Adapter for intermediary circuit of a static converter assembly

Details Adapter for intermediary circuit of a static converter assembly Adapter for intermediary circuit of a static converter assembly

1981-04-21

1983-09-20

Beha, Jr., William H.

Electricity: motive power systems

Induction motor systems

Primary circuit control

363 37, 363138, H02P 540, H02M 545

Patent

active

044058888

ABSTRACT:
The invention concerns the transformation of alternating or direct current input power to alternating current output power with intermediary transformation in direct current by means of static converters.
According to the invention, an adapter placed in the direct current intermediary circuit (4) comprises a branch connected between the output terminals of the input converter (5), and contains in series a free wheel thyristor (18) and an inductance (16) whose value is equal to the total loss inductance of the motor (1) connected to the reversible output inverter (20).
The purpose is to reduce the current wave harmonics in the power supply.

REFERENCES:
patent: 3825814 (1974-07-01), Pelly
patent: 4241395 (1980-12-01), Stacey et al.
patent: 4247887 (1981-01-01), Chin

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