120 citations · 483 across the 46 of their papers we have counts for
12 papers · 1 filter
The Allocation of a Variable Series Reactor Considering AC Constraints and Contingencies
Xiaohu Zhang, Chunlei Xu, Di Shi +5
The Variable Series Reactors (VSRs) can efficiently control the power flow through the adjustment of the line reactance. When they are appropriately allocated in the power network,…
An Extended Kalman Filter Enhanced Hilbert-Huang Transform in Oscillation Detection
Zhe Yu, Di Shi, Haifeng Li +3
Hilbert-Huang transform (HHT) has drawn great attention in power system analysis due to its capability to deal with dynamic signal and provide instantaneous characteristics such as…
Forced Oscillation Source Location via Multivariate Time Series Classification
Yao Meng, Zhe Yu, Di Shi +2
Precisely locating low-frequency oscillation sources is the prerequisite of suppressing sustained oscillation, which is an essential guarantee for the secure and stable operation o…
Online Coherence Identification Using Dynamic Time Warping for Controlled Islanding
Hasan Ul Banna, Zhe Yu, Di Shi +5
Controlled islanding is considered to be the last countermeasure to prevent system-wide blackouts in case of cascading failures. It splits the system into self-sustained islands to…
Recover the lost Phasor Measurement Unit Data Using Alternating Direction Multipliers Method
Mang Liao, Di Shi, Zhe Yu +3
This paper presents a novel algorithm for recovering missing data of phasor measurement units (PMUs). Due to the low-rank property of PMU data, missing measurement recovery can be…
Bilevel Optimization Based Transmission Expansion Planning Considering Phase Shifting Transformer
Xiaohu Zhang, Di Shi, Zhiwei Wang +4
In this paper, the phase shifting transformer (PST) is introduced in the Transmission Expansion Planning (TEP) problem considering significant wind power integration. The proposed…
A Distributed Cooperative Control Framework for Synchronized Reconnection of a Multi-Bus Microgrid
Di Shi, Xi Chen, Zhiwei Wang +4
One critical value microgrids bring to power systems is resilience, the capability of being able to island from the main grid under certain conditions and connect back when necessa…
Distributed Estimation of Oscillations in Power Systems: an Extended Kalman Filtering Approach
Zhe Yu, Di Shi, Zhiwei Wang +3
Online estimation of electromechanical oscillation parameters provides essential information to prevent system instability and blackout and helps to identify event categories and l…
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…
Two-Bus Holomorphic Embedding Method-based Equivalents and Weak-Bus Determination
Shruti Rao, Daniel Tylavsky, Weili Yi +3
A new method of solving the power-flow problem, the holomorphically embedded load-flow method (HELM) is theoretically guaranteed to find the high-voltage solution, if one exists, u…
Online Calibration of Phasor Measurement Unit Using Density-Based Spatial Clustering
Xinan Wang, Di Shi, Zhiwei Wang +4
Data quality of Phasor Measurement Unit (PMU) is receiving increasing attention as it has been identified as one of the limiting factors that affect many wide-area measurement syst…
Optimal Allocation of Static Var Compensator via Mixed Integer Conic Programming
Xiaohu Zhang, Di Shi, Zhiwei Wang +4
Shunt FACTS devices, such as, a Static Var Compensator (SVC), are capable of providing local reactive power compensation. They are widely used in the network to reduce the real pow…