March 24, 2018

Introduction of WECC Modeling and Validation Work Group

The WECC Modeling and Validation Work Group was established by the Modeling Subcommittee under the Reliability Assessment Committee. MVWG review dynamic models and evolving power system equipment in the stability programs. Design and document new models. Specify validation testing criteria and procedures. Validate model implementation in the stability programs. Develop documentation, user guides, and data preparation tools for new models. Explore, evaluate, and recommend new system modeling techniques. Validate system modeling and performance with real system events.This talk will introduce the recent MVWG’s activities, including load model, renewable model, power plant model, HVDC line model and relay model development.


Mr. Song Wang received his BS and MS in Electrical Engineering from the Shenyang University of Technology, China in 1993 and 2001, respectively. He is a Principal Engineer in the transmission planning department at PacifiCorp, serve as the company expert and provide authoritative consultation and recommendations to senior management. He is chairman of Western Electricity Coordinating Council’s Modeling and Validation Work Group. He is also the Vice Chair of WECC Modeling Subcommittee. In 2017 WECC formed Synchronized Measurements and Advanced Real-time Tools workgroup, He was elected as the System Model Validation and Coordination Task Force chairman.​​

April 28, 2018

Topic: MISO Forecast Overview

Load forecast plays an important role for power system to operate economically and securely. Under new policy, more and more renewable generators are being connected to power system. Operators are facing more challenge than before.  The presentation provides an overview of MISO forecast, which includes Short Term Load Forecast and Mid-Term Load Forecast. It covers how MISO forecasts load for Day Ahead and Real Time market,   current MISO forecast accuracy level, different forecast method comparison and the most significant elements that affect forecast results. In addition, MISO wind generation forecast and solar generation forecast will also be discussed.


Mr. Hui Zheng received his BS and MS in Electrical Engineering from Shanghai JiaoTong University, China in 1992 and 1997, respectively and Ph.D. degree from the University of Texas at Arlington in 2007. He is a Principal Engineer in the Forecasting department at MISO (Midcontinent Independent System Operator), focusing on the load forecast and wind generation forecast. He worked for ECEPDI (East China Electric Power Design Institute) as a planning engineer and AREVA T&D as a power market engineer. He has over 15-year experiences of load forecast, power system planning and power market.


Time: 8:00 PM EDT (5:00 PM PDT )

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