Dynamic model reduction: An overview of available techniques with application to power systems

SD Đukić, AT Sarić - Serbian journal of electrical engineering, 2012‏ - doiserbia.nb.rs
This paper summarises the model reduction techniques used for the reduction of large-scale
linear and nonlinear dynamic models, described by the differential and algebraic equations …

Model reduction in power systems using Krylov subspace methods

D Chaniotis, MA Pai - IEEE Transactions on Power Systems, 2005‏ - ieeexplore.ieee.org
This paper describes the use of Krylov subspace methods in the model reduction of power
systems. Additionally, a connection between the Krylov subspace model reduction and …

Dynamic reduction of large power systems for stability studies

L Wang, M Klein, S Yirga… - IEEE Transactions on …, 1997‏ - ieeexplore.ieee.org
This paper documents experience with applications of dynamic reductions to large power
system models for stability studies. The main factors that affect the quality of the reduced …

Evaluation of uncertainty in dynamic simulations of power system models: The probabilistic collocation method

JR Hockenberry, BC Lesieutre - IEEE Transactions on Power …, 2004‏ - ieeexplore.ieee.org
This paper explores the use of a new technique, the probabilistic collocation method (PCM),
to enable the evaluation of uncertainty in power system simulations. The PCM allows the …

A review of dynamic generator reduction methods for transient stability studies

R Singh, M Elizondo, S Lu - 2011 IEEE Power and Energy …, 2011‏ - ieeexplore.ieee.org
Due to the complex interconnected nature of power system, aggregate or reduced system is
commonly used by operators and engineers for various power system studies. Transient …

Model reduction and dynamic aggregation of grid-forming inverter networks

O Ajala, N Baeckeland, B Johnson… - … on Power Systems, 2022‏ - ieeexplore.ieee.org
This paper presents a model-order reduction and dynamic aggregation strategy for grid-
forming inverter-based power networks. The reduced-order models preserve the network …

Projection frameworks for model reduction of weakly nonlinear systems

JR Phillips - Proceedings of the 37th annual design automation …, 2000‏ - dl.acm.org
In this paper we present a generalization of popular linear model reduction methods, such
as Lanczos-and Arnoldi-based algorithms based on rational approximation, to systems …

Dynamic REI equivalents for short circuit and transient stability analyses

F Milano, K Srivastava - Electric Power Systems Research, 2009‏ - Elsevier
This paper proposes a systematic approach for dynamic power system equivalents based
on power transfer distribution factors. The proposed method divides the original network into …

Coherency and aggregation techniques incorporating rotor and voltage dynamics

SK Joo, CC Liu, LE Jones… - IEEE Transactions on …, 2004‏ - ieeexplore.ieee.org
Dynamic equivalents have been widely used to reduce computational efforts when a large
number of scenarios have to be studied to evaluate the stability of interconnected power …

Synchrony, aggregation, and multi-area eigenanalysis

GN Ramaswamy, GC Verghese… - … on Power Systems, 1995‏ - ieeexplore.ieee.org
This paper explores synchrony, a generalization of the concept of slow-coherency, and
outlines how it can form the basis for efficient construction of dynamic equivalents by …