Honeywell International Inc.

Ivan Vuk

Hassan Ali Kojori

Ileana Rusan

David Lazarovich

Srinivasa Rao Dangeti

Subodh Keshri

A super capacitor energy storage supplementing a battery providing power to a direct current bus including charge and discharge converters is disclosed. A bank of super capacitors may be charged by a battery with a pulse-width modulation controller and an electromagnetic interference filter. The bank of super capacitors may be controllably connected to the direct current bus through an isolating transformer implemented as a isolated boost converter.

Battery supplementing super capacitor energy storage charge and discharge converter

An electrical power system may be provided with temporary power from a bank of supercapacitors connected to a bus of the power system. The supercapacitors may be charged from an output from a primary power source of the system during start-up of the power source. Output voltage of the primary power source may progressively increase and capacitor charging may occur at this progressively increasing voltage. Dedicated current-limiting devices are not required during charging. When temporary power is required the supercapacitors may be discharged sequentially in a series combination so that a high internal voltage of each capacitor is maintained and so that virtually all of the stored energy of the capacitor may be discharged to the bus at a usable voltage.

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Mississauga, Canada

Ivan Vuk