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Transient computing network equivalence-based electromagnetic transient simulation newly added model development method

An electromagnetic transient simulation and computing network technology, which is applied in computing, electrical digital data processing, special data processing applications, etc., can solve the problems of complex circuit derivation process and difficult port feature quantities, and achieves a simple and efficient engineering practical method. Effect

Active Publication Date: 2016-08-17
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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Problems solved by technology

When the model port is dense, the circuit is complex, and there are many energy storage elements in the branch circuit, the differential differentiation process of the branch circuit equation and the subsequent circuit derivation process are relatively complicated, and it is difficult to quickly obtain the characteristic quantity at the port

Method used

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  • Transient computing network equivalence-based electromagnetic transient simulation newly added model development method
  • Transient computing network equivalence-based electromagnetic transient simulation newly added model development method
  • Transient computing network equivalence-based electromagnetic transient simulation newly added model development method

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Embodiment Construction

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings and embodiments. Apparently, the described embodiments are only some, not all, embodiments of the present invention.

[0026] see figure 1 , which is a flow chart of the steps of the new model development method based on the transient calculation network equivalent electromagnetic transient simulation of the present invention, including the following steps:

[0027] Step S10, converting the newly added model circuit into an electromagnetic transient calculation circuit model;

[0028] Step S20, write out the corresponding network equation according to the equivalent circuit connection mode of the electromagnetic transient calculation circuit model;

[0029] Step S30, performing Norton equivalent calculation on the equivalent circuit of the electromagnetic transient calculation circuit model to obtain the parameters of each ...

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Abstract

The invention discloses a transient computing network equivalence-based electromagnetic transient simulation newly added model development method. The method comprises the following steps: S10, converting a newly added model circuit into an electromagnetic transient computing circuit model; S20, writing a corresponding transient computing network equation according to an equivalent circuit connection type of the electromagnetic transient computing circuit model; S30, performing Norton equivalence computation on the transient computing network equation to obtain parameters of each port of an equivalent circuit; S40, performing simultaneous solution on the parameters of each port and a main network to obtain a network solution of each time step. According to the method, the Norton equivalence is performed on the circuit which is subjected to the electromagnetic transient equivalence, so that the current value of each port and equivalent port conductance value are quickly obtained; a newly added model equivalent circuit is obtained by a programming method; a tedious equivalent circuit derivation process when a model is newly added is avoided through simultaneous computing of an interface and the main network.

Description

technical field [0001] The invention relates to the field of power system simulation, in particular to a method for developing a newly added model for electromagnetic transient simulation based on transient calculation network equivalent. Background technique [0002] In recent years, electromagnetic transient simulation technology has become one of the most effective methods in power system research due to its unique advantages such as economy, flexibility, and repeatability. With the rapid development of my country's power system and the continuous expansion of its scale, new components and system control technologies have been continuously applied in the system, which has also brought new challenges to the electromagnetic transient simulation technology of power systems. [0003] In order to meet the growing needs of the power system, it is necessary to conduct electromagnetic transient simulation modeling for new devices such as new DC converters and FACTS devices. The ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/367
Inventor 涂亮高琴赵利刚朱林武志刚杨诚王长香周挺辉
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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