Generator with inherent overload limiting

Details Generator with inherent overload limiting Generator with inherent overload limiting

1989-02-15

1991-02-12

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

219133, 310 63, H02P 934, H02K 906

Patent

active

049926870

ABSTRACT:
A dynamo in the form of a 3 phase welding generator. One stator winding has an in-phase excitation winding feeding the rotor through slip rings. This configuration allows for inherent short-circuit protection as the stator core under short-circuit saturates and prevents rotor excitation, a shaft-mounted fan cools inner and outer surfaces of a tubular heat sink that surrounds the generator and holds a diode-resistor bank.

REFERENCES:
patent: 3034035 (1962-05-01), Baumann et al.
patent: 3250929 (1966-05-01), Maier
patent: 3702965 (1972-11-01), Drexler
patent: 4233555 (1980-11-01), Roche
patent: 4477767 (1984-10-01), Cotzas
patent: 4831294 (1989-05-01), Jussila

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