ELECTRIC POWER CONVERTION APPARATUS AND METHOD OF OPERATING THE SAME

摘要

Some embodiments include an electric power conversion apparatus, which may include a transformer, a first converter connected to a primary side of the transformer, a second converter connected to a secondary side of the transformer, a first capacitor connected to the first converter, a second capacitor connected to the second converter, and a control unit for controlling the first converter and the second converter, wherein the control unit may determine operation ranges with respect to a plurality of modulation methods, may determine a modulation method including an output electric power value of the electric power conversion apparatus among the operation ranges of the plurality of modulation methods, and may output control signals of the first converter and the second converter based on the determined modulation method, wherein the control signals correspond to an instruction value.

主权项

1. An electric power conversion apparatus, comprising:
a transformer; a first converter connected to a primary side of the transformer; a second converter connected to a secondary side of the transformer; a first capacitor connected to the first converter; a second capacitor connected to the second converter; and a control unit configured to control the first converter and the second converter, wherein the control unit is configured to: determine operation ranges with respect to a plurality of modulation methods, determine a modulation method including an output electric power value of the electric power conversion apparatus among the operation ranges of the plurality of modulation methods, and output control signals of the first converter and the second converter based on the determined modulation method, wherein the control signals correspond to an instruction value.