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1. 发明专利

JP2013131659A Monitoring device 审中-公开
标题翻译：监控设备
公开(公告)号：JP2013131659A
公开(公告)日：2013-07-04
申请号：JP2011280711
申请日：2011-12-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KONO TORU , NAKAMURA AKIHIRO , NAKAMURA TOMOHARU
IPC分类号： H01L31/042
CPC分类号： Y02E10/50
摘要： PROBLEM TO BE SOLVED: To calculate a temperature distribution in a solar cell array without measuring a plurality of temperatures.SOLUTION: A solar cell monitoring device has a function of calculating wind velocity on a solar cell array on the basis of operation temperature in units of the solar cell array, information on the amount of solar radiation, and the air temperature. The device comprises: means to calculate a wind velocity distribution in the solar cell array through a turbulence analysis using the wind direction and the wind velocity on the solar cell array; and means to calculate an operation temperature distribution in the solar cell array on the basis of the wind velocity distribution.
摘要翻译：要解决的问题：在不测量多个温度的情况下计算太阳能电池阵列中的温度分布。解决方案：太阳能电池监测装置具有基于操作温度计算太阳能电池阵列上的风速的功能，单位为太阳能电池阵列，太阳辐射量的信息和空气温度。该装置包括：通过使用太阳能电池阵列上的风向和风速的湍流分析来计算太阳能电池阵列中的风速分布的装置; 以及基于风速分布计算太阳能电池阵列中的工作温度分布的装置。

2. 发明专利

JP2012160498A Characteristic calculation method for solar cell and photovoltaic power generation system 有权
标题翻译：太阳能电池和光伏发电系统的特征计算方法
公开(公告)号：JP2012160498A
公开(公告)日：2012-08-23
申请号：JP2011017401
申请日：2011-01-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KONO TORU , NAKAMURA AKIHIRO , NAKAMURA TOMOHARU
IPC分类号： H01L31/042
CPC分类号： G01R31/40 , G01R31/405 , H02S50/00 , H02S50/10
摘要： PROBLEM TO BE SOLVED: To provide a calculation method for reproducing highly precise solar cell characteristics, using data of short-circuit current, open voltage and a maximum power operating point of a solar cell with temperature and solar radiation intensity in a reference state.SOLUTION: Using data of short-circuit current, open voltage and a maximum power operating point of a solar cell with temperature and solar radiation intensity in a reference state, a parameter value for determining characteristics in a reference state is calculated. Next, temperature coefficients of open voltage and reverse saturation current are calculated using a calculated parameter, and short-circuit current, open voltage and a maximum power operating point at a predetermined temperature are calculated from the temperature coefficients.
摘要翻译：要解决的问题：提供一种用于再现高精度太阳能电池特性的计算方法，使用参考中的温度和太阳辐射强度的太阳能电池的短路电流，开路电压和最大功率工作点的数据州。解决方案：使用参考状态下的温度和太阳辐射强度的太阳能电池的短路电流，开路电压和最大功率工作点的数据，计算用于确定参考状态下的特性的参数值。接下来，使用计算参数计算开路电压和反向饱和电流的温度系数，并根据温度系数计算出在预定温度下的短路电流，开路电压和最大功率工作点。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2014045073A Troubleshooting method for photovoltaic power generating system 有权
标题翻译：光伏发电系统故障排除方法
公开(公告)号：JP2014045073A
公开(公告)日：2014-03-13
申请号：JP2012186501
申请日：2012-08-27
申请人： Hitachi Ltd , 株式会社日立製作所 , Tokyo Electric Power Co Inc:The , 東京電力株式会社
发明人： KONO TORU , NAKAMURA AKIHIRO , NAKAMURA TOMOHARU , MORIKAWA HIROKI
IPC分类号： H01L31/04
CPC分类号： G01R31/02 , H02S50/10
摘要： PROBLEM TO BE SOLVED: To provide a low-cost troubleshooting method without need of measurement means or communication means for a solar cell system.SOLUTION: The troubleshooting method comprises: calculation of the quantity of solar radiation while updating a predetermined coefficient J that a ratio of a short-circuit current to a working current according to a state of a solar cell array (8d); and calculation of a working temperature Tb and a fault number of solar cell modules in the solar cell array, using measurement data 8c including working currents and working voltages measured by a detecting section (8a, 8b).
摘要翻译：要解决的问题：提供一种低成本的故障排除方法，而不需要太阳能电池系统的测量手段或通信手段。解决方案：故障排除方法包括：在更新预定系数J时计算太阳辐射量，根据太阳能电池阵列（8d）的状态产生工作电流的短路电流; 以及使用包括由检测部（8a，8b）测量的工作电流和工作电压的测量数据8c，计算太阳能电池阵列中的太阳能电池模块的工作温度Tb和故障数量。

4. 发明专利

JP2012156343A Photovoltaic power generation system, abnormality detection method, and abnormality detection system 有权
标题翻译：光伏发电系统，异常检测方法和异常检测系统
公开(公告)号：JP2012156343A
公开(公告)日：2012-08-16
申请号：JP2011014700
申请日：2011-01-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAMURA AKIHIRO , KONO TORU , NAKAMURA TOMOHARU
IPC分类号： H01L31/042
CPC分类号： G01R31/2607 , H01L31/02021 , H02S50/10 , Y02E10/50
摘要： PROBLEM TO BE SOLVED: To provide a system for detecting/classifying abnormalities of a solar battery even during power generation.SOLUTION: An output voltage and an output current of the solar battery during power generation are detected, and numerical computation of a solar battery characteristic expression and computation of a threshold for detecting abnormal states are performed using the detected voltage/current values and measurement data of an external environment measuring unit. Types of the abnormal states of the solar battery are classified using the computation results of the characteristic expression and the threshold.
摘要翻译：要解决的问题：即使在发电期间也提供用于检测/分类太阳能电池的异常的系统。解决方案：检测发电期间太阳能电池的输出电压和输出电流，利用检测到的电压/电流值进行太阳能电池特性表达的数值计算和异常状态的检测阈值的计算，外部环境测量单元的测量数据。使用特征表达式和阈值的计算结果对太阳能电池的异常状态的类型进行分类。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2013131658A Solar battery and photovoltaic power generation system 有权
标题翻译：太阳能电池和光伏发电系统
公开(公告)号：JP2013131658A
公开(公告)日：2013-07-04
申请号：JP2011280708
申请日：2011-12-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KONO TORU , NAKAMURA AKIHIRO , NAKAMURA TOMOHARU
IPC分类号： H01L31/042
CPC分类号： Y02E10/50
摘要： PROBLEM TO BE SOLVED: To provide an arithmetic method for reproducing highly accurate solar cell characteristics by using data only on a short circuit current, an open circuit voltage, and a maximum power operation point of a silicon crystal solar cell having crystal defects mixed in or a CIGS (Copper Indium Gallium Selenide) solar cell under standard temperature and solar radiation conditions.SOLUTION: First, a junction constant and the impurity concentration of a carrier indicating the performance of a solar cell are calculated on the basis of a prescribed reverse saturation current value and a parameter value constituting an expression for the prescribed reverse saturation current by using data only on the short circuit current and open circuit voltage of a solar cell under standard temperature and solar radiation conditions. Next, the temperature coefficient of the open circuit voltage and the reverse saturation current is found using the calculated parameter. Then, a short circuit current, an open circuit voltage, and a maximum power operation point at a prescribed temperature are calculated from the values thus obtained.
摘要翻译：要解决的问题：提供一种用于通过仅将晶体缺陷混合在其中的硅晶体太阳能电池的短路电流，开路电压和最大功率操作点的数据再现高精度太阳能电池特性的算术方法，或者在标准温度和太阳辐射条件下的CIGS（铜铟镓硒）太阳能电池。解决方案：首先，根据规定的反向饱和电流计算结点常数和指示太阳能电池性能的载流子的杂质浓度通过仅使用在标准温度和太阳辐射条件下的太阳能电池的短路电流和开路电压的数据来构成规定的反向饱和电流的表达式的参数值和参数值。接下来，使用所计算的参数来求出开路电压的温度系数和反向饱和电流。然后，根据这样获得的值，计算出规定温度下的短路电流，开路电压和最大功率工作点。

6. 发明专利

JP2011176721A Mixer circuit, transmission circuit employing the same, and sub-millimeter-wave/millimeter-wave communication terminal 有权
标题翻译：混频器电路，使用其的传输电路以及亚毫米波/毫米波通信终端
公开(公告)号：JP2011176721A
公开(公告)日：2011-09-08
申请号：JP2010040458
申请日：2010-02-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAMURA AKIHIRO , SHIROMIZU NOBUHIRO , WASHIO KATSUYOSHI , NAKAMURA TAKAHIRO
IPC分类号： H03D7/14 , H04B1/04
摘要： PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit incorporating a mixer circuit which operates at a low voltage and is capable of suppressing high-order harmonic waves of a local oscillation frequency signal.
SOLUTION: The mixer circuit has a transconductance amplifier, a transformer, an impedance element, and a multiplier. The transconductance amplifier and the transformer are connected, the transformer and the impedance element are connected, and the impedance element and the multiplier are connected. The transformer, the multiplier and the impedance element are connected in such a way that impedance in viewing the side of the transconductance amplifier from the multiplier becomes high impedance at a frequency being equal to or higher than the double frequency of a local oscillator signal. The transconductance amplifier and the multiplier are each comprised of single-stage vertically stacked transistors.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种结合了在低电压下工作并能够抑制本地振荡频率信号的高阶谐波的混频器电路的半导体集成电路。解决方案：混频器电路具有跨导放大器，变压器，阻抗元件和乘法器。连接跨导放大器和变压器，连接变压器和阻抗元件，并连接阻抗元件和乘法器。变压器，乘法器和阻抗元件以这样的方式被连接，即在频率等于或高于本地振荡器信号的双倍频率的情况下，从乘法器观看跨导放大器侧的阻抗变为高阻抗。跨导放大器和乘法器分别由单级垂直堆叠晶体管组成。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2013055132A Method of fault diagnosis of photovoltaic power generation system 有权
标题翻译：光伏发电系统故障诊断方法
公开(公告)号：JP2013055132A
公开(公告)日：2013-03-21
申请号：JP2011190789
申请日：2011-09-01
申请人： Hitachi Ltd , 株式会社日立製作所 , Tokyo Electric Power Co Inc:The , 東京電力株式会社
发明人： KONO TORU , NAKAMURA AKIHIRO , NAKAMURA TOMOHARU , MORIKAWA HIROKI , MIYAZAKI SATOSHI , SUZUKI KENICHI
IPC分类号： H01L31/04 , G01R31/02
CPC分类号： Y02E10/50
摘要： PROBLEM TO BE SOLVED: To provide a fault diagnosis method which does not require time or work without adding excess measuring means or communication means in a photovoltaic power generation system.SOLUTION: A fault diagnosis method calculates first working voltage and first working current (S102) of a solar cell array at normal temperature under a measured amount of solar radiation pb, calculates working temperature Tb of the solar cell array (S103) with the use of the first working voltage and measured second working voltage, calculates third working current (S104) at normal temperature with the use of measured second working current and the working temperature Tb, compares the first working current with the third working current (S106), and calculates the number of solar cell modules having a disconnected wire in the solar cell array based on the comparison result.
摘要翻译：要解决的问题：提供不需要时间或工作的故障诊断方法，而不在太阳能发电系统中增加多余的测量装置或通信装置。解决方案：故障诊断方法在测量的太阳辐射pb下，在常温下计算太阳能电池阵列的第一工作电压和第一工作电流（S102），用太阳能电池阵列（S103）的工作温度Tb计算使用第一工作电压和测量的第二工作电压，使用测量的第二工作电流和工作温度Tb在常温下计算第三工作电流（S104），将第一工作电流与第三工作电流进行比较（S106），并根据比较结果计算太阳能电池阵列中具有断线的太阳能电池模块的数量。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JPH0438675A MULTIPLXING FILING DEVICE 失效
公开(公告)号：JPH0438675A
公开(公告)日：1992-02-07
申请号：JP14245790
申请日：1990-05-31
申请人： HITACHI LTD , HITACHI COMPUTER PERIPHERALS
发明人： KOJIMA AKIRA , HIROSE TSUNEO , TAKEMOTO KIYOTAKA , YUGAWA YOSHIO , NISHIMURA KENJI , KUBO MITSURU , TAKAYASU ATSUSHI , NAKAMURA AKIHIRO , KANEKO MASAMI
IPC分类号： G06F3/06 , G11B19/02 , G11B19/28
摘要： PURPOSE:To surely shorten the time required for access by shifting rotation reference positions of respective rotating storage mediums of plural rotating storage devices from the others by an arbitrary extent at any time and synchronously rotating them in this state. CONSTITUTION:A magnetic disk device S has the rotation reference position (rotation reference position signals 19m and 19s) relatively shifted from rotation position information 20m obtained from a magnetic disk device M by a desired angle (1/2 rotation=180 deg. in this case) and is rotated synchronously with the magnetic disk device M. Consequently, a target sector where object data is stored is accessed within a maximum of 1/2 rotation (that is, an average waiting time is the time of 1/4 rotation) in either magnetic disk device. Thus, the time required for read processing of specific data is considerably shortened.

9. 发明专利

JPS63313241A METHOD FOR STARTING CIRCUIT SUBSTRATE TESTING PROGRAM 失效
公开(公告)号：JPS63313241A
公开(公告)日：1988-12-21
申请号：JP14902487
申请日：1987-06-17
申请人： HITACHI LTD , HITACHI COMPUTER PERIPHERALS
发明人： YOSHIDA YUJI , NAKAMURA AKIHIRO , TOKIDA KATSUHIRO
IPC分类号： G06F11/22
摘要： PURPOSE:To improve the efficiency of a test by mechanically and electrically operating a switch to set up a self-diagnostic mode and detecting a signal consisting of a pulse string supplied from the outside of a device by a microcomputer to start a test program. CONSTITUTION:After turning off the switch, a pulse signal generator 5 and an electronic circuit substrate tester 6 are connected to an electronic circuit substrate 100 and a pattern having a time factor which can not be easily generated by manual operation is inputted. The microcomputer 1 starts the electronic circuit substrate testing program built in it based on the inputted pattern. The tester 6 monitors the operation of the substrate 100 which can be previously predicted from the program to analyze faults in the microcomputer 1, the electronic circuit substrate testing program itself, an input side logic circuit 2, and an output side logic circuit 3.

10. 发明专利

JPS63152011A MAGNETIC DISK DEVICE 失效
公开(公告)号：JPS63152011A
公开(公告)日：1988-06-24
申请号：JP29875386
申请日：1986-12-17
申请人： HITACHI LTD , HITACHI COMPUTER PERIPHERALS
发明人： ARAI TAKESHI , NAKAMURA AKIHIRO
IPC分类号： G11B5/00 , G11B5/455
摘要： PURPOSE:To eliminate the need for jumper setting by the type of a device and to facilitate support and maintenance by providing a counting circuit which counts the number of magnetic heads and a microprocessor which recognizes the kind of the device based on the information and informs the recognized result to a host system. CONSTITUTION:At the time of entering the power source of the device a control part 1 including the microprocessor selects a head number zero and transmits the information to a decoder 2. There, signals from the control part 1 are converted into the signals corresponding to the respective magnetic heads and the signals are transmitted to the respective magnetic heads 4 through head select lines 7-11. But all the head select lines do not have the heads concerning the type of the device. Then a head detection part 3 is provided on the head select line and checks if there is a head actually so as to return the information to the control part 1 through a head check line 6. Based on the information, the control part 1 decides whether or not the next head should be selected and also decides the type of the device according to the number of heads after a series of actions.

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