Electrical power transmitting system with reduced feeder size an

Details Electrical power transmitting system with reduced feeder size an Electrical power transmitting system with reduced feeder size an

1996-07-18

1998-09-01

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307 31, 307 32, 307 34, 307125, 323205, 323208, 323209, 363 39, 318729, G05F 170

Patent

active

058014608

ABSTRACT:
An electrical power transmitting system (50) in accordance with the invention includes an alternating current electrical power generator (12) for producing alternating current on an output having a specified maximum; at least one electrical load (22) which is coupled to a point of regulation (16) in the electrical transmitting system; a feeder (14) having a specified maximum voltage drop, a length extending between the output and the point of regulation for transmitting the alternating current to the point of regulation, an inductance having an inductive reactance at a fundamental frequency of the alternating current, a capacitance (54, 66, 80 and 100) in series with the inductance having a capacitive reactance at the fundamental of the frequency of the alternating current which cancels at least part of the inductive reactance at the fundamental frequency of the alternating current to provide a reduced impedance in the feeder at the fundamental frequency of the alternating current to produce a reduced voltage drop which is less than the specified voltage drop; and the feeder having a minimum weight per unit length providing a maximum current carrying capacity equal to the specified maximum at the reduced voltage drop.

REFERENCES:
patent: 2294773 (1942-09-01), Crary
patent: 4313081 (1982-01-01), Smith
patent: 4672298 (1987-06-01), Rohatyn
patent: 5032738 (1991-07-01), Vithayathil
patent: 5051685 (1991-09-01), Sink
patent: 5227962 (1993-07-01), Marsh
Patent Abstract of Japan, vol. 13, No. 421 (E-822), 19 Sep. 1989; Applicant: Nippon Seimitsu Keisoku KK; Int. Cl. H02J 3/00 H02J 3/12; Title: Power Saving and Regulated Voltage Feed System.

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