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    • 3. 发明专利
    • Power supply system, power supply method, and control device
    • 电源系统,电源方法及控制装置
    • JP2011188607A
    • 2011-09-22
    • JP2010050434
    • 2010-03-08
    • Seiko Electric Co LtdTokyo Gas Co Ltd東京瓦斯株式会社株式会社正興電機製作所
    • EZAKI NOBUYUKINAKAMURA TAKAMITSUMAEYAMA AKINORIMIYAKE HARUYOSHIKOBAYASHI KOSUKE
    • H02J3/38H01M10/44H02J3/32
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To provide a power supply system or the like which effectively utilizes a new energy power generation system that generates power even if the system is paralleled off.
      SOLUTION: The power supply system 1 supplies power to a load 3 from at least one of a commercial power supply source 5, a photovoltaic power generation part 7, a fuel battery power generation part 9 and a power accumulation part 11. The commercial power supply source 5 supplies power to the load 3 via a first electric connection path to a connecting point 31 and a common path to the load 3 from the connecting point 31. The power accumulation part 11 supplies power to the load 3 via a second electric connection path to the connecting point 31 and the common path. The fuel battery power generation part 9 is connected to the common path. The power accumulation part 11 starts autonomous operation by paralleling off the commercial power supply source 5 by using switches MS25, 27 when the parallel-off condition of power interruption or the like of the commercial power supply source 5 is satisfied. The fuel battery power generation part 9 generates power using the power accumulation part 11 as a reference power supply.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种电力供应系统等,其有效地利用即使系统并联产生电力的新能源发电系统。 解决方案:电源系统1从商用电源5,光伏发电部7,燃料电池发电部9和蓄电部11中的至少一个向负载3供电。 商用电源5经由连接点31的第一电连接路径和从连接点31到负载3的公共路径向负载3供电。电力累积部11经由第二电源向负载3供电 到连接点31和公共路径的电连接路径。 燃料电池发电部9与公共路径连接。 当满足商用电源5的电源中断等的平行关闭状态时,电力累积部11通过使用开关MS25,27并联商业电源5而开始自主操作。 燃料电池发电部9使用蓄电部11作为基准电源来发电。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Power supply system, power supply program, and power supply method
    • 电源系统,供电方案和电源方式
    • JP2014165955A
    • 2014-09-08
    • JP2013032395
    • 2013-02-21
    • Tokyo Gas Co Ltd東京瓦斯株式会社Seiko Electric Co Ltd株式会社正興電機製作所
    • TOMONO TAKUYAKODA JUNYAITO KENTAROMIYAKE HARUYOSHINAKAMURA TAKAMITSUMAEYAMA AKINORIHAMAZAKI KOJI
    • H02J7/34H01M8/00H01M8/04H01M10/44
    • Y02E70/40
    • PROBLEM TO BE SOLVED: To prevent a power storage amount of a storage battery from being reduced during a power failure by improving continuity of power generation when a power failure occurs, and improving continuity of power generation or improving efficiency of charging during a power failure even in the case where an FC (Fuel Cell cogeneration) system using a storage battery as a voltage source is included in power generation means.SOLUTION: A power supply system (2) comprises power generation means (FC system 4) and power storage means (power storage system 6). The power supply system further comprises charging means (cooperative charging circuit 8) for charging the power storage means with power generation output of the power generation means in the case where a power failure occurs in a system power source (10). The power generation means generates power using power supplied from the power storage means and at least during a power failure in the system power source, the charging means supplements a power storage amount of the power storage means used for the power generation means with power generation output of the power generation means.
    • 要解决的问题:为了防止在停电期间通过提高发电时的发电连续性来降低蓄电池的蓄电量,并且提高发电的连续性或提高停电期间的充电效率甚至 在使用蓄电池作为电压源的FC(燃料电池热电联产)系统被包括在发电装置中的情况下。电力供应系统(2)包括发电装置(FC系统4)和蓄电装置 蓄电系统6)。 电源系统还包括在系统电源(10)发生电源故障的情况下,利用发电装置的发电输出对蓄电装置充电的充电装置(协同充电电路8)。 发电装置使用从蓄电装置供给的电力,并且至少在系统电源的电源故障期间发电,充电装置用发电输出补充用于发电装置的蓄电装置的蓄电量 的发电手段。
    • 6. 发明专利
    • Power storage control system and power storage control method
    • 电力储存控制系统和储能控制方法
    • JP2013223385A
    • 2013-10-28
    • JP2012095134
    • 2012-04-18
    • Seiko Electric Co Ltd株式会社正興電機製作所Tokyo Gas Co Ltd東京瓦斯株式会社
    • NAKAMURA TAKAMITSUMAEYAMA AKINORIMAEDA KENJIMIYAKE HARUYOSHIKODA JUNYA
    • H02J3/00H02J3/32H02J3/38H02J7/34
    • PROBLEM TO BE SOLVED: To provide a power storage control system and the like that achieve such a control as not to exceed a predetermined breaking current value (contract power) with respect to a power storage device as measures for the fact that a power failure occurs when exceeding the breaking current value.SOLUTION: A breaking part 17 interrupts a connection when power of a commercial power supply 3 exceeds a breaking current value (for example, contract power). A power purchase sensor 23 measures a system supply current supplied from the commercial power supply 3. A power storage control part 39 charges the current of the commercial power supply 3 into a power storage device 35 in, for example, a midnight power time zone. When the power purchase sensor 23 measures a system supply current exceeding a reference current value, the power storage control part 39 decreases an amount of supply of the commercial power supply 3 by decreasing the amount of charge.
    • 要解决的问题:提供一种蓄电控制系统等,其实现对于蓄电装置的不超过预定的分断电流值(合约电力)的控制,作为发生电力故障的事实的措施 当超过断开电流值时。解决方案:当商用电源3的电力超过断开电流值(例如合同电力)时,断路部分17中断连接。 电力购买传感器23测量从商用电源3供给的系统电源电流。蓄电控制部39将商用电源3的电流充电到例如午夜电力时区的蓄电装置35中。 当电力购买传感器23测量超过参考电流值的系统电源电流时,蓄电控制部39通过减少充电量来减小商用电源3的供给量。
    • 7. 发明专利
    • Electric power storage system
    • 电力存储系统
    • JP2005245185A
    • 2005-09-08
    • JP2004055591
    • 2004-02-27
    • Seiko Electric Co Ltd株式会社正興電機製作所
    • NAKAMURA TAKAMITSUEZAKI NOBUYUKI
    • H02J7/35H02J3/32
    • Y02P90/50
    • PROBLEM TO BE SOLVED: To provide a power storage system capable of effectively utilizing nighttime power and suppressing the use of daytime power even if a power demand from a load exceeds an output capacity. SOLUTION: The power storage system comprises a two-way power converter 2 which functions as a converter when charging a storage battery 30 and as an inverter when discharging; a power selecting device 1 which is provided among a commercial power source, the two-way power converter 2 and the load 40, and selects power; and a control device 4 which controls the power selecting device 1. The power selecting device 1 is controlled corresponding to modes: a nighttime operation mode for a nighttime electricity rate applied time period, and a discharge operation mode and a systematic supplementing operation mode for daytime. In the nighttime operation mode, the storage battery 30 is charged and the load 40 is supplied with power by the commercial power. In the daytime, the mode is applied corresponding to the power consumption of the load 40. In a discharge operation mode, the load is supplied with power only from the storage battery 30. In a systematic supplementing operation mode, the load is supplied with power from the battery 30 till the power consumption of the load reaches a prescribed value, and when the power consumption of the load is not less than the prescribed value, a shortage is supplied by the commercial power source. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:即使来自负载的电力需求超过输出容量,提供能够有效利用夜间电力并抑制白天电力的使用的蓄电系统。 解决方案:蓄电系统包括一个双向电力转换器2,它在充电蓄电池30时作为转换器,在放电时用作逆变器; 功率选择装置1,其设置在商用电源,双向电力转换器2和负载40之间,并选择电力; 以及控制电源选择装置1的控制装置4.电源选择装置1根据夜间电力施加时间段的夜间运行模式,白天的放电运行模式和系统补充运转模式进行控制 。 在夜间运行模式中,对蓄电池30进行充电,通过商用电力向负载40供电。 在白天,对应于负载40的功耗而应用模式。在放电操作模式中,仅从蓄电池30向负载供电。在系统补充操作模式中,向负载供电 从电池30直到负载的功率消耗达到规定值,并且当负载的功耗不小于规定值时,由商用电源供给不足。 版权所有(C)2005,JPO&NCIPI