Integrated drive generator with permanent magnet generator on se

Details Integrated drive generator with permanent magnet generator on se Integrated drive generator with permanent magnet generator on se

1989-03-17

1990-10-23

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

290 1C, 310 83, 310 90, 310118, 322 29, H02K 1926, H02K 1600, H02K 2360, H02K 720

Patent

active

049654772

ABSTRACT:
An integrated drive generator (40) for generating constant frequency alternating current which is driven by a drive shaft (12) at variable rotational speeds includes an alternating current generator (23) having a rotor (37) mounted on a first shaft (42), which is driven by an output of a constant speed drive (14) at a fixed rotational velocity, the constant speed drive also driving a second shaft (44) at a fixed rotational velocity; an exciter (20) having a rotor (32) mounted on the first shaft, electrically coupled to a field winding of the generator, for supplying electrical power to the field winding of hte alternating current generator; and a permanent magnet generator (18) having a rotor (24) mounted on the second shaft, electrically coupled to the exciter, for supplying electrical power to a field winding of the exciter. Using the second shaft reduces weight, as well as length.

REFERENCES:
patent: 4609842 (1986-09-01), Aleem et al.
patent: 4625160 (1986-11-01), Hucker
patent: 4728841 (1988-03-01), Sugden
patent: 4734590 (1988-03-01), Fluegel
patent: 4743776 (1988-05-01), Baehler et al.
patent: 4797590 (1989-01-01), Raad et al.
Sundstrand, "Electrical Power Generating System for the Douglas C-17A Aircraft", Proposal 3090A-P3, Jun. 8, '87.

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