Inverter system for driving synchronous motor

Details Inverter system for driving synchronous motor Inverter system for driving synchronous motor

1980-09-16

1982-04-27

Smith, Jr., David

Electricity: motive power systems

Synchronous motor systems

Armature winding circuits

318713, H02P 540, H02P 126

Patent

active

043273149

ABSTRACT:
The disclosed inverter system comprises three three-phase inverters connected in parallel across a positive and a negative terminal of a DC source including a negative terminal, and two three-phase transformers each including star-connected primary windings connected at one end to three AC outputs of the mating inverter and at the other ends connected to the neutral source terminal. Three secondary windings of each transformer are serially connected to those of the other transformer across three star-connected phase windings of a synchronous motor and three AC output of that inverter not connected to the transformer. The motor includes a neutral terminal connected to the neutral source terminal.

REFERENCES:
patent: 3793573 (1974-02-01), Tsuboi
patent: 3997825 (1976-12-01), Miyasita et al.
patent: 4160938 (1979-07-01), Akamatsu
E. Muller et al., "Undershoot Control Techniques & Their Influence on Invertor Output Voltage", Brown Bouiri Rev. 1-73, pp. 35-44.
Gemp et al., "High Power Adjustable Frequency Power Conditioning System for a Linear Induction Motor", IAS 77 Annual, pp. 248-262.
Klocker et al., "Rosy ein Rotatrouspruistand zum Erdroben des Eisenlosen Synchronlinear Motors", Seimans-Zehschnft 52 (1978), Heft 3, pp. 109-117.

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