序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
101 SEMICONDUCTOR DEVICE US15574834 2015-05-29 US20180153032A1 2018-05-31 Mitsumasa Sasaki
A semiconductor device of the present invention includes: a substrate (12) that is annular or partially annular; a first phase control circuit (14) provided on the substrate (12), the first phase control circuit being configured to control a first phase of a plurality of phases of a motor; a second phase control circuit (15) provided on the substrate (12) so as to be adjacent to the first phase control circuit (14) in a circumferential direction of the substrate (12), the second phase control circuit (15) being configured to control a second phase of the plurality of phases of the motor, the second phase being different from the first phase; a power supply wiring (18) disposed on one of an outer circumferential side and an inner circumferential side of the first phase control circuit (14) and the second phase control circuit (15) in a radial direction of the substrate (12), the power supply wiring (18) being connected to the first phase control circuit (14) and the second phase control circuit (15), and the power supply wiring (18) extending in the circumferential direction of the substrate (12); and a ground winding (19) disposed on an other one of the outer circumferential side and the inner circumferential side of the first phase control circuit (14) and the second phase control circuit (15) in the radial direction of the substrate (12), the ground winding (19) being connected to the first phase control circuit (14) and the second phase control circuit (15), and the ground winding (19) extending in the circumferential direction of the substrate (12).
102 ELECTRIC DRIVE DEVICE AND CONTROL METHOD FOR SAME US15548480 2015-02-23 US20180006594A1 2018-01-04 Akira FURUKAWA; Yu KAWANO
Provided is an electric drive device which controls a current supplied to coils during normal operation so as to be less than a current limit value when normal, which is determined from heat generating properties and heat radiating properties of a thermally coupled body that includes the coils and an inverter circuit. When an abnormality in each group or each phase of the coils and the inverter circuit is detected, the supply of current to all phases of a group suffering an abnormality in the coils, or to a phase that is not capable of continuous operation, is stopped or reduced; and the limit value of the current supplied to a coil that is capable of continuous operation is reset to a current limit value in the event of abnormality, which is larger than the current limit value when normal, within the range of improvement of the heat generating properties of the thermally coupled body due to the stopping or reduction of the supply of current.
103 Switchgear for a single-phase motor and a three-phase motor US14423903 2013-08-20 US09851404B2 2017-12-26 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.
104 DRIVER CIRCUIT FOR ELECTRIC MOTORS US15145702 2016-05-03 US20170324308A1 2017-11-09 David Victor Pietromonaco
A method and a device for engendering rotation of a rotor relative to a stator. Stator teeth may comprise a mutually coupled coil winding pair, and a driver circuit may drive current through a first coil winding of the mutually coupled coil winding pair to generate a current on a second coil winding of the mutually coupled coil winding pair. The driver circuit may drive charge through the second coil winding to apply a torque to a rotor tooth. The driver circuit may also recapture and store charge to drive through the second coil winding.
105 DIVIDED PHASE AC SYNCHRONOUS MOTOR CONTROLLER US15651643 2017-07-17 US20170317634A1 2017-11-02 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.
106 DC electrical machine with center-tap windings systems and methods US15157167 2016-05-17 US09806651B1 2017-10-31 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.
107 Divided phase AC synchronous motor controller US14991683 2016-01-08 US09712097B2 2017-07-18 Charles J. Flynn; Cooper N. Tracy
A circuit includes phase windings, a power switch circuit comprising at least one power switch at a midpoint of the phase windings, a direct current (DC) supply circuit at the midpoint of the phase windings, and one or more non-collapsing DC power supply components to prevent the DC power supply from collapsing when the at least one power switch is on and conducting during one or more portions of a cycle. The one or more non-collapsing DC power supply components each may include one or more of a tap from one of the phase windings electrically connected to the DC power supply, a secondary phase coil winding connected to the DC power supply to power the power supply, one or more resistors between the one of the phase windings and the power switch circuit, one or more Zener diodes between one of the phase windings and the power switch circuit, and/or an electrical component to create a voltage drop between one of the phase windings and the power switch circuit to prevent the power supply from collapsing when the at least one power switch in the power switch circuit is on and conducting.
108 Divided phase AC synchronous motor controller US15010867 2016-01-29 US09705441B2 2017-07-11 Charles J. Flynn; Cooper N. Tracy
A circuit includes phase windings to receive alternating current (AC) line voltage. The circuit has a direct current (DC) power supply, a power switch circuit comprising at least one power switch, and a control circuit to turn off the power switch circuit when a rotor associated with the circuit is in an identified rotor position, rotor magnet polarity, or speed relative to the AC line voltage. The circuit also has at least one non-collapsing DC power supply component to prevent the DC power supply from collapsing when the at least one power switch is on and conducting during at least a portion of a cycle. One or more of the DC power supply, power switch circuit, and control circuit may be at a midpoint of the phase windings.
109 DIVIDED PHASE AC SYNCHRONOUS MOTOR CONTROLLER US15010867 2016-01-29 US20170170768A1 2017-06-15 Charles J. Flynn; Cooper N. Tracy
A circuit includes phase windings to receive alternating current (AC) line voltage. The circuit has a direct current (DC) power supply, a power switch circuit comprising at least one power switch, and a control circuit to turn off the power switch circuit when a rotor associated with the circuit is in an identified rotor position, rotor magnet polarity, or speed relative to the AC line voltage. The circuit also has at least one non-collapsing DC power supply component to prevent the DC power supply from collapsing when the at least one power switch is on and conducting during at least a portion of a cycle. One or more of the DC power supply, power switch circuit, and control circuit may be at a midpoint of the phase windings.
110 DIVIDED PHASE AC SYNCHRONOUS MOTOR CONTROLLER US14991683 2016-01-08 US20160126876A1 2016-05-05 Charles J. Flynn; Cooper N. Tracy
A circuit includes phase windings, a power switch circuit comprising at least one power switch at a midpoint of the phase windings, a direct current (DC) supply circuit at the midpoint of the phase windings, and one or more non-collapsing DC power supply components to prevent the DC power supply from collapsing when the at least one power switch is on and conducting during one or more portions of a cycle. The one or more non-collapsing DC power supply components each may include one or more of a tap from one of the phase windings electrically connected to the DC power supply, a secondary phase coil winding connected to the DC power supply to power the power supply, one or more resistors between the one of the phase windings and the power switch circuit, one or more Zener diodes between one of the phase windings and the power switch circuit, and/or an electrical component to create a voltage drop between one of the phase windings and the power switch circuit to prevent the power supply from collapsing when the at least one power switch in the power switch circuit is on and conducting.
111 Drive battery for in-phase operation of an electric motor, drive system and a method for operating the drive system US14889375 2014-05-07 US20160118922A1 2016-04-28 Uwe RAUSCHER
A drive battery for n-phase operation of an electric motor includes at least 2*n battery strings each including a plurality of series-connected battery cells. At least one battery cell per battery string is selectively connectable and disconnectable from the particular battery string by activation of a coupling circuit associated with the particular battery cell. Each battery string is also connectable to one of 2*n pole windings of an n-phase operable electric motor, where nεN+ and n>1. Two of the at least 2*n battery strings are each designed to generate an always phase-synchronous alternating voltage by activation of the coupling circuits of their particular battery cells.
112 Divided Phase AC Synchronous Motor Controller US14821137 2015-08-07 US20160043682A1 2016-02-11 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.
113 Modular Motor Drive Communication System and Method US14632076 2015-02-26 US20150249420A1 2015-09-03 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.
114 PORTABLE SERVICE CONTROLLER FOR ELECTRO-MECHANICAL ACTUATORS US13690400 2012-11-30 US20140152200A1 2014-06-05 Harald Klode; Albert K. Pant
A portable service controller for controlling an electro-mechanical actuator, the portable service controller includes a battery configured to power the portable service controller and a user interface configured to receive input from a user and to responsively generate an input signal. The portable service controller also includes a phase sequencer configured to convert the input signal into a series of timed output signals and a driver circuit configured to convert the series of timed output signals into inverter gating signals. The portable service controller further includes a three-phase brushless motor inverter configured to convert inverter gating signals into control signals for a brushless motor of the electro-mechanical actuator. The portable service controller contains a motor brake on/off circuitry for engaging and disengaging the electro-mechanical actuator motor brake. The battery, the three-phase brushless motor inverter, the driver circuit, the phase sequencer and the user interface are all disposed in a housing.
115 Rotating electric machine and drive system thereof US12511732 2009-07-29 US08283830B2 2012-10-09 Yukinari Fujisawa; Toshihiko Sakai
In a rotating electric machine, each phase of a plurality of three-phase windings is divided into a plurality of partial windings, disposed on a stator core. For example, the partial windings of the U-phase are distributively arranged on four U-phase winding areas 2U1 to 2U4, and on each of these winding areas, two partial windings overlap through a pair of slots between which two teeth are interposed. At each coincident location of a pair of slots, two partial windings of different three-phase windings overlap. For example, a pair of slots on the U-phase winding area 2U1, a partial winding UA1 of a U-phase winding UA and a partial winding UB3 of a U-phase winding UB overlap. At a pair of slots on the U-phase winding area 2U1, a partial winding UG2 of a U-phase winding UG and a partial winding UB2 of a U-phase winding UB overlap.
116 Asynchronous AC induction electrical machines in cross-interlockingly parallel connection US12382951 2009-03-27 US08203303B2 2012-06-19 Tai-Her Yang
At least two asynchronous AC induction electrical machines in series connection with the power source are respectively made with the main winding and control winding for operating the electrical machines, wherein the individually driven loading operations of the two electrical machines in cross-interlockingly series connection being series connected with the power source are led by the changes of individual electrical machine driving loading statuses to appear variable impedance operation so as to change the end voltage ratio between individual electrical machines in cross-interlockingly series connections.
117 Mitigation of Harmonic Currents and Conservation of Power in Non-Linear Load Systems US13018139 2011-01-31 US20110121775A1 2011-05-26 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.
118 Multiple prime power source locomotive control US11912389 2006-04-25 US07906862B2 2011-03-15 Frank Donnelly; Andrew Tarnow; Bruce Wolff; John Watson
A control strategy for operating a plurality of prime power sources during propulsion, idling and braking and is applicable to large systems such as trucks, ships, cranes and locomotives utilizing diesel engines, gas turbine engines, other types of internal combustion engines, fuel cells or combinations of these that require substantial power and low emissions utilizing multiple power plant combinations. It is directed at a general control strategy for multi-engine systems where the power systems need not be of the same type or power rating and may even use different fuels. It is based on a common DC bus electrical architecture so that prime power sources need not be synchronized.
119 Power output apparatus and vehicle having the same US11663190 2005-09-26 US07819213B2 2010-10-26 Hichirosai Oyobe; Tetsuhiro Ishikawa; Yukihiro Minezawa
A power output apparatus generates a commercial AC voltage across neutral points of first and second motor generators. The power output apparatus includes a leakage detecting device, and upon detection of leakage by the leakage detecting device, causes an AC output cutoff circuit to operate and also shuts down one or both of the first and second motor generators according to the operational states at the time. Further, the leakage detecting device performs checking of the leakage detecting function in response to a test signal from a control device, before outputting the commercial AC voltage.
120 Pre-Charging An Inverter Using An Auxiliary Winding US12393229 2009-02-26 US20100213921A1 2010-08-26 Mehdi Abolhassani; Thomas Keister; Alex Skorcz; Ryan Edwards; Enrique Ledezma
A transformer module includes a main primary winding coupled to a first input power source to receive a medium voltage signal, multiple main secondary windings each to couple to a power cell of a drive system, and an auxiliary primary winding coupled to a second input power source to receive a low voltage signal. The auxiliary primary winding can be spatially separated from the main windings to increase leakage inductance. The auxiliary primary winding can be active during a pre-charge operation to pre-charge the power cells.
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