CONTROL DEVICE OF ELECTRIC POWER SUPPLY SYSTEM FOR ELECTRIC RAILROAD

PROBLEM TO BE SOLVED: To provide a control device of an electric power supply system for an electric railroad capable of maintaining required feeder voltage, even when a train load is increased by generation of extension feeder.SOLUTION: The control device comprises M seat compensation invalid elect...

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Bibliographic Details
Main Author NAGATO SHUICHI
Format Patent
LanguageEnglish
Published 12.05.2014
Subjects
PERFORMING OPERATIONS
POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES
TRANSPORTING
VEHICLES IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To provide a control device of an electric power supply system for an electric railroad capable of maintaining required feeder voltage, even when a train load is increased by generation of extension feeder.SOLUTION: The control device comprises M seat compensation invalid electric power calculation means 14 and M seat inverter control means 16 when exemplified on the M seat side, and controls an M seat inverter 10 so as to output accommodation effective electric power Pc and compensation invalid electric power Qc for offsetting-compensating M seat invalid electric power Qwhen M seat side feeder voltage is higher than M seat designation voltage and so as to output the accommodation effective electric power Pc and the compensation invalid electric power Qc for maintaining-compensating the M seat side feeder voltage to the M seat designation voltage when the M seat side feeder voltage is the M seat designation voltage or less.
Bibliography:Application Number: JP20120232483