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A new approach to local control and system stability analysis of dc power systems having multiple sending and/or receiving terminals is presented. The terminals are classified as voltage-source (VS) and current-source (CS) terminals. A VS terminal has a filter capacitor in parallel with its dc interconnect ports and appears as a VS to the dc network, while a CS terminal has a filter inductor in series...
A new framework is presented for local control design and system stability analysis of high-voltage dc (HVDC) power systems having multiple sending and/or receiving terminals. The terminals are classified as voltage-source (VS) or current-source (CS) terminals. A VS terminal has a large capacitor in parallel with its dc interconnect ports and appears as a voltage source to the dc network, while a...
Multilevel voltage-source converters (VSC) are attractive for high-voltage and high-power applications. However, the increased part counts and control complexity also complicate the converter modeling and control. One particular control problem is the balancing of dc capacitor voltages. Conventional voltage balancing control design has been based on periodic steady-state or line-cycle averaged models...
This paper presents a feasibility study of real-time simulation of power electronic circuits using analog IC technologies. Unlike conventional analog simulation where a mathematical model is developed first and then implemented by using op-amps, the proposed approach simulates a power electronic circuit directly by analog devices and components. Capacitors and switches are shown to be amenable to...
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