Civil house platform distortion field intensity safety assessment method under multi-condition constraint

A safety assessment and multi-condition technology, applied in the field of safety assessment of the distortion field strength of residential platforms, which can solve problems such as serious power frequency electric fields

Pending Publication Date: 2022-02-01
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +2
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  • Application Information

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Problems solved by technology

Through the further research and calculation of the distorted electric field near the houses by later scholars, it is found that the power frequency electric field is the most serious at the corners and edges of the houses, and it is necessary to accurately calculate the distorted electric field near the wall, which most 3D electric field measuring instruments cannot meet. this request

Method used

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  • Civil house platform distortion field intensity safety assessment method under multi-condition constraint
  • Civil house platform distortion field intensity safety assessment method under multi-condition constraint
  • Civil house platform distortion field intensity safety assessment method under multi-condition constraint

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Embodiment Construction

[0043] A safety assessment method for the distortion field strength of a residential building platform under the constraints of multiple conditions, including the following steps:

[0044] A. Build house models and human body models;

[0045] B. Calculate the quasi-static time harmonic field mathematical model;

[0046] C. Measure the distorted electric field at the platform of the private house;

[0047] D. Measure the distorted electric field, potential and open circuit current near the human body;

[0048] E. Evaluate the distortion field strength at the platform of the private house.

[0049] In step A,

[0050] When building a house model, first draw a two-dimensional rectangular outline on the reference plane, and then perform thin-wall stretching, set the wall thickness to 0.2m, and go up layer by layer. After determining the size and position relationship of windows and doors, cut off the corresponding positions That is, build a datum plane at the position where th...

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Abstract

The invention discloses a civil house platform distortion field intensity safety assessment method under multi-condition constraint. The method comprises the following steps of: A, establishing a house model and a human body model; B, calculating a quasi-static time-harmonic field mathematical model; C, measuring a distortion electric field at a civil house platform; D, measuring a distortion electric field, a potential and an open-circuit current near the human body; and E, evaluating the distortion field intensity at the civil house platform. The defects in the prior art can be overcome, and the accuracy of power frequency electric field evaluation at the civil house platform is improved.

Description

technical field [0001] The invention relates to the technical field of high-voltage transmission line environment assessment, in particular to a safety assessment method for the distortion field strength of a residential building platform under the constraints of multiple conditions. Background technique [0002] Under the background of the continuous development of UHV transmission technology in my country, the shortage of line corridors has become more and more common, and the phenomenon of transmission lines adjacent to private houses is becoming more and more common. The electromagnetic environment problem at the residential platform below the transmission line has brought a certain degree of worry and dissatisfaction to the local residents. The electromagnetic environment of AC transmission lines mainly includes four indicators: audible noise, radio interference, power frequency electric field, and power frequency magnetic field. Among them, the power frequency electric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06Q50/06G06F111/04
CPCG06F30/23G06Q50/06G06F2111/04
Inventor 何旺龄万保权张胤禄刘云鹏徐吉来张亮周大森路遥魏宏宇
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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