Switching network control arrangement

Details Switching network control arrangement Switching network control arrangement

1977-10-27

1978-08-29

Robinson, Thomas A.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307252J, H04Q 350, H03K 1772

Patent

active

041105664

ABSTRACT:
A thyristor switching network is disclosed in which the switching network control provides both crosspoint audit and centralized control capabilities. The switching network control circuit contains three signal generators each of which generates a particular control signal when enabled. A distribution circuit is also provided to connect each of the signal generators to a corresponding terminal of a selected thyristor crosspoint element. In this manner, the signal generators directly control the voltage appearing at any terminal of any crosspoint element and can be used to turn on, turn off, or audit the busy/idle status of any selected thyristor crosspoint element. Also, the thyristor crosspoints are switched on in the zero voltage mode and the dV/dt across the selected thyristor crosspoint element is controlled by the signal generators to eliminate false firing of the thyristor crosspoints.

REFERENCES:
patent: 3772530 (1973-11-01), Sinclair
patent: 3819867 (1974-06-01), McCarthy et al.
patent: 4061884 (1977-12-01), Adrian

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