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    ELECTRIFIED VEHICLE CONTROL TO DETECT STATUS OF INDIVIDUAL PHASES OF THREE-PHASE MOTOR
    1.
    发明申请
    ELECTRIFIED VEHICLE CONTROL TO DETECT STATUS OF INDIVIDUAL PHASES OF THREE-PHASE MOTOR 有权

    公开(公告)号：US20220158572A1

    公开(公告)日：2022-05-19

    申请号：US16951742

    申请日：2020-11-18

    申请人： Ford Global Technologies, LLC

    发明人： Xuemei SUN ,  Papiya BAGCHI ,  Rimma PARANSKY ,  Anish DASARI ,  Vishal SRIVASTAVA

    IPC分类号： H02P1/42 ,  B60L3/00 ,  H02P1/30 ,  H02P29/024

    摘要： An electrified vehicle includes a traction battery, an inverter coupled to the traction battery and operable to convert direct current (DC) power from the traction battery to three-phase alternating current (AC) power, a three-phase electric machine coupled to the inverter by associated cables, a sensor configured to generate a signal associated with rotational position of a rotor of the three-phase electric machine, a current sensor associated with each cable/phase of the three-phase electric machine, and a controller programmed to generate non-zero phase current at each of a plurality of predetermined regularly spaced rotational positions by either adjusting rotor angle or injecting q-axis current, command the inverter to inject a test current pulse to the electric machine, and generate a diagnostic signal in response to any one of the current sensor signals being less than an associated threshold to detect a cable or current sensor anomaly in a single phase.

    SYSTEM AND METHOD FOR RECHARGING DEPLETED HYBRID VEHICLE BATTERY
    3.
    发明申请
    SYSTEM AND METHOD FOR RECHARGING DEPLETED HYBRID VEHICLE BATTERY 有权

    公开(公告)号：US20210138922A1

    公开(公告)日：2021-05-13

    申请号：US16681544

    申请日：2019-11-12

    申请人： Ford Global Technologies, LLC

    发明人： Xuemei SUN ,  John Paul GIBEAU ,  William David TREHARNE

    IPC分类号： B60L53/60 ,  B60L1/00 ,  B60L3/00 ,  B60L3/04 ,  B60L3/12 ,  B60L50/16

    摘要： A system and method are disclosed for charging a depleted battery within a first hybrid vehicle when connected to a second hybrid vehicle using a junction box. The system may include a wire harness having high voltage interlock connectors (HVIL) and high voltage (HV) connectors that connected to both the first vehicle and second vehicle. The system may also include one or more controllers that engage the charged battery to start a first engine within the first vehicle or, alternatively, a second engine within the second vehicle. After the first engine or second engine is started, the charged battery will be disconnected and the depleted battery may be connected using a set of HV contactors. The first engine or the second engine may then be operated to charge the depleted battery. Charging may stop when the depleted battery is charged within a specified SoC range.

    ALTERNATING PASSIVE RECTIFICATION AND 3-PHASE-SHORT CONTROL FOR MOTOR FAULT PROTECTION
    7.
    发明申请
    ALTERNATING PASSIVE RECTIFICATION AND 3-PHASE-SHORT CONTROL FOR MOTOR FAULT PROTECTION 有权

    公开(公告)号：US20210226570A1

    公开(公告)日：2021-07-22

    申请号：US16747418

    申请日：2020-01-20

    申请人： Ford Global Technologies, LLC

    发明人： Xuemei SUN ,  Jiyao WANG ,  Hongjie WU ,  William REYNOLDS ,  Silong LI ,  Michael W. DEGNER

    IPC分类号： H02P29/024 ,  H02P27/08 ,  H02M7/5387

    摘要： A vehicle includes a traction battery, an inverter, and a controller. The inverter includes a plurality of pairs of switches. Each of the pairs includes an upper switch that is directly electrically connected with a positive terminal of the traction battery and a lower switch that is directly electrically connected with a negative terminal of the traction battery. The controller, responsive to presence of a fault condition and during each of consecutive switching periods, deactivates all of the switches for a predetermined portion of the switching period, activates only the upper switches for another predetermined portion of the switching period, deactivates all of the switches for yet another predetermined portion of the switching period, and activates only the lower switches for still yet another predetermined portion of the switching period.