Three phase power bridge assembly

Details Three phase power bridge assembly Three phase power bridge assembly

1994-06-10

1996-05-14

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Vehicle mounted systems

361775, 363 71, 363132, B60L 100, H02M 75387

Patent

active

055170633

ABSTRACT:
A power bridge assembly for providing electric current to stator windings of an electric motor used in an electric propulsion system for an electric vehicle. The power bridge is assembled on a laminated bus bar. An upper plate of the bus bar connects to one side of a high voltage battery, a lower plate of the bus bar connects to the other side of the high voltage battery, and an insulation layer is sandwiched between the upper and lower plates. Electrical switches and capacitors sandwich the laminated bus bar. With this structure, two fasteners, one for positive voltage and one for negative voltage, can connect the bus bar, capacitors, and switches both electrically and mechanically. The sandwich structure eliminates parasitic inductance from the electrical connections.

REFERENCES:
patent: 4142224 (1979-02-01), Wilson et al.
patent: 5055990 (1991-10-01), Miki et al.
patent: 5172310 (1992-12-01), Deam et al.
patent: 5254501 (1993-10-01), Tung et al.
patent: 5291388 (1994-03-01), Heinrich
patent: 5313363 (1994-05-01), Arbanas
patent: 5388028 (1995-02-01), Arbanas

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