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1. 发明申请

WO2008082401A1 CONTROL OF PARALLELED FUEL CELL ASSEMBLIES 审中-公开
标题翻译：并联燃料电池组件的控制
公开(公告)号：WO2008082401A1
公开(公告)日：2008-07-10
申请号：PCT/US2006/049639
申请日：2006-12-29
申请人： UTC FUEL CELLS, LLC , GROVER, Rishi , FREDETTE, Steven, J. , VARTANIAN, George
发明人： GROVER, Rishi , FREDETTE, Steven, J. , VARTANIAN, George
IPC分类号： H01M8/04
CPC分类号： H01M16/00 , H01M8/04365 , H01M8/04589 , H01M8/04679 , H01M8/04753 , H01M8/04895 , H01M8/0491 , H01M8/04992 , H01M8/249 , H01M2250/10 , Y02B90/14
摘要： Fuel cell stack assemblies (15, 16) connected in parallel through related power control portions (39, 40; 60, 61 ) of a system power converter (41 ) supply power to a common grid (22) or non-grid load (58) on an equal or near-equal current basis. Power command to one portion is one-half the total power (P*) minus a function (46) of the difference (45) in current from the stack assemblies. The other portion power command (P1*) for a utility grid (22) is the difference between the total power and the power command (P2*) to the first stack assembly. For a non-grid load, one portion (61 ) controls the load voltage, the other portion command (P2*) causes substantially equal currents. Altering (33b) actual current signals results in the cell stack assemblies providing different currents. A failed stack assembly is disconnected from the load and reactant; the non-failed assembly having an appropriate power command.
摘要翻译：通过系统功率转换器（41）的相关功率控制部分（39,40,60,61）并联连接的燃料电池堆组件（15,16）向公共电网（22）或非电网负载（58）供电）等于或近等于当前的基础。一部分的功率命令是总功率（P *）的一半减去来自堆叠组件的电流的差值（45）的函数（46）。用于公用电网（22）的另一部分功率命令（P1 *）是总功率与第一堆叠组件的功率命令（P2 *）之间的差。对于非电网负载，一部分（61）控制负载电压，另一部分命令（P2 *）引起大致相等的电流。改变（33b）实际电流信号导致电池堆组件提供不同的电流。故障堆叠组件与负载和反应物断开连接; 非故障组件具有适当的功率命令。

2. 发明申请

WO2005083867A1 ELECTRIC STORAGE AUGMENTATION OF FUEL CELL RESPONSE TO AC SYSTEM TRANSIENTS 审中-公开
标题翻译：燃料电池对交流系统瞬态响应的电储存补充
公开(公告)号：WO2005083867A1
公开(公告)日：2005-09-09
申请号：PCT/US2005/005315
申请日：2005-02-17
申请人： UTC FUEL CELLS, LLC , FREDETTE, Steven, J.
发明人： FREDETTE, Steven, J.
IPC分类号： H02J7/00
CPC分类号： H02J3/387 , H01M16/003 , H02J3/32 , H02J9/062 , H02J2001/004 , Y02B90/14 , Y10T307/691
摘要： A fuel cell power plant (9) provides DC power to an inverter (12) which provides power to three-phase power lines (16) which are connectable to a power grid (18) by switches (17), and which are connected to a critical customer load (30). An energy storage device (40) provides DC power to a bi-directional DC/AC converter (36) which is connectable through switches (34) to said three-phase power lines or to said power grid. A diode (45) may passively provide fuel cell power plant energy directly to the energy storage device so as to charge it, or bypass the primary DC/AC inverter in the event that it fails. Lapses in power caused by the inverter shutting down due to perturbations on the grid are avoided by power supplied by the converter using energy from the energy storage device
摘要翻译：燃料电池发电厂（9）向逆变器（12）提供直流电力，逆变器（12）向三相电力线（16）供电，三相电力线路（16）可通过开关（17）连接到电网（18），并连接到关键的客户负载（30）。能量存储装置（40）向可以通过开关（34）连接到所述三相电力线或所述电网的双向DC / AC转换器（36）提供DC电力。二极管（45）可以被动地将燃料电池发电厂能量直接提供给能量存储装置，以便对其进行充电，或者在发生故障的情况下绕过主DC / AC逆变器。逆变器由于电网干扰而关闭的功率失效由转换器使用来自能量存储装置的能量提供的电力来避免

3. 发明申请

WO2005053061A3 ELECTRIC STORAGE AUGMENTATION OF FUEL CELL SYSTEM TRANSIENT RESPONSE 审中-公开
标题翻译：燃料电池系统瞬态响应的电储存增量
公开(公告)号：WO2005053061A3
公开(公告)日：2005-06-30
申请号：PCT/US2004038719
申请日：2004-11-17
申请人： UTC FUEL CELLS LLC , CONVERSE DAVID G , FREDETTE STEVEN J
发明人： CONVERSE DAVID G , FREDETTE STEVEN J
IPC分类号： H01M20060101 , H01M8/00 , H01M8/04 , H01M8/06 , H01M16/00
CPC分类号： H01M16/003 , H01M8/04089 , H01M8/04544 , H01M8/04559 , H01M8/0488 , H01M8/04888 , H01M8/0612 , H01M8/0618 , Y10T307/516
摘要： A fuel cell stack (7) with output lines (8, 9) has a bank of supercapacitors (10) or batteries (10a) connected across the output lines, either directly or through a DC/DC converter (22). The fuel cell stack receives fuel either from a reformer (13) or a source (13a) of hydrogen. Power is supplied through a power conditioning system (15) to a load (16), all under the control of a controller (19). The supercapacitors or batteries receive additional charge from excess power when there is a sudden decrease in the load, and provide charge to the output power lines (8, 9) when there is a sudden increase in load demand. In one embodiment, the voltage of the supercapacitors or batteries always follow the voltage of the fuel cell stack, thereby providing or receiving commensurate charge. With the DC/DC converter, the supercapacitors or batteries may be operated at voltages which are multiple or a fraction of fuel cell stack voltage, and may have voltages boosted or bucked to aid in response to transients.
摘要翻译：具有输出线（8,9）的燃料电池组（7）具有直接或通过DC / DC转换器（22）连接在输出线两端的一组超级电容器（10）或电池（10a）。燃料电池堆从氢的重整器（13）或源（13a）接收燃料。电力通过电力调节系统（15）供应到负载（16），全部在控制器（19）的控制下。当负载突然下降时，超级电容器或电池会接收到额外的电量，并在负载需求突然增加时向输出电源线（8,9）提供充电。在一个实施例中，超级电容器或电池的电压总是遵循燃料电池堆的电压，由此提供或接收相称的电荷。利用DC / DC转换器，超级电容器或电池可以在多倍或一小部分燃料电池堆电压的电压下运行，并且可以具有升压或降压的电压以辅助响应瞬态。

4. 发明申请

WO2005053061A2 ELECTRIC STORAGE AUGMENTATION OF FUEL CELL SYSTEM TRANSIENT RESPONSE 审中-公开
标题翻译：燃料电池系统瞬态响应的电储存补充
公开(公告)号：WO2005053061A2
公开(公告)日：2005-06-09
申请号：PCT/US2004/038719
申请日：2004-11-17
申请人： UTC FUEL CELLS, LLC , CONVERSE, David, G. , FREDETTE, Steven, J.
发明人： CONVERSE, David, G. , FREDETTE, Steven, J.
IPC分类号： H01M
CPC分类号： H01M16/003 , H01M8/04089 , H01M8/04544 , H01M8/04559 , H01M8/0488 , H01M8/04888 , H01M8/0612 , H01M8/0618 , Y10T307/516
摘要： A fuel cell stack (7) with output lines (8, 9) has a bank of supercapacitors (10) or batteries (10a) connected across the output lines, either directly or through a DC/DC converter (22). The fuel cell stack receives fuel either from a reformer (13) or a source (13a) of hydrogen. Power is supplied through a power conditioning system (15) to a load (16), all under the control of a controller (19). The supercapacitors or batteries receive additional charge from excess power when there is a sudden decrease in the load, and provide charge to the output power lines (8, 9) when there is a sudden increase in load demand. In one embodiment, the voltage of the supercapacitors or batteries always follow the voltage of the fuel cell stack, thereby providing or receiving commensurate charge. With the DC/DC converter, the supercapacitors or batteries may be operated at voltages which are multiple or a fraction of fuel cell stack voltage, and may have voltages boosted or bucked to aid in response to transients.
摘要翻译：具有输出线（8,9）的燃料电池堆（7）具有直接地或通过DC / DC转换器（22）跨越输出线连接的一组超级电容器（10）或电池（10a）。燃料电池组从重整器（13）或氢源（13a）接收燃料。电源通过功率调节系统（15）供应到负载（16），全部在控制器（19）的控制下。当负载突然下降时，超级电容器或电池从额外的电力中接收额外的电量，并且当负载需求突然增加时，向输出电力线（8,9）充电。在一个实施例中，超级电容器或电池的电压总是跟随燃料电池堆的电压，由此提供或接收相应的电荷。使用DC / DC转换器，超级电容器或电池可以以多个或一部分燃料电池堆电压的电压运行，并且可以具有升压或降压的电压以有助于响应瞬态。

5. 发明申请

WO2005031905A1 STORAGE OF FUEL CELL ENERGY DURING STARTUP AND SHUTDOWN 审中-公开
标题翻译：燃料电池在启动和关闭时的储存
公开(公告)号：WO2005031905A1
公开(公告)日：2005-04-07
申请号：PCT/US2004/031232
申请日：2004-09-22
申请人： UTC FUEL CELLS, LLC , FREDETTE, Steven, J.
发明人： FREDETTE, Steven, J.
IPC分类号： H01M8/04
CPC分类号： H01M8/0488 , H01M8/04223 , H01M8/04302 , H01M8/04303 , H01M8/04947 , H01M16/006
摘要： During startup or shutdown of a fuel cell power plant, the electric energy generated by consumption of reactants is extracted by a storage control (200) in response to a controller (185) as current applied to an energy storage system 201 (a battery). In a boost embodiment, an inductor (205) and a diode (209) connect one terminal (156) of the stack (151) of the battery. An electronic switch connects the juncture of the inductor and the diode to both the other terminal (155) of the stack and the battery. The switch is alternately gated on and off by a signal (212) from a controller (185) until sufficient energy is transferred from the stack to the battery. In a buck environment, the switch and the inductor (205) connect one terminal (156) of the stack to the battery. A diode connects the juncture of the switch with the inductor to the other terminal (155) of the fuel cell stack and the battery.
摘要翻译：在燃料电池发电厂的启动或关闭期间，响应于作为施加到能量存储系统201（电池）的电流的控制器（185），通过存储控制（200）提取由反应物消耗产生的电能。在升压实施例中，电感器（205）和二极管（209）连接电池的堆叠（151）的一个端子（156）。电子开关将电感器和二极管的接合部连接到堆叠的另一个端子（155）和电池。交换机通过来自控制器（185）的信号（212）交替门控，直到足够的能量从堆栈传送到电池。在降压环境中，开关和电感器（205）将堆叠的一个端子（156）连接到电池。二极管将开关的接头与电感器连接到燃料电池堆和电池的另一个端子（155）。

6. 发明申请

WO2009038562A3 PREVENTING OVERSPEEDING OF A TURBINE DRIVEN GENERATOR 审中-公开
标题翻译：防止涡轮发电机的过载
公开(公告)号：WO2009038562A3
公开(公告)日：2010-09-23
申请号：PCT/US2007020322
申请日：2007-09-19
申请人： UTC POWER CORP , FREDETTE STEVEN J , ARNER MICHAEL D
发明人： FREDETTE STEVEN J , ARNER MICHAEL D
IPC分类号： F01K13/02 , F01D21/00 , H02P9/10
CPC分类号： F01D15/10 , F01D21/02 , F01K13/02 , F05D2220/76 , F05D2270/021 , H02P3/22
摘要： To prevent overspeeding of a turbine driven generator (17) when its output is suddenly disconnected from a grid, a dissipative load (28) is responsively switched into the circuit to sink the energy being generated by the generator (17) and allow the system to be slowed without overspeeding.
摘要翻译：为了防止涡轮驱动发电机（17）当其输出突然与电网断开时超速，耗散负载（28）被响应地切换到电路中以吸收由发电机（17）产生的能量，并允许系统减速，没有超速。

7. 发明申请

WO2009038564A1 STATE OF CHARGE CALCULATOR FOR MULTI-CELL ENERGY STORAGE SYSTEM HAVING CELL BALANCING 审中-公开
标题翻译：具有细胞平衡的多细胞能量储存系统的计费器状态
公开(公告)号：WO2009038564A1
公开(公告)日：2009-03-26
申请号：PCT/US2007/020400
申请日：2007-09-20
申请人： UTC POWER CORPORATION , FREDETTE, Steven, J.
发明人： FREDETTE, Steven, J.
IPC分类号： H01M10/44 , H01M10/48 , H02J7/00 , G01R31/36
CPC分类号： H01M10/482 , G01R31/3624 , G01R31/3658 , H02J7/0016 , H02J2001/004
摘要： An arrangement for monitoring the current or state of charge (SOC) of an energy system (230) having one or more series-connected strings (S 1 , S 2 ,... S n ) of battery cells (C 1 , C 2 ,... C n ). The battery cells each have respective dissipative devices (D 1 , D 2 ,... D n ) selectively connectable in parallel therewith for balancing cell voltages in the string. The dissipative devices are of predetermined, typically equal, impedance value. The voltage across each cell (V c1 , V c2 ,...V cn ) may be separately monitored, such that by dividing the monitored voltage across a cell by the impedance value of a dissipative device connected in parallel therewith, the dissipative current is determined. A summation of all of the dissipative currents yields an error value, which error value is then removed from the measured gross current (I bat ) flowing through the combined battery cells and dissipative devices to yield a corrected value of current (I batnet ). A corrected SOC value (Q net ) is obtainable in a similar manner.
摘要翻译：一种用于监测具有电池单元（C1，C2，... Cn）的一个或多个串联连接串（S1，S2，... Sn）的能量系统（230）的电流或充电状态（SOC））。电池单元各自具有与其并联选择性地连接的各自的耗散装置（D1，D2，... Dn），用于平衡串中的电池电压。耗散器件具有预定的，通常相等的阻抗值。可以分别监视每个单元（Vc1，Vc2，... Vcn）上的电压，使得通过将监视的电池单元上的电压除以与其并联连接的耗散装置的阻抗值，确定耗散电流。所有耗散电流的总和产生一个误差值，然后从流经组合的电池单元和耗散装置的测量总电流（Ibat）去除该误差值，以产生校正的电流值（Ibatnet）。可以以类似的方式获得校正的SOC值（Qnet）。

8. 发明申请

WO2009014522A1 POWER SYSTEM HAVING AC AND DC POWER SOURCES 审中-公开
标题翻译：具有交流和直流电源的电力系统
公开(公告)号：WO2009014522A1
公开(公告)日：2009-01-29
申请号：PCT/US2007/016778
申请日：2007-07-26
申请人： UTC POWER CORPORATION , FREDETTE, Steven, J. , SEDLACEK, Wesley, E.
发明人： FREDETTE, Steven, J. , SEDLACEK, Wesley, E.
IPC分类号： H02M7/42 , H02M7/00
CPC分类号： H02M1/10 , H01H2300/018 , Y10T307/544 , Y10T307/615
摘要： A power system (110; 210; 310) combines a power source (14) having a DC output (20A, 20B) with an AC supply from the AC grid (12) to provide AC to customer's loads (16) and DC to various DC auxiliary loads (134, 134A). The DC output of the DC power source (14) is connected in steady-state to the DC input (120A, 120B, 60) of a converter/bi-directional inverter (122; 222) for conversion therein to AC for connection (124, 124A, 32) to the customer's loads (16) and (124, 124B) to any AC auxiliary loads (134, 234). During start-up of the DC power source (14), an open isolation switch (70) disconnects that DC power source (14) from the bi- directional inverter (122; 222). A start-up power supply (50, 60; 250, 60; 90, 180, 60) selectively connects (56; 94) between the AC power grid (12) and the bi-directional inverter (122; 222) and/or DC controllers (134A) to provide a supply of rectified DC power at the inverter DC input and to certain DC auxiliary loads (134, 234). DC power is supplied to the auxiliary loads (134; 234) from the inverter DC input substantially continuously during start-up and steady state.
摘要翻译：电力系统（110; 210; 310）将具有DC输出（20A，20B）的电源（14）与来自AC电网（12）的AC电源组合，以向客户的负载（16）提供AC，并将DC组合到各种直流辅助负载（134,134A）。直流电源（14）的直流输出端连接在转换器/双向逆变器（122; 222）的直流输入端（120A，120B，60）上，用于转换为交流电，用于连接（124 ，124A，32）到客户的负载（16）和（124,124B）到任何AC辅助负载（134,234）。在DC电源（14）启动期间，开路隔离开关（70）将该直流电源（14）与双向逆变器（122; 222）断开。启动电源（50,60; 250,60; 90,180,60）有选择地在交流电网（12）和双向逆变器（122; 222）之间连接（56; 94）和/或 DC控制器（134A），用于在逆变器DC输入端和某些DC辅助负载（134,234）处提供整流直流电源。在启动和稳定状态期间，基本上连续地从逆变器DC输入向辅助负载（134; 234）提供直流电力。

9. 发明申请

WO2008088313A1 SUPPRESSION OF LOW FREQUENCY RIPPLE IN FUEL CELL OUTPUT CURRENT 审中-公开
标题翻译：在燃料电池输出电流中抑制低频纹波
公开(公告)号：WO2008088313A1
公开(公告)日：2008-07-24
申请号：PCT/US2006/049550
申请日：2006-12-28
申请人： UTC FUEL CELLS, LLC , BALA, Sandeep , FREDETTE, Steven, J.
发明人： BALA, Sandeep , FREDETTE, Steven, J.
IPC分类号： H02M1/12
CPC分类号： H02M1/15 , B60L11/1881 , B60L2270/147 , Y02T90/34
摘要： An inductor (27) is connected by switches (30-33) across the DC link output (21, 22) of a fuel cell system (18) in alternatively-reversed fashion at a frequency which is high compared to ripple current on the DC link which is typically twice the fundamental frequency (e.g., 50 Hz or 60 Hz) of a DC/ AC inverter and power conditioner (13). This substantially eliminates ripple in the fuel cell output current without the use of a large bank of low frequency filter capacitors (20). The DC/AC inverter may have a small, high frequency filter capacitor (40) across its input.
摘要翻译：电感器（27）通过开关（30-33）跨过燃料电池系统（18）的DC链路输出（21,22）以与DC上的纹波电流相比高的频率交替反向地连接链路，其通常是DC / AC逆变器和功率调节器（13）的基频（例如，50Hz或60Hz）的两倍。这实质上消除了燃料电池输出电流中的波动，而不使用大量的低频滤波电容器（20）。 DC / AC逆变器可以在其输入端具有小的高频滤波电容器（40）。

10. 发明申请

WO2009082375A1 HARMONIC FILTER WITH INTEGRATED POWER FACTOR CORRECTION 审中-公开
标题翻译：具有集成功率因数校正的谐波滤波器
公开(公告)号：WO2009082375A1
公开(公告)日：2009-07-02
申请号：PCT/US2007/026268
申请日：2007-12-24
申请人： UTC POWER CORPORATION , FREDETTE, Steven, J. , GROVER, Rishi
发明人： FREDETTE, Steven, J. , GROVER, Rishi
IPC分类号： H02J3/01
CPC分类号： H02J3/1821 , H02J11/00 , Y02E40/30
摘要： A distributed electrical power generating and utilizing system includes an induction generator driven by a prime mover requiring reactive power to operate for providing electrical power on a bus. The bus has a gross load and is also connectable to a utility power grid by a switch. The gross load includes at least a non-linear electrical load component, typically including a variable speed device and associated diode rectifier front end. The bus includes a harmonic filter having a power factor-correcting capacitor integrated therewith for collectively compensating harmonic distortion caused by the non-linear load component and for correcting power factor to compensate for reactive power required by at least the inductive generator.
摘要翻译：分布式发电和利用系统包括由原动机驱动的感应发电机，其需要无功功率以在总线上提供电力。公共汽车有一个总负载，也可以通过一个交换机连接到一个公用电网上。总载荷至少包括非线性电负载分量，通常包括可变速度装置和相关联的二极管整流器前端。总线包括具有与其集成的功率因数校正电容器的谐波滤波器，用于共同补偿由非线性负载分量引起的谐波失真，并用于校正功率因数以补偿至少感应发电机所需的无功功率。

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