The main methods to analyze the transient stability of integrated energy system (IES) are time domain simulation method and direct method. Because the physical properties of different energy systems in IES are very different, and the interaction between different energy systems is very complex, the time domain simulation method is difficult to apply. The direct method can be used to analyze system stability based on transient energy, and the calculation method of transient energy is its core. Based on this, this article proposes a transient energy calculation method for IES, first, this article analyzes the energy conversion process of the IES and puts forward the corresponding transient energy calculation method; second, in order to verify the correctness of the transient energy calculation method, the time domain simulation model of the IES is established; Finally, a transient energy suppression method is proposed. Three simulation cases are designed, and the simulation results show the accuracy of the transient energy calculation method and the effectiveness of the suppression measure.

中文翻译：

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综合能源系统的暂态能量计算方法及抑制措施

分析集成能源系统暂态稳定性的主要方法是时域仿真法和直接法。由于IES中不同能源系统的物理特性差异很大，并且不同能源系统之间的相互作用非常复杂，因此难以应用时域仿真方法。直接法可用于基于暂态能量的系统稳定性分析，暂态能量的计算方法是其核心。在此基础上，提出了IES的暂态能量计算方法，首先，分析了IES的能量转换过程，提出了相应的暂态能量计算方法。其次，为了验证瞬态能量计算方法的正确性，建立了IES的时域仿真模型；最后，提出了一种暂态能量抑制方法。设计了三个仿真案例，仿真结果表明了暂态能量计算方法的准确性和抑制措施的有效性。