120 citations · 217 across the 9 of their papers we have counts for
9 papers
Harmonic Mitigation Schemes for Wind Power Plants by Embedding Control in Wind Turbines
Qiupin Lai, Chengxi Liu, Liangzhong Yao
Harmonic pollution may damage the electric devices in wind power plants (WPPs), and propagate to the external grid. This paper proposes a harmonic mitigation scheme by embedding ha…
A Network Decoupling Method for Voltage Stability Analysis Based on Holomorphic Embedding
Qiupin Lai, Chengxi Liu, Kai Sun
This paper proposes a network decoupling method based on Holomorphic Embedding (HE) for voltage stability analysis. Using the proposed HE method with a physical load scaling factor…
Mitigating Multi-Stage Cascading Failure by Reinforcement Learning
Yongli Zhu, Chengxi Liu
This paper proposes a cascading failure mitigation strategy based on Reinforcement Learning (RL) method. Firstly, the principles of RL are introduced. Then, the Multi-Stage Cascadi…
Optimal Battery Energy Storage Placement for Transient Voltage Stability Enhancement
Yongli Zhu, Chengxi Liu, Renchang Dai +2
A placement problem for multiple Battery Energy Storage System (BESS) units is formulated towards power system transient voltage stability enhancement in this paper. The problem is…
Image Embedding of PMU Data for Deep Learning towards Transient Disturbance Classification
Yongli Zhu, Chengxi Liu, Kai Sun
This paper presents a study on power grid disturbance classification by Deep Learning (DL). A real synchrophasor set composing of three different types of disturbance events from t…
Optimization of Battery Energy Storage to Improve Power System Oscillation Damping
Yongli Zhu, Chengxi Liu, Kai Sun +2
A placement problem for multiple Battery Energy Storage System (BESS) units is formulated towards power system transient voltage stability enhancement in this paper. The problem is…
Approximate Analytical Solutions of Power Flow Equations Based on Multi-Dimensional Holomorphic Embedding Method
Chengxi Liu, Bin Wang, Xin Xu +2
It is well known that closed-form analytical solutions for AC power flow equations do not exist in general. This paper proposes a multi-dimensional holomorphic embedding method (MD…
Multi-Stage Holomorphic Embedding Method for Calculating the Power-Voltage Curve
Bin Wang, Chengxi Liu, Kai Sun
The recently proposed non-iterative load flow method, called the holomorphic embedding method, may encounter the precision issue, i.e. nontrivial round-off errors caused by the lim…
Online Voltage Stability Assessment for Load Areas Based on the Holomorphic Embedding Method
Chengxi Liu, Bin Wang, Fengkai Hu +2
This paper proposes an online steady-state voltage stability assessment scheme to evaluate the proximity to voltage collapse at each bus of a load area. Using a non-iterative holom…