This is a project report from the Power Systems Engineering Research Center (PSERC). PSERC is a multi-university Center conducting research on challenges facing a restructuring electric power industry and educating the next generation of power engineers. More information about PSERC can be found at the Center's website: Notice Concerning Copyright Material PSERC members are given permission to ...

The comprehensive evaluation of strategies for decarbonizing large-scale energy systems requires insights from many different perspectives. In analysis, optimization models are widely used this purpose. However, they limited in incorporating all crucial aspects such a complex system to be sustainably transformed. Hence, differ terms their spatial, temporal, technological, and economic perspecti...

Abstract With the rapid development of wind power technology, offshore transmission technology has gradually matured. Combined with first large-scale flexible DC system in China, this paper builds a digital twin that is close to actual system. The article introduces origin and definition win gives five-dimensional model twin. Then, it focuses on technical realization system, including key techn...

The increase in penetration of large-scale renewable generation significantly affects power system characteristics. Thus, it is necessary to assess the steady state and dynamic performance a for different installing scenarios plants such as photovoltaic (PV) ones. paper specifically investigates impacts very (VLS-PV) on including rotor-angle frequency stabilities. For this purpose, detailed equ...

Load Frequency Control (LFC) has received considerable attention during last decades. This paper proposes a new method for designing decentralized interaction estimators for interconnected large-scale systems and utilizes it to multi-area power systems. For each local area, a local estimator is designed to estimate the interactions of this area using only the local output measurements. In fact,...

Optimal power flow (OPF) over power transmission networks poses challenging large-scale nonlinear optimization problems, which involve a large number of quadratic equality and indefinite quadratic inequality constraints. These computationally intractable constraints are often expressed by linear constraints plus matrix additional rank-one constraints on the outer products of the voltage vectors...

Transmission active power losses can influence the distribution of power flows in the transmission grid which consequently alter the generation dispatch and scheduling through the power system. This can especially affect the exploitation of large scale renewable energy sources (RES) since they are normally installed far away from load centres. RES technologies are expected to cover a large port...