Rapid electromagnetic transient modeling simulation method for distributed resistance energy consumption device

A technology of energy consumption devices and distributed resistance, which is applied in the field of fast electromagnetic transient modeling and simulation of distributed resistance energy consumption devices, can solve the problem of slow progress in electromagnetic transient simulation of large-scale modular distributed resistance energy consumption devices, which is unfavorable for engineering personnel's research and development. Test and other issues, to achieve good engineering application value, good simulation accuracy, and improve the simulation speed

Pending Publication Date: 2022-04-12
CHINA SOUTH POWER GRID ELECTRIC POWER RES INST +1
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Problems solved by technology

The above two factors lead to very slow progress in the electromagnetic transient simulation of large-scale modular distributed resistance energy dissipation devices in practical applications, which is not conducive to the research and testing work of engineers

Method used

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  • Rapid electromagnetic transient modeling simulation method for distributed resistance energy consumption device
  • Rapid electromagnetic transient modeling simulation method for distributed resistance energy consumption device
  • Rapid electromagnetic transient modeling simulation method for distributed resistance energy consumption device

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Embodiment Construction

[0058] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0059] figure 1 It is a structural diagram of the main circuit in the fast electromagnetic transient modeling and simulation method of the distributed resistance energy consumption device of the present invention.

[0060] see figure 1 , in the fast electromagnetic transient modeling and simulation method of the distributed ...

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Abstract

The invention provides a rapid electromagnetic transient modeling simulation method for a distributed resistance energy consumption device, and the method comprises the steps: simplifying an energy consumption main circuit of an energy consumption sub-module in a large-scale modular distributed resistance energy consumption device into a simple circuit, a first electrode of the switch, a second electrode of the first switching device and a first electrode of the second switching device are mutually connected to form a first terminal of the simple circuit; a second electrode of the switch, a first electrode of the first switching device, a second electrode of the voltage source and a second electrode of the resistor are mutually connected to form a second terminal of the simple circuit; the second electrode of the second switching device, the first electrode of the voltage source, and the first electrode of the resistor are connected to each other. According to the rapid electromagnetic transient modeling simulation method for the distributed resistance energy consumption device, dynamic characteristics are considered, and the simulation efficiency is greatly improved while the simulation precision is guaranteed.

Description

technical field [0001] The invention belongs to the field of DC energy consumption devices, in particular to a fast electromagnetic transient modeling and simulation method for distributed resistance energy consumption devices. Background technique [0002] In the selection of offshore wind power transmission methods, DC lines have gradually become an important transmission method for offshore wind power due to their advantages such as no capacitive and inductive reactance, and low cost of long-distance transmission. In the DC transmission system of offshore wind power, how to effectively realize the fault ride-through (Fault-Ride-Through, FRT) of the whole system when the power grid at the receiving end is faulty is always an important engineering technical problem, and the DC energy consumption device is to realize the An important physical device of the DC sending system FRT. Considering the current technical limitations of direct series connection of power electronic sw...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F30/367
Inventor 陈怡静黄伟煌彭发喜赵晓斌李岩国建宝杨光源张楠
Owner CHINA SOUTH POWER GRID ELECTRIC POWER RES INST
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