Abstract
Abstract The dynamic behaviour of loads and operation strategy both have a great impact on the reliability evaluation of the integrated energy system (IES). This paper proposes a novel reliability evaluation method with the comprehensive consideration of the dynamic behavior and operation strategy. Firstly, the IES model based on the energy hub is presented. The dynamic behaviour is modeled in the form of differential equations, and the operation strategy is set by the difference between exergy. Then, the reliability evaluation method based on the performance of loads is proposed. The matrix of converter capacity and support capacity are defined to reflect the assistance process of multiple operation. The Markov chain Monte Carlo method is employed to calculate the reliability indexes in different scenarios. Finally, case studies are carried out on a practical user-level IES, and the results indicate that the multiple operation of subsystems in the IES can effectively increase the reliability.
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