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Isolated grid (IG) usually has small inertia constant, and the primary frequency regulation ability of IG is limited. In addition, high penetration level of photovoltaic power plants (PV-PPS)integrated to IG deteriorate system inertial and primary frequency regulation ability. To ensure the stability of frequency, UC model considering dynamic frequency limit (DFL) is proposed in this paper, and PV-PPS...
The contribution of this paper focuses on the development of a security-based methodology for the solution of short-term SCUC when considering the impact of natural gas transmission system. The proposed methodology examines the interdependency of electricity and natural gas in a highly complex transmission system. The natural gas transmission system is modeled as a set of nonlinear equations. The...
The paper studied environmental cost accounting of thermal power plant. The difficulty lies in the accounting of the environmental damage costs. According to the characters of thermal power enterprises, the paper set up some accounting models on environmental damage cost, such as the shadow price model, human capital model, opportunity cost model and production function model. Through analyzing these...
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