Apparatus for power conversion in electric rolling stock

Details Apparatus for power conversion in electric rolling stock Apparatus for power conversion in electric rolling stock

2006-02-24

2008-08-26

Sherry, Michael J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transient responsive

C318S801000

Reexamination Certificate

active

07417842

ABSTRACT:
An apparatus for electric power conversion in an electric rolling stock, comprising an inverter which receives a DC power fed from a DC power source at DC terminals, converts the received DC power into an AC power, and supplies the AC power to an AC motor, a first capacitor which is connected to the DC terminals of the inverter by low inductance connection and reduces a surge voltage generated in the inverter, and a second capacitor which is connected to the DC terminals of the inverter through a fuse, wherein a total sum of capacities of the first and the second capacitors is equal to or larger than a system demand capacitance.

REFERENCES:
patent: 6028779 (2000-02-01), Sakamoto et al.
patent: 7049787 (2006-05-01), Knapp et al.
patent: 2004-096832 (2004-03-01), None
patent: 2005-229708 (2005-08-01), None

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