The identification and extraction of positive sequence fundamental component from an
unbalanced and polluted grid signal have a vital role in controlling the grid integrated …

It is a major challenge for the grid-connected power electronic converter circuits to get
synchronized with the utility grid when the grid voltage is highly unbalanced and polluted …

This paper discusses the design together with the application of a Double Second Order
Genralized Integrator (DSOGI) for grid integration. A moderately distorted supply (having a …

Rapid and accurate estimation of grid voltage parameters is essential for the operation and
control of grid-side converters deployed in the grid integration of renewable energy sources …

Increase in global electrical energy consumption, has led to increase in demand on power
capacity, efficient production, distribution and utilization of energy. To meet this increased …

Fast and precise tracking of grid voltage attributes is essential for the smooth and reliable
control and operation of grid-side converters. The synchronous reference-frame phase …

Phase-locked loops (PLLs) are often deployed in a specialized control unit of grid-
connected converters (GCCs) for their control and protection purposes. Moreover, presence …

In the new energy grid-connected power generation system, accurately extracting the grid
synchronization signals such as the frequency, phase and amplitude of the grid voltage is …

This paper proposes a new frequency locked loop (FLL) based on modified reduced order
generalized integrator (MROGI) to extract positive and negative sequence components …

Recently, grid synchronization attracts large concern due to the integration of renewable
energy sources with the power utility grid. In order to remain interconnected while …