A reasonable operation efficiency evaluation method and system for coordinating transmission network security and development
A technology of operating efficiency and evaluation methods, applied in information technology support systems, data processing applications, instruments, etc., can solve problems such as lack of theoretical guidance on operating methods, failure to consider grid security and development constraints, and inability to operate the grid efficiently.
Active Publication Date: 2020-05-12
STATE GRID CORP OF CHINA +2
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However, the existing research on the evaluation of transmission network utilization efficiency mainly establishes the load rate indicators of power grid lines and transformers. There are still few researches and results on the analysis and evaluation of reasonable operation efficiency, lack of scientific theoretical guidance and practical operation methods, and no consideration The constraints of power grid security and development cannot truly obtain reasonable power grid operation efficiency, let alone provide guidance for power grid development and operation
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Embodiment 1
[0144] Such as image 3 Shown is the topological diagram of the 220 kV and above power grid in city A in this embodiment. Investigated and analyzed the power grid of City A in a certain province. The power supply in the area is dominated by 220 kV power grid. The power grid covers 2 counties and cities, with a power supply area of 4583 square kilometers. The highest power load in 2014 was 16.38 million kilowatts, with 36 220 kV lines , 32 transformers. The power grid is a power grid that mainly serves rural power grids, and the density of power grids and loads is relatively small. In 2014, the scale of the regional power grid and the transmission efficiency and blackout risk under large-scale methods are shown in Table 1. The power load of the power grid and the power generation and power grid The power exchange information is shown in Table 2. According to the power grid development plan of City A, the low load growth rate plan is 6% and the high load growth rate plan is ...
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The present invention relates to a method and system for reasonable operation efficiency evaluation through coordination of safety and development of a transmission network. The method comprises the following steps: collecting the basic data of a power grid electric power system to be evaluated; improving the power supply load level of the power grid to be evaluated, and analyzing and obtaining the trend data of the power grid to be evaluated in a typical large mode under different load levels after power supply load is increased based on the current actual typical large mode trend data of the power grid to be evaluated; evaluating the relation of a power failure risk level and a power grid utilization efficiency level under different power supply load levels of the power grid; determining the limitation operation efficiency of the power grid to be evaluated according to the relation of the power failure risk level and a power grid utilization efficiency level under different power supply load levels of the power grid and a risk efficiency incremental ratio index; and calculating the reasonable transmission efficiency of the power grid to be evaluated, and performing evaluation of the actual operation efficiency of the power grid to be evaluated. The method and system for reasonable operation efficiency evaluation through coordination of safety and development of the transmission network can be widely applied to the evaluation of the power grid transmission network utilization efficiency.
Description
technical field [0001] The invention relates to a transmission network analysis and evaluation method, in particular to a reasonable operation efficiency evaluation method and system for coordinating transmission network security and development. Background technique [0002] As an important public infrastructure, the power grid plays an important role in optimizing resource allocation, ensuring energy security, and meeting the needs of economic and social development. It is required to have a reasonable structure, flexible operation, and be able to provide safe, reliable, and high-quality power supply. At the same time, as a self-financed operating enterprise, the power grid company requires long-term and stable development and viability, and the efficient use of grid assets plays an extremely important role in saving grid investment and bringing out the benefits of assets. However, the continuous improvement of efficiency may lead to the decrease of power grid safety margi...
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IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06312G06Q50/06Y04S10/50
Inventor 龙望成彭冬李晖韩丰李勇王虓薛雅玮赵郎张鹏飞
Owner STATE GRID CORP OF CHINA
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