Power regulator for use with line signal repeaters which are rem

Details Power regulator for use with line signal repeaters which are rem Power regulator for use with line signal repeaters which are rem

1978-12-04

1980-12-23

Konick, Bernard

Electricity: power supply or regulation systems

Remote sensing

323 8, 361119, H02H 902, H02H 104, H04B 344

Patent

active

042412439

ABSTRACT:
Operating power for line signal repeaters is fed over a transmission cable pair (signal line) which is susceptible to lightning strikes and, thus, to longitudinally induced currents in the DC power feed circuit. A symmetrical non-linear power regulator is connected between the signal line and the line signal repeater, and includes a high current shunt regulator which bypasses excessive induced currents. By so doing the adverse effects of these induced currents on the operation of the line signal repeater is minimized. A shunt voltage regulator provides the line repeater with a constant operating voltage when the line current (DC line power feed current plus induced currents) is greater than the minimum required bias current. When the potential at input terminals of the power regulator exceeds a predetermined value, a portion of the excess current is conducted through a blocking diode to charge an energy storage device. But, when the DC line power feed current and the induced current oppose each other the energy stored in the energy storage device is used to supplement the power feed current to just maintain the required repeater voltage, until the potential decreases below the operating voltage.

REFERENCES:
patent: 3986078 (1976-10-01), Tollrian et al.
patent: 4049929 (1977-09-01), Ball
patent: 4099217 (1978-07-01), Fitchew
patent: 4110570 (1978-08-01), Foster

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