3 pm on July 10, 2020，from the Graduate School of Shandong University、Hosted by the Graduate Work Department of the Party Committee，The "His Majesty" Graduate Academic Forum hosted by the School of Electrical Engineering was successfully held through the Tencent Conference platform。The lecturers of this forum are the Associate Professor of the School of Electrical Engineering, the School of Electrical Engineering of Shandong University, Jin Chaoyang and Multi -Energy Network Engineering Assistant at the University of Manchester、Assistant Professor of Sarchak Science and Technology College of Clarveya, Cejia,Dr. Draganćetenović，The theme of the lecture is "Protection and Control System and Wide -area Plan"。This forum is chaired by Associate Researcher Cai Deyu at the School of Electrical Engineering of Shandong University。

At the beginning of the lecture，Jin Chaoyang develops from the history of the development of the power system，Introduce status estimation and its importance。He pointed out，The key component part of the state state state states of the power system is the status estimation function，Its task is to use a set of measurement data，Make the best estimate of the complex bus voltage of the entire power system。Then analyzed different types of state estimation algorithms，Detailed introduction to the biggest similar estimation method，and compare with other states estimation methods。The second part revolves around the state estimation function，Introduction to topology treatment and observable analysis，Use the maximum standardized remaining test method to detect bad data，and abnormal detection and recognition。The third part introduces the challenges brought by synchronous measurement technology，Introduction to the line shape、Mixed and dynamic status estimation uses and advantages and disadvantages。

Dr.DraganFirst explanationDMS/ScadaSystem configuration，From use、Configuration、Three -phase system and other aspects compared the difference between the transmission system and the power distribution system。Regulations clearly analyzed different types of tests in the intelligent power distribution system，Then I introduced in detail the status estimation model and algorithm of the power distribution system，Including static estimation and prediction auxiliary status estimation。He pointed out，The urgent need for improving the level of perception of the situation，The status of the future power distribution system is estimated to include a phase measurement unit(pmus)—— Real -time power distribution system status estimation platform，and showed its related research plans。

In the subsequent question session, Jin ChaoyangandDr.DraganI made a detailed answer to the questions from the students, Cai DeyuAssociate ResearcherAlso explained my questions about the status estimation law。This issue of "His Majesty" Graduate Academic Forum is successfully ended under the online watch of more than a hundred graduate students。

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Jin Chaoyang，Associate Professor of the School of Electrical Engineering, Shandong University、Master's Graduate mentor;2013I won a bachelor's degree in North China University of Electric Power and the University of Manchester，2018I won a doctorate degree from the University of Manchester。The research direction is the key parameter estimation of the low inertia power system，Estimation of Grid status。

Draganćetenović，Post -doctoral research assistant at the University of Manchester's multi -energy network engineering; Assistant Professor of Sagaka, the University of Claglvats, Serbia;2019I won a doctorate degree in the University of Clagerz, Serbia。The research direction is an advanced state estimate for the comprehensive multi -energy network dynamic security assessment、Failure analysis of power system、Power system protection、Power distribution network and distributed energy。