A filter device (5) for removing a noise current generated by an inverter (6) is provided with: a first filter capacitor (52a) provided in parallel with a direct current (DC) unit of the inverter (6); a first filter reactor (51a) provided between a high-potential side of the first filter capacitor (52a) and overhead wiring (1) which is the power supply source of DC power; and a series circuit unit (56) for connecting in series a fuse (53) as a circuit cutoff unit which is turned off when a current greater than a current rating flows, a second filter reactor (51b) which is an inductance element, and a second filter capacitor (52b) which is a capacitance element, one end of the series circuit unit (56) being connected to a low-potential side of the first filter capacitor (52a), and one end of the first filter reactor (51a) being connected to the series circuit unit (56).
Filter device and electric rolling stock drive controller
07.10.2015
Patent
Elektronische Ressource
Englisch
FILTER DEVICE AND ELECTRIC ROLLING STOCK DRIVE CONTROLLER
Europäisches Patentamt | 2020
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