Frequency converter apparatus

Details Frequency converter apparatus Frequency converter apparatus

1980-10-31

1983-03-29

Shoop, William M.

Electric power conversion systems

Frequency conversion without intermediate conversion to d.c.

By induction-type converter

322 29, 322 95, 318 44, 318419, 318512, H02M 532

Patent

active

043785875

ABSTRACT:
Disclosed is a frequency converter system for altering the frequency of a-c power supplied from a distribution network to a load, the system including a pair of mechanically coupled rotating alternating current machines, the alteration of the rate and direction of rotation of the prime mover altering the frequency of the power. A variable impedance network comprising saturable core reactors and connected in the rotor circuit of the prime mover is utilized to effect the change of rate and direction of prime mover rotation.

REFERENCES:
patent: 814380 (1906-03-01), Lamme
patent: 2722646 (1955-11-01), Rhyne, Jr. et al.
patent: 2793342 (1957-05-01), Rhyne, Jr.
patent: 2797375 (1957-06-01), Alexanderson
patent: 3074001 (1963-01-01), Roberti

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