Co-controller for controlling an LTC transformer with a standard

Details Co-controller for controlling an LTC transformer with a standard Co-controller for controlling an LTC transformer with a standard

1992-12-15

1995-09-12

Pellinen, A. D.

Electricity: power supply or regulation systems

Output level responsive

Using a transformer or inductor as the final control device

323255, 323258, 323340, G05F 1153

Patent

active

054500028

ABSTRACT:
A co-controller provides communication between a standard voltage regulator controller and an LTC transformer, to enable the standard controller to be used in the operation of the LTC transformer. The co-controller generally consists of an interface circuit and a control circuit. The interface circuit receives status signals pertaining to the operation of an LTC transformer, as well as control signals from a voltage regulator controller, and buffers these signals for presentation to the control circuit. The control circuit is microprocessor based, and modifies the input signals from the interface circuit to provide the appropriate control signals required for the operation of the LTC transformer. The control circuit also implements a number of functions not available through a standard controller, such as current balance paralleling, overvoltage protection and correction for faults.

REFERENCES:
patent: 4419619 (1983-12-01), Jindrick et al.
patent: 4623834 (1986-11-01), Klingbiel et al.
patent: 4630220 (1986-12-01), Peckinpaugh
patent: 4695737 (1987-09-01), Rabon et al.
patent: 4860145 (1989-08-01), Klingbiel
patent: 5136233 (1992-08-01), Klinkenberg et al.
McGraw-Edison Service Information Manual for the VR-32 Regulator and CL-4C Control, May 1990, pp. 2-37 to 3-3.

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