With the sustained attention on carbon neutrality, the personal carbon trading (PCT) scheme has been embraced as an auspicious paradigm for scaling down carbon emissions. To facilitate the simultaneous clearance of energy and carbon allowance inside the energy community while hedging against uncertainty, a joint trading framework is proposed in this article. The energy trading is implemented in a peer-to-peer (P2P) manner without the intervention of a central operator, and the uncertainty trading is materialized through procuring reserve of conventional generators and flexibility of users. Under the PCT scheme, carbon allowance is transacted via a sharing mechanism. Possible excessive carbon emissions due to uncertainty balance are tackled by obliging renewable agents to procure sufficient carbon allowances, following the consumption responsibility principle. A two-stage iterative method consisting of tightening Mc-Cormick envelope and alternating direction method of multipliers (ADMM) is devised to transform the model into a mixed-integer second-order cone program (MISOCP) and to allow for a fully decentralized market-clearing procedure. Numerical results have validated the effectiveness of the proposed market model.
Background: Compared with foreign countries, China's education evaluation system mostly adopts the method of simple comparison of students' average scores, and the evaluation results are relatively simple; It is a top-down, one-way and appraisal evaluation system, which not only can not form information feedback network, but also can not fully mobilize the enthusiasm and initiative of the evaluation subject and the evaluation object. As a value-added evaluation model, TVAAS can provide multi-dimensional information and has been widely used in foreign countries. Therefore, we need to learn from the Tennessee value-added evaluation model system, and a series of domestic studies have proved that value-added evaluation should be an important part of school evaluation. Results: The evaluation indexes of grade 2016 students were significantly better than that of grade 2015 students, and there was statistical differences between the two groups’ evaluation indexes (P < 0.05). Conclusion: To a certain extent, "Tennessee Value-Added Assessment System" can objectively evaluate the growth rate of teaching quality of clinical bedside teaching bases, and evaluate the correlation between relevant education reform measures and teaching quality improvement scientifically, which is proposed for further popularization and application.
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