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公开(公告)号：US20190067950A1
公开(公告)日：2019-02-28
申请号：US15685072
申请日：2017-08-24
发明人： Jinhui Zhang , Paul Robert Gemin , Arthur Vorwerk Radun , David Andrew Woodburn , Matthew Bruce Lemon
摘要： An apparatus and method of operating a set of generators supplying power to a common power bus, includes obtaining a first generator speed signal and a second generator speed signal, determining a common mode torsional oscillation value and a differential mode torsional oscillation value, determining a first generator share command and a second generator share command based on the common mode torsional oscillation value and the differential mode torsional oscillation value, and applying the first and second generator share commands.
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公开(公告)号：US10141875B2
公开(公告)日：2018-11-27
申请号：US15549415
申请日：2015-02-18
发明人： Hao Huang , Jinhui Zhang
IPC分类号： H02K7/20 , H02P9/04 , H02P9/30 , H02P21/32 , H02M7/06 , H02P9/48 , H02P9/08 , H02P103/20 , H02P101/30
摘要： An aircraft starting and generating system includes a starter/generator that includes a main machine, an exciter, and a permanent magnet generator. The system also includes an inverter/converter/controller that is connected to the starter/generator and that generates AC power to drive the starter/generator in a start mode for starting a prime mover of the aircraft, and that converts AC power, obtained from the starter/generator after the prime mover have been started, to DC power in a generate mode of the starter/generator. A main bridge gate driver is configured to drive a MOSFET-based bridge during start mode using Space Vector Pulse Width Modulation (SVPWM) and during generate mode using reverse conduction based inactive rectification.
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公开(公告)号：US11108242B2
公开(公告)日：2021-08-31
申请号：US15369852
申请日：2016-12-05
发明人： Jinhui Zhang , Slobodan Gataric
摘要： There is provided a system for use with a set of generators. The system includes a processor and a memory including instructions that, when executed by the processor, cause the processor to perform certain operations. The operations can include receiving a command and receiving a signal indicative of a current of at least one generator in the set of generators. The operations can further include causing, based on the command and the signal, a controller to adjust a voltage level of at least one other generator in the set of generators.
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公开(公告)号：US10693403B2
公开(公告)日：2020-06-23
申请号：US15467471
申请日：2017-03-23
摘要： An apparatus and method for a generator assembly for a drive train such as a rotatable turbine engine assembly. The generator assembly includes at least first and second generators mechanically coupled to the drive train. First and second dampers are operably coupled to the first and second generators, respectively, to selectively damp the first and second generators. Damping the first and second generators can reduce or eliminate both common mode and differential mode torsional oscillations from the generators to the drive train.
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公开(公告)号：US20140167516A1
公开(公告)日：2014-06-19
申请号：US13716426
申请日：2012-12-17
发明人： Slobodan Gataric , Jinhui Zhang
IPC分类号： H02J1/10
CPC分类号： H02J1/12 , Y10T307/718
摘要： A circuit and method for allocating power among two or more generators to a single load on a shared bus includes a sharing regulator and a feedback loop for each generator. A digital share command input and current in the feedback loops will cause the sharing regulators to alter the power of the generators at the generator outputs, thereby allocating the load on the shared bus according to the share command, and confirming the allocation of power at the outputs.
摘要翻译： 用于在两个或多个发生器之间将功率分配给共享总线上的单个负载的电路和方法包括用于每个发电机的共享调节器和反馈回路。 反馈环路中的数字共享命令输入和电流将使得共享调节器改变发电机输出端的发电机的功率，从而根据共享命令在共享总线上分配负载，并确认在 输出。
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公开(公告)号：US20180278188A1
公开(公告)日：2018-09-27
申请号：US15467471
申请日：2017-03-23
摘要： An apparatus and method for a generator assembly for a drive train such as a rotatable turbine engine assembly. The generator assembly includes at least first and second generators mechanically coupled to the drive train. First and second dampers are operably coupled to the first and second generators, respectively, to selectively damp the first and second generators. Damping the first and second generators can reduce or eliminate both common mode and differential mode torsional oscillations from the generators to the drive train.
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公开(公告)号：US20170126018A1
公开(公告)日：2017-05-04
申请号：US14927631
申请日：2015-10-30
发明人： Ryan Buffenbarger , Jinhui Zhang
摘要： Systems and methods for transferring power delivery between power sources to an electrical bus are provided. More particularly, a multi-source electrical power system can include an electrical bus having at least two power sources that each can be selectively coupled to the electrical bus, for instance, via contactors. At least one of the power sources can include a unidirectional or bidirectional power converter. The electrical power system can further include a control system configured to control the power output (e.g., the output voltage and the output current) of the power converter to provide no break power transfer of power delivery to the electrical bus between the first and second power sources. In example embodiments, the no break power transfer can be achieved by regulating the output current of a power source to a fixed current value and/or by using a virtual resistance programmed into a voltage regulator.
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公开(公告)号：US09257838B2
公开(公告)日：2016-02-09
申请号：US13716426
申请日：2012-12-17
发明人： Slobodan Gataric , Jinhui Zhang
CPC分类号： H02J1/12 , Y10T307/718
摘要： A circuit and method for allocating power among two or more generators to a single load on a shared bus includes a sharing regulator and a feedback loop for each generator. A digital share command input and current in the feedback loops will cause the sharing regulators to alter the power of the generators at the generator outputs, thereby allocating the load on the shared bus according to the share command, and confirming the allocation of power at the outputs.
摘要翻译： 用于在两个或多个发生器之间将功率分配给共享总线上的单个负载的电路和方法包括用于每个发电机的共享调节器和反馈回路。 反馈环路中的数字共享命令输入和电流将使得共享调节器改变发电机输出端的发电机的功率，从而根据共享命令在共享总线上分配负载，并确认在 输出。
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公开(公告)号：US10256638B2
公开(公告)日：2019-04-09
申请号：US15685072
申请日：2017-08-24
发明人： Jinhui Zhang , Paul Robert Gemin , Arthur Vorwerk Radun , David Andrew Woodburn , Matthew Bruce Lemon
摘要： An apparatus and method of operating a set of generators supplying power to a common power bus, includes obtaining a first generator speed signal and a second generator speed signal, determining a common mode torsional oscillation value and a differential mode torsional oscillation value, determining a first generator share command and a second generator share command based on the common mode torsional oscillation value and the differential mode torsional oscillation value, and applying the first and second generator share commands.
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公开(公告)号：US09966764B2
公开(公告)日：2018-05-08
申请号：US14927631
申请日：2015-10-30
发明人： Ryan Buffenbarger , Jinhui Zhang
摘要： Systems and methods for transferring power delivery between power sources to an electrical bus are provided. More particularly, a multi-source electrical power system can include an electrical bus having at least two power sources that each can be selectively coupled to the electrical bus, for instance, via contactors. At least one of the power sources can include a unidirectional or bidirectional power converter. The electrical power system can further include a control system configured to control the power output (e.g., the output voltage and the output current) of the power converter to provide no break power transfer of power delivery to the electrical bus between the first and second power sources. In example embodiments, the no break power transfer can be achieved by regulating the output current of a power source to a fixed current value and/or by using a virtual resistance programmed into a voltage regulator.
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