H - Electricity – 02 – H
Patent
H - Electricity
02
H
321/91
H02H 7/125 (2006.01) H02M 7/162 (2006.01)
Patent
CA 2012578
Disclosed is an improved electric power conversion system comprising a multi-phase bridge circuit composed of semiconductors such as thyristors and an associated firing circuit. It is so constructed that: if the AC input current Iac flowing in said bridge circuit is equal to or larger in value than the DC output current Idc flowing out of the bridge circuit, it will be decided that an inner defect or fault is caused, and possible expansion of inner defect will be prevented by disabling the firing circuit to extinguish said thyristors in the bridge circuit, and if the AC input current Iac is smaller than the DC output current Idc in value, the bridge is permitted to continue the operation of power conversion, thus eliminating unnecessary interruption which otherwise would be caused by exterior disturbances. Also, an improved electric power conversion system may be equipped with a device to prevent an adverse effect from being caused by abnormal rise of thyristors' temperature.
Bando Akira
Kawai Tadao
Kita Eizo
Mitsuhashi Keiichi
Nakagawa Hiroto
Bando Akira
Hitachi Ltd.
Kawai Tadao
Kirby Eades Gale Baker
Kita Eizo
LandOfFree
Semiconductor electric power conversion system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Semiconductor electric power conversion system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Semiconductor electric power conversion system will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1526590