Electric reactor noise model selection method for controlling field boundary noise level of outdoor transformer substation

Abstract

The invention discloses an electric reactor noise model selection method for controlling the field boundary noise level of an outdoor transformer substation. The method comprises the following steps:establishing a model and adopting a multi-physical field coupling principle; performing resistance simulation result and analysis; carrying out reactor noise level experimental verification; obtaininga model selection conclusion; wherein in the step 1, creating a model, adopting a multi-physical-field coupling principle and carrying out the following procedures; wherein in the step 2, generatingthe simulation result and analyzing an electric reactor pass through the following program; wherein in the step 3, verifying the noise level of the electric reactor by an experiment; wherein in the step 4, acquiring an electric reactor model selection conclusion, enabling an iron core of the electric reactor to generate vibration to cause noise in the operation process, and in addition, the vibration of the winding and the vibration of other structural components also cause a certain amount of noise; in the future, finite element software can also be used for analyzing the vibration noise problem caused by the winding and other elements through a multi-physical-field coupling method.

Description

technical field [0001] The invention relates to the technical field of noise control and analysis at the field boundary of a substation, in particular to a reactor noise selection method for controlling the noise level of the field boundary of an outdoor substation. Background technique [0002] At present, the research on the vibration and noise of the reactor is generally based on the actual measurement of the vibration and noise data of the reactor to improve the existing reactor structure, and the vibration and noise caused by it is not considered in the design of the reactor structure model. Therefore, there is no The quantitative parameters of the vibration and noise caused by the reactor model, the research on iron-core reactors and transformers at home and abroad generally focuses on the testing technology and the electromagnetic calculation and analysis module. [0003] As one of the indispensable basic equipment in the power system, the iron core reactor has the ad...

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Problems solved by technology

[0002] At present, the research on reactor vibration and noise is generally based on the actual measurement of reactor vibration and noise data to improve the existing reactor structure, and does not consider the vibration and noise caused by it in the design of the reactor structure model, so there is no Quantitative parameters of vibration and noise caused by the reactor model, research on iron core reactors and transformers at home and abroad generally focus on testing technology and electromagnetic calculation and analysis modules

[0003] As one of the indispensable basic equipment in the power system, the iron core reactor has the advantages of small magnetic flux leakage and space saving. With the rapid development of new energy and power distribution systems in cities, reactors have been widely used in cities. At the same time, the vibration noise generated during the operation of the iron core reactor seriously pollutes the surrounding environment. In addition, the excessive vibration noise during the operation of the reactor will also pose a threat to the safe operation of the reactor. There is an air gap in the core structure of the reactor, which causes the reactance The vibration and noise problem of the reactor is more serious than that of the power transformer with the same capacity, and the analysis, research and control of the vibration and noise of the iron core reactor need to be solved urgently

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