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    • 3. 发明授权
    • Device for operating inverter and power system
    • 逆变器和电力系统运行的装置
    • US06252785B1
    • 2001-06-26
    • US09691136
    • 2000-10-19
    • Ryuzo HagiharaKenji UchihashiTakeo Ishida
    • Ryuzo HagiharaKenji UchihashiTakeo Ishida
    • H02M300
    • H02M7/493H02J3/383H02M2001/0048Y02B70/1491Y02E10/563Y10S323/906
    • A device for operating inverters according to the present invention can operate a plurality of inverters for converting DC output from a DC source such as a solar cell to AC output efficiently without relying on a particular inverter. The plurality of inverters are connected to the DC source through switches. DC output from a DC source is measured by a measuring device to determine the number of inverters to be operated on a basis of the output result from the measuring device. The inverters to be added or cut off are determined among the plurality of inverters at random on a basis of the random number and switches of the determined inverters are turned ON or OFF in order to select inverters to be operated.
    • 根据本发明的用于操作逆变器的装置可以操作多个反相器,用于将来自诸如太阳能电池的DC源的DC输出有效地转换成AC输出,而不依赖于特定的反相器。 多个逆变器通过开关连接到DC源。 来自直流电源的直流输出由测量装置测量,以根据测量装置的输出结果来确定要操作的逆变器的数量。 基于随机数,随机地在多个逆变器之间确定要添加或切断的反相器,并且将所确定的反相器的开关导通或关闭以选择要被操作的反相器。
    • 9. 发明授权
    • Data communication apparatus
    • 数据通信装置
    • US06717982B1
    • 2004-04-06
    • US09534230
    • 2000-03-24
    • Takeo IshidaRyuzo HagiharaYasuhiro Yagi
    • Takeo IshidaRyuzo HagiharaYasuhiro Yagi
    • H04L516
    • H04M11/06H04L5/1446
    • A controller of a data communication apparatus according to the present invention stores information on each successful and unsuccessful data communication, a season, a data of the week, a time, and a data communication rate of the communication for each site in a data memory. The controller reads out a data communication rate at which a data communication succeeded from the data memory and directs a modem to conduct a communication at the data communication rate. A data communication is conducted at the directed data communication rate. These procedures ensure a secure link between sites and a secure data communication irrespective of a line distance between the sites etc.
    • 根据本发明的数据通信装置的控制器存储关于数据存储器中每个站点的每个成功和不成功的数据通信,季节,周的数据,时间和数据通信速率的信息。 控制器从数据存储器读出数据通信成功的数据通信速率,并指示调制解调器以数据通信速率进行通信。 以定向数据通信速率进行数据通信。 这些程序确保站点之间的安全链接和安全的数据通信,无论站点之间的线路距离如何。