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VOLTAGE OR IMPEDANCE-INJECTION METHOD USING TRANSFORMERS WITH MULTIPLE SECONDARY WINDINGS FOR DYNAMIC POWER FLOW CONTROL
VOLTAGE OR IMPEDANCE-INJECTION METHOD USING TRANSFORMERS WITH MULTIPLE SECONDARY WINDINGS FOR DYNAMIC POWER FLOW CONTROL
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机译:带有多个二次绕组的变压器的电压或阻抗注入方法,用于动态潮流控制
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摘要
This patent discloses an active impedance-injection module for dynamic line balancing of a high-voltage (HV) transmission line. The impedance-injection module comprises a plurality of transformers each having a primary winding in series with a HV transmission line. Each transformer also has secondary windings, each connected to an individual electronic converter. The plurality of secondary windings are electrically isolated from the associated primary winding and extract power from the HV transmission line for operation of the converters and other circuits connected to the secondary windings. The active impedance-injection module is enabled to generate a controlled impedance, inductive or capacitive, to be impressed on the HV transmission line. A plurality of active impedance-injection modules spatially distributed on a HV transmission line are enabled to inject a controlled cumulative impedance on a HV transmission line while limiting the capacity of individual converters to that achievable with practical electronic components.
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