Apparatus for improving rise characteristics of direct current p

Details Apparatus for improving rise characteristics of direct current p Apparatus for improving rise characteristics of direct current p

1992-09-10

1995-02-21

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

363 49, 323901, H02J 700

Patent

active

053919270

ABSTRACT:
If a rectifier having Walk-in characteristics is directly connected to a dc-dc converter, an output current of the rectifier violently fluctuates because of the Walk-in characteristics of the rectifier. The Walk-in characteristics have been improved by connecting an apparatus in parallel with the rectifier. The apparatus includes a storage battery and a switch. During the Walk-in period, the switch is closed and the storage battery supplements the capacity of the rectifier. After that, the switch is opened and the storage battery is charged by a current flowing through a diode and a resistor.

REFERENCES:
patent: 4544910 (1985-09-01), Hoberman
patent: 4672293 (1987-06-01), Crampton

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