69 citations · 155 across the 22 of their papers we have counts for
22 papers
Power System Transient Modeling and Simulation using Integrated Circuit
Xiang Zhang, Renchang Dai, Peng Wei +3
Transient stability analysis (TSA) plays an important role in power system analysis to investigate the stability of power system. Traditionally, transient stability analysis method…
Evaluating Load Models and Their Impacts on Power Transfer Limits
Xinan Wang, Yishen Wang, Di Shi +4
Power transfer limits or transfer capability (TC) directly relate to the system operation and control as well as electricity markets. As a consequence, their assessment has to comp…
Implications of Stahl's Theorems to Holomorphic Embedding Pt. 1: Theoretical Convergence
Songyan Li, Daniel Tylavsky, Di Shi +1
What has become known as Stahl's Theorem in power engineering circles has been used to justify a convergence guarantee of the Holormorphic Embedding Method (HEM) as it applies to t…
Implications of Stahl's Theorems to Holomorphic Embedding Pt. 2: Numerical Convergence
Abhinav Dronamraju, Songyan Li, Qirui Li +4
What has become known as Stahl's Theorem in power-engineering circles has been used to justify a convergence guarantee of the Holomorphic Embedding Method (HEM) as it applies to th…
Probabilistic Load Forecasting via Point Forecast Feature Integration
Qicheng Chang, Yishen Wang, Xiao Lu +4
Short-term load forecasting is a critical element of power systems energy management systems. In recent years, probabilistic load forecasting (PLF) has gained increased attention f…
Short-term Load Forecasting at Different Aggregation Levels with Predictability Analysis
Yayu Peng, Yishen Wang, Xiao Lu +4
Short-term load forecasting (STLF) is essential for the reliable and economic operation of power systems. Though many STLF methods were proposed over the past decades, most of them…
Optimal Energy Management for Commercial Buildings Considering Comprehensive Comfort Levels in a Retail Electricity Market
Zheming Liang, Desong Bian, Xiaohu Zhang +3
Demand response has been implemented by distribution system operators to reduce peak demand and mitigate contingency issues on distribution lines and substations. Specifically, the…
Exploration of Bi-Level PageRank Algorithm for Power Flow Analysis Using Graph Database
Chen Yuan, Yi Lu, Kewen Liu +3
Compared with traditional relational database, graph database, GDB, is a natural expression of most real-world systems. Each node in the GDB is not only a storage unit, but also a…
Power Flow Analysis Using Graph based Combination of Iterative Methods and Vertex Contraction Approach
Chen Yuan, Guangyi Liu, Renchang Dai +1
Compared with relational database (RDB), graph database (GDB) is a more intuitive expression of the real world. Each node in the GDB is a both storage and logic unit. Since it is c…
Optimal Allocation of Series FACTS Devices Under High Penetration of Wind Power Within a Market Environment
Xiaohu Zhang, Di Shi, Zhiwei Wang +4
Series FACTS devices are one of the key enablers for very high penetration of renewables due to their capabilities in continuously controlling power flows on transmission lines. Th…
CIM/E Oriented Graph Database Model Architecture and Parallel Network Topology Processing
Zhangxin Zhou, Chen Yuan, Ziyan Yao +5
CIM/E is an easy and efficient electric power model exchange standard between different Energy Management System vendors. With the rapid growth of data size and system complexity,…
Exploration of Graph Computing in Power System State Estimation
Chen Yuan, Yuqi Zhou, Guofang Zhang +4
With the increased complexity of power systems due to the integration of smart grid technologies and renewable energy resources, more frequent changes have been introduced to syste…
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…
PMU Assisted Power System Parameter Calibration at Jiangsu Electric Power Company
Xiao Lu, Di Shi, Bin Zhu +4
An online PMU-assisted Power System Parameter Calibration System (PSPCS) was recently developed and implemented at State Grid Jiangsu Electric Power Company (JEPC). PSPCS leverages…
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…