A simulation method and model of fast switching of power supply

A technology of power supply and analog quantity, which is applied in the simulation method and model field of power supply fast switching, which can solve the problems such as difficult configuration of fast switching device parameters, inability to analyze the interaction between fast switching device and the entire enterprise power grid, etc.

Active Publication Date: 2021-10-08
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0009] Aiming at the defects in the prior art, the present invention provides a simulation method and model of fast power switching to solve the problem that it is impossible to analyze the interaction between the fast switching device and the entire enterprise power grid, and it is difficult to configure the parameters of the fast switching device

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  • A simulation method and model of fast switching of power supply
  • A simulation method and model of fast switching of power supply
  • A simulation method and model of fast switching of power supply

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Embodiment Construction

[0082] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the 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.

[0083] figure 1 It is a schematic flow chart of the power fast switching simulation method proposed by an embodiment of the present invention, refer to figure 1 , the power fast switching simulation method, including:

[0084] 110. The control logic system acquires the first analog parameter and the second analog parameter collected by the ...

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Abstract

The invention discloses a simulation method and model of power supply fast switching. The method includes: a control logic system acquires the first analog parameter and the second analog parameter collected by the primary system, and the switch state parameter of the circuit breaker in the primary system; According to the pre-selected quick-cut start mode, combined with the switch state parameters or the first analog parameter, the first incoming line circuit breaker is tripped when it is judged that the first power supply fails; according to the pre-configured closing mode, combined with the first and second analog The quantity parameter judges whether the closing condition is met, and if so, executes the closing action. The present invention is based on analog quantity parameters and switch state parameters, and simulates all fault situations according to the pre-configured starting mode, switching mode and closing mode. The interaction among them provides a reliable and efficient research method, which can effectively improve the reliability of the parameter configuration of the fast cutting device.

Description

technical field [0001] The invention relates to the technical field of fast switching of power supplies, in particular to a simulation method and model of fast switching of power supplies. Background technique [0002] It is not uncommon for industrial enterprises to experience unplanned shutdowns of production equipment, large fluctuations in supply voltage, or short-term power outages (commonly known as "shocking power") due to failures or abnormalities in external power grids or internal power supply networks. At present, the main method for industrial enterprises to solve the reliability of power supply is to use dual-channel or multi-channel power supply for the primary system, supplemented by fast switching devices (quick switching) for the secondary system. The basic principle of fast switching is to close the bus tie circuit breaker quickly according to the change of the residual voltage of the motor bus, and make the impact on the motor and the system within the tol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06Q50/06
CPCG06Q50/06G06F30/20
Inventor 刘维功钱志红时振堂杜红勇李君李琼
Owner CHINA PETROLEUM & CHEM CORP
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