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Natural gas network, power network and power supply combined planning method

A technology for power network and natural gas, applied in the fields of instrumentation, data processing application, forecasting, etc., can solve the problems of complex solution, troubled power network and natural gas network to solve effectively, and it is difficult to obtain optimal solution for power network and natural gas network, etc. To achieve the effect of meeting the accuracy requirements

Active Publication Date: 2017-03-22
XI AN JIAOTONG UNIV
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Problems solved by technology

Therefore, the joint planning problem of power network and natural gas network has always been difficult to find the optimal solution and solve very difficult and complicated problems. These problems have been plagued by the effective solution of the joint planning problem of power network and natural gas network.

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  • Natural gas network, power network and power supply combined planning method
  • Natural gas network, power network and power supply combined planning method
  • Natural gas network, power network and power supply combined planning method

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Embodiment Construction

[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0026] In the existing joint programming problems, the modeling of natural gas can be divided into two types: the linear model ignoring the node pressure and the nonlinear model considering the node pressure. Among these two types of models, the first type of model is too simple to accurately reflect the characteristics of natural gas, and the second type of model is too complex to be solved by artificial intelligence algorithms, so it cannot efficiently solve related models. The method proposed in the present invention can overcome these limitations, so that the joint programming problem considering air pressure can be solved effectively.

[0027] The present invention first establishes a natural gas network, power supply, and power grid multi-stage joint planning model with the goal of minimizing investment costs and operating costs under th...

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Abstract

The invention provides a natural gas network, power network and power supply combined planning method, comprising the steps of: firstly establishing a natural gas network, power network and power supply multi-stage combined planning model using minimum investment cost and operating cost as a goal under safety operation constraints of a power network and a natural gas network; and then transforming the optimized solution of the model into a large-scale mixed integer liner optimization problem by using an incremental piecewise linearization method, thereby quickly obtaining an optimal solution by adopting a mature mathematical optimization method, and solving the complex optimized solution problem. The method can be used in combined planning of the natural gas network, power network and power supply and provides quantitative reference basis for practical engineering problems of natural gas expansion, power network expansion and the like from the perspective of common optimized operation of the two networks, and practical engineering personnel can thus carry out relevant researches.

Description

technical field [0001] The invention belongs to the field of power system planning, and in particular relates to the quantitative guidance for joint planning of natural gas network, power supply and power grid. Background technique [0002] In order to promote the comprehensive utilization of various types of energy, the interaction between supply and demand, and efficient operation, a new generation of energy systems centered on the power grid has emerged as the times require. Different from the traditional power system, the power network and natural gas network in the new generation energy system are closely connected (coupled) through gas units and affect each other. Therefore, in order to ensure the safe operation of the future power network and natural gas network, it is urgent to carry out research on joint planning of power network and natural gas network. [0003] The joint planning of power network and natural gas network is a complex large-scale, high-dimensional,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y02E40/70Y04S10/50
Inventor 别朝红胡源严超
Owner XI AN JIAOTONG UNIV
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