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Power system day-by-day simulation method based on large-scale new energy power generation grid connection

A technology of power system and simulation method, which is applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve problems such as difficulty in comprehensively considering system operation

Inactive Publication Date: 2019-03-08
RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Under the new situation of large-scale new energy access, it is difficult for the traditional power planning decision-making ideas and methods to fully consider the various operation modes faced by the system

Method used

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  • Power system day-by-day simulation method based on large-scale new energy power generation grid connection
  • Power system day-by-day simulation method based on large-scale new energy power generation grid connection
  • Power system day-by-day simulation method based on large-scale new energy power generation grid connection

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Embodiment Construction

[0052] In order to clearly illustrate the technical characteristics of this solution, the present invention will be described in detail below through specific implementations. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. In addition, the present invention may repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0053] The daily operation simulation model is essentially a unit combination model that considers multiple types of units. The model considers the output characteristics and operation constraints of each type of unit, trying to simulate the actual dispatching operation...

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Abstract

The invention discloses a power system day-by-day simulation method based on large-scale new energy power generation grid connection. The method comprises the steps of determining an optimization objective, and according to input boundary conditions, simulating dispatching operation of a system by a unit combination model considering line constraints through taking a day as a unit. The unit combination model considering the line safety constraints is built; results of unit maintenance scheduling, new energy output simulation and water-electricity medium-long-term operation simulation are usedas the boundary conditions; and simulation of multiple types of units, coordination of different areas and multiple dispatching operation modes is realized.

Description

Technical field [0001] The invention relates to the technical field of power system dispatching operation simulation, in particular to a daily simulation simulation method of a large-scale new energy power generation grid-connected power system. Background technique [0002] In recent years, with the continuous increase in the scale of the power system, the addition of intermittent energy sources such as wind power and solar energy, the construction of large-scale multi-level hydropower stations across river basins, the access of various types of power sources such as nuclear power, pumped storage power stations, gas turbines, and the power grid Factors such as the pattern of long-distance AC / DC hybrid transmission have greatly increased the complexity of grid operation. How to optimize the operation of the system under the complex power grid environment, improve the energy-saving economy of the system, and reduce the emission intensity of the system has become an important issue...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38
CPCH02J3/382H02J2203/20
Inventor 田鑫李雪亮吴健贾善杰李勃赵龙王艳郑志杰张杰牟宏汪湲高效海张丽娜张玉跃付一木魏鑫袁振华
Owner RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER
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