Abstract
This work presents the power generation control of a two-area, hybrid, deregulated power system integrated with renewable energy sources (RES). The incorporation of appropriate system non-linearities and RES into the power system makes it complex, but more practical. The hybrid deregulated power system with RES is a complex nonlinear system that regularly exposes the major issue of system dynamic control due to insufficient damping under varying loading circumstances. The generation-demand equilibrium point of the power system varies following a contingency; hence, it becomes difficult to maintain the appropriate equilibrium point via traditional control approaches. To solve this problem, novel control approaches, along with rapid-acting energy storage devices (ESD), are immediate need for advanced power systems. As a result, various secondary controllers are inspected for improvements in system dynamics. A performance comparison infers the cascaded ID-PD controller as the optimum one. The secondary controller gains are successfully optimized by the powerful satin bowerbird optimization (SBO) technique. Additionally, the impact of a super-conducting-magnetic-energy-storage (SMES) device in system dynamics and control of developed power system is analyzed in this study. A sensitivity evaluation (SE) infers that SBO-optimized cascaded ID-PD controller gains are strong enough for alterations in load perturbations, system loading, inertial constant (H), solar irradiance and the DISCO involvement matrix (DIM).
Highlights
Ensuring the integrity, consistency, and reliability of the power system is critical for obtaining a continuous and efficient power supply [1]
This study examines a hybrid deregulated power system integrated with renewable energy sources
The dynamic control of a renewable energy sources (RES)-based hybrid deregulated power system is investigated in this study
Summary
Consistency, and reliability of the power system is critical for obtaining a continuous and efficient power supply [1]. The overall quality of the power system relies heavily on the frequency stability. Load frequency control (LFC) plays a vital role in keeping the system dynamics at their scheduled values [2,3]. LFC is essential in generating the quality power and maintaining frequency at their supposed values for a stable operation. The power sector is being deregulated all over the world from a vertical integrated market into a variety of companies in each continuum of the power system. Several companies in the deregulated power market are at liberty for power transactions in the same or a different control area. LFC becomes extremely challenging following the deregulation of the power system, as it is the vital auxiliary service in power system stability [4]
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