Alternating current feeder system for trolley-assisted dump truc

Details Alternating current feeder system for trolley-assisted dump truc Alternating current feeder system for trolley-assisted dump truc

1983-05-26

1984-09-11

Goldberg, E. A.

Electrical transmission or interconnection systems

Plural load circuit systems

Transformer connections

307 83, 323361, 191 3, H02J 300

Patent

active

044712316

ABSTRACT:
An alternating current feeder system for use in trolley assisted dump trucks has a feeder circuit of a.c. system including a Scott connection transformer used as a main substation, main- and T-winding sections having a phase difference of 90 degrees on the secondary side of the transformer and serving to transform three-phase a.c. power into single phase one supplied to feeder substations, single phase transformers respectively installed in the feeder substations, each being adapted to drop the voltage applied on trolley wires to the level required for the latter, and a different phase section provided in a boundary defined between the single phase transformers.

REFERENCES:
patent: 1292578 (1919-01-01), Chernyshoff
patent: 3290510 (1963-06-01), Rose
patent: 3600597 (1971-08-01), Swerdlow
patent: 3671901 (1972-06-01), Lys

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