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Modeling method and simulation model of three-phase eight-column magnetron controllable reactor

A simulation model and modeling method technology, applied in the direction of instruments, electrical digital data processing, CAD circuit design, etc., can solve the electromagnetic or electromechanical transient simulation of power grids that cannot use magnetically controlled reactors, and have no magnetically controlled reactor models. And other issues

Active Publication Date: 2022-07-22
NR ELECTRIC CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The winding method, iron core and iron yoke structure of the magnetic control reactor are quite different from the conventional two-winding or three-winding transformer. Therefore, there is no magnetic control reactor model that can be directly used in the current electrical simulation software. Makes it impossible to perform electromagnetic or electromechanical transient simulations on power grids containing magnetically controlled reactors

Method used

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  • Modeling method and simulation model of three-phase eight-column magnetron controllable reactor
  • Modeling method and simulation model of three-phase eight-column magnetron controllable reactor
  • Modeling method and simulation model of three-phase eight-column magnetron controllable reactor

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Embodiment 1

[0051] In the embodiment of the present invention, it is proposed to split the three-phase eight-column magnetron controllable reactor into three independent single-phase four-column controllable reactors, and use two three-winding transformers in series to form a simulation model equivalent to produce a single The electrical characteristics of the phase four-column magnetron controllable reactor are combined, and three single-phase simulation models are combined to form a three-phase eight-column controllable reactor simulation model, which can be realized in the current electromagnetic transient simulation software. Simulation modeling of a three-phase eight-column reactor.

[0052] figure 1 A schematic structural diagram of a novel three-phase eight-column magnetron controllable reactor provided by the embodiment of the present invention; the reactor body is a three-phase eight-column structure, and each phase includes two iron cores; the grid-side winding of each phase It...

Embodiment 2

[0079] The embodiment of the present invention provides a simulation model of a three-phase eight-column magnetron controllable reactor, including three connected simulation models of a single-phase four-column controllable reactor, the single-phase four-column controllable reactor The simulation model of the reactor is composed of two single-phase three-winding transformer simulation models in series.

[0080] Among them, the grid-side windings in the simulation model of each single-phase four-column controllable reactor are star-connected;

[0081] The compensation windings of the simulation models of each single-phase four-column controllable reactor are connected in an angle;

[0082] In the simulation model of each single-phase four-column controllable reactor, the positive poles of the control windings are connected in parallel to connect the positive poles of the rectifier bridge, and the negative poles of the control windings among the three are connected in parallel t...

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Abstract

The invention discloses a modeling method and a simulation model of a novel three-phase eight-column type magnetron controllable reactor, which comprises combining the simulation models of two single-phase three-winding transformers in series to form a single-phase four-column magnetron type The simulation model of the controllable reactor; based on the three simulation models of the single-phase four-column magnetron controllable reactor, the simulation model of the three-phase eight-column magnetic controll The grid-side windings are connected in a star shape, the three-phase compensation windings are connected in an angle shape, the positive poles of the three-phase control windings are connected in parallel, and the negative poles of the three-phase control windings are connected in parallel to complete the three-phase eight-column Modeling of a magnetron type controllable reactor. The invention realizes the simulation modeling of the three-phase eight-column reactor in the current electromagnetic transient simulation software.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic transient simulation modeling of a magnetron controllable reactor in a high-voltage alternating current power grid, and particularly relates to a modeling method and a simulation model of a three-phase eight-column magnetron controllable reactor. Background technique [0002] Magnetron controllable reactor generally includes grid side winding, control winding and compensation winding, such as figure 1 shown. The grid-side winding is directly connected to the power grid and is the output end of reactive power; the excitation current flowing in the control winding is used to adjust the magnitude of the output reactive power; the compensation winding is generally angularly connected, on the one hand, it provides a path for the third harmonic current to Reduce the voltage distortion rate, on the one hand as a self-excited power supply. The winding method, core and yoke structure of magnetron...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/33G06F30/367
Inventor 石祥建钟高跃韩兵牟伟韩焦吴龙刘为群陈松林文继锋谢俊
Owner NR ELECTRIC CO LTD
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