序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 A CONTROL DEVICE AND A METHOD FOR CONTROLLING MAGNETIC LEVITATION AND TORQUE GENERATION US15737542 2016-05-11 US20180180095A1 2018-06-28 Rafal JASTRZEBSKI; Pekko JAATINEN
An electrical drive includes an electrical machine, a first converter stage connected to terminals of stator phase-windings of the electrical machine, and a second converter stage connected to intermediate points of the stator phase-windings. A control device determines first component currents and second component currents so that torque is generated in accordance with electrical machine control and magnetic levitation force is directed to a rotor of the electrical machine in accordance with levitation control when portions of the phase-windings between the terminals and the intermediate points carry both the first and second component currents and the other portions of the phase-windings carry the first component currents. The reference currents for the first converter stage are determined based on the first and second component currents, and the reference currents for the second converter stage are determined based on the second component currents.
142 LOW-LOSS MODULAR MULTILEVEL CONVERTER US15562813 2016-03-30 US20180109202A1 2018-04-19 Rainer Marquardt
The invention relates to a converter which comprises a plurality of controllable two-pole submodules connected in series. At least some of the aforementioned sub-modules each comprises a first and a second sub-module connection, a first, a second, a third and a fourth controllable switch, and a storage dipole, which comprises a first and a second dipole connection, an energy store and a controllable switching device, wherein the controllable switching device has a first selectable switching state, in which the storage dipole outputs no energy, irrespective of the voltage which is applied between the first and the second storage dipole connection, and a second selectable switching state, in which the store of the storage dipole can take up or discharge energy. The sub-module as a whole has a selectable conduction state, in which the controllable switching device of the storage dipole assumes the aforementioned first switching state and the first to fourth switches are switched such that a current flows through the sub-module on two parallel branches.
143 Divided phase AC synchronous motor controller US15651643 2017-07-17 US09948227B2 2018-04-17 Charles J. Flynn; Cooper N. Tracy; W. Scott Hunter
A circuit for a motor comprises at least two phase windings forming one half of motor phase windings of the circuit and at least two other phase windings forming another half of the motor phase windings of the circuit. A direct current (DC) power supply receives alternating current (AC) power transferred from one or more of the motor phase windings and converts the AC power to DC power. A first stage power switch circuit comprising at least one power switch is connected between the at least two phase windings on the one half of the motor phase windings of the circuit and between the at least two other phase windings on the other half of the motor phase windings of the circuit. A second stage power switch circuit comprising at least one other power switch is connected between the one half of the motor phase windings of the circuit and the other half of the motor phase windings of the circuit, the at least one other power switch to receive AC power from one or more of the motor phase windings. At least one non-collapsing DC power supply component prevents the DC power supply from collapsing when the at least one power switch is on.
144 Control of alternator with front end accessory drive US15057513 2016-03-01 US09935572B2 2018-04-03 Larry Dean Elie
Control of alternator/starters for providing electrical power to a vehicle and rotating an engine is disclosed. In one example, the alternator/starter provides a differential action whereby torque on an input side of the alternator may be maintained while speed of an output side of the alternator may be varied. The alternator/starter includes two armature windings and two field windings.
145 MOTOR DRIVING CIRCUIT, APPLICATION DEVICE INCLUDING THE SAME, AND BRAKING METHOD FOR A MOTOR US15692256 2017-08-31 US20180062546A1 2018-03-01 You Qing XIANG; Shi Wen WANG; Wu Feng QIU; Ying Chao LI; Yun CHEN; Lian Zhong ZHANG; Jun ZHANG
A motor driving circuit, an application device, and a motor braking method are provided. The driving circuit includes an inverter, a braking unit, and a MCU. The inverter is configured to drive a motor. The braking unit includes a sampling circuit, a discharge circuit, and a switch group. The MCU is connected to the sampling circuit, the discharge circuit, and the switch group, and is configured to control the sampling circuit to detect a voltage across the inverter and obtain a detected value when receiving the emergency signal, compare the detected value to a preset voltage or a preset voltage range, and transmit a control signal to activate the discharge circuit when the detected value is greater than the preset voltage or exceeds the preset voltage range.
146 DC ELECTRICAL MACHINE WITH CENTER-TAP WINDINGS SYSTEMS AND METHODS US15157167 2016-05-17 US20170338757A1 2017-11-23 Pierluigi Tenca; Konrad Roman Weeber
A direct current electrical machine, which includes a rotor that generates a rotor magnetic field, a first commutation cell that includes a winding component, a first switching device, and a second switching device. The first winding component includes a first portion electrically coupled between a first terminal and a second terminal of the first winding component and a second portion electrically coupled between a third terminal and the second terminal of the first winding component. The first switching device is electrically coupled to the first terminal and is closed when a first voltage induced across the first portion by rotation of the rotor magnetic field is positive; and the second switching device is electrically coupled to the third terminal and is closed when a second voltage induced across the second portion by the rotation of the rotor magnetic field is negative.
147 PIEZOELECTRIC DRIVING DEVICE, ROBOT, AND DRIVING METHOD OF THE SAME US15497711 2017-04-26 US20170229634A1 2017-08-10 Tomohisa IWAZAKI; Akio KONISHI; Kiichi KAJINO; Koichi KAMIJO; Osamu MIYAZAWA; Yutaka ARAKAWA; Daisuke YAMADA
A piezoelectric driving device includes a vibrating plate, and a piezoelectric vibrating body including a substrate, and piezoelectric elements provided on the substrate. The piezoelectric element includes a first electrode, a second electrode, and a piezoelectric body, and the first electrode, the piezoelectric body, and the second electrode are laminated in this order on the substrate. The piezoelectric vibrating body is installed on the vibrating plate so that the piezoelectric element is interposed between the substrate and the vibrating plate. A wiring pattern including a first wiring corresponding to the first electrode and a second wiring corresponding to the second electrode is formed on the vibrating plate, the first electrode and the first wiring are connected to each other through a first laminated conducting portion, and the second electrode and the second wiring are connected to each other through a second laminated conducting portion.
148 Modular motor drive communication system and method US14632076 2015-02-26 US09722526B2 2017-08-01 James B. Vitrano; August B. Schrab; Daniel J. Middlestetter; John James Jenks; Kurt R. Hohensee; Jimmy See Yong Koh; Teck Siang Tan
A motor drive system includes a control module and a power module for generating control signals and power signals, respectively, for driving an electric motor. An add-on module or subassembly is physically positionable between the control and power modules, and communicates with the control module to allow for communication with external devices.
149 Divided phase AC synchronous motor controller US14821137 2015-08-07 US09712099B2 2017-07-18 Charles J. Flynn; Cooper N. Tracy; W. Scott Hunter
A phase windings circuit for a motor includes at least two phase windings forming one half of motor phase windings of the circuit and at least two other phase windings forming another half of the motor phase windings of the circuit. A direct current (DC) power supply is located at least approximately at a midpoint of the motor phase windings to receive alternating current (AC) power transferred from one or more of the phase windings and convert the AC power to DC power. A first stage power switch circuit comprises at least one power switch outside of the DC power supply and is electrically connected at least approximately at a midpoint between phase windings on each half of the circuit. A second stage power switch circuit comprises at least one other power switch outside of the DC power supply and is electrically connected at least approximately at the midpoint of the divided phase windings to receive AC power from the motor divided phase windings. A non-collapsing DC power supply component prevents the DC power supply from collapsing when the at least one power switch or the at least one other power switch is on and conducting.
150 Piezoelectric driving device, robot, and driving method of the same US14823264 2015-08-11 US09666785B2 2017-05-30 Tomohisa Iwazaki; Akio Konishi; Kiichi Kajino; Koichi Kamijo; Osamu Miyazawa; Yutaka Arakawa; Daisuke Yamada
A piezoelectric driving device includes a vibrating plate, and a piezoelectric vibrating body including a substrate, and piezoelectric elements provided on the substrate. The piezoelectric element includes a first electrode, a second electrode, and a piezoelectric body, and the first electrode, the piezoelectric body, and the second electrode are laminated in this order on the substrate. The piezoelectric vibrating body is installed on the vibrating plate so that the piezoelectric element is interposed between the substrate and the vibrating plate. A wiring pattern including a first wiring corresponding to the first electrode and a second wiring corresponding to the second electrode is formed on the vibrating plate, the first electrode and the first wiring are connected to each other through a first laminated conducting portion, and the second electrode and the second wiring are connected to each other through a second laminated conducting portion.
151 Energy storage device, system comprising an energy storage device, and method for actuating an energy storage device US14367272 2012-12-03 US09634601B2 2017-04-25 Martin Kessler; Erik Weissenborn
The invention relates to an energy storage device for generating an n-phase supply voltage, wherein n>1, comprising n energy supply branches connected in parallel, which are each coupled to a respective output connection of the energy storage device, wherein each of the energy supply branches has a plurality of energy storage modules connected in series. The energy supply branches each have a respective energy storage cell module, which has at least one energy storage cell, and a respective coupling device having first coupling elements, which are designed to selectively connect the energy storage cell module into the respective energy supply branch or bypass the energy storage cell module. At least one of the energy supply branches has at least one second coupling element, which is coupled between output connections of energy storage cell modules that are adjacent in the at least one energy supply branch and which is designed to connect the coupled energy storage cell modules into the respective energy supply branch in parallel with each other.
152 MULTI-POLE, THREE-PHASE ROTARY ELECTRIC MACHINE US15018448 2016-02-08 US20160268859A1 2016-09-15 Masahiro Takahashi; Nobuyuki Kaneko
A multi-pole, three-phase rotary electric machine includes a multiplicity of armature windings provided on a stator. Respective one ends of the armature windings are external connection ends that are connected with one another in three phases, while respective other ends of the armature windings being neutral ends that are all connected together with one another. The external connection ends of the multiplicity of armature windings are located on one axial side of the stator, and the neutral ends of the multiplicity of armature windings are located on the other axial side of the stator opposite the external connection ends.
153 ENERGY STORAGE DEVICE, SYSTEM COMPRISING AN ENERGY STORAGE DEVICE, AND METHOD FOR ACTUATING AN ENERGY STORAGE DEVICE US14367272 2012-12-03 US20150270801A1 2015-09-24 Martin Kessler; Erik Weissenborn
The invention relates to an energy storage device (1) for generating an n-phase supply voltage, wherein n≧1, comprising n energy supply branches connected in parallel, which are each coupled to a respective output connection (1a, 1b, 1c) of the energy storage device (1), wherein each of the energy supply branches has a plurality of energy storage modules (3) connected in series. The energy supply branches each have a respective energy storage cell module (5), which has at least one energy storage cell (5a, 5n), and a respective coupling device (7) having first coupling elements (7a, 7b, 7c, 7d), which are designed to selectively connect the energy storage cell module (5) into the respective energy supply branch or bypass the energy storage cell module. At least one of the energy supply branches has at least one second coupling element (8), which is coupled between output connections of energy storage cell modules (5) that are adjacent in the at least one energy supply branch and which is designed to connect the coupled energy storage cell modules (5) into the respective energy supply branch in parallel with each other.
154 Wirelessly Powered Electric Motor US14199272 2014-03-06 US20150256115A1 2015-09-10 Peng Zeng; Brian J. Tillotson
A method and apparatus for controlling an electric motor. Power is transmitted to windings of the electric motor by wireless magnetic coupling between transmission coils and the windings.
155 SWITCHGEAR FOR A SINGLE-PHASE MOTOR AND A THREE-PHASE MOTOR US14423903 2013-08-20 US20150241514A1 2015-08-27 Dirk Hertz; Marco Schönenberg; Helene Steuer; Stefan Zitzler
An embodiment relates to a switchgear for a single-phase motor and a three-phase motor, the switchgear including a processing unit and a first, second and third current path, the first and third current path each including a current transformer, The processing unit is adapted to detect the current I1. of the first current path and the current I3 of the third current path. To provide a cost-effective switchgear for a one-phase motor and a three-phase motor which is adapted to identify the failure of every single phase in the three-phase operation and a phase failure in the one-phase operation, the processing unit is designed such as to detect the currents I1, I3 of the first and third current path and to determine, based on the phase shift between the detected currents I1, I3 of the first and third current path in which operating mode the switchgear is operated.
156 POWER CONVERSION APPARATUS AND ELECTRICAL-MECHANICAL ENERGY CONVERSION SYSTEM US14321507 2014-07-01 US20150008859A1 2015-01-08 Shigenori INOUE, I; Shuji KATOH; Hironari KAWAZOE; Osamu TOMOBE; Toru YOSHIHARA; Kenta WATANABE
A power conversion apparatus includes arms in each of which one or more unit converters each including a capacitor and capable of outputting an arbitrary voltage are connected in series, and a point P as a first node to which one end of the respective arms are Y-connected, and a point N as a second node to which a neutral terminal of the rotary electric machine is connected. The other end of the respective arms are connected to one ends of respective phase windings of a rotary electric machine.
157 GROUND AUGMENTATION FOR MACHINES WITH FLOATING GROUNDS US14319367 2014-06-30 US20140313623A1 2014-10-23 Brian Joseph Huber
An electrical equalization system for use with an electric drive train, and at least one critical component within an electric machine, is disclosed. The electric drive train includes a generator with a generator neutral and a motor with a motor neutral. Additionally, the electric machine includes a ground that is subject to an external charge. The electrical equalization system includes a first capacitor positioned between the generator neutral and the ground, and a second capacitor positioned between the motor neutral and the ground. Both the first and second capacitors are structured and arranged to cause a voltage equalization between at least one of the motor and/or the generator and the at least one critical component in response to an external charge event directed to the system.
158 Mitigation of Harmonic Currents and Conservation of Power in Non-Linear Load Systems US14060485 2013-10-22 US20140111134A1 2014-04-24 Filiberto D. Garza
An AC power controller system applies three-phase AC operating power to an induction motor that drives a non-linear mechanical load. A primary low pass filter is connected in series between branch phase conductors and a power controller of the type that uses gate-controlled switching thyristors for controlling power to the motor. KVAR capacitors connected between the power controller and the induction motor phase windings form a secondary low pass filter across the controller output terminals. The primary and secondary low pass filters isolate the power controller and induction motor with respect to spurious noise and harmonics generated by local as well as remote sources, and also improve real power transfer efficiency from the power generating source to the induction motor by transforming the effective impedance of the power source and induction motor load.
159 Mitigation of harmonic currents and conservation of power in non-linear load systems US13018139 2011-01-31 US08564240B2 2013-10-22 Filiberto D. Garza
An AC power controller system applies three-phase AC operating power to an induction motor that drives a non-linear mechanical load. A primary low pass filter is connected in series between branch phase conductors and a power controller of the type that uses gate-controlled switching thyristors for controlling power to the motor. KVAR capacitors connected between the power controller and the induction motor phase windings form a secondary low pass filter across the controller output terminals. The primary and secondary low pass filters isolate the power controller and induction motor with respect to spurious noise and harmonics generated by local as well as remote sources, and also improve real power transfer efficiency from the power generating source to the induction motor by transforming the effective impedance of the power source and induction motor load.
160 Device for supplying energy to a long stator winding having multiple winding sections US12742933 2008-11-10 US08476857B2 2013-07-02 Reinhard Hoffmann; Alfred Weller
A device for supplying energy to a long stator winding having multiple winding sections. The device includes an energy source, a supply line connected to the energy source, section switches that are connected to the supply line and that each have a connection for connecting the switch to one winding section each. The device is configured to enable reactive (idle) power compensation independently of the closed-loop control of the energy source. The device for the reactive power compensation is configured to adjust the impedance of the device.
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