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METHOD AND SYSTEM FOR A GAS TUBE-BASED CURRENT SOURCE HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM
METHOD AND SYSTEM FOR A GAS TUBE-BASED CURRENT SOURCE HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM
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机译:基于气管的电流源高压直流输电系统的方法和系统
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摘要
A high-voltage direct-current (HVDC) transmission system includes an alternating current (AC) electrical source and a power converter channel that includes an AC-DC converter electrically coupled to the electrical source and a DC-AC inverter electrically coupled to the AC-DC converter. The AC-DC converter and the DC-AC inverter each include a plurality of legs that includes at least one switching device. The power converter channel further includes a commutating circuit communicatively coupled to one or more switching devices. The commutating circuit is configured to "switch on" one of the switching devices during a first portion of a cycle of the H-bridge switching circuits and "switch off the switching device during a second portion of the cycle of the first and second H-bridge switching circuits.
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