This paper employs a multivariable PI (proportional-integral) controller for inner-loop control
and SISO (single-input single-output) PI controllers for outer-loop control for a VSC-HVDC …

Voltage source converter (VSC)-based multiterminal high-voltage direct current (HVDC)
systems received widespread attention throughout the world for grid integration of …

An interconnection and damping assignment passivity‐based (IDA‐PB) control design is
proposed to improve the dynamic performance of voltage source converter high‐voltage …

This paper analyzes differences between αβ and dq reference frames regarding the control
of two-level VSC-HVDC current loop and dc-link voltage outer loop. In the first part, voltage …

This paper addresses two different robust nonlinear control methodologies based Sliding
Mode Control (SMC) for the Voltage Source Converters (VSC) High Voltage Direct Current …

In this paper, a double-loop control scheme is proposed for the VSC-HVDC transmission
system connecting two AC grids. A conventional PI controller is used in the outer loop and a …

The transient mathematical models of two VSC-HVDC systems which are supplying active
and passive networks respectively are developed in dq synchronous reference frames. All …

Dual closed loop structure is often adopted in VSC-HVDC control system, and the PI
controller design and parameters tuning can be regarded as the core content in the control …

The converters and their control strategies play an important role in converting, transmitting,
and improving the performance of high-voltage direct current (HVDC) system. There are …

This paper presents a nonlinear control scheme for VSC-HVDC transmission system. The
design of the proposed nonlinear controller has been performed in a rotating reference …