Energy storage type feeder voltage compensation apparatus...

Details Energy storage type feeder voltage compensation apparatus... Energy storage type feeder voltage compensation apparatus...

2008-07-22

2008-07-22

Ullah, Akm Enayet (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

With thermal condition detection

C320S127000, C320S128000, C320S132000, C320S136000, C320S151000, C320S152000, C320S153000, C105S035000, C105S049000, C105S050000, C104S287000, C104S288000, C318S139000, C290S050000

Reexamination Certificate

active

11285143

ABSTRACT:
An energy saving type feeder voltage compensation apparatus improved in availability at low temperatures, wherein when a secondary battery is lower in temperature than a predetermined value, an output voltage output to a feeder side is made equal to or higher than a no-load output voltage of a substation connected in parallel. Power is supplied to a power running rolling stock preferentially from the secondary battery. The heating value of the secondary battery is increased and the battery temperature is raised by this discharging, whereby internal resistance of the secondary battery is lowered, and the charging and discharging loss is suppressed, and the efficiency and availability of the energy saving type feeder voltage compensation apparatus as a whole are improved.

REFERENCES:
patent: 5280418 (1994-01-01), Griffin
patent: 11-91415 (1999-04-01), None
“Meiden Review”, vol. 287, 2002, No. 6, pp. 4-7.

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