Synthesized sine-wave static generator

Details Synthesized sine-wave static generator Synthesized sine-wave static generator

Filed on

1982-04-23

Date issued

1984-12-18

Examiner

Wong, Peter S.

Patent Class

Electric power conversion systems

SubClass

Current conversion

SubSubClass

With means to introduce or eliminate frequency components

Other Related Categories

363 98, 363132, 363136, H02M 748

Type

Patent

Status

active

Patent number

044893710

Description

ABSTRACT:
An inverter bridge provided with a series-network in its diagonal including an inductor and an output transformer is feedback-controlled to generate a sine wave by reference to a sine wave reference signal and in a self-oscillatory fashion of the "bang-hang" type. The series-network operates during the "hang" phase as an active filter. Transistors are used on the high frequency side of the bridge and thyristors are used on the fundamental frequency side of the bridge. Provision is made for an AC source in parallel with the load, in which case feedback control is in response to the relative shares of the sources in the common load.

REFERENCES:
patent: 3614590 (1971-10-01), Kernick
patent: 3636430 (1972-01-01), Kernick et al.
patent: 3648150 (1972-03-01), Kernick et al.
patent: 3825815 (1974-07-01), Gyugyi et al.
patent: 4241395 (1980-12-01), Stacey et al.
Geyer et al., "An Ideal Unit for a Modular Inverter", IECEC, Las Vegas, Nev., Sep. 23, 1970, pp. 140-152.
Kernick et al., "Static Inverter with Synchronous Output Waveform Synthesized by Time Optimal-Response Feedback", IEEE Transactions, vol. IECI-24, No. 4, Nov. 1977, pp. 297-305.
Geyer et al., "A Time-Optimal Response Inverter", Energy 70, 5th IECEC, Las Vegas, NV, Sep. 23, 1970, pp. 1-5.
Geyer et al., "Time Optimal Response Control of a Two-Pole Single Phase Inverter", Power Cond. Spec. Conf., JPL, Pasadena, CA, Apr. 19, 1971, pp. 1-9.

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