The Effect of VSC-HVDC Control on AC_newline System Electromechanical Oscillations and DC System Dynamics
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a study on construction of iranian life tables: the case study of modified brass logit system
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15 صفحه اولDC Impedance-Model-Based Resonance Analysis of a VSC-HVDC System
Resonances can have negative impact on a Voltage Source Converter-High Voltage DC (VSC-HVDC) system. This paper develops dc impedance models for the rectifier and inverter stations for a VSC-HVDC system when they are viewed from a dc terminal. The impedance models take converter controllers into account. The derived impedance models are validated by comparing frequency responses of the analytic...
متن کاملNyquist stability analysis of a VSC-HVDC system using a distributed parameter DC-cable model
In this paper a two terminal VSC-HVDC system embedded in a strong grid ACenvironment is considered, emphasizing modeling, controllers design and small-signal stability analysis. Traditionally, DC cables are most often modeled by Π-sections, and when using them for higher frequencies or in case of transmission over long distances, approximation accuracy aspects must be considered. Here, a distri...
متن کاملEE_RP_A New Control Strategy of a VSC HVDC System for Power System Enhancement.doc
Voltage Source Converter (VSC) based HVDC is the most recent HVDC technology with extruded DC cables in small and medium power transmission. VSC-HVDC converters include Insulated Gate Bipolar Transistors (IGBT’S) and operated with high frequency Pulse Width Modulation (PWM) in order to get high speed control of both active and reactive power. With VSCHVDC there is an addition degree of freedom....
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ژورنال
عنوان ژورنال: IEEE Transactions on Power Delivery
سال: 2016
ISSN: 0885-8977,1937-4208
DOI: 10.1109/tpwrd.2015.2414824