Directly cooled, rotating rectifier assembly for a synchronous m

Details Directly cooled, rotating rectifier assembly for a synchronous m Directly cooled, rotating rectifier assembly for a synchronous m

1979-05-14

1982-05-11

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 54, 310 64, 310 68D, H02K 1100

Patent

active

043296033

ABSTRACT:
A plurality of individual semiconductor diode wafers secured to the rotor of a synchronous machine rectify AC from an excitation power source to provide DC to the main rotating field element. The diode wafers, connected as either a half wave or a full wave rectifier, are contained within a housing to form a rectifier assembly. The assembly is mounted directly on an inner surface of the housing carried on the shaft of the machine. The assembly is provided with suitable passageways or surfaces for flow of a non-electrically conductive cooling medium. In one embodiment, the cooling medium, as oil or air, traverses the surface of the diode wafers to provide high efficiency heat removal. In another embodiment the cooling medium traverses a heat sink on which the wafers are mounted to provide a high efficiency heat removal.

REFERENCES:
patent: 3145314 (1964-08-01), Becker
patent: 3389277 (1968-06-01), Fiore
patent: 3562564 (1971-02-01), Potter
patent: 3629627 (1971-12-01), Dafler
patent: 3629634 (1971-12-01), Dafler et al.
patent: 3733503 (1973-05-01), Potter
patent: 3812390 (1974-05-01), Richards
patent: 3866072 (1975-02-01), Nagai
patent: 3870944 (1975-03-01), Ogawa et al.
patent: 3895247 (1975-07-01), Iwata et al.
patent: 3927338 (1975-12-01), Vieilleribiere
patent: 3959676 (1976-05-01), Striker

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