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    • 2. 发明申请
    • PARALLEL CONTROL AND PROTECTION FOR UPS
    • UPS的并行控制和保护
    • US20130069432A1
    • 2013-03-21
    • US13235639
    • 2011-09-19
    • Mirza Akmal BegEyob DemissieVenkatraman ChennakesavanMichael J. Ingemi
    • Mirza Akmal BegEyob DemissieVenkatraman ChennakesavanMichael J. Ingemi
    • H02J9/00
    • H02J9/06H02J9/061Y10T307/615
    • According to one aspect, embodiments of the invention provide a method of operating a UPS system having a first UPS and a second UPS coupled in parallel to provide output power to a load from a power source, each of the first UPS and the second UPS having an inverter and having a bypass switch, with each UPS configured to operate in one of an inverter mode in which output power is derived from the power source through the inverter, and a bypass mode in which output power is derived from the power source bypassing the inverter, the method comprising powering on the first UPS and the second UPS in the inverter mode of operation, designating one of the first UPS and the second UPS as a master UPS, and controlling the bypass switch of the first UPS and the bypass switch of the second UPS using the master UPS.
    • 根据一个方面,本发明的实施例提供了一种操作UPS系统的方法,所述UPS系统具有并联耦合的第一UPS和第二UPS,以向来自电源的负载提供输出功率,所述第一UPS和所述第二UPS中的每一个具有 逆变器并具有旁路开关,其中每个UPS被配置为在逆变器模式中工作,其中通过逆变器从电源导出输出功率;以及旁路模式,其中输出功率来自绕过所述电源的输出功率 逆变器,该方法包括在逆变器工作模式下对第一UPS和第二UPS供电,将第一UPS和第二UPS中的一个指定为主UPS,并且控制第一UPS和旁路开关的旁路开关 第二台UPS使用主UPS。
    • 3. 发明授权
    • Parallel control and protection for UPS
    • UPS并联控制和保护
    • US09172271B2
    • 2015-10-27
    • US13235639
    • 2011-09-19
    • Mirza Akmal BegEyob DemissieVenkatraman ChennakesavanMichael J. Ingemi
    • Mirza Akmal BegEyob DemissieVenkatraman ChennakesavanMichael J. Ingemi
    • H02J9/00H02J9/06
    • H02J9/06H02J9/061Y10T307/615
    • According to one aspect, embodiments of the invention provide a method of operating a UPS system having a first UPS and a second UPS coupled in parallel to provide output power to a load from a power source, each of the first UPS and the second UPS having an inverter and having a bypass switch, with each UPS configured to operate in one of an inverter mode in which output power is derived from the power source through the inverter, and a bypass mode in which output power is derived from the power source bypassing the inverter, the method comprising powering on the first UPS and the second UPS in the inverter mode of operation, designating one of the first UPS and the second UPS as a master UPS, and controlling the bypass switch of the first UPS and the bypass switch of the second UPS using the master UPS.
    • 根据一个方面,本发明的实施例提供了一种操作UPS系统的方法,所述UPS系统具有并联耦合的第一UPS和第二UPS,以向来自电源的负载提供输出功率,所述第一UPS和所述第二UPS中的每一个具有 逆变器并具有旁路开关,其中每个UPS被配置为在逆变器模式中工作,其中通过逆变器从电源导出输出功率;以及旁路模式,其中输出功率来自绕过所述电源的输出功率 逆变器,该方法包括在逆变器工作模式下对第一UPS和第二UPS供电,将第一UPS和第二UPS中的一个指定为主UPS,并且控制第一UPS和旁路开关的旁路开关 第二台UPS使用主UPS。
    • 5. 发明申请
    • SYSTEMS AND METHODS FOR OPERATING AN UNINTERRUPTIBLE POWER SUPPLY
    • 用于操作不间断电源的系统和方法
    • US20130002024A1
    • 2013-01-03
    • US13173405
    • 2011-06-30
    • Mirza A. BegVenkatraman ChennakesavanMichael J. IngemiDavid E. ReillyRajesh GhoshIndra Prakash
    • Mirza A. BegVenkatraman ChennakesavanMichael J. IngemiDavid E. ReillyRajesh GhoshIndra Prakash
    • H02J9/00
    • H02J9/061H02J1/108Y10T307/615Y10T307/62Y10T307/625
    • An uninterruptible power supply includes a first input to receive input power from an input power source, an output to provide output power, a switch, a first logic power supply coupled to the switch, a back-up power source, a charger, a main logic power supply and power converter circuitry. The switch is configured to close when a characteristic of the input power is within a selected range. The first logic power supply is coupled to the switch and configured to receive input power from the input power source when the switch is closed. The first logic power supply has a first DC output. The back-up power source has a second DC output and is coupled to the first DC output at a common node. The charger has a third DC output and is coupled to the common node. The main logic power supply is coupled to the common node and is configured to receive at least one of the first DC output, the second DC output and the third DC output. The power converter circuitry is coupled to the backup power source and the first input and is configured to provides the output power derived from at least one of power at the first input and power from the backup power source.
    • 不间断电源包括用于从输入电源接收输入电力的第一输入端,提供输出功率的输出端,开关,耦合到开关的第一逻辑电源,备用电源,充电器,主电源 逻辑电源和电源转换器电路。 当输入功率的特性在选定范围内时,开关被配置为关闭。 第一逻辑电源耦合到开关并被配置为当开关闭合时从输入电源接收输入电力。 第一个逻辑电源具有第一个直流输出。 备用电源具有第二DC输出并且在公共节点处耦合到第一DC输出。 充电器具有第三DC输出并且耦合到公共节点。 主逻辑电源耦合到公共节点,并且被配置为接收第一DC输出,第二DC输出和第三DC输出中的至少一个。 功率转换器电路耦合到备用电源和第一输入端,并被配置为提供从第一输入端的电源和来自备用电源的功率中的至少一个导出的输出功率。
    • 7. 发明授权
    • Systems and methods for operating an uninterruptible power supply
    • 用于操作不间断电源的系统和方法
    • US08896152B2
    • 2014-11-25
    • US13173405
    • 2011-06-30
    • Mirza A. BegVenkatraman ChennakesavanMichael J. IngemiDavid E. ReillyRajesh GhoshIndra Prakash
    • Mirza A. BegVenkatraman ChennakesavanMichael J. IngemiDavid E. ReillyRajesh GhoshIndra Prakash
    • H02J9/00H02J9/06H02J1/10
    • H02J9/061H02J1/108Y10T307/615Y10T307/62Y10T307/625
    • An uninterruptible power supply includes a first input to receive input power from an input power source, an output to provide output power, a switch, a first logic power supply coupled to the switch, a back-up power source, a charger, a main logic power supply and power converter circuitry. The switch is configured to close when a characteristic of the input power is within a selected range. The first logic power supply is coupled to the switch and configured to receive input power from the input power source when the switch is closed. The first logic power supply has a first DC output. The back-up power source has a second DC output and is coupled to the first DC output at a common node. The charger has a third DC output and is coupled to the common node. The main logic power supply is coupled to the common node and is configured to receive at least one of the first DC output, the second DC output and the third DC output. The power converter circuitry is coupled to the backup power source and the first input and is configured to provides the output power derived from at least one of power at the first input and power from the backup power source.
    • 不间断电源包括用于从输入电源接收输入电力的第一输入端,提供输出功率的输出端,开关,耦合到开关的第一逻辑电源,备用电源,充电器,主电源 逻辑电源和电源转换器电路。 当输入功率的特性在选定范围内时,开关被配置为关闭。 第一逻辑电源耦合到开关并被配置为当开关闭合时从输入电源接收输入电力。 第一个逻辑电源具有第一个直流输出。 备用电源具有第二DC输出并且在公共节点处耦合到第一DC输出。 充电器具有第三DC输出并且耦合到公共节点。 主逻辑电源耦合到公共节点,并且被配置为接收第一DC输出,第二DC输出和第三DC输出中的至少一个。 功率转换器电路耦合到备用电源和第一输入端,并被配置为提供从第一输入端的电源和来自备用电源的功率中的至少一个导出的输出功率。