Power system and power generation method

Details Power system and power generation method Power system and power generation method

1984-02-01

1986-08-26

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

363126, 363132, 363 17, H02J 900

Patent

active

046084991

ABSTRACT:
A power system includes an a-c power supply which constitutes a voltage source for a user of d-c current. The a-c power supply is designed to generate an output voltage having a trapezoidal wave form. This is achieved by generating a sinusoidal voltage and then suppressing the waves at a predetermined amplitude to obtain flat-topped voltage waves. The edges of the trapezoidal waves representing the output voltage of the a-c power supply have slopes which equal or exceed the corresponding slopes of a sinusoidal curve having the same maximum amplitude and period as the trapezoidal output voltage. The a-c power supply is further designed to maintain the mean or average value, as well as the maximum value, of its output voltage constant.

REFERENCES:
patent: 4222096 (1980-09-01), Capewell
patent: 4277692 (1981-07-01), Small
patent: 4366390 (1982-12-01), Rathmann
patent: 4400625 (1983-08-01), Hussey
patent: 4424556 (1984-01-01), Maeda et al.

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