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| THE INVESTIGATION OF A THREE-PHASE CHARGING CIRCUIT BALANCED WITH ONE THYRISTOR |
| Gong Qiu-sheng |
| The Third Institute of National Hongdou Machine Manufacturing Factory |
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Abstract Based on the specific requirements of battery charging, a three-phase balanced eharg-ing circuit controlled with one thyristor is proposed. This circuit is free from the defects existing in general single-or three-phase thyristor charging circuit but has the abvantages of the both. It is capable of achievement of three-phase synchronous re-gulation throughout the whole range by a simple way. Thus, it is different from the traditional method. there is no need to adopt multi-thyristor in three-phase balanced network to balance and synchronize the regulated D.C. output voltage. The purpose of this paper is to present a new practical circuit which is not only simple, economic, but also able to be three-phase balanced in voltage regulation, thus providing a good design of charging equiplent controlled with one thyristor.
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Received: 20 May 1981
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1982, Vol. 4 
