67 citations · 107 across the 13 of their papers we have counts for
13 papers
Calculating Domain of Attraction Boundary of Power Systems Based on the Gentlest Ascent Dynamics
Sixu Wu, Chenmin Zhang, Aiqing Zhu +3
The power system, a fundamental public utility, is increasingly important due to growing global electricity demand. Recent large-scale blackouts (e.g., Iberian Peninsula, UK) have…
A Heterogeneous Multiscale Method for Efficient Simulation of Power Systems with Inverter-Based Resources
Kaiyang Huang, Min Xiong, Yang Liu +1
As inverter-based resources (IBRs) penetrate power systems, the dynamics become more complex, exhibiting multiple timescales, including electromagnetic transient (EMT) dynamics of…
PI-Controlled Variable Time-Step Power System Simulation Using an Adaptive Order Differential Transformation Method
Kaiyang Huang, Yang Liu, Kai Sun +1
Dynamic simulation plays a crucial role in power system transient stability analysis, but traditional numerical integration-based methods are time-consuming due to the small time s…
A Semi-Analytical Approach for State-Space Electromagnetic Transient Simulation Using the Differential Transformation
Min Xiong, Kaiyang Huang, Yang Liu +3
Electromagnetic transient (EMT) simulation is a crucial tool for power system dynamic analysis because of its detailed component modeling and high simulation accuracy. However, it…
Semi-Analytical Electromagnetic Transient Simulation Using Differential Transformation
Min Xiong, Rui Yao, Yang Liu +2
For electromagnetic transient (EMT) simulation of a power system, a state-space-based approach needs to solve state-space EMT equations by using numerical integration methods, e.g.…
A Heterogeneous Multiscale Method for Power System Simulation Considering Electromagnetic Transients
Kaiyang Huang, Min Xiong, Yang Liu +2
Traditional dynamic security assessment faces challenges as power systems are experiencing a transformation to inverter-based-resource (IBR) dominated systems, for which electromag…
Optimal Distributed Voltage Control via Primal Dual Gradient Dynamics
Mohammed N. Khamees, Yang Liu, Kai Sun
The rapidly increasing penetration of inverter-based resources into a power transmission network requires more sophisticated voltage control strategies considering their inherent o…
Adaptive Switching Control of Wind Turbine Generators for Necessary Frequency Response
Yang Liu, Yichen Zhang, Kai Sun +1
This letter proposes a new control strategy for wind turbine generators to decide the necessity of switches between the normal operation and frequency support modes. The idea is to…
Differential Transformation of Nonlinear Power Flow Equations
Yang Liu, Kai Sun
Differential transformation (DT) method has shown to be promising for power system simulation in our recent works. This letter applies the DT method to nonlinear power flow equatio…
Differential Transformation of a Motor Load Model for Time-Domain Simulation
Yang Liu, Kai Sun
The Differential Transformation (DT) method has demonstrated its potential in speeding up power system time-domain simulation by our previous work. This letter further derives DTs…
Solving Power System Differential Algebraic Equations Using Differential Transformation
Yang Liu, Kai Sun
This paper proposes a novel non-iterative method to solve power system differential algebraic equations (DAEs) using the differential transformation, a mathematical tool that can o…
Power System Simulation Using the Differential Transformation Method
Yang Liu, Kai Sun
This paper proposes a new semi-analytical approach for online time-domain power system simulation. The approach applies the differential transformation method (DTM) to the power sy…
Power System Differential-Algebraic Equations
Bin Wang, Yang Liu, Kai Sun
This document presents an introduction of two commonly used power system differential algebraic equations for studying electromechanical oscillation and transient stability. Two ty…