Electromagnetic transient and electromechanical transient hybrid simulation method based on real time digital simulator

A real-time digital simulation, electromagnetic transient technology, applied in electrical digital data processing, instruments, special data processing applications, etc., can solve the problem of not having electromechanical transient simulation function, and achieve the effect of broadening the research scope

Inactive Publication Date: 2010-09-08
南方电网技术研究中心 +1
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Problems solved by technology

RTDS is the most mature electromagnetic transient real-time simulation system in the world developed by the DC Research Center in Manitoba, Canada. However, it does not have the function of electromechanical transient simulation and can only perform simulation analysis on specific phenomena and ranges.

Method used

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  • Electromagnetic transient and electromechanical transient hybrid simulation method based on real time digital simulator
  • Electromagnetic transient and electromechanical transient hybrid simulation method based on real time digital simulator
  • Electromagnetic transient and electromechanical transient hybrid simulation method based on real time digital simulator

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Embodiment Construction

[0015] The hybrid simulation method of electromagnetic transient state and electromechanical transient state based on real-time digital simulator proposed by the present invention, its system structure schematic diagram is as follows figure 1 shown, including the following steps:

[0016] (1) Use the electromechanical transient simulation system to perform real-time electromechanical transient simulation calculations for the first power system. The name of the electromechanical transient simulation system used in the present invention is TH-STBLT, which was proposed by Tsinghua University. The system once won the first prize of the State Education Commission’s Science and Technology Progress Award in 1992 under the name of “Transmission Network Optimal Planning Algorithms and Software”. After many years of use and Gradually improved, now it has become a mature electromechanical transient simulation system.

[0017] (2) Use a real-time digital simulator to perform real-time si...

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Abstract

The invention relates to an electromagnetic transient and electromechanical transient hybrid simulation method based on a real time digital simulator (RTDS), belonging to the technical field of power system transient simulation. The method comprises the following steps: an electromechanical transient simulation system carries out electromechanical transient real-time simulation computation on a first power system; the RTDS carries out electromagnetic transient real-time simulation computation on a second power system; the electromechanical transient simulation system transfers the voltage and amperage of the first power system to the RTDS via an interface process control system and the RTDS carries out electromagnetic transient computation on the second power system by utilizing the voltage and amperage; and the RTDS transfers the voltage and electric power, which are obtained through simulation computation, of the second power system to the electromechanical transient simulation system via the interface process control system and the electromechanical transient simulation system carries out electromechanical transient computation on the first power system by utilizing the voltage and electric power. The method is conductive to understanding the dynamic characteristics of the electromechanical transient process of large-scale power systems and the electromagnetic transient process of a certain specific part and can coordinate the scale, precision and velocity of simulation.

Description

technical field [0001] The invention relates to a hybrid simulation method of electromagnetic transient state and electromechanical transient state based on a real-time digital simulator, and belongs to the technical field of power system transient state simulation. Background technique [0002] During the operation of the power system, the electromagnetic transient and electromechanical transient processes occur simultaneously. The electromagnetic transient process refers to the change process of the electric field and magnetic field and the corresponding voltage and current in each component of the power system. The electromagnetic transient simulation uses numerical calculation methods to analyze the electromagnetic transient process from a few microseconds to a few milliseconds in the power system. Simulation. The electromechanical transient process refers to the change process of the mechanical motion of the motor rotor caused by the change of the electromagnetic torqu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 洪潮梁旭张树卿薛巍
Owner 南方电网技术研究中心
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