Research on Equivalent Circuit Model of HVDC Valve and Calculation of Thyristor Junction Temperaturedoi:10.1155/2024/6671153THYRISTORSVALVESTEMPERATUREHIGH temperaturesFor the difference of thyristor junction temperature at all levels in the transducer valve assembly in the series water circuit,...
Uses of the system; Features of HVDC terminal; Effects of positive and negative sequence calculation; Evaluation of the proposed method.Lihua HuIEEE Transactions on Power Systems: A Publication of the Power Engineering SocietyHu L.Sequence impedance and equivalent circuit of HVDC systems. IEEE ...
A new converter equivalent circuit suitable for dynamic simulation of multiterminal HVDC systems with multibridge converters is presented. Using this circuit all possible operating modes of the converter can be analyzed by means of one topological matrix only. It is shown that the proposed converter ...
(MMC) parameter; determining an operating mode and switching states of an arm circuit; determining each capacitor current based on the switching states and an arm current; determining capacitor voltage and arm voltage; and generating an equivalent circuit model to simulate MMC-based HVDC systems and...
(MMC) parameter; determining an operating mode and switching states of an arm circuit; determining each capacitor current based on the switching states and an arm current; determining capacitor voltage and arm voltage; and generating an equivalent circuit model to simulate MMC-based HVDC systems and...
(MMC) parameter; determining an operating mode and switching states of an arm circuit; determining each capacitor current based on the switching states and an arm current; determining capacitor voltage and arm voltage; and generating an equivalent circuit model to simulate MMC-based HVDC systems and...
In order to reduce the amount of simulation calculation, the Norton equivalent circuit is obtained by incremental calculation. The data interaction interface between the fast subsystem and the slow subsystem is realized by extrapolation method. For ensuring the real-time performance of the simulation, ...
Circuit diagram of the PV system in harmonic resonance analysis. Table 5. Main parameters of the STATCOM. To validate the feasibility of the equivalent impedance model for harmonic resonance analysis, harmonics ranging from the 3rd to the 29th are added to the voltage at the grid side. Figur...