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Method for estimating immune time of industrial process parameters considering the operation mode of power supply system

A technology of operation mode and process parameters, applied in the direction of data processing applications, instruments, resources, etc., can solve problems such as governance plan design deviations, wrong economic loss assessments, and unrealistic problems, so as to avoid measurement work, improve accuracy, and apply wide range of effects

Active Publication Date: 2018-12-21
FUZHOU UNIV
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Problems solved by technology

Existing methods ignore the fact that the actual impact range of the voltage sag caused by the different operating modes of the power supply system is different, and eventually the PIT evaluation results are often too strict and unrealistic, which is likely to cause wrong economic loss evaluation and deviation in governance plan design.

Method used

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  • Method for estimating immune time of industrial process parameters considering the operation mode of power supply system
  • Method for estimating immune time of industrial process parameters considering the operation mode of power supply system
  • Method for estimating immune time of industrial process parameters considering the operation mode of power supply system

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Embodiment Construction

[0051] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0052] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0053] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention relates to an industrial process parameter immune time evaluation method considering the operation mode of a power supply system. Firstly, a topological network is constructed, the current switching state is read, and node connectivity is analyzed. Then, the disturbed equipment is judged according to the sag occurrence point. Then the fault tree of the disturbed process is established. Finally, the process synthesis PIT is obtained by using a single device PIT. The invention can make the evaluation result more close to the actual situation, and has more engineering application value.

Description

technical field [0001] The invention relates to the field of voltage sag analysis, in particular to a method for evaluating immune time of industrial process parameters considering the operation mode of a power supply system. Background technique [0002] With the rapid development of high-end manufacturing, industrial production processes that contain a large number of voltage-sensitive loads are very sensitive to voltage sags. Voltage sag has become the most serious power quality problem, which has brought great economic losses to users. For industrial users, they are more concerned about whether the process operation status meets the process requirements (including temperature, speed, torque, pressure, etc.). The essence of process interruption is that the physical parameters of the process exceed the limit value. Different industrial processes, even if the equipment has the same voltage tolerance, due to different process requirements, the limit values ​​of physical par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0639G06Q50/06
Inventor 张逸李为明邵振国王建勋张旭彬
Owner FUZHOU UNIV
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