Intra-grid power director

Details Intra-grid power director Intra-grid power director

1998-05-18

1999-11-09

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

Using dynamoelectric machine converter

H02M 120

Patent

active

059826509

ABSTRACT:
The intra-grid power director comprises a polyphase electric machine having a rotor that can be turned through less than a complete revolution within a stator winding. The rotor winding is connected within a transmission line to a first portion of an electric utility power grid, all portions of which operate at the same frequency. The stator winding is connected to the other portion of the grid so as to generate a rotating magnetic field having the same direction of rotation as the field generated by the rotor winding. The power director also comprises an arrangement for selecting an angular relationship between the stator and rotor windings and for sustaining a resultant torque.

REFERENCES:
patent: 4019104 (1977-04-01), Parker
patent: 4039909 (1977-08-01), Baker
patent: 4338557 (1982-07-01), Wanlass
patent: 4446416 (1984-05-01), Wanlass
patent: 5608615 (1997-03-01), Luce
patent: 5637972 (1997-06-01), Randall et al.
patent: 5754420 (1998-05-01), Luce
Rauhut, P. & Glavitsch, H., Rotary Transformer Improves Interconnection, Electrical World, May 16, 1966, pp. 71-72.
Rauhut, P., "The Rotary Transformer", Brown Boveri Review, Sep., 1967, vol. 54, No. 9, pp. 554-564.

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