Combined static safety analysis method for electrical-gas coupling multiple energy flow system

A static safety analysis and gas coupling technology, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve the problems of multi-energy flow systems that have not yet been expanded, and there are no

Active Publication Date: 2016-09-21
TSINGHUA UNIV
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Problems solved by technology

The existing safety analysis techniques are mainly concentrated in the power system, and have not been extended to the multi-en...

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  • Combined static safety analysis method for electrical-gas coupling multiple energy flow system
  • Combined static safety analysis method for electrical-gas coupling multiple energy flow system
  • Combined static safety analysis method for electrical-gas coupling multiple energy flow system

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Embodiment Construction

[0038] The electric-pneumatic coupled multi-energy flow system joint static safety analysis method proposed by the present invention includes the following steps:

[0039] (1) From the energy management system of the electric-pneumatic coupling multi-energy flow system, obtain the state estimation result Ψ of the current electric-pneumatic coupling multi-energy flow system se , including: the voltage amplitude of grid nodes and the active power of grid branches in the electric-pneumatic coupled multi-energy flow system, the gas network node pressure and the gas network branch flow in the electric-pneumatic coupled multi-energy flow system;

[0040] (2) From the energy management system of the electric-pneumatic coupled multi-energy flow system, obtain the safe operation constraints of the power grid and gas network in the electric-pneumatic coupled multi-energy flow system Ψ sc , including: the allowable maximum value of the grid node voltage amplitude, the allowable minimum v...

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Abstract

The invention relates to a combined static safety analysis method for an electrical-gas coupling multiple energy flow system, belongs to the technical field of operation and control in multiple energy source modes. The method breaks through limit of safety analysis of an electrical power system only taking consideration of the electrical power system itself, the method takes consideration of mutual influence of electrical power supply and gas supply and realizes combined static safety analysis on the electrical-gas coupling multiple energy flow system, so influence of possible preconceived accidents in electrical power supply and gas supply on the two systems are all analyzed, compared with a method carrying out independent safety analysis on electrical power supply and on gas supply, safety analysis precision is improved, and error and determination missing are reduced. The method can be applied to online operation of the electrical-gas coupling multiple energy flow system and works for electrical-gas coupling multiple energy flow energy management, a safety warning is provided when the system has a safety problem or a latent risk, and improvement of operation safety of the electrical-gas coupling multiple energy flow system is facilitated.

Description

technical field [0001] The invention relates to an electric-pneumatic coupling multi-energy flow system joint static safety analysis method, which belongs to the technical field of operation and control of electric power systems containing multiple energy forms. Background technique [0002] The comprehensive utilization of energy is an important way to improve the efficiency of comprehensive energy utilization and promote the consumption of renewable energy. By breaking the original state of relatively fragmented energy flow subsystems such as electricity, heat, cooling, gas, and transportation, the open interconnection of multiple types of energy is realized, and the construction of Multi-energy flow system. Multi-energy flow refers to various types of energy flow, representing the mutual coupling, conversion and transmission of energy flows such as electricity, heat, cold, air, and transportation. Compared with traditional energy systems that are separated from each othe...

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Application Information

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IPC IPC(8): H02J3/00G06Q10/06G06Q50/06
CPCG06Q10/0635G06Q50/06H02J3/00H02J2203/20
Inventor 孙宏斌郭庆来王彬潘昭光陈瑜玮
Owner TSINGHUA UNIV
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