178 citations · 617 across the 17 of their papers we have counts for
19 papers
An Evidential Reasoning Based Approach to Building Node Selection Criterion for Network Reduction
Bin Huang, Jiayong Li, Jianhui Wang
A reasonable node selection criterion (NSC) is crucial for the network reduction in power systems. In contrast to the previous works that only consider structure property, this pap…
A Response-Function-Based Coordination Method for Transmission-Distribution-Coupled AC OPF
Zhengshuo Li, Qinglai Guo, Hongbin Sun +2
With distributed generation highly integrated into the grid, the transmission-distribution-coupled AC OPF (TDOPF) becomes increasingly important. This paper proposes a response-fun…
A Necessary Condition for Power Flow Insolvability in Power Distribution Systems with Distributed Generators
Zhaoyu Wang, Bai Cui, Jianhui Wang
This paper proposes a necessary condition for power flow insolvability in power distribution systems with distributed generators (DGs). We show that the proposed necessary conditio…
A Framework for Dynamic Stability Analysis of Power Systems with Volatile Wind Power
Xiaozhe Wang, Tao Wang, Hsiao-Dong Chiang +2
We propose a framework employing stochastic differential equations to facilitate the long-term stability analysis of power grids with intermittent wind power generations. This fram…
Unit Commitment on the Cloud
Mushfiqur R. Sarker, Jianhui Wang
The advent of High Performance Computing (HPC) has provided the computational capacity required for power system operators (SO) to obtain solutions in the least time to highly-comp…
Clearing and Pricing for Coordinated Gas and Electricity Day-ahead Markets Considering Wind Power Uncertainty
Runze Chen, Jianhui Wang, Hongbin Sun
The natural gas and electricity systems are now becoming more and more strongly coupled. While gas-fired units (GFUs) are replacing the retired coal plants, the power systems are a…
Multi-Period Do-Not-Exceed Limit for Variable Renewable Generation Dispatch Considering Discrete Recourse Controls
Zhigang Li, Feng Qiu, Jianhui Wang
The do-not-exceed (DNE) limit method was proposed to accommodate more variable renewable generation (VRG) securely. However, the lack of involving discrete recourse control preclud…
An SQP Method Combined with Gradient Sampling for Small-Signal Stability Constrained OPF
Peijie Li, Junjian Qi, Jianhui Wang +3
Small-Signal Stability Constrained Optimal Power Flow (SSSC-OPF) can provide additional stability measures and control strategies to guarantee the system to be small-signal stable.…
EV Dispatch Control for Supplementary Frequency Regulation Considering the Expectation of EV Owners
Hui Liu, Junjian Qi, Jianhui Wang +3
Electric Vehicles (EVs) are promising to provide frequency regulation services due to their fast regulating characteristics. However, when EVs participate in Supplementary Frequenc…
Robust Defense Strategy for Gas-Electric Systems Against Malicious Attacks
Cheng Wang, Wei Wei, Jianhui Wang +4
This paper proposes a methodology to identify and protect vulnerable components of connected gas and electric infrastructures from malicious attacks, and to guarantee a resilient o…
Data-Driven Real-Time Power Dispatch for Maximizing Variable Renewable Generation
Zhigang Li, Feng Qiu, Jianhui Wang
Traditional power dispatch methods have difficulties in accommodating large-scale variable renewable generation (VRG) and have resulted in unnecessary VRG spillage in the practical…
Wind Power Providing Flexible Ramp Product
Runze Chen, Jianhui Wang, Audun Botterud +1
The deepening penetration of renewables in power systems has contributed to the increasing needs for generation scheduling flexibility. Specifically, for short-term operations, fle…
Interval Estimation for Conditional Failure Rates of Transmission Lines with Limited Samples
Ming Yang, Jianhui Wang, Haoran Diao +2
The estimation of the conditional failure rate (CFR) of an overhead transmission line (OTL) is essential for power system operational reliability assessment. It is hard to predict…
Robust Integration of High-level Dispatchable Renewables in Power System Operation
Hongxing Ye, Jianhui Wang, Zuyi Li
The increasing penetration of Renewable Energy Sources (RES) requires more Flexibility Resources (FR), generally thermal units and storages, must be kept in the system to accommoda…
Robust Risk-Constrained Unit Commitment with Large-scale Wind Generation: An Adjustable Uncertainty Set Approach
Cheng Wang, Feng Liu, Jianhui Wang +4
This paper addresses two vital issues which are barely discussed in the literature on robust unit commitment (RUC): 1) how much the potential operational loss could be if the reali…
Dynamic State Estimation for Multi-Machine Power System by Unscented Kalman Filter with Enhanced Numerical Stability
Junjian Qi, Kai Sun, Jianhui Wang +1
In this paper, in order to enhance the numerical stability of the unscented Kalman filter (UKF) used for power system dynamic state estimation, a new UKF with guaranteed positive s…
Risk Mitigation for Dynamic State Estimation Against Cyber Attacks and Unknown Inputs
Ahmad F. Taha, Junjian Qi, Jianhui Wang +1
Phasor measurement units (PMUs) can be effectively utilized for the monitoring and control of the power grid. As the cyber-world becomes increasingly embedded into power grids, the…
Long-Term Stability Analysis of Power Systems with Wind Power Based on Stochastic Differential Equations: Model Development and Foundations
Xiaozhe Wang, Hsiao-Dong Chiang, Jianhui Wang +2
In this paper, the variable wind power is incorporated into the dynamic model for long-term stability analysis. A theory-based method is proposed for power systems with wind power…
Further Discussions on Sufficient Conditions for Exact Relaxation of Complementarity Constraints for Storage-Concerned Economic Dispatch
Zhengshuo Li, Qinglai Guo, Hongbin Sun +1
Storage-concerned economic dispatch (ED) problems with complementarity constraints are strongly non-convex and hard to solve because traditional Karush-Kuhn-Tucker (KKT) conditions…