERTER, AND HEATED-CATALYTIC-CONVERTER CONTROL SYSTEM
A method for controlling an electrically heatable catalytic converter that is supplied, by a starter generator, with an output power belonging to the starter generator, wherein the output power of the starter generator is increased by a PWM method, wherein the eCAT monitors an on-board electrical system supply voltage that arises on account of the increase in the output power, the eCAT is activated if the on-board electrical system supply voltage exceeds an upper threshold value, and the eCAT is deactivated if the on-board electrical system supply voltage falls below a lower threshold value.
METHOD FOR OPERATING A HEATED CATALYTIC CONVERTER, AND HEATED-CATALYTIC-CONVERTER CONTROL SYSTEM
A method for controlling an electrically heatable catalytic converter that is supplied, by a starter generator, with an output power belonging to the starter generator, wherein the output power of the starter generator is increased by a PWM method, wherein the eCAT monitors an on-board electrical system supply voltage that arises on account of the increase in the output power, the eCAT is activated if the on-board electrical system supply voltage exceeds an upper threshold value, and the eCAT is deactivated if the on-board electrical system supply voltage falls below a lower threshold value.
Stator secondary windings to modify a permanent magnet (PM) field
Systems, methods, and apparatus for secondary windings to modify a permanent magnet (PM) field of a permanent magnet synchronous generator (PMSG) are disclosed. In one or more embodiments, a disclosed system for a PMSG comprises a permanent magnet (PM) of the PMSG to rotate and to generate a permanent magnet field. The system further comprises a plurality of stator primary windings (SPW), of the PMSG, to generate primary currents from the permanent magnet field. Further, the system comprises a plurality of stator secondary windings (SSW), of the PMSG, to draw secondary currents from a power source, and to generate a stator secondary winding magnetic field from the secondary currents. In one or more embodiments, the permanent magnet field and the stator secondary winding magnetic field together create an overall magnetic field for the PMSG.
Stator secondary windings to modify a permanent magnet (PM) field
Systems, methods, and apparatus for secondary windings to modify a permanent magnet (PM) field of a permanent magnet synchronous generator (PMSG) are disclosed. In one or more embodiments, a disclosed system for a PMSG comprises a permanent magnet (PM) of the PMSG to rotate and to generate a permanent magnet field. The system further comprises a plurality of stator primary windings (SPW), of the PMSG, to generate primary currents from the permanent magnet field. Further, the system comprises a plurality of stator secondary windings (SSW), of the PMSG, to draw secondary currents from a power source, and to generate a stator secondary winding magnetic field from the secondary currents. In one or more embodiments, the permanent magnet field and the stator secondary winding magnetic field together create an overall magnetic field for the PMSG.
Low loss shunt regulator
A direct-current (DC) power generation system for a vehicle, a boosting shunt regulator, and a method of regulating the output of an AC generator with the boosting shunt regulator are provided. The boosting shunt regulator includes gated power switches electrically coupled between AC generator contacts and output contacts. A shunt operates the power switches at duty cycles selected to boost the AC voltages output by the AC generator.
Low loss shunt regulator
A direct-current (DC) power generation system for a vehicle, a boosting shunt regulator, and a method of regulating the output of an AC generator with the boosting shunt regulator are provided. The boosting shunt regulator includes gated power switches electrically coupled between AC generator contacts and output contacts. A shunt operates the power switches at duty cycles selected to boost the AC voltages output by the AC generator.
Inverter type engine generator
An inverter type engine generator includes an alternator; and a converter composed of the a three-phase rectifying bridge circuit including an upper and lower three sets of elements, and converting three-phase alternating current output from the alternator into direct current. The upper and lower three sets of elements of the three-phase rectifying bridge circuit of the converter are configured such that upper elements are configured at least from duty-controllable diode elements, and lower elements are configured at least from duty-controllable switching elements having diodes.
PCM controlled charging system
A method of controlling an alternator in a marine propulsion system includes receiving a demand value, wherein the demand value relates to an amount of output power produced by the engine that is demanded for propulsion of the marine vessel, and determining whether the demand value exceeds a demand threshold. The alternator is then controlled to reduce the charge current output to the battery and/or reduce a portion of engine output power from the engine that is utilized by the alternator when the demand value exceeds the demand threshold.
PCM controlled charging system
A method of controlling an alternator in a marine propulsion system includes receiving a demand value, wherein the demand value relates to an amount of output power produced by the engine that is demanded for propulsion of the marine vessel, and determining whether the demand value exceeds a demand threshold. The alternator is then controlled to reduce the charge current output to the battery and/or reduce a portion of engine output power from the engine that is utilized by the alternator when the demand value exceeds the demand threshold.