Voltage source converter based high voltage DC system (VSC-HVDC) has become a very promising solution to integrate offshore wind farm. However, the equivalent inertia of modern power with large renewable energy integration becomes small, which will arouse some frequency stability problems. To tackle this problem, paper proposes an improved regulation strategy for VSC-HVDC integrated Firstly, in...

A sub-/super-synchronous interaction (sub-/super-SCI) can occur between a voltage source converter-based high-voltage direct current (VSC-HVDC) and the permanent magnet synchronous generator (PMSG)-based wind farms with long AC transmission lines. However, influencing factors have not been properly analyzed. In this paper, these are deconstructed mathematically analyzed from detailed small-sign...

This paper presents a review on the application of back-to-back converters in the field of permanent magnet synchronous generator (PMSG)-based wind energy conversion systems (WECS). The wide applications of the back-to-back converters are power conditioning devices, micro grid, high voltage direct current (HVDC), and renewable energy systems. The intention is to present an overview about the de...

A flexible asynchronous AC link (FASAL) system is a technology that interconnects two power networks operating at the same or different frequencies. The FASAL newly developed technology; therefore, it requires thorough investigation under unbalanced grid voltage conditions for better behavioral understanding and appropriate future controller design. In this paper, analyzed various symmetrical a...

Due to the subsynchronous interaction between grid-side converter (GSC) of wind farms and rectifier (REC) voltage source converter-based high-voltage direct current (VSC-HVDC) transmission system, oscillations (SSOs) may occur in direct-drive with VSC-HVDC systems. Considering nonlinearities uncertainties a nonlinear SSO mitigation strategy is proposed this article based on feedback linearizati...

Compared to conventional DC transmission, Voltage source converter based high voltage direct current transmission (VSC-HVDC) has the advantages of independently controllable power, no commutation failure, reactive power compensation and low harmonic levels. However, VSC-HVDC cannot provide effective frequency support regulation for system after grid connection. For this reason, an adaptive neur...

Offshore wind farms (OWF) are establishing their position to be the next strategy expand growth horizon of power production. For proper integration OWFs into existing grid, voltage source converter (VSC)-based high direct current (HVDC) transmission is being vastly utilized. stable operation these VSC-HVDC-connected need abide by fault ride through (FRT) grid codes. Though there many proposed s...

The application of cross-linked polyethylene (XLPE) cables to voltage sourced converter (VSC)-based high direct current (HVDC) systems has already been technically verified and become common, thermoplastic (TP) is attracting attention as an insulation material for next-generation due the recent development material-related technologies. However, studies related TP are mainly focused on improvin...

Hybrid high voltage direct current transmission (Hybrid HVDC) is a new type of HVDC technology developed in recent years. It combines the characteristics large-capacity and low cost line commutated converters (LCC) non-commutation failure dynamic reactive power support sourced (VSCs) one system. has technical advantages fields unidirectional application improving stability multi-infeed HVDCs, g...