Circuit arrangement for supplying variable loads from three...

Details Circuit arrangement for supplying variable loads from three... Circuit arrangement for supplying variable loads from three...

2008-01-17

2010-12-14

Fleming, Fritz M (Department: 2836)

Electrical transmission or interconnection systems

Plural load circuit systems

Control of current or power

C307S034000, C307S036000, C307S037000

Reexamination Certificate

active

07851942

ABSTRACT:
Disclosed is a circuit arrangement for supplying variable loads (I1, I2, M1, M2, O1, O2, O3) from three phases (L1, L2, L3), with a circuit arrangement having four groups of terminals (A11, A12, A13, A14; A21, A22, A23, A24; A31, A32; A41, A42, A43) for the loads (I1, I2, M1, M2, O1, O2, O3) which are subsequently designated as terminal groups; the circuit arrangement is suitable and set up for supplying the terminals (A21, A22, A23, A24) of the second terminal group from the first phase (L1); the circuit arrangement is suitable and set up for supplying the terminals (A41, A42, A43) of the fourth terminal group from a second phase (L2); the circuit arrangement is suitable and set up for supplying the terminals (A11, A12, A13) of the first terminal group and the third terminal group (A31, A32) from a third phase (L3); the circuit arrangement is suitable and set up for controlling the voltage of the four terminal groups, and exhibits three control loops for this purpose.

REFERENCES:
patent: 3796890 (1974-03-01), Thompson et al.
patent: 4562338 (1985-12-01), Okami
patent: 2008/0179952 (2008-07-01), Vollmar et al.
patent: 2927284 (2007-07-01), None
patent: 203 18 061 (2004-03-01), None
patent: 20 2004 004 665 (2004-07-01), None
patent: 20 2004 014 812 (2004-12-01), None

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