Advanced Materials Research Vols. 986-987

Abstract: In recent years, strategic adjustment of economic structure is as the main direction of accelerating transformation of economic development mode in Sichuan province of China. Electricity load characteristics and its development trend could reflect industries’ structure of Sichuan province. The ways of typical day selection and load curve calculation are discussed. Electricity load of typical trades of three industries and residents’ life is analyzed, whose load curves of everyday as well as the four seasons are obtained. As a result, relationship between electricity load structure and industrial structure is get.

Abstract: Analyzed about the present situation of energy logistics service quality, and combined with related literature at home and abroad, select “energy logistics tracking information timeliness”, “accuracy of energy logistics tracking information”, ”energy delivery time accuracy”, “energy distribution accuracy “, “energy integrity “, “error handling” six elements as a measure factors of the energy logistics service quality, establish research model. Through questionnaire investigation and quantitative analysis verify this research model. The Conclusions: energy distribution of accuracy have significant positive effects on sustainable development, and influence degree; Energy delivery time accuracy, integrity have significant positive effects on sustainable development, but the impact is relatively small; While energy logistics tracking information timeliness, accuracy and error of energy logistics tracking information treatment had no significant influence to the sustainable development of economy and society. Energy logistics is an important part of the logistics industry, also is an important support of economic society and people's life. Improve the quality of energy logistics service, to play an important role in promoting sustainable development.

Abstract: In this paper, the flow calculation problem of wind power connected to the grid was researched and the corresponding models were put forward.According to the relationship between the node voltage and reactive power of wind farms, modified the jacobian matrix.Implement and trend of the expression for calculating and according to the relationship between the node voltage and reactive power of wind farms, to modify the traditional methods of jacobian matrix and axle and consistency.Finally through the IEEE - 14 standard system, to verify this model and algorithm in this paper, satisfactory effect was obtained ,also laid the foundation for the further research.

Abstract: The development of new energy industry is one of the important breakthroughs to solve energy and environmental issues and fulfill commitment to the international community for China. SWOT analysis was used to study the new energy industrial upgrading in Tianjin in this paper. By analyzing the strengths, weaknesses, opportunities and threats of the development of new energy industry in Tianjin, the current situations and problems were summarized, in order to provide reference for the practice of new energy industrial upgrading in Tianjin.

Abstract: Interruptible load was an important measure for demand response which can effectively implement the interaction between grid side and demand side. It’s also the important feature and component of smart grid. This paper established a stochastic economic dispatch model which brought both interruptible load and stochastic wind generation models into scheduling, and took the active and reactive power constraint of generator, the adjustable capacity constraint of interruptible load and the constraint of branch power flow into account. On the basis of Monte Carlo simulation and modified interior point method, a comprehensive optimization algorithm is proposed to tackle the above stochastic economic dispatch model. The result of IEEE 118-bus system illustrated that the proposed method can effectively curtail system’s operational cost and, to some extent, boost grid’s adaptability to wind power.

Abstract: The integration of renewable energy resources (RERs) not only shows significant environmental effect, social effect and economic effect, but also brings many challenges to grid planning and economic operation of power grid. Based on systematic dynamics, from the perspective of changes of cost and benefit of grid enterprises caused by the integration of RERs, the effect of the integration of RERs on economical operation of power grid is studied. Finally, a simulation of effect trend based on empirical data of one province demonstrates the validity of the model proposed in this paper.

Abstract: China is faced with significant challenges in the energy sector such as energy shortage, environmental pollution, greenhouse gas emission, and energy supply in rural areas, which severely restrict its sustainable development. In this paper, the current status and trends of thermal power industrial security issues based on sustainable energy development in China are elaborated. The strategies of sustainable energy in China are brought forward accordingly, such as efficient thermal power industry, green thermal power industry. The corresponding implementations of sustainable energy development in China are expounded as well. In the end, this paper concludes that China must set a step-by-step unified national energy plan to promote the construction of a sustainable energy system, which will be economically, environmentally, and socially viable, and, thus, China would play an important role to promote global sustainable development.

Abstract: This paper introduces the current research status of quick search for transmission section. Firstly, the definition of transmission section is introduced. Secondly, search algorithm for transmission section is presented. Thirdly, the safety protection measures that can prevent cascading failure are introduced. Finally, outlook on quick search for transmission section is proposed.

Abstract: The ISM model is applied to the influencing factors risk analysis of grid operational performance. The research constructed multilevel hierarchical structure diagram by the association between various factors and reflected the hierarchical relationship of the index intuitively. Select a large driving force factors as the core influencing factors and develop a risk prediction radar diagram to provide a theoretical basis for grid operational performance improving. A provincial power grid company provides the data for empirical analysis to explore the applicability of the model.

Abstract: Energy tax policy has an irreplaceable role in promoting conventional energy conservation, sustainable use and promotion of new energy sources. But China's current energy taxes still has many problems and needs an energy tax reforms. The effective implementation of the energy tax policy reform must have relevant supporting mechanisms to ensure implementation of the policy. Thus we need analyze the behavioral characteristics and trade-offs involved in policy-related aspects to achieve the establishment of appropriate safeguards.