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    • 1. 发明公开
    • System and method for determining potential power of inverters during curtailment mode
    • 用于确定缩减模式期间逆变器潜在功率的系统和方法
    • EP2595267A3
    • 2017-09-20
    • EP12193462.4
    • 2012-11-20
    • General Electric Company
    • Jain, PalakSchelenz, Owen JannisO'Brien, Kathleen Ann
    • H02J3/38H02J3/50
    • H02J3/383H02J3/382H02J3/385H02J3/48H02J3/50Y02E10/563Y02E10/58Y10T307/406
    • A power inverter system (100) includes a plurality of power inverters such as solar inverters (108), (110), (112), (114) receiving power from at least one energy source (104), (106). Each power inverter includes algorithmic maximum peak power tracking (MPPT) software or integrated MPPT firmware to calculate its own potential real power. A controller (130) is in electrical communication with selected power inverters that are operating in curtailed modes of operation and commands each selected power inverter to shift its power production duties and to perform MPPT sweeps. Each selected power inverter then calculates its own potential real power capability in response to corresponding MPPT sweep data. The potential real power capability information is received by the controller (130) that transmits the information to a power utility (120) allowing the power utility (120) to more efficiently utilize real and reactive power available by the plurality of power inverters (108), (110), (112), (114).
    • 功率逆变器系统(100)包括多个功率逆变器,诸如从至少一个能量源(104),(106)接收功率的太阳能逆变器(108),(110),(112),(114)。 每个功率逆变器都包含算法最大峰值功率跟踪(MPPT)软件或集成的MPPT固件,以计算其自身的潜在有功功率。 控制器(130)与在缩减的操作模式下操作的选定的功率逆变器进行电通信,并命令每个选择的功率逆变器改变其功率生产任务并执行MPPT扫描。 每个选定的功率逆变器然后响应于相应的MPPT扫描数据计算其自身的潜在有功功率能力。 控制器130将潜在的实际功率能力信息接收到控制器130,该控制器130将该信息传输到电力公用事业设施120,允许电力公用事业设施120更有效地利用由多个功率逆变器108可用的实际功率和无功功率, ,(110),(112),(114)。
    • 7. 发明公开
    • Solar power generation system and method
    • Solarenergieerzeugungssystem und -verfahren
    • EP2424074A2
    • 2012-02-29
    • EP11176928.7
    • 2011-08-09
    • General Electric Company
    • Schelenz, Owen JannisO'Brien, Kathleen AnnSabate, Juan Antonio
    • H02J7/35G05F1/67
    • H02J3/385G05F1/67Y02E10/58Y10T307/707
    • A power generation system (210) includes photovoltaic (PV) modules (212) for generating power and power converters (214) coupled to receive power from the PV modules (212). The power generation system (210) further includes converter controllers (222) to control the power converters (214), each converter controller (222) includes a maximum power point tracking control element (221). A master controller (224) in the power generation system (210) is configured to coordinate power outputs of the power converters (214) by controlling the timing and numbers of power converters (214) having power-voltage (P-V) curves sweeping between maximum power points and power points off the maximum power points.
    • 发电系统(210)包括用于产生功率和功率转换器(214)的光伏(PV)模块(212),耦合以从光伏模块(212)接收功率。 发电系统(210)还包括用于控制功率转换器(214)的转换器控制器(222),每个转换器控制器(222)包括最大功率点跟踪控制元件(221)。 发电系统(210)中的主控制器(224)被配置为通过控制具有在最大值之间扫描的电力 - 电压(PV)曲线的功率转换器(214)的时序和数量来协调功率转换器(214)的功率输出 功率点和功率点脱离最大功​​率点。