Resilience Assessment Methodology for Complex Energy Interconnected Systems
A technology of energy interconnection and resilience, which is applied in the field of resilience assessment, can solve problems such as complex dynamic response mechanisms, and achieve the effect of effective assessment
Active Publication Date: 2022-05-20
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology
The disadvantage of the existing technology is that the existing resilience assessment object is a single system, and even interconnected systems are assumed to be able to unify and coordinate decision-making among subsystems
However, under market conditions, the complex energy interconnection system has the characteristics of multi-agent, distributed autonomy, and independent decision-making, making its dynamic response mechanism more complicated, and there is a risk of emergence in the face of large disturbances
Method used
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[0057] The present invention will be described in detail below in conjunction with the implementations shown in the accompanying drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structures of these implementations, etc. Effective transformation or substitution all belong to the protection scope of the present invention.
[0058] A resilience assessment method for complex energy interconnection systems, characterized in that it includes the following steps:
[0059] Step 1: Analyze the dynamic process of the energy interconnection system under typical extreme events, and obtain the functional function characteristics of the energy interconnection system and the subsystems under the energy interconnection system under typical extreme events. system) and non-fault subsystem B (Class B system).
[0060] The system function function is that the system...
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The present invention relates to a resilience assessment method for a complex energy interconnection system, comprising the following steps: Step 1: analyzing the dynamic process of the energy interconnection system under typical extreme events, and obtaining the energy interconnection system and the energy interconnection system under typical extreme events Set the functional function characteristics of the subsystems, the subsystems include fault subsystems and non-fault subsystems; Step 2: Based on the functional function characteristics of the energy interconnection system and subsystems, establish an energy interconnection system resilience evaluation index system, the The resilience evaluation index includes the infection index of the faulty subsystem to the non-faulty subsystem, and the feedback index of the non-faulty subsystem to the faulty subsystem; Step 3: Determine the typical extreme event scenarios and their probabilities of the energy interconnection system by sampling method; step 4: Obtain the function function curves of the energy interconnection system and its sub-systems under various typical extreme events through simulation methods; based on the function function curves, calculate and obtain the value of the resilience evaluation index of the energy interconnection system.
Description
technical field [0001] The invention relates to a resilience assessment method for complex energy interconnection systems. Background technique [0002] In order to alleviate the depletion of fossil energy and environmental pollution, the new generation of energy system will form a multi-subject pattern with electricity-gas interconnection as the main energy framework, supplemented by a large amount of renewable energy, and comprehensive supply of terminal multi-energy. A complex energy interconnection system characterized by modernization and flatness. The system can improve the comprehensive energy utilization efficiency and application flexibility through the coupling between subsystems and energy sources. At the same time, due to its multi-agent decentralized decision-making and the interconnection and mutual assistance of subsystems, it will become more secure in the face of security threats. Vulnerable and even have an emergent effect. [0003] In recent years, frequ...
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IPC IPC(8): G06Q10/06G06Q30/02G06Q50/06G06F17/11
CPCG06Q10/0639G06Q30/0283G06Q50/06G06F17/11Y02P90/82
Inventor 刘文霞黄钰辰
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)