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公开(公告)号：US4533986A
公开(公告)日：1985-08-06
申请号：US547376
申请日：1983-10-31
Applicant: Dwight V. Jones
Inventor： Dwight V. Jones
CPC classification number: H02M1/4208 , H02M3/155 , H02M3/3376 , H02M1/4225 , H02M2001/007 , H02P2201/05 , H02P2201/09 , Y02B70/126 , Y02B70/1433
Abstract: The present invention relates to a compact electrical power supply which derives electrical energy from a low frequency medium voltage source (e.g. a 120 V 60 Hz ac main), and converts the electrical energy to a low voltage format suitable for solid state signal processing equipment. The supply entails in succession bridge rectification means, a dc-dc boost converter, a capacitor storage bank, and a half bridge converter, either resonantly or non-resonantly operated. The converters operate at frequencies substantially above audible frequencies in the interests of compactness. The design provides a high input power factor (inductive) with minimum EMT, and provides a lengthened voltage hold up after loss of power.
Abstract translation: 本发明涉及一种从低频中压电源（例如120V 60Hz交流主电源）获得电能并将电能转换成适合于固态信号处理设备的低电压格式的紧凑型电源。 供应需要串联整流装置，直流 - 直流升压转换器，电容器存储体和半桥转换器，可以共振或非共振操作。 为了紧凑性，转换器以大致高于可听频率的频率工作。 该设计提供了具有最小EMT的高输入功率因数（电感），并且在断电后提供延长的电压保持。
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公开(公告)号：US11757395B2
公开(公告)日：2023-09-12
申请号：US17390384
申请日：2021-07-30
Applicant: DENSO CORPORATION
Inventor： Yoshihiro Shamoto , Hiroyuki Oyanagi
IPC: H02P27/08 , H02M7/5387 , H02M3/158
CPC classification number: H02P27/085 , H02M7/53871 , H02P27/08 , H02M3/158 , H02P2201/09
Abstract: An electric motor control device includes an electronic control unit configured to perform switching control of a switching element of an inverter in PWM control mode when a modulation degree is less than a first predetermined value, perform switching control of the switching element in square wave control mode when the modulation degree is greater than or equal to a second predetermined value, and perform switching control of the switching element in intermediate control mode when the modulation degree is greater than or equal to the first predetermined value and less than the second predetermined value. The intermediate control mode uses a switching pattern in which, in a pulse pattern in the square wave control mode, a slit or a short pulse having the same width as the slit is formed according to whether a pulse is present at the time when a phase current crosses zero.
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公开(公告)号：US11699972B2
公开(公告)日：2023-07-11
申请号：US16549181
申请日：2019-08-23
Applicant: Johnson Controls Technology Company
Inventor： Samuel A. Hanchett
CPC classification number: H02P29/64 , G06F1/3206 , G06F13/4077 , H02P29/62 , H02P29/68 , H02P2201/09
Abstract: The present disclosure includes techniques for implementing a variable speed drive (VSD) in an environmental conditioning system to facilitate mitigating or eliminating system faults. The variable speed drive drives a motor during on-cycles and heats motor windings of the motor during off-cycles. The variable speed motor drive includes a rectifier that converts alternative-current (AC) power input to a direct-current (DC) power output, a DC bus that is coupled to the rectifier and includes a DC bus transistor, and an inverter. The DC bus transistor pre-charges a DC capacitor of the DC bus to drive the motor during on-cycles and receives a gate pulse with a duty cycle based on a differential temperature, where the gate pulse heats the motor windings. The inverter receives the gate pulse applied to the DC bus transistor and transmits it a motor winding to prevent moisture on the motor winding.
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324.发明申请公开(公告)号：US20180342950A1
公开(公告)日：2018-11-29
申请号：US15946140
申请日：2018-04-05
Applicant: WHIRLPOOL CORPORATION
Inventor： DANIEL QUINN
CPC classification number: H02M3/073 , D06F33/02 , D06F35/005 , D06F37/304 , D06F2202/02 , D06F2202/04 , D06F2202/10 , D06F2202/12 , H02M1/10 , H02M1/32 , H02P27/04 , H02P2201/09
Abstract: A circuit that increases input voltage to higher output voltage connected to a variable frequency drive in an appliance. Several switching arrangements, timing, and safety mechanisms are in place to assist. When the circuit experiences high draw, high voltage output values of circuit decrease over time, but different aspects of the circuit can be constructed so that the amount of time required at a higher voltage does not exceed the amount of time in which the high voltage output is provided.
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公开(公告)号：US10056858B2
公开(公告)日：2018-08-21
申请号：US15424008
申请日：2017-02-03
Applicant: ARM Limited
Inventor： David Victor Pietromonaco
CPC classification number: H02P25/092 , B60L50/40 , B60L2220/54 , H02K11/22 , H02M3/155 , H02M3/158 , H02M3/1582 , H02M3/1584 , H02M2001/0064 , H02M2003/1552 , H02M2003/1586 , H02P25/08 , H02P2201/07 , H02P2201/09 , Y02T10/641 , Y02T10/642 , Y02T10/7022
Abstract: Apparatus is provided comprising an electrical motor comprising a rotor and a stator, the rotor comprising a plurality of rotor teeth and the stator comprising a plurality of stator teeth. The apparatus has a driver circuit to drive the electrical motor comprising a boost converter comprising a charge storage element and coupled to a first terminal of a coil winding on at least one of the plurality of stator teeth, and a buck converter comprising the same charge storage element and coupled to the same first terminal of the coil winding on the at least one of the plurality of stator teeth. An inductive element of the boost converter and the buck converter is provided by the coil winding of the at least one of the plurality of stator teeth, and the charge storage element is referenced to a supply node for coupling the second terminal of the coil winding to an electrical supply.
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Patent Agency Ranking
公开(公告)号：US20180229618A1
公开(公告)日：2018-08-16
申请号：US15432845
申请日：2017-02-14
Inventor： Jae Seung Lee , Jongwon Shin , Ercan M. Dede
CPC classification number: B60L50/13 , B60L15/007 , B60L53/14 , B60L53/22 , B60L53/24 , B60L55/00 , B60L58/12 , B60L2210/10 , B60L2210/30 , B60L2210/40 , H02P2201/09 , Y02E60/721 , Y02T10/645 , Y02T10/70 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7072 , Y02T10/7077 , Y02T10/7216 , Y02T10/7241 , Y02T90/121 , Y02T90/127 , Y02T90/128 , Y02T90/14 , Y02T90/163 , Y04S10/126
Abstract: Methods, systems, and apparatus for an electric vehicle. The system includes a battery control unit configured to be in a grid-connected mode or a stand-alone mode. The system includes a shared boost converter connected to a battery. The shared boost converter receives alternating current (AC) power, steps up voltage and converts the AC power to direct current (DC) power when the battery control unit is in the grid-connected mode. The shared boost converter receives DC power from the battery and steps up voltage when the battery control unit is in the stand-alone mode. The system also includes an inverter configured to receive the stepped up DC power when the battery control unit is in the stand-alone mode and convert the DC power to AC power. The system also includes a motor/generator connected to the inverter and configured to receive AC power for powering a drivetrain of the electric vehicle.
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公开(公告)号：US20180201137A1
公开(公告)日：2018-07-19
申请号：US15869619
申请日：2018-01-12
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Takahiko HIRASAWA , Junmin CAO
CPC classification number: B60L3/003 , B60K6/445 , B60K6/46 , B60L15/007 , B60L50/13 , B60L50/61 , B60L2210/10 , B60L2210/14 , B60L2210/40 , B60L2220/42 , B60L2240/52 , B60L2240/80 , B60W20/50 , H02P6/04 , H02P6/12 , H02P27/08 , H02P29/0241 , H02P2201/09 , Y02T10/7258 , Y10S903/903
Abstract: A motor vehicle comprises a motor configured to input and output power for driving; an inverter configured to drive the motor; a power storage device configured to transmit electric power to and from the motor; a system main relay configured to connect and disconnect the power storage device with and from a power line on an inverter-side; and a control device configured to enable the motor vehicle to be driven with turning on the system main relay according to a predetermined procedure in response to a system on-operation. The motor vehicle does not perform failure diagnosis of the inverter when an abnormality signal of the inverter is generated before a predetermined time after the system main relay is turned on in response to the system on-operation, while performing the failure diagnosis when the abnormality signal of the inverter is generated after the predetermined time.
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公开(公告)号：US09800077B2
公开(公告)日：2017-10-24
申请号：US15024393
申请日：2013-11-26
Applicant: Mitsubishi Electric Corporation
Inventor： Kazunori Hatakeyama , Keisuke Uemura , Yosuke Shinomoto
IPC: G05F1/70 , H02J7/00 , H02M1/12 , H02M1/32 , H02M1/42 , H02M3/158 , H02M7/06 , H02M7/487 , H02M7/5387 , H02M7/5395 , H02P27/08 , H02M1/00 , H02J7/34
CPC classification number: H02J7/0072 , H02J7/0026 , H02J7/345 , H02M1/12 , H02M1/32 , H02M1/4216 , H02M1/4225 , H02M3/158 , H02M7/06 , H02M7/487 , H02M7/5387 , H02M7/5395 , H02M2001/007 , H02P27/085 , H02P2201/09 , Y02B70/126
Abstract: The DC power-supply device includes a rectifier circuit rectifying an alternating current, a reactor connected to an input or output side of the rectifier circuit, a first capacitor and a second capacitor serially connected between output terminals to a load, and a charging unit that selectively charges one or both of the first capacitor and the second capacitor. A ratio, to a period obtained by combining a charging period and a non-charging period of a pair of the first capacitor and the second capacitor, of the non-charging period, is controlled according to an operating condition of the load, to change a charging frequency of the first capacitor and the second capacitor based on the ratio, at the time of controlling an output voltage to the load.
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公开(公告)号：US09762152B2
公开(公告)日：2017-09-12
申请号：US14342611
申请日：2012-09-05
Applicant: Kenji Yamada , Yasuhiro Nakai
Inventor： Kenji Yamada , Yasuhiro Nakai
IPC: H02P1/54 , H02P5/00 , H02P5/46 , H02P6/04 , B60L15/02 , H02P27/06 , H02P23/00 , H02P21/22 , H02P5/68
CPC classification number: H02P6/04 , B60L15/02 , H02P5/68 , H02P21/22 , H02P23/009 , H02P27/06 , H02P2006/045 , H02P2201/09 , Y02T10/644 , Y02T10/645 , Y02T10/646
Abstract: A motor control system includes: a converter; two inverters; two alternating-current motors; and a control unit. The control unit is configured to control the system voltage by feedback of a current phase of a current vector of motor current of each of the motors on a d-q coordinate plane so that rectangular wave control of at least one of the first and second motors is performed in a state where the current phase is an optimal current phase, wherein the control unit selects, as a subject of the feedback, the current phase of one of the motors that is larger than the other motor in system voltage deviation obtained based on the current vector.
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公开(公告)号：US09712101B2
公开(公告)日：2017-07-18
申请号：US15119178
申请日：2015-01-23
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Shohei Oi
CPC classification number: H02P27/085 , H02P6/085 , H02P2201/09
Abstract: A motor control system include an inverter configured to convert boosted direct-current electric power output from a boost converter to alternating-current electric power and supply the alternating-current electric power to an alternating current motor, and a control unit configured to adjust boosted voltage of the boost converter. The control unit includes an optimal boosted voltage map which defines optimal boosted voltage for operating the alternating current motor with a required number of revolutions and required torque, and a boosted voltage changing program that sets boosted voltage of the boost converter to a voltage which is higher than an optimal boosted voltage when the carrier frequency is a predetermined threshold value or lower.
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