Many technological advancements in the modern era have made actual use of electrical
power and the constrained operating of power systems within stability limits. Some …

The integration of renewable energy sources into power systems is becoming increasingly
important. Renewable energy sources (RESs) help decrease dependency on fossil-fuel …

Voltage collapse is a problem that may happen when power systems are overloaded. An
accurate estimation of critical operating conditions is necessary to prevent voltage collapses …

Voltage instability is a serious phenomenon that can occur in a power system because of
critical or stressed conditions. To prevent voltage collapse caused by such instability …

The secure operation of the transmission grid is of primary importance for any power system
operator. However, the introduction of new technologies, market deregulation, and …

This paper proposes utilizing a recent metaheuristic technique, artificial rabbits' optimization
(ARO), enhanced with the quasi-opposition-based learning (QOBL) technique to improve …

Electrical power systems encounter a variety of challenges due to load growth and
technological improvement; reactive power planning (RPP) and improvement of voltage …

With the extensive application of renewable energy operated distributed generation plants in
the power system, certain issues need to be addressed. One such problem is the optimal …

An electrical power system (EPS) is subject to unexpected events that might cause the
outage of elements such as transformers, generators, and transmission lines. For this …

This paper presents a QV-based approach called Critical Voltage-Reactive Power Ratio
(CVQR) index to assess the voltage instability tendencies of power system buses with …