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公开(公告)号：US10240839B2
公开(公告)日：2019-03-26
申请号：US14849866
申请日：2015-09-10
Applicant: TRANE INTERNATIONAL INC.
Inventor： Benjamin James Sykora , Nathan Thomas West , Pavak Mehta
Abstract: An exemplary system includes a compressor, a condenser, an expander, and an evaporator fluidly coupled to form a vapor-compression circuit, and an electric motor configured to drive the compressor. An inverter having a plurality of switching elements is configured to provide an output voltage to the electric motor through operation of the switching elements. A waste heat recovery circuit is configured to transfer waste heat from the inverter to a load. A controller is configured provide switching commands to the switching elements of the inverter. The controller is further configured to sense a condition of the system, determine a heat production requirement based at least in part upon the system condition, and to vary the number of switching commands per unit time based at least in part upon the heat production requirement.
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公开(公告)号：US20150327399A1
公开(公告)日：2015-11-12
申请号：US14802294
申请日：2015-07-17
Applicant: Trane International Inc.
IPC: H05K7/20
CPC classification number: H05K7/20254 , H01L23/427 , H01L2924/0002 , H02P27/04 , H02P29/60 , H05K7/20945 , H01L2924/00
Abstract: Operation of a variable frequency in a manner configured to avoid overheating is provided. In one form, a method includes providing a variable frequency drive that includes a switching device in thermal communication with a heat sink including a thermal mass. The method further includes operating the drive in a first mode before active cooling of the heat sink is established and a second mode following the first mode. Operation of the drive in the first mode includes operating the switching device in a first switching frequency mode, and the first switching frequency mode and the thermal mass of the heat sink are selected to provide a temperature of the switching device below a predetermined threshold before active cooling of the heat sink is established. Further embodiments, forms, features, and aspects shall become apparent from the description and drawings.
Abstract translation: 提供以避免过热的方式操作可变频率。 在一种形式中，一种方法包括提供包括与包括热质量的散热器热连通的开关装置的变频驱动器。 该方法还包括在建立散热器的主动冷却之前以第一模式操作驱动器，以及在第一模式之后的第二模式。 在第一模式中的驱动器的操作包括以第一开关频率模式操作开关装置，并且选择散热器的第一开关频率模式和热质量以在开关之前将开关装置的温度提高到预定阈值以下 确定了散热器的冷却。 从描述和附图，其他实施例，形式，特征和方面将变得显而易见。
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公开(公告)号：US10746448B2
公开(公告)日：2020-08-18
申请号：US15495269
申请日：2017-04-24
Applicant: TRANE INTERNATIONAL INC.
Inventor： Benjamin James Sykora , Nathan Thomas West , David Marshall Foye , Dennis Myron Beekman , Korwin Jay Anderson , Robert Bakkestuen
IPC: F25B49/02 , F04C28/28 , F04C18/16 , F25B31/02 , F04C18/02 , F04C28/04 , F04C28/08 , F04C29/00 , G05D23/00 , F25B1/00
Abstract: A system includes a refrigerant compressor, an electric motor and configured to drive the refrigerant compressor, and a controller. The controller is configured to operate the compressor in a liquid clearing start mode where electrical current through the motor is prevented from exceeding a predetermined current limit for a period of time not to exceed a predetermined period of time, and is configured to operate the compressor in a run mode in response to determining the motor exceeds a predetermined speed threshold at or before expiration of the predetermined period of time, wherein the run mode does not prevent electrical current through the motor from exceeding said predetermined current limit.
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公开(公告)号：US09605886B2
公开(公告)日：2017-03-28
申请号：US14168346
申请日：2014-01-30
Applicant: Trane International Inc.
Inventor： Nathan Thomas West , Dennis Myron Beekman , David Marshall Foye , Korwin Jay Anderson , Benjamin James Sykora
CPC classification number: F25B49/022 , F04B49/065 , F04B49/20 , F04C18/0215 , F04C28/06 , F04C28/08 , F04D27/0261 , F25B1/04 , F25B2600/021 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151 , F25B2700/21152 , Y02B30/741
Abstract: Systems and methods are used to control operation of a rotary compressor of a refrigeration system to limit or prevent movement of rotors due to axial thrust loading resulting from rapid changes in speed of the rotors of the compressor. The operational profile of the motor is controlled to maintain acceleration torque and deceleration torque within predefined limits. The acceleration torque and deceleration torque are maintained within the predefined limits by controlling the speed of the motor, or by controlling the torque applied by the motor to the rotors during acceleration or deceleration.
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5.发明申请公开(公告)号：US20150330693A1
公开(公告)日：2015-11-19
申请号：US14813348
申请日：2015-07-30
Applicant: Trane International Inc.
Inventor： Benjamin James Sykora , Nathan Thomas West , David Marshall Foye
IPC: F25B49/02
Abstract: Apparatuses, methods, and systems of multiple load control for variable frequency drive harmonic mitigation are disclosed. An exemplary embodiment includes a system including a plurality of loads including at least one compressor configured to compress refrigerant. The plurality of loads are driven by a plurality of electric motors. The plurality of electric motors are driven by a plurality of variable frequency drives. The plurality of variable frequency drives are electrically coupled to an AC source. In operation a desired cooling capacity of the system is determined, a harmonic mitigation control parameter is determined, and output of one or more of the variable frequency drives is activated, deactivated, adjusted or modulated to reduce the input harmonics and provide the desired cooling capacity.
Abstract translation: 公开了用于变频驱动谐波抑制的多重负载控制的装置，方法和系统。 示例性实施例包括包括多个负载的系统，所述负载包括构造成压缩制冷剂的至少一个压缩机。 多个负载由多个电动机驱动。 多个电动机由多个变频驱动器驱动。 多个可变频率驱动器电耦合到AC电源。 在操作中，确定系统的期望的冷却能力，确定谐波缓解控制参数，并且激活，去激活，调节或调制一个或多个变频驱动器的输出，以减少输入谐波并提供所需的制冷量 。
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Patent Agency Ranking
公开(公告)号：US20170167769A1
公开(公告)日：2017-06-15
申请号：US15443287
申请日：2017-02-27
Applicant: TRANE INTERNATIONAL INC.
Inventor： NATHAN THOMAS WEST , Dennis Myron Beekman , David Marshall Foye , Korwin Jay Anderson , Benjamin James Sykora
CPC classification number: F25B49/022 , F04B49/065 , F04B49/20 , F04C18/0215 , F04C28/06 , F04C28/08 , F04D27/0261 , F25B1/04 , F25B2600/021 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151 , F25B2700/21152 , Y02B30/741
Abstract: Systems and methods are used to control operation of a rotary compressor of a refrigeration system to limit or prevent movement of rotors due to axial thrust loading resulting from rapid changes in speed of the rotors of the compressor. The operational profile of the motor is controlled to maintain acceleration torque and deceleration torque within predefined limits. The acceleration torque and deceleration torque are maintained within the predefined limits by controlling the speed of the motor, or by controlling the torque applied by the motor to the rotors during acceleration or deceleration.
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公开(公告)号：US09654049B2
公开(公告)日：2017-05-16
申请号：US14806055
申请日：2015-07-22
Applicant: Trane International Inc.
Inventor： Nathan Thomas West , Benjamin James Sykora , David Marshall Foye , Korwin Jay Anderson , William James Walters
Abstract: Variable frequency drive active harmonic mitigation controls and diagnostics are disclosed. Exemplary controls and diagnostics include operating a variable frequency drive including converting an AC input line voltage to a DC voltage, generating a motor drive signal using the DC voltage, and driving an electric motor with the motor drive signal. A harmonic mitigation signal is provided to the drive configured to at least partially mitigate harmonics during the operation of the drive. The harmonic mitigation signal is inhibited based upon presence of an error condition associated with the drive input. The inhibiting is terminated based upon the absence of the error condition. A diagnostic fault condition based upon a number of occurrences of the error condition.
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公开(公告)号：US09654048B2
公开(公告)日：2017-05-16
申请号：US14791858
申请日：2015-07-06
Applicant: Trane International Inc.
Inventor： Nathan Thomas West , Benjamin James Sykora , Korwin Jay Anderson , Matthew August Shepeck , David Marshall Foye
IPC: H02P23/00 , H02P29/024 , H02P29/02 , H02P1/02 , H02M1/32 , H02M1/36 , H02M7/5387 , G01R31/42 , H02M5/458 , G01R31/02
CPC classification number: H02P29/024 , G01R31/025 , G01R31/026 , G01R31/42 , H02M1/32 , H02M1/36 , H02M5/458 , H02M7/53871 , H02P1/022 , H02P29/0241
Abstract: Diagnostic and/or control methods, systems and apparatuses for variable frequency drives are disclosed. The variable frequency drive may be controlled by a controller that may conduct one or more tests or evaluations. The tests or evaluations may include determining whether a switching device in the variable frequency drive is open-circuited, short-circuited, or operating normally. The tests may include determining whether current provided at an inverter output of the variable frequency drive is within a predetermined range. An exemplary embodiment evaluates the drive for a short circuit condition, an open circuit condition, and a sensor error or failure condition, controls operation of the drive based upon these one or more evaluations, may abort operation of the drive based upon one or more evaluations, and may set a fault code indicative of the type of error encountered.
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公开(公告)号：US20140216081A1
公开(公告)日：2014-08-07
申请号：US14168346
申请日：2014-01-30
Applicant: Trane International Inc.
Inventor： Nathan Thomas West , Dennis Myron Beekman , David Marshall Foye , Korwin Jay Anderson , Benjamin James Sykora
CPC classification number: F25B49/022 , F04B49/065 , F04B49/20 , F04C18/0215 , F04C28/06 , F04C28/08 , F04D27/0261 , F25B1/04 , F25B2600/021 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151 , F25B2700/21152 , Y02B30/741
Abstract: Systems and methods are used to control operation of a rotary compressor of a refrigeration system to limit or prevent movement of rotors due to axial thrust loading resulting from rapid changes in speed of the rotors of the compressor. The operational profile of the motor is controlled to maintain acceleration torque and deceleration torque within predefined limits. The acceleration torque and deceleration torque are maintained within the predefined limits by controlling the speed of the motor, or by controlling the torque applied by the motor to the rotors during acceleration or deceleration.
Abstract translation: 系统和方法用于控制制冷系统的旋转压缩机的操作，以限制或防止由于压缩机的转子的速度的快速变化而导致的轴向推力负载的转子的运动。 控制电动机的运行特性，以将加速转矩和减速转矩保持在预定义的限度内。 加速转矩和减速转矩通过控制电机的速度，或通过控制加速或减速期间电机对转子施加的转矩，保持在预定义的限度内。
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公开(公告)号：US10598551B2
公开(公告)日：2020-03-24
申请号：US16055886
申请日：2018-08-06
Applicant: Trane International, Inc.
Inventor： Benjamin James Sykora , Nathan Thomas West
Abstract: Temperature value determination of at least one variable frequency drive component is provided. In one form, a method includes providing a variable frequency drive that includes a first component in thermal communication with a second component in thermal communication with a switching device. A temperature value of the second component is determined using a temperature value of the first component, a power loss characteristic of the drive, and a first characteristic of heat transfer between the first and second components. The method further includes sensing a temperature value of the second component and determining a temperature value for the switching device using the power loss characteristic, a second characteristic of heat transfer between the second component and the switching device, and the greater of the sensed and determined temperature values of the second component. Further embodiments, forms, features, and aspects shall become apparent from the description and drawings.
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