Electric power system hybrid real-time simulation system and simulation method based on RTDS
A hybrid real-time and power system technology, applied in the field of power systems, can solve problems such as unsuitable network simulation research, inability to perform real-time simulation, and large errors, and achieve the effects of simple structure, wide applicability, and accurate results
Inactive Publication Date: 2014-08-20
POWER GRID TECH RES CENT CHINA SOUTHERN POWER GRID
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However, the simulation system in the prior art cannot perform real-time simulation due to some limitations.
In addition, because the calculation method at the interface is simple and has the defect of large error, it is not suitable for large network simulation research,
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Disclosed are an electric power system hybrid real-time simulation system and simulation method based on an RTDS. The simulation system is provided with a real-time electromagnetic transient simulation system, a real-time electromechanical transient simulation system and a hybrid simulation interface. The simulation method comprises the steps that (1), simulation preparation is carried out; (2), an initial state is updated; (3), dynamic data in the real-time electromechanical transient simulation system are processed equivalently through the hybrid simulation interface and are transmitted to the real-time electromagnetic transient simulation system, the real-time electromechanical transient simulation system carries out current electromagnetic transient calculation, and updating is carried out. Meanwhile, dynamic data in the electromagnetic transient simulation system are processed equivalently through the hybrid simulation interface and are transmitted to the real-time electromechanical transient simulation system, the real-time electromechanical transient simulation system carries out current electromagnetic transient calculation, and updating is carried out. The step is ceaselessly repeated until simulation time is up. According to the electric power system hybrid real-time simulation system and simulation method, the electromechanical transient process of a large-scale power grid low-speed dynamic state and the electromagnetic transient process of local fast responses can be simulated in real time, the structure is simple, the result is accurate, and adaptability is high.
Description
technical field The invention relates to the technical field of power systems, in particular to an RTDS-based hybrid real-time simulation system and simulation method for power systems. Background technique At present, the regional interconnection scale of the power system is becoming larger and larger, and the inter-regional correlation is enhanced; the large-scale application of high-voltage direct current transmission systems based on high-power power electronics technology and new flexible AC transmission system FACTS devices makes dynamic processes reflecting different physical characteristics intertwined. The new situation of power system development has put forward higher requirements for simulation technology. On the one hand, it is required to simulate the transient stability dynamic characteristics of large-scale interconnected systems in one simulation process and accurately reflect the interaction between regional power grids, large systems and local systems. rol...
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IPC IPC(8): G06F9/455
Inventor 李伟郭琦韩伟强欧开健黄立滨胡云
Owner POWER GRID TECH RES CENT CHINA SOUTHERN POWER GRID