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公开(公告)号：US5424937A
公开(公告)日：1995-06-13
申请号：US073392
申请日：1993-06-09
CPC分类号： H03K17/08144 , H02M1/08 , H02M1/088 , H03K2217/0036 , H03K2217/0081
摘要： An electric power converter comprising a plurality of reactors, a plurality of self quenching type switching elements, the reactors and switching elements being series-connected per one arm, and surge-absorbing snubber circuits connected in parallel to the switching elements respectively, the switching circuits being driven by gate drive circuits connected to respective gates of the switching elements to thereby convert a DC voltage into an AC voltage or convert an AC voltage into a DC voltage. The electric power converter further comprises: an apparatus for recovering energy accumulated on at least one side of the reactors and the snubber circuits and an apparatus for generating a DC source for supplying electric power to each of the gate drive circuits, on the basis of the recovered energy. In the electric power converter constituted by a plurality of self quenching type semiconductor switching elements connected in series, high efficiency is attained through reduction in size of the gate driver and electric power saving.
摘要翻译： 一种电力转换器，包括多个反应器，多个自熄型开关元件，每个臂串联连接的电抗器和开关元件以及分别与开关元件并联连接的浪涌吸收缓冲电路，开关电路 由连接到开关元件的各个栅极的栅极驱动电路驱动，从而将DC电压转换为AC电压或将AC电压转换为DC电压。 电力转换器还包括：用于回收积聚在电抗器的至少一侧的能量的装置和缓冲电路，以及用于产生用于向每个栅极驱动电路提供电力的DC源的装置， 恢复能量。 在由串联连接的多个自熄型半导体开关元件构成的电力转换器中，通过减小栅极驱动器的尺寸和节省电力来实现高效率。
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公开(公告)号：US06380796B2
公开(公告)日：2002-04-30
申请号：US09838470
申请日：2001-04-20
IPC分类号： H03K17687
CPC分类号： H02M1/08 , H03K4/00 , H03K17/166 , H03K17/168
摘要： A semiconductor power converting apparatus includes a semiconductor element for controlling a current flowing between a collector and an emitter in response to a gate condition, a driving device connected to the gate, for driving the gate in response to a drive signal entered thereinto, a voltage applying device for applying both a forward bias and a reverse bias to the gate so as to set the emitter of the semiconductor element to a neutral potential, and a voltage dividing device for dividing a voltage appearing between the collector and the emitter of the semiconductor element, in which the drive signal is under OFF state, a voltage produced based upon the divided voltage by the voltage dividing device is applied to the gate, and the gate voltage is controlled in response to the voltage appearing between the collector and the emitter of the semiconductor element, thereby reducing the snubbed loss.
摘要翻译： 半导体功率转换装置包括：半导体元件，用于响应于栅极条件控制在集电极和发射极之间流动的电流;连接到栅极的驱动装置，用于响应输入的驱动信号驱动栅极;电压 施加装置，用于向栅极施加正向偏压和反向偏压，以将半导体元件的发射极设置为中性电位;以及分压装置，用于分割半导体元件的集电极和发射极之间的电压 ，其中驱动信号处于OFF状态，将通过分压装置分压的电压产生的电压施加到栅极，并且响应于集电极和发射极之间出现的电压来控制栅极电压 半导体元件，从而减少缓冲损耗。
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公开(公告)号：US06242968B1
公开(公告)日：2001-06-05
申请号：US09642816
申请日：2000-08-22
IPC分类号： H03K17687
CPC分类号： H02M1/08 , H03K4/00 , H03K17/166 , H03K17/168
摘要： A semiconductor power converting apparatus includes a semiconductor element for controlling a current flowing between a collector and an emitter in response to a gate condition, a driving device connected to the gate, for driving the gate in response to a drive signal entered thereinto, a voltage applying device for applying both a forward bias and a reverse bias to the gate so as to set the emitter of the semiconductor element to a neutral potential, and a voltage dividing device for dividing a voltage appearing between the collector and the emitter of the semiconductor element, in which the drive signal is under OFF state, a voltage produced based upon the divided voltage by the voltage dividing device is applied to the gate, and the gate voltage is controlled in response to the voltage appearing between the collector and the emitter of the semiconductor element, thereby reducing the snubbed loss.
摘要翻译： 半导体功率转换装置包括：半导体元件，用于响应于栅极条件控制在集电极和发射极之间流动的电流;连接到栅极的驱动装置，用于响应输入的驱动信号驱动栅极;电压 施加装置，用于向栅极施加正向偏压和反向偏压，以将半导体元件的发射极设置为中性电位;以及分压装置，用于分割半导体元件的集电极和发射极之间的电压 ，其中驱动信号处于OFF状态，将通过分压装置分压的电压产生的电压施加到栅极，并且响应于集电极和发射极之间出现的电压来控制栅极电压 半导体元件，从而减少缓冲损耗。
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公开(公告)号：US4100434A
公开(公告)日：1978-07-11
申请号：US669751
申请日：1976-03-24
申请人： Ryuji Iyotani , Atsumi Watanabe , Hisao Amano , Fumio Ogata
发明人： Ryuji Iyotani , Atsumi Watanabe , Hisao Amano , Fumio Ogata
摘要： A gate controlling apparatus for a thyristor valve including a plurality of series connected thyristors controlled by a narrow gate pulse. The apparatus includes means for judging whether the thyristor valve is to be in the conductive state or not, means for detecting a forward voltage across at least one of the thyristors in the thyristor valve, and an AND circuit for generating an output at a time when an AND condition between the respective outputs of the judging means and the forward voltage detector means is satisfied. The apparatus further includes means for detecting a period of inverse voltage across at least one of the thyristors in the thyristor valve. The forward and inverse voltages may be, respectively, detected by detecting the forward and inverse voltages of specified thyristors.
摘要翻译： 一种用于晶闸管阀的门控制装置，包括由窄门脉冲控制的多个串联连接的晶闸管。 该装置包括用于判断晶闸管阀是否处于导通状态的装置，用于检测晶闸管阀中的至少一个晶闸管的正向电压的装置，以及用于产生输出的“与”电路， 满足判断装置和正向电压检测装置的各个输出之间的“与”条件。 该装置还包括用于检测跨越可控硅阀中的至少一个晶闸管的反向电压周期的装置。 分别通过检测指定晶闸管的正向和反向电压来检测正向和反向电压。
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公开(公告)号：US4223236A
公开(公告)日：1980-09-16
申请号：US924007
申请日：1978-07-12
申请人： Ryuji Iyotani , Atsumi Watanabe
发明人： Ryuji Iyotani , Atsumi Watanabe
CPC分类号： H02M1/088
摘要： A thyristor valve includes a plurality of thyristors connected in series and series circuits each including a capacitor and a resistor and connected in parallel with each thyristor. A pulse from a pulse generator for firing the thyristors is applied to them at the beginning of a prescribed period of conduction of the thyristor valve when voltage across the selected one of the thyristors is forward. An output signal of a current detector provides a firing pulse to all thyristors when the valve current exceeds a predetermined current value during the prescribed period of conduction of the thyristor valve.
摘要翻译： 晶闸管阀包括串联连接的多个晶闸管和各自包括电容器和电阻器的串联电路，并且与每个晶闸管并联连接。 来自用于点击晶闸管的脉冲发生器的脉冲在晶闸管的规定的导通时段的开始时施加到晶闸管的所选择的一个晶闸管上的电压向前。 电流检测器的输出信号在晶闸管阀的规定导通期间当阀电流超过预定电流值时向所有晶闸管提供点火脉冲。
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