Combined turbine and generator

Details Combined turbine and generator Combined turbine and generator

1981-03-20

1983-01-04

Truhe, J. V.

Prime-mover dynamo plants

Turbogenerators

290 43, 290 54, 310 52, 310 87, F01D 1510, F03B 1310, H02K 718

Patent

active

043674135

ABSTRACT:
An electrical machine which can be run as a synchronous generator or as a pump is disclosed. The machine is a true hybrid of a turbine and synchronous generator in that the turbine blades are designed to carry magnetic flux. To that end the blades are made of ferromagnetic material, have pole tips and may be laminated. The blades are preferably of aerofoil section and must be much thicker than conventional turbine blades so as to be capable of carrying the substantial magnetic flux. Field coils provided at the roots of the blades or around the hub of the rotor carrying the blades generate magnetic flux which is carried up through the blades across air gaps to a stator, which may be a conventional synchronous generator stator, and back through the air gaps and blades. The machine is relatively simple and rugged and has fewer parts than conventional turbine generator combinations particularly in that only a single rotor, rather than two, is necessary.

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