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Distribution network line loss estimates System Design and Implementation

Author: FanZiYuan
Tutor: YangXingQiang
School: Shandong University
Course: Computer applications and technology
Keywords: Theoretical Line Loss Calculating System The whole point of load algorithm Design and Analysis
CLC: TP311.52
Type: Master's thesis
Year: 2005
Downloads: 99
Quote: 3
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Abstract

Line loss rate is an important symbol to reflect the operation and management of power supply enterprise level. Strengthen the line loss management has an important significance for energy conservation. Line loss management plays a guiding role in the theoretical calculations of line loss work occupies a very important position in the supply enterprise business. Line loss is estimated system development and research has been an important topic of line loss management. Through many years engaged in the actual experience of line loss management and learn computer knowledge, involved in the development of the distribution network line loss is estimated system, and applied to the actual work. This paper first introduces a system of research and innovation, followed by a brief introduction of the basic knowledge of the theoretical line loss and related content, from basic concepts to understand the significance of the theoretical calculation of line loss on the mathematics of theoretical calculations of line loss The basic principles of the whole computing process, different methods of analysis of the theoretical calculations. After conducting a rigorous needs analysis, the paper in detail in Chapter analysis of the distribution network line loss estimates system design and development process. First analysis of the core algorithm of the system - the whole point of load algorithm design process, including the mathematical model and work steps, the final analysis algorithm analysis and application of the method, and similar software related technical comparison. The whole point load algorithm is integrated into the traditional theory of the loading rate calculation method: the power of the line loss is a function of the square of the load (ΔW = 3I ^{2 the Rt × 10 ^{-3 ), press the the rms load calculations inevitably make errors increase, for which, it should be the whole point of load calculations way. Users can set lines or each transformer accuracy depending on the need, even each classification power meter load variation, so that a more accurate value of the theoretical line loss is closer to the actual value of line loss. Followed by analysis of the system architecture design, module design, and database design. The advantage of the system theoretical line loss calculation the whole point load algorithms improve accuracy, the degree of complexity of the algorithm just depends on the complexity of the number of nodes and grid structure, and precision adjustable, can be based on different networks, different voltage levels and different requirements for different settings; performance disadvantage the higher the precision of the whole point load algorithm requires the preparation necessary to more detailed information, especially for the accurate calculation of the line line with radio load master. In the fifth chapter, the paper analyzes the realization of the functionality of the system and focus to highlight the unique system. Fully demonstrate the application of the system at the same time.}}

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