公开(公告)号：US3543105A

公开(公告)日：1970-11-24

申请号：US3543105D

申请日：1968-07-01

Applicant: ASEA AB

Inventor： SVEDBERG PER ,  VEDIN BENGT-ARNE ,  MALEN KARL ,  BOKSJO CARL INGVAR ,  OLSSON KARL ERIK ,  SPICAR ERICH

IPC: H01L29/00 ,  H01L29/36 ,  H01L29/40 ,  H01L29/73 ,  H01L29/74 ,  H01L11/10

CPC classification number: H01L29/73 ,  H01L29/00 ,  H01L29/36 ,  H01L29/40 ,  H01L29/74

公开(公告)号：US3865438A

公开(公告)日：1975-02-11

申请号：US784370

申请日：1970-02-02

Applicant: ASEA AB

Inventor： BOKSJO CARL INGVAR ,  OLSSON KARL ERIK

IPC: H02M1/088 ,  H02M7/00 ,  H02M7/757 ,  H02M1/18

CPC classification number: H02M1/088 ,  H02M7/00 ,  H02M7/7575 ,  Y02E60/60

Abstract: In a static converter with thyristor-rectifiers, a protection against auto-ignition includes an arrangement for sensing the polarity over the rectifier, and an And-gate. The sensing arrangement emits a first signal to the And-gate when a voltage after a commutation becomes negative and a second signal when a voltage after a commutation becomes positive. The And-gate is connected to the ignition system of the rectifiers to supply both signals thereto. The connecting means for the first signal includes a delay device which delays the signal by a time corresponding to the longest recovery time for the thyristors, so that, if the second signal is emitted during this time, an ignition signal is allowed to pass the And-gate.

Abstract translation: 在具有晶闸管整流器的静态转换器中，防止自动点火的保护包括用于感测整流器极性的安排和与门。 当换向之后的电压变为负时，感测装置向And-gate发射第一信号，当换向之后的电压变为正时，感测装置发出第一信号。 和门连接到整流器的点火系统以向其提供两个信号。 用于第一信号的连接装置包括延迟装置，该延迟装置将信号延迟与晶闸管的最长恢复时间相对应的时间，使得如果在该时间期间发射第二信号，则允许点火信号通过And -门。

公开(公告)号：US3628035A

公开(公告)日：1971-12-14

申请号：US3628035D

申请日：1970-08-13

Applicant: ASEA AB

Inventor： OLSSON KARL ERIK ,  HELLGREN KEIJO ,  LINDBLOM GEORGE

IPC: H01L25/03 ,  H01L31/111 ,  H02M1/096 ,  G02B5/14

CPC classification number: H02M1/096 ,  H01L25/03 ,  H01L31/1113 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A thyristor rectifier for high voltage is formed of a number of series connected thyristors each having its own control circuit to which control pulses are supplied by a common control device. Glass fiberlike conductors are used for transmitting the control pulses in the form of light pulses. The light intensity of the light pulses to some of the thyristors is adjusted in relation to others so as to adjust the firing times in relation to each other.