A Realization Method for Multi-time-scale Real-time Simulation Interface of Electromagnetic Transient

A multi-time scale, real-time simulation technology, applied in design optimization/simulation, special data processing applications, etc., can solve problems such as simulation scale limitations, save FPGA resources, solve interface computing load imbalance, and improve network computing effect of ability

Active Publication Date: 2020-03-17
CHINA ELECTRIC POWER RES INST +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] In order to achieve the above object, the present invention provides an implementation method suitable for the electromagnetic transient multi-time scale real-time simulation interface, which effectively solves the interconnection problem between the FPGA small-step simulation system and the server system of the power system, and solves the simulation scale limit problems, greatly improving the simulation efficiency

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  • A Realization Method for Multi-time-scale Real-time Simulation Interface of Electromagnetic Transient
  • A Realization Method for Multi-time-scale Real-time Simulation Interface of Electromagnetic Transient
  • A Realization Method for Multi-time-scale Real-time Simulation Interface of Electromagnetic Transient

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Embodiment Construction

[0033] Such as figure 1 As shown, an implementation method suitable for an electromagnetic transient multi-time scale real-time simulation interface, the method includes the following steps:

[0034] (1) According to the electromagnetic transient multi-time scale, the simulation system is divided into multiple sub-networks connected by decoupling element transmission lines, and the time scale of the sub-networks is determined;

[0035] In the step (1), determining the time scale of the sub-network according to the dynamic time constant of the system includes a minimum time scale and a non-minimum time scale.

[0036] According to different simulation accuracy, the following dynamic time constants (microseconds) can be selected: 1, 10, 50, 100, 1000.

[0037] The network with the minimum time scale runs on a real-time FPGA simulation platform, and the network with a non-minimum time scale runs on a real-time server platform.

[0038] (2) Decompose the decoupling element into...

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Abstract

The present invention relates to an implementation method suitable for an electromagnetic transient multi-time scale real-time cnsimulation interface, said method comprising the following steps: according to an electromagnetic transient multi-time scale, dividing a simulation system into a plurality of sub-networks connected via decoupling element transmission lines, and determining time scales of the sub-networks; via a Thévenin equivalent circuit, breaking down a decoupling element into two controlled sources having fixed internal resistances, incorporating into the sub-networks, and performing network matrix initialisation; performing simulation calculation, and receiving data of an FPGA platform; pre-processing the data of the FPGA platform, obtaining intermediate variables, and continuing the simulation calculation.

Description

technical field [0001] The invention relates to a realization method, in particular to a realization method suitable for an electromagnetic transient multi-time scale real-time simulation interface. Background technique [0002] In the power system, in order to verify the function and performance of new power automation equipment, a large number of tests are required before the equipment is put into actual system operation. The power system real-time digital simulation system can simulate various operating conditions of the power system in real time. It has the advantages of small size, low power consumption, good versatility, strong repeatability, and lower price than dynamic simulation and digital-analog hybrid simulation devices. It has been widely used in the test of power automation equipment. [0003] The small-step simulation system is an important part of a complete electromagnetic transient simulation system. As the simulation step size becomes smaller, the simula...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): G06F30/20
CPCG06F30/00
Inventor穆清李亚楼张星陈绪江朱毅王艺璇孙丽香胡晓波张彦涛张志强刘敏李琨
OwnerCHINA ELECTRIC POWER RES INST