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This paper proposes a dynamic model and control strategy for the voltage source converter based high voltage direct current transmission (VSC-HVDC) under fault AC conditions. After simplify the equivalent circuit of the VSC transmission system, a VSC-HVDC electromagnetic transient model which considering the loss of the phase reactors has been built. To restrain the DC voltage double line-frequency...
This paper proposes an electromagnetic transient model of the voltage source converter (VSC) based HVDC transmission converter station multi-legged transformer. Currently, three phase multi-legged converter transformers are often used in VSC-HVDC schemes. However, VSC-HVDC converter transformers are normally represented as magnetically and electrically independent single phase units when simulating...
This paper proposes an electromagnetic transient model and control strategy for the voltage source converter (VSC) based HVDC transmission. The electromagnetic transient model of the VSC AC-side in the synchronous d-q reference frame has been built; the DC-side dynamics are formulated based on the principle of instantaneous power balance, the instantaneous power absorbed by three-phase series inductors...
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