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1. 发明专利

JP2006238516A Load driving unit 审中-公开
标题翻译：负载驱动单元
公开(公告)号：JP2006238516A
公开(公告)日：2006-09-07
申请号：JP2005045542
申请日：2005-02-22
申请人： Ishikawajima Harima Heavy Ind Co Ltd , Ishikawajima Transport Machinery Co Ltd , 石川島播磨重工業株式会社 , 石川島運搬機械株式会社
发明人： SHIGA YUJI , IMAZEKI MASANORI , SHIMODA SUSUMU , AKUNE KEI , NISHIKAWA TAKAAKI
IPC分类号： H02P27/06 , H02J3/32 , H02J7/34 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a simple constitution of a load driving unit which can surely get large power required for drive of a load from a capacitor and surely recover regenerative power yielded from the load into the capacitor. SOLUTION: The load driving unit possesses an AC/DC converter 2 which converts AC power given from an external power source into DC power, an inverter 5 which converts DC power output from this AC/DC converter into AC power whose voltage and frequency are controlled so as to drive the load, and a capacitor 3 which accumulates DC power output from the AC/DC converter 2 and regenerative power recovered from the load via the inverter. Especially, a DC/DC converter 8, which steps up and steps down voltage of DC power and regenerative power and inputs it into the capacitor and outputs it from there, is provided on the previous stage of the capacitor thereby widening the range of DC voltage added to the capacitor 3 and increasing the quantity of its input/output energy. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种负载驱动单元的简单结构，其可以确实获得来自电容器的负载驱动所需的大功率，并且可靠地恢复从负载到电容器的再生功率。
解决方案：负载驱动单元具有将从外部电源提供的AC电力转换为DC电力的AC / DC转换器2，将从该AC / DC转换器输出的DC电力转换为AC电力的逆变器5，控制频率以驱动负载;以及电容器3，其累积从AC / DC转换器2输出的直流电力和经由逆变器从负载恢复的再生电力。特别地，在电容器的前一级提供升压和降压直流电源电压和再生电力并将其输入电容器并从其输出的DC / DC转换器8，从而扩大直流电压的范围添加到电容器3并增加其输入/输出能量的量。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2006238519A Load driving unit 审中-公开
标题翻译：负载驱动单元
公开(公告)号：JP2006238519A
公开(公告)日：2006-09-07
申请号：JP2005045545
申请日：2005-02-22
申请人： Ishikawajima Harima Heavy Ind Co Ltd , Ishikawajima Transport Machinery Co Ltd , 石川島播磨重工業株式会社 , 石川島運搬機械株式会社
发明人： SHIGA YUJI , IMAZEKI MASANORI , TAWARA TAKEO , SHIMODA SUSUMU , AKUNE KEI
IPC分类号： H02P27/06 , B66C13/30 , H02M7/797
摘要： PROBLEM TO BE SOLVED: To provide a load driving unit which can efficiently perform the drive of a load by the power accumulated in a capacitor and the recovery of regenerative power from the load by properly controlling the quantity of power to be accumulated in the capacitor. SOLUTION: This load driving unit possesses an AC/DC converter 2 which charges the capacitor 3 with power given from an external power source 1 and regenerates the accumulated power of the capacitor into an external power source, and an inverter 5 which drives the load, using the power accummulted in the capacitor 3, and also accumulates the regenerative power obtained from the load into the capacitor 3. A controller, which controls the operation of the AC/DC converter 2, makes it perform the power supply operation from the external power source 1 while limiting the current when the detected value of DC voltage is between the upper limit value of DC voltage and the lower limit value of the DC voltage, and makes it perform the power regenerative operation to the external power source 1 by lifting the limitation on the current when the detected value of the DC voltage is over the upper limit value of the DC voltage, and makes it perform the power supply operation from the external power source by lifting the limitation on the current when the detected value of the DC voltage is under the lower limit value of the DC voltage. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种负载驱动单元，其可以通过积累在电容器中的功率有效地执行负载的驱动，并且通过适当地控制要累积的功率的量来从负载恢复再生功率电容器。
解决方案：该负载驱动单元具有AC / DC转换器2，其从外部电源1给出的功率对电容器3充电，并将电容器的累积功率再生成外部电源;以及逆变器5，其驱动使用蓄积在电容器3中的功率的负载，并且将从负载获得的再生功率累积到电容器3中。控制AC / DC转换器2的操作的控制器使其从外部电源1，当直流电压的检测值在直流电压的上限值与直流电压的下限值之间时限制电流，并且使其通过以下方式对外部电源1进行功率再生操作：当直流电压的检测值超过直流电压的上限值时，提高对电流的限制，并使其从外部电源当直流电压的检测值低于直流电压的下限值时，提升对电流的限制。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006238517A Load driving unit 有权
标题翻译：负载驱动单元
公开(公告)号：JP2006238517A
公开(公告)日：2006-09-07
申请号：JP2005045543
申请日：2005-02-22
申请人： Ishikawajima Harima Heavy Ind Co Ltd , Ishikawajima Transport Machinery Co Ltd , 石川島播磨重工業株式会社 , 石川島運搬機械株式会社
发明人： SHIGA YUJI , IMAZEKI MASANORI , SHIMODA SUSUMU , AKUNE KEI , NISHIKAWA TAKAAKI
IPC分类号： H02P27/06 , B66C13/28 , H02M7/68
摘要： PROBLEM TO BE SOLVED: To provide a load driving unit which can efficiently perform the drive of a load by the power accumulated in a capacitor and the accumulation of regenerative power recovered from the load. SOLUTION: The load driving unit possesses an AC/DC converter 2 which converts AC power given from an external power source 1 into DC power and accumulates it in the capacitor 3 and also regenerates power accumulated in the capacitor 3 into the external power source, and an inverter which drives the load, using the power accummulted in the capacitor 3, and also accumulates the regenerative power obtained from the load into the capacitor 3. Especially, a controller, which controls the operation of the AC/DC converter 2, makes it perform the power supply operation from the external power source 1 while limiting the current when the detected value of DC voltage on the DC side of the converter is smaller than the set value of DC voltage, and makes it perform the power regenerative operation to the external power source 1 while limiting the current when conversely the detected value of the DC voltage is larger than the set value of DC voltage. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种负载驱动单元，其可以通过积聚在电容器中的功率和从负载恢复的再生电力的累积来有效地执行负载的驱动。解决方案：负载驱动单元具有将从外部电源1给出的交流电力转换成直流电力并将其积蓄在电容器3中的AC / DC转换器2，并将蓄积在电容器3中的电力再生成外部电力源极和使用蓄积在电容器3中的电力驱动负载的逆变器，并且还将从负载获得的再生功率累积到电容器3.特别地，控制AC / DC转换器2的操作的控制器使得当直流侧直流电压的检测值小于直流电压的设定值时，从外部电源1进行电源供给动作，同时限制电流，并进行电力再生运转相反地，直流电压的检测值大于直流电压的设定值时，限制电流。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006238518A Load drive unit 审中-公开
标题翻译：负载驱动单元
公开(公告)号：JP2006238518A
公开(公告)日：2006-09-07
申请号：JP2005045544
申请日：2005-02-22
申请人： Ishikawajima Harima Heavy Ind Co Ltd , Ishikawajima Transport Machinery Co Ltd , 石川島播磨重工業株式会社 , 石川島運搬機械株式会社
发明人： SHIGA YUJI , IMAZEKI MASANORI , SHIMODA SUSUMU , AKUNE KEI , NISHIKAWA TAKAAKI
IPC分类号： H02M7/12 , B66C13/23 , B66C13/28
摘要： PROBLEM TO BE SOLVED: To provide a load drive unit that is simply constituted, and can safely and surely charge at an initial stage a power accumulating capacitor, in particular, a large-capacity electric double-layered capacitor.
SOLUTION: The load drive unit comprises: an AC/DC converter that converts AC power imparted by an external power supply to DC power; an inverter that converts the DC power outputted from the AC/DC converter to AC power whose voltage and frequency are controlled, and drives a load, for example, a motor; and the capacitor (electric double-layered capacitor) that accumulates the DC power outputted from the AC/DC converter, and regenerative power collected from the load through the inverter. A current suppressor that suppresses an initial charging current to the capacitor is arranged at the input side or the output side of the AC/DC converter, and a bypass circuit (switch element) that bypasses the current suppressor after the completion of initial charging to the capacitor is arranged.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供简单构成的负载驱动单元，并且可以在初始阶段安全且可靠地对功率积蓄电容器，特别是大容量双电层电容器进行充电。解决方案：负载驱动单元包括：将由外部电源施加的交流电力转换为直流电力的AC / DC转换器; 将从AC / DC转换器输出的直流电力转换为电压和频率被控制的交流电的逆变器，驱动负载例如电动机; 以及积蓄从AC / DC转换器输出的直流电力的电容器（双电层电容器），以及通过逆变器从负载收集的再生电力。在AC / DC转换器的输入侧或输出侧配置有抑制向电容器的初始充电电流的电流抑制器，以及在初始充电完成之后绕过电流抑制器的旁路电路（开关元件）设置电容器。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2006238520A Load drive unit 有权
标题翻译：负载驱动单元
公开(公告)号：JP2006238520A
公开(公告)日：2006-09-07
申请号：JP2005045546
申请日：2005-02-22
申请人： Ishikawajima Harima Heavy Ind Co Ltd , Ishikawajima Transport Machinery Co Ltd , 石川島播磨重工業株式会社 , 石川島運搬機械株式会社
发明人： SHIGA YUJI , IMAZEKI MASANORI , TAWARA TAKEO , SHIMODA SUSUMU , AKUNE KEI
IPC分类号： H02M7/12 , H02M7/48 , H02P27/06
摘要： PROBLEM TO BE SOLVED: To provide a load drive unit that can properly control electrical energy accumulated in a capacitor according to the operation condition of a load. SOLUTION: The load drive unit comprise: an AC/DC converter that accumulates power imparted from an external power supply in the capacitor, and collects the power accumulated in the capacitor to the external power supply; and an inverter that drives the load by using the power accumulated in the capacitor, and accumulates regenerative power obtained from the load. A controller for controlling the operation of the AC/DC converter determines a set voltage that controls a charging amount of the capacitor by predicting an amount of the power-factor drive power of the load or an amount of regenerative power form the load in accordance with the state quantity of the load. When a voltage of the capacitor is lower than the set voltage, a power supply operation from the external power supply is conducted, and when the voltage of the capacitor is higher than the set voltage, a power regeneration operation to the external power supply is conducted. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够根据负载的运行状况适当地控制电容器中累积的电能的负载驱动单元。负载驱动单元包括：AC / DC转换器，其累积从电容器中的外部电源施加的功率，并将累积在电容器中的功率收集到外部电源; 以及通过使用蓄积在电容器中的功率驱动负载并累积从负载获得的再生电力的逆变器。用于控制AC / DC转换器的操作的控制器通过根据以下方式预测负载的功率因数驱动功率的量或从负载形成的再生能量的量来确定控制电容器的充电量的设定电压负载的状态量。当电容器的电压低于设定电压时，进行来自外部电源的供电动作，当电容器的电压高于设定电压时，对外部电源进行电力再生动作。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2006238515A Load driving unit 审中-公开
标题翻译：负载驱动单元
公开(公告)号：JP2006238515A
公开(公告)日：2006-09-07
申请号：JP2005045541
申请日：2005-02-22
申请人： Ishikawajima Harima Heavy Ind Co Ltd , Ishikawajima Transport Machinery Co Ltd , 石川島播磨重工業株式会社 , 石川島運搬機械株式会社
发明人： SHIGA YUJI , IMAZEKI MASANORI , SHIMODA SUSUMU , AKUNE KEI , NISHIKAWA TAKAAKI
IPC分类号： H02P27/06 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a simple constitution of a load driving unit which can surely get large power required for drive of a load from a capacitor and surely recover regenerative power yielded from the load into the capacitor. SOLUTION: The load driving unit possesses an AC/DC converter 2 which converts AC power given from an external power source into DC power, an inverter 5 which converts DC power output from this AC/DC converter into AC power whose voltage and frequency are controlled so as to drive the load, and a capacitor 3 which accumulates DC power output from the AC/DC converter and regenerative power recovered from the load via the inverter. Especially, a booster, which boosts voltage of AC power given from the external power source and supplies it to the AC/DC converter, is provided on the previous stage of the AC/DC converter thereby widening the range of DC voltage added to the capacitor and increasing the quantity of its input/output energy. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种负载驱动单元的简单结构，其可以确实获得来自电容器的负载驱动所需的大功率，并且可靠地恢复从负载到电容器的再生功率。
解决方案：负载驱动单元具有将从外部电源提供的AC电力转换为DC电力的AC / DC转换器2，将从该AC / DC转换器输出的DC电力转换为AC电力的逆变器5，控制频率以驱动负载，以及电容器3，其累积从AC / DC转换器输出的直流电力和经由逆变器从负载恢复的再生电力。特别地，在AC / DC转换器的前一级提供从外部电源提供的交流电源的电压并将其提供给AC / DC转换器的升压器，从而扩大了添加到电容器的直流电压的范围并增加其输入/输出能量的数量。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006230040A Inertial load driving unit 有权
标题翻译：惯性负载驱动单元
公开(公告)号：JP2006230040A
公开(公告)日：2006-08-31
申请号：JP2005037591
申请日：2005-02-15
申请人： Ishikawajima Harima Heavy Ind Co Ltd , 石川島播磨重工業株式会社
发明人： IMAZEKI MASANORI , SHIGA YUJI
IPC分类号： H02P27/06 , F16F15/02 , H02M7/48 , H02P29/00
摘要： PROBLEM TO BE SOLVED: To provide an inertial load driving unit which can drive a motor by effectively utilizing the regenerative power energy obtained at deceleration of an inertial load, and also can reduce the capacity of a power facility. SOLUTION: This unit possesses a motor (2) which accelerates and decelerates the inertial load 1, according to the shake of the damping object, a converter (6) which gets DC power energy from input AC power, a capacitor (7) which accumulates DC power energy obtained via this converter, and an inverter (8) which drives the motor (2), using the DC power accumulated in this capacitor and the DC power energy obtained via the above converter, and also accumulates the regenerative power energy obtained via the motor (2), in the above capacitor (7). This is equipped with a controller (9) which controls the operation of the inverter (8), based on the load energy added to, especially, the motor (2), and also controls the output voltage of the converter (6) thereby controlling the charge and discharge of the capacitor (7). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种惯性负载驱动单元，其可以通过有效地利用在惯性负载减速时获得的再生能量来驱动电动机，并且还可以降低电力设施的容量。解决方案：该单元具有电动机（2），根据阻尼对象的抖动，从输入交流电源获得直流电能的转换器（6），电容器（7）的惯性负载1加速和减速）累积通过该转换器获得的直流电力能量;以及逆变器（8），其使用在该电容器中蓄积的直流电力和通过上述转换器获得的直流电力来驱动电动机（2），并且还累积再生电力在上述电容器（7）中经由马达（2）获得的能量。它配备有控制器（9），其基于与马达（2）特别是加载的负载能量来控制逆变器（8）的操作，并且还控制转换器（6）的输出电压从而控制电容器（7）的充放电。版权所有（C）2006，JPO＆NCIPI

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