CONTROL DEVICE OF ELECTRIC POWER SUPPLY SYSTEM FOR ELECTRIC RAILROAD

• Main Author: NAGATO SHUICHI
• Format: Patent
• Language: English
• Published: 12.05.2014
• Subjects: PERFORMING OPERATIONS; POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES; TRANSPORTING; VEHICLES IN GENERAL

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.