Some embodiments are directed to charging system comprising converter switches for electrically coupling to a first electrical energy storage device, a filter circuit comprising a series inductor and a parallel capacitor, a coupling device for coupling to a second electrical energy storage device comprising a detection device for detecting a connection status of the coupling device, switches arranged for selectively electrically coupling, when switched on, the filter circuit with an alternating current voltage source, and a controller, configured, based on the connection status of the coupling device, to switch on switches and control the converter switches such that the time periodical voltage signal and the current through the series inductor are in phase, or to switch off switches and control the converter switches for providing a current signal to the second electrical energy storage device.
A CHARGING SYSTEM AND A METHOD OF CHARGING AN ELECTRICAL ENERGY STORAGE DEVICE
2020-10-08
Patent
Electronic Resource
English
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