Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter

Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter

Problem to be Solved A switching element of a power converter generates a low voltage, using a current flowing in the power converter, and supplies a power to drive itself. Solution A switching element 108 of a power converter for conversion from direct current into alternate current or from alterna...

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Bibliographische Detailangaben
Hauptverfasser: SAKUCHI, OSAMU, YAMAMOTO, TAKAYOSHI, INOUE, SHIGENORI, YAMASHITA, KEIICHI, EGUCHI, YOSHIO, YOSHIHARA, TORU, KATOH, SHUJI, ICHINOSE, MASAYA, BANDO, AKIRA, ITO, TOMOMICHI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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Beschreibung
Zusammenfassung:Problem to be Solved A switching element of a power converter generates a low voltage, using a current flowing in the power converter, and supplies a power to drive itself. Solution A switching element 108 of a power converter for conversion from direct current into alternate current or from alternate current into direct current includes: a terminal 208 and a terminal 209 which are used in building the switching element 108 itself in the power converter; a capacitor 203, a high-side controllable switch 201H and a low-side controllable switch 201L enabling outputting the voltage of the capacitor 203, the voltage being output between the terminal 208 and the terminal 209, and a self-supply power source 206 for supplying a power to drive the bi-directional chopper switching element 108 itself, using a current flowing in the capacitor 203.