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1. 发明专利

JP2004023860A Sodium-sulfur battery system for electric power storage with instantaneous drop countermeasure function 审中-公开
公开(公告)号：JP2004023860A
公开(公告)日：2004-01-22
申请号：JP2002173780
申请日：2002-06-14
申请人： Ngk Insulators Ltd , Takaoka Electric Mfg Co Ltd , Tokyo Electric Power Co Inc:The , Toshiba Corp , 日本碍子株式会社 , 東京電力株式会社 , 株式会社東芝 , 株式会社高岳製作所
发明人： SAKAI SUKEYUKI , ABE MINORU , ONO TAKAHIRO , TASHIRO YOICHIRO , TAKEDA HIDEO , KANAI TAKEO , YOSHII MAKOTO , ABE HIROYUKI
IPC分类号： H02J9/06 , H01M10/39 , H01M10/44 , H02J3/32
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a compact and low-cost rechargeable battery system for outputting the electric power which is multiple times of a nominal value without voltage drop at high outputting such as instantaneous drop compensation, and easily coping with occurrence of a problem with a single battery, with less effect on a power supply destination.
SOLUTION: A sodium-sulfur battery system 10 for storing an electric power which has an instantaneous countermeasure function is such rechargeable battery system as supplies power to a load 2 connected to a power grid 1 and is charged from the power grid 1 to compensate instantaneous drop or power interruption that occurs with the power grid 1. A plurality of power source units 11 which comprise a sodium-sulfur battery 3 which is a rechargeable battery and a DC chopper 5 are connected in parallel to the power grid 1, with the DC chopper 5 as the power grid 1 side.
COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2007149375A Reversed flow preventing device of fuel cell inverter 有权
标题翻译：燃料电池逆变器逆流预防装置
公开(公告)号：JP2007149375A
公开(公告)日：2007-06-14
申请号：JP2005338609
申请日：2005-11-24
申请人： Takaoka Electric Mfg Co Ltd , 株式会社高岳製作所
发明人： YOSHII MAKOTO , SUGIURA YUTAKA
IPC分类号： H01M8/04
CPC分类号： Y02E60/50
摘要： PROBLEM TO BE SOLVED: To provide a reverse flow preventing device of a fuel cell inverter in which a diode for inserting in series for preventing reverse flow of an electric current is deleted, and which can improve conversion efficiency of inverter, and can prevent reverse flow of current to the fuel cell side and prevent over-voltage operation of a fuel cell. SOLUTION: The reverse flow preventing device of fuel cell inverter comprises a reverse flow prevention control part. In a feedback control of this control part, when the instruction value PAC* of AC power is smaller than the lower limit value Plow, that lower limit value is made a new instruction value Pac* and a limit action restricting the lower limit is instructed to the control part of the inverter. In a constant current control on DC side, DC current Idc detected is made a feedback amount and given to a constant current control part 51 and an instruction value IDC* of the DC current is sent to the constant current control part 51, and by comparing with the feedback amount (Idc), an instruction value PAC* of the AC power is made to be output, and this is sent to the limiter 7 and the limiter action is made at the characteristics restricted to the lower limit value Plow. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种燃料电池逆变器的逆流防止装置，其中串联插入用于防止电流反向流动的二极管被删除，并且可以提高逆变器的转换效率，并且可以防止向燃料电池侧的电流的反向流动，并且防止燃料电池的过电压操作。解决方案：燃料电池逆变器的逆流防止装置包括逆流防止控制部。在该控制部的反馈控制中，当AC电力的指示值PAC *小于下限值Plow时，将该下限值设为新的指示值Pac *，并且指示限制下限的限制动作变频器的控制部分。在直流侧的恒流控制中，检测到的直流电流Idc成为反馈量，并赋予恒定电流控制部51，将直流电流的指示值IDC *发送到恒流控制部51，通过比较利用反馈量（Idc），输出AC电力的指令值PAC *，并将其发送到限幅器7，并且限制器动作以限于下限值Plow的特性进行。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JPH11214974A DRIVE CIRCUIT FOR VOLTAGE DRIVE TYPE ELEMENT 失效
公开(公告)号：JPH11214974A
公开(公告)日：1999-08-06
申请号：JP2635098
申请日：1998-01-26
申请人： TAKAOKA ELECTRIC MFG CO LTD
发明人： YOSHII MAKOTO , NAKANO YASUHIRO
IPC分类号： H03K17/687
摘要： PROBLEM TO BE SOLVED: To provide a drive circuit which suppresses the disturbance of a voltage waveform that drives a voltage drive type element and makes it capable of operating with the switching element of a small current rating. SOLUTION: A control part 10 which alternately performs on/off control of switching elements Q1 and Q2 is provided with a counter 11', which starts a count operation after receiving a gate signal G and means (logical circuit for codes 12a, 12b, 2a, 2b and 15 to 21) which output high frequency signals G1 and G2, which make the switching elements on/off based on the counter output. When a gate signal is on, a pulse whose duty factor is 50% is outputted from 1st and 2nd Or elements 12a and 12b, and the switching elements are alternately turned on. For a fixed period just after a gate signal has been turned on, two switching elements are turned into an on-state at the same time by the operation of logical elements 15 to 21, and after that a high frequency control signal similar to the normal which alternately performs on/off operations is produced.

4. 发明专利

JP2007149374A Reversed flow preventing device of fuel cell inverter 审中-公开
标题翻译：燃料电池逆变器逆流预防装置
公开(公告)号：JP2007149374A
公开(公告)日：2007-06-14
申请号：JP2005338608
申请日：2005-11-24
申请人： Takaoka Electric Mfg Co Ltd , 株式会社高岳製作所
发明人： YOSHII MAKOTO , SUGIURA YUTAKA
IPC分类号： H01M8/04
CPC分类号： Y02E60/50
摘要： PROBLEM TO BE SOLVED: To provide a reversed flow preventing device of a fuel cell inverter in which a diode for inserting in series for preventing reversed flow of an electric current is deleted, and which can improve conversion efficiency of inverter, and can prevent reverse flow of current to the fuel cell side and prevent over-voltage operation of a fuel cell.
SOLUTION: The reversed flow preventing device for fuel cell inverter comprises a reverse flow protection control part. In the control part, the status of reverse current is judged by two systems of the DC current Idc at input side and AC power P at output side, and when it is judged to be in reverse current state, the control of inverter is made in operation stop control. At input side, the DC current Idc is detected by sending it to reverse input side of a comparator 50 and comparing with 0 value of comparison reference, and at output side, AC voltage Vac and AC current Iac are sent to a multiplier 51 and the AC power P is calculated and the AC power P is sent to the reverse input side of the comparator 52 and, by comparing with the lower limit value Plow of the comparison reference, is detected. These detected signals are sent to an or-circuit 53 and detection is made double.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种燃料电池逆变器的逆流防止装置，其中串联插入用于防止电流反向流动的二极管被删除，并且可以提高逆变器的转换效率，并且可以防止向燃料电池侧的电流的反向流动，并且防止燃料电池的过电压操作。解决方案：用于燃料电池逆变器的逆流防止装置包括逆流保护控制部。在控制部分中，反向电流的状态由输入侧的直流电流Idc和输出侧的交流电力P的两个系统判定，当判定为反向电流状态时，逆变器的控制为操作停止控制。在输入侧，通过将比较器50的反向输入侧发送到比较器50的反向输入侧并与比较基准的0值进行比较来检测直流电流Idc，在输出侧，将交流电压Vac和AC电流Iac发送到乘法器51，计算交流电源P，并且将AC功率P发送到比较器52的反向输入侧，并且通过与比较基准的下限值Plow进行比较来检测。这些检测到的信号被发送到电路53，并将检测倍增。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007149373A Reversed flow preventing device of inverter for fuel cell 有权
标题翻译：燃料电池逆变器逆流预防装置
公开(公告)号：JP2007149373A
公开(公告)日：2007-06-14
申请号：JP2005338607
申请日：2005-11-24
申请人： Takaoka Electric Mfg Co Ltd , 株式会社高岳製作所
发明人： YOSHII MAKOTO , SUGIURA YUTAKA
IPC分类号： H01M8/04
CPC分类号： Y02E60/50
摘要： PROBLEM TO BE SOLVED: To provide a reversed flow preventing device of a fuel cell inverter in which a diode for inserting in series for preventing reversed flow of an electric current is deleted, and which can improve conversion efficiency of the inverter, and can prevent reverse flow of current to the fuel cell side and prevent overvoltage operation of a fuel cell. SOLUTION: The reverse flow protection device of fuel cell inverter has a reverse flow protection control part 5, and DC voltage Vdc and DC current Idc detected at input side of an inverter 2 are inputted to the reverse flow protection control part 5, and AC voltage Vac and AC current Iac detected at the output side of the inverter 2 are inputted to it, and based on these input and output state, judgement operation is made, and a protection operation of the reverse current and over-voltage is commanded to a control part 20 of the inverter 2. When the DC voltage Vdc on the input side is at a prescribed value or less, an operation of constant current control to follow the current command is performed, and when the DC voltage Vdc rises to a limit value Vlim, it is switched to a constant voltage control, and a limiter operation to limit rising of the voltage is performed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种燃料电池逆变器的逆流防止装置，其中串联插入用于防止电流反向流动的二极管被消除，这可以提高逆变器的转换效率，并且可以防止燃料电池侧的电流的反向流动，并且防止燃料电池的过电压运行。解决方案：燃料电池逆变器的逆流保护装置具有逆流保护控制部分5，并且在逆变器2的输入侧检测到的直流电压Vdc和直流电流Idc被输入到逆流保护控制部分5，并且在逆变器2的输出侧检测到的交流电压Vac和AC电流Iac被输入，并且基于这些输入和输出状态进行判定操作，并且指示反向电流和过电压的保护动作到逆变器2的控制部分20.当输入侧的直流电压Vdc为规定值以下时，进行跟随电流指令的恒定电流控制的动作，直流电压Vdc上升到限制值Vlim，切换到恒定电压控制，并且执行限制电压上升的限制器操作。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JPH11235053A POWER CONVERTER STACK 失效
公开(公告)号：JPH11235053A
公开(公告)日：1999-08-27
申请号：JP4301998
申请日：1998-02-10
申请人： TAKAOKA ELECTRIC MFG CO LTD
发明人： YOSHII MAKOTO , NAKANO YASUHIRO , KOBAYASHI YASUNORI
IPC分类号： H02M1/12 , H02M7/5387
摘要： PROBLEM TO BE SOLVED: To provide a power converter stack which equalizes inductance to the circuits of individual groups of capacitors, and uniformizes ripple currents. SOLUTION: On one end of a junction board 27 formed by joining a P-layer side conductor board 15 and an N-layer side conductor board 16 onto both surfaces of an insulating board 10, a positive-side DC terminal 11, an AC terminal 13, a negative-side DC terminal 12 are provided. Between a positive-side power line and a negative-side power line to be connected to the positive-side DC terminal and the negative-side DC terminal, a plurality of groups of capacitors 21a,...24c are connected in parallel, positive-side and negative-side IGBTs 18, 19 are connected in series. The IGBTs are arranged in the center collectively, and the groups of capacitors are arranged outside each IGBT uniformly. Both conductor boards have a specified pattern, and the IGBTs and capacitors are connected to individual terminals, and connection of the IGBTs is performed on the opposite side to the positions of installation of the positive-side and negative-side DC terminals. Along with it, both conductor boards are overlapped over at the pattern sections constituting the above- mentioned positive-side and negative-side power lines.

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