专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5298848A Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor 失效
标题翻译：用于驱动交流电动机的大容量变速PWM空间矢量型子谐波系统
公开(公告)号：US5298848A
公开(公告)日：1994-03-29
申请号：US797956
申请日：1991-11-26
申请人： Shigeta Ueda , Takashi Ikimi , Mitsuyuki Hombu , Noboru Ogawa , Yorito Jifuku , Kenzo Kamiyama
发明人： Shigeta Ueda , Takashi Ikimi , Mitsuyuki Hombu , Noboru Ogawa , Yorito Jifuku , Kenzo Kamiyama
IPC分类号： H02M5/45 , H02M7/515 , H02M7/521 , H02M7/527 , H02P27/06 , H03K17/0814 , H02P7/00
CPC分类号： H03K17/08144 , H02M5/4505 , H02M7/527 , H02P21/0089 , H02P21/02 , H02P21/06 , H03K2217/0081
摘要： A large capacity (1-2 MkVA) driving system for variable-speed-driving an AC motor by a power converter (inverter, converter) in which GTO (gate turn-off) thyristors are used as switching devices. In this system, high frequency GTO thyristors are connected in series, power converters are multiplexed, the AC motor is used in its plural phases, instantaneous spatial vector PWM (pulse width modulation) control is performed, vector control for the motor is performed, and a circuit for recovering snubber energy for GTO thyristors and a power factor adjusting circuit are provided. Thus, this driving system provides a torque ripple of 1% or less, speed response of 60 rad/sec or more, efficiency of 95% or more and a power factor of 98% or more.
摘要翻译：用于使用GTO（闸极关断）晶闸管作为开关装置的功率转换器（逆变器，转换器）来驱动交流电动机的大容量（1-2MkVA）驱动系统。在该系统中，高频GTO晶闸管串联连接，电源转换器多路复用，交流电机用于多相，进行瞬时空间矢量PWM（脉宽调制）控制，执行电机矢量控制，提供了用于恢复GTO晶闸管的缓冲能量的电路和功率因数调节电路。因此，该驱动系统提供1％以下的转矩脉动，60rad / sec以上的速度响应，95％以上的效率和98％以上的功率因数。

2. 发明授权

US4581693A Apparatus for repeatedly applying short-circuit pulses to a current type inverter for output current control 失效
标题翻译：用于对电流型逆变器反复施加短路脉冲以进行输出电流控制的装置
公开(公告)号：US4581693A
公开(公告)日：1986-04-08
申请号：US600902
申请日：1984-04-16
申请人： Shigeta Ueda , Mitsuyuki Hombu , Yasuo Matsuda
发明人： Shigeta Ueda , Mitsuyuki Hombu , Yasuo Matsuda
IPC分类号： H02M7/527
CPC分类号： H02M7/527
摘要： An apparatus for controlling a current type inverter including a bridge circuit of bridge-connected self-extinguish elements triggered by pulse width modulation signals. A current is provided for applying a single or plural triggering pulses having a desired pulse width to those self-extinguish elements connected in series with the other self-extinguish elements forming the pairs in the bridge circuit and which other self-extinguish elements are turned on by the pulse width modulation signals. By the above manner of control, the current type inverter can generate output currents of sinusoidal waveform, and the value of the output currents can be controlled over a very wide range.
摘要翻译：一种用于控制电流型逆变器的装置，包括由脉冲宽度调制信号触发的桥接自熄元件的桥式电路。提供电流以将具有期望脉冲宽度的单个或多个触发脉冲施加到与形成桥接电路中的对的其它自熄灭元件串联连接的那些自熄灭元件，以及其他自熄灭元件被接通通过脉宽调制信号。通过上述控制方式，电流型逆变器可以产生正弦波形的输出电流，可以在非常宽的范围内控制输出电流的值。

3. 发明授权

US4599685A Control circuit for power converter apparatus 失效
标题翻译：电源转换器控制电路
公开(公告)号：US4599685A
公开(公告)日：1986-07-08
申请号：US694668
申请日：1985-01-24
申请人： Mitsuyuki Hombu , Shigeta Ueda , Katsunori Suzuki , Yasuo Matsuda
发明人： Mitsuyuki Hombu , Shigeta Ueda , Katsunori Suzuki , Yasuo Matsuda
IPC分类号： H02M1/084 , H02M7/06 , H02M7/155 , H02M7/162 , H02M1/12
CPC分类号： H02M7/155 , H02M1/0845 , H02M7/1626
摘要： Disclosed is a control circuit for a power converter apparatus using self-extinction devices as switching devices, in which turn on and turn off operations of the self-extinction devices are controlled by gate pulses which have been subject to pulse width modulation with a pulse train having a pulse width which is sinusoidally varied, and, at the same time, the self-extinction devices in same phase are made conductive in a predetermined period corresponding to an output voltage reference value to make an output of the power converter apparatus be in a shorted state in the sense of DC current to thereby control the output of the power converter apparatus.
摘要翻译：公开了一种使用自消光装置作为开关装置的功率转换装置的控制电路，其中自消除装置的导通和关断操作由已经经过脉冲串脉冲宽度调制的栅极脉冲控制具有正弦变化的脉冲宽度，同时相同相位的自消光装置在对应于输出电压基准值的预定周期内导通，使得功率转换装置的输出为在DC电流的意义上的短路状态，从而控制电力转换装置的输出。

4. 发明授权

US4549259A Gate control circuit for current-type inverter apparatus 失效
标题翻译：电流型逆变器的门控电路
公开(公告)号：US4549259A
公开(公告)日：1985-10-22
申请号：US504436
申请日：1983-06-15
申请人： Shigeta Ueda , Mitsuyuki Hombu , Yasuo Matsuda
发明人： Shigeta Ueda , Mitsuyuki Hombu , Yasuo Matsuda
IPC分类号： H02M1/084 , H02M7/162 , H02M7/48 , H02M7/515
CPC分类号： H02M1/084 , H02M7/1623
摘要： A gate control circuit for current-type inverter apparatus having an inverter formed of self-extinction devices connected in a bridge form, comprises a logic circuit, pulse stretchers and gate amplifiers. When a frequency command signal is applied to the logic circuit, the logic circuit generates pulse signals for turning on or off the self-extinction devices, and the pulse signals are delayed for predetermined time in their trailing edges in response to the leading edges of the signals by the pulse stretchers so as to be extended, are amplified by the gate amplifiers, and then are supplied to the gates of the self-extinction devices.
摘要翻译：一种用于电流型逆变器装置的栅极控制电路，具有由桥接形式连接的自消除装置形成的反相器，包括逻辑电路，脉冲展宽器和栅极放大器。当频率指令信号被施加到逻辑电路时，逻辑电路产生用于接通或断开自消光器件的脉冲信号，并且脉冲信号在它们的后沿响应于前沿的延迟预定时间通过脉冲展开器进行扩展的信号由栅极放大器放大，然后被提供给自消光器件的栅极。

5. 发明授权

US4926306A Electric power converter 失效
标题翻译：电力转换器
公开(公告)号：US4926306A
公开(公告)日：1990-05-15
申请号：US389295
申请日：1989-08-03
申请人： Shigeta Ueda , Mitsuyuki Hombu , Kazuo Honda , Daisaku Morinaga
发明人： Shigeta Ueda , Mitsuyuki Hombu , Kazuo Honda , Daisaku Morinaga
IPC分类号： H02M7/48
CPC分类号： H02M7/5157
摘要： A power converter comprising: a three phase bridge circuit, each phase of which is composed of series-connected positive and negative arms, each of which arms includes series-connected GTOs; free-wheel diodes coupled in reverse parallel with every GTO; phase snubber circuits provided for every phase, each of which includes series-connected diodes coupled across the series-connected arms through a first capacitor, a junction of the diodes being coupled to a junction of the series-connected arms through a second capacitor and a junction of the first capacitor and the series-connected diodes being coupled to a negative dc terminal through a resistor; and individual snubber circuits provided in the respective GTOs, each of which includes a series connection of a diode and a third capacitor as well as a resistor connected in parallel with the diode; in which the first capacitor has capacitance much larger than the second capacitor, which in turn has capacitance much larger than the third capacitor.

6. 发明授权

US4757436A Current-type converter protecting apparatus 失效
标题翻译：电流型转换器保护装置
公开(公告)号：US4757436A
公开(公告)日：1988-07-12
申请号：US9478
申请日：1987-02-02
申请人： Shigeta Ueda , Mitsuyuki Hombu , Takeki Ando , Kazuhiko Sasaki , Kazuo Honda , Hideaki Takahashi
发明人： Shigeta Ueda , Mitsuyuki Hombu , Takeki Ando , Kazuhiko Sasaki , Kazuo Honda , Hideaki Takahashi
IPC分类号： H02H7/125 , H02M1/084 , H02M7/12 , H02M7/155 , H02M7/162 , H02M7/48
CPC分类号： H02M1/0845 , H02H7/1252 , H02M7/1626
摘要： In a current-type converter system in which a DC current is fed to a load through a pulsating current suppressing DC reactor from a current-type converter constituted by self-extinction elements connected in a bridge circuit, a converter protection apparatus is arranged such that when a fact that a terminal voltage of the DC reactor becomes an overvoltage is detected, the self-extinction elements are turned on so as to form a closed circuit including the DC reactor, the load, and the converter so that the overvoltage can be suppressed and continuous operation of the converter can be carried out.
摘要翻译：在直流电流通过脉冲电流抑制DC电抗器从由连接在桥式电路中的自消除元件构成的电流型转换器馈送到负载的电流型转换器系统中，转换器保护装置被布置成使得当检测到直流电抗器的端子电压变为过电压的事实时，自消除元件导通，形成包括直流电抗器，负载和转换器的闭合电路，从而能够抑制过电压并且可以进行转换器的连续操作。

7. 发明授权

US4672520A Current-source power converting apparatus with self-extinction devices 失效
标题翻译：具有自熄灭装置的电流源电力转换装置
公开(公告)号：US4672520A
公开(公告)日：1987-06-09
申请号：US789826
申请日：1985-10-21
申请人： Shigeta Ueda , Mitsuyuki Hombu , Kazuo Honda , Akiteru Ueda , Katsunori Suzuki , Seiya Shima
发明人： Shigeta Ueda , Mitsuyuki Hombu , Kazuo Honda , Akiteru Ueda , Katsunori Suzuki , Seiya Shima
IPC分类号： H02M7/155 , B66B1/30 , H02J9/06 , H02M5/45 , H02M7/12 , H02M7/48
CPC分类号： B66B1/30 , H02J9/062 , H02M5/4505 , Y10T307/625
摘要： A current-source power converting apparatus having a three phase AC-DC converter composed of self-extinction devices for converting an AC power furnished from an three phase AC power source into a DC power and a DC-AC inverter connected with the AC-DC converter through a DC reactor for re-converting the DC power into a three phase AC power to supply the re-converted power for a load. When the failure of the AC power source is detect according to one embodiment, the AC power source is detached from the AC-DC converter and a battery is connected between arbitrary two phases at the input end of the AC-DC converter. After that, the DC power of the battery is supplied for the DC-AC inverter intermittently by switching the corresponding self-extinction devices of the AC-DC converter and controlled by varying the duty ratio of the switching operation.
摘要翻译：一种具有三相AC-DC转换器的电流源电力转换装置，该三相AC-DC转换器由用于将从三相交流电源提供的AC电力转换为直流电力的自消除装置和与AC-DC连接的DC-AC逆变器转换器通过直流电抗器将直流电转换为三相交流电源，为负载提供重新转换的电力。当根据一个实施例检测到交流电源的故障时，交流电源从AC-DC转换器分离，电池在AC-DC转换器的输入端连接在任意两相之间。之后，通过切换AC-DC转换器的相应的自消除装置并通过改变开关操作的占空比进行控制，间断地为DC-AC逆变器提供电池的直流电力。

8. 发明授权

US06703874B2 Gate driver for MOS control semiconductor devices 失效
标题翻译：用于MOS控制半导体器件的栅极驱动器
公开(公告)号：US06703874B2
公开(公告)日：2004-03-09
申请号：US10436265
申请日：2003-05-13
申请人： Shuji Katoh , Shigeta Ueda , Hiromitsu Sakai , Takashi Ikimi , Tomomichi Ito
发明人： Shuji Katoh , Shigeta Ueda , Hiromitsu Sakai , Takashi Ikimi , Tomomichi Ito
IPC分类号： H03K300
CPC分类号： H02M1/32 , H03K17/0828 , H03K17/107
摘要： A gate driver is provided for controlling a gate voltage of each of a plurality of MOS control semiconductor devices, such as IGBTs or metal oxide MOS transistors, of a semiconductor power converter in which said MOS control semiconductors are connected in series with each other, the gate driver includes a power supply line having a higher potential than a gate potential on each of said MOS control semiconductor devices when in steady ON state, and an arrangement for supplying a current from the power source line to the gate of each of said MOS control semiconductors to increase the gate voltage of the MOS control semiconductor devices when a potential difference between said power supply line and an emitter of each of said MOS control semiconductors is constant and when a collector voltage of the MOS control semiconductor device exceeds a predetermined value under ON state of the MOS control semiconductor device.
摘要翻译：提供一种栅极驱动器，用于控制半导体功率转换器中的多个MOS控制半导体器件（例如IGBT或金属氧化物MOS晶体管）中的每一个的栅极电压，其中所述MOS控制半导体彼此串联连接，栅极驱动器包括在稳定导通状态时具有比每个所述MOS控制半导体器件上的栅极电位高的电位的电源线，以及用于将电流从电源线提供给每个所述MOS控制的栅极的装置半导体，当所述电源线和所述MOS控制半导体的每一个的发射极之间的电位差恒定时，以及当所述MOS控制半导体器件的集电极电压在ON时超过预定值时，增加所述MOS控制半导体器件的栅极电压 MOS控制半导体器件的状态。

9. 发明授权

US4965504A Control apparatus for inverter for driving AC motor 失效
标题翻译：用于驱动交流电动机的逆变器控制装置
公开(公告)号：US4965504A
公开(公告)日：1990-10-23
申请号：US406516
申请日：1989-09-13
申请人： Shigeta Ueda , Kazuo Honda , Takashi Ikimi , Toshihiko Matsuda , Hiroshi Nagase , Nobuyoshi Mutoh
发明人： Shigeta Ueda , Kazuo Honda , Takashi Ikimi , Toshihiko Matsuda , Hiroshi Nagase , Nobuyoshi Mutoh
IPC分类号： H02M7/5387
CPC分类号： H02M7/53873 , H02M2007/53876
摘要： A control apparatus for controlling a PWM inverter, the PWM inverter receiving AC power and generating an AC output having a controlled frequency to be supplied to an AC motor, comprises a circuit for generating, on the basis of a given running command, a PWM signal controlling the inverter with a given sampling period, and a circuit for controlling the PWM signal generating circuit, whereby the AC motor generates an electromagnetic tone preselected so as to correspond to desired information when the AC motor is driven by output of the inverter controlled by the PWM signal. The above described desired information may be information representing the running state of the motor or selected music.

10. 发明授权

US06809561B2 Semiconductor power converting apparatus 有权
标题翻译：半导体电力转换装置
公开(公告)号：US06809561B2
公开(公告)日：2004-10-26
申请号：US10638400
申请日：2003-08-12
申请人： Shuji Katoh , Shigeta Ueda , Hiromitsu Sakai , Takashi Ikimi , Tomomichi Ito
发明人： Shuji Katoh , Shigeta Ueda , Hiromitsu Sakai , Takashi Ikimi , Tomomichi Ito
IPC分类号： H03K300
CPC分类号： H02M1/32 , H03K17/0828 , H03K17/107
摘要： A semiconductor power converting apparatus including at least one series arrangement of MOS control semiconductor devices such as Insulator-gate Bipolar Transistors (IGBTs) or metal oxide MOS transistors which are respectively applied with a gate voltage under the control of corresponding a driver. The driver contains a supply line having a higher potential than a gate voltage of an IGBT coupled thereto when the IGBT is in a steady ON state, and is such that is causes an increase of the gate voltage of the IGBT in accordance with the current of the supply line when a potential difference between the power supply line and an emitter of the IGBT is constant and the collector voltage thereof exceeds a predetermined value under an ON state of the IGBT.
摘要翻译：一种半导体功率转换装置，包括在相应的驱动器的控制下分别施加栅极电压的MOS控制半导体器件如绝缘体 - 栅双极晶体管（IGBT）或金属氧化物MOS晶体管的至少一个串联布置。当IGBT处于稳定导通状态时，驱动器具有比与其耦合的IGBT的栅极电压更高的电位的电源线，并且使得根据电流的电流使IGBT的栅极电压增加在IGBT的导通状态下，当电源线和IGBT的发射极之间的电位差恒定并且集电极电压超过预定值时，电源线。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式