Power unit with controlled sparking

Details Power unit with controlled sparking Power unit with controlled sparking

1993-03-22

1996-05-07

Wong, Peter S.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Selective or optional sources

307 63, 307 77, H02J 100

Patent

active

055149162

ABSTRACT:
The power unit of the present invention provides an output voltage of a required value and polarity. By switching electro-mechanical switches connected between battery units and a solid-state switch connected to the output terminals in a specific order, non-sparking and low heat loss switching operations are provided.

REFERENCES:
patent: 3487229 (1969-12-01), Krausz
patent: 4742243 (1988-05-01), Zabar et al.

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