CN104006876A - Station border noise discharge data processing method for transformer substation - Google Patents
Station border noise discharge data processing method for transformer substation Download PDFInfo
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- CN104006876A CN104006876A CN201410230547.0A CN201410230547A CN104006876A CN 104006876 A CN104006876 A CN 104006876A CN 201410230547 A CN201410230547 A CN 201410230547A CN 104006876 A CN104006876 A CN 104006876A
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Abstract
The invention relates to a station border noise discharge data processing method for a transformer substation. The method includes the steps that firstly, field surveying is conducted on the outdoor transformer substation, surroundings are checked, and a transformer substation layout diagram and a corresponding position distribution diagram are drawn; secondly, spectrum signatures of main noise sources of equipment in the transformer substation are detected, and a station border noise discharge diagram of the transformer substation is drawn; thirdly, the station border noise discharge diagram of the transformer substation is drawn. The second step includes the following sub-steps that firstly, a sound pressure sensor is used for testing station border noise of the transformer substation; secondly, the similarity level of spectrum signatures of the station border noise and the spectrum signatures of the main noise sources of the equipment in the transformer substation is analyzed, and sound sources of the station border noise are determined and detected; thirdly, identification is conducted with different colors according to a proposed noise data processing standard and considering that the degrees of influencing the environment by the station border discharge noise of the transformer substation are different, and the station border noise discharge diagram of the transformer substation is drawn. Compared with the prior art, the station border noise discharge data processing method has the advantages that data are unified and clear, distinguishing is convenient, and the application range is wide.
Description
Technical field
The present invention relates to a kind of noise emission data processing method, especially relate to a kind of for Substation Station circle noise emission data processing method.
Background technology
China's rapid economic development at any time, power load sharply increases, and transformer substation construction progressively develops to down town.Transformer station is around no longer only vacant lot, road, factory building, also comprises office building, shopping centre, even residential block.It is one of key task of State Grid Corporation of China's Eleventh Five-Year Plan and " 12 " program for the development of science and technology that the noise emission of transformer station in operational process administered.Only specification Substation Station circle noise emission standard of " Industrial Enterprise Factory Boundary neighbourhood noise emission standard " G812348-2008 at present, standard-required: noise emission measured value and ground unrest value differ and should be greater than 3dB (A).Evaluation of result: the measurement result of each measuring point is evaluated separately.
Electricity is the product that continuous production can not store, and therefore substation equipment can not be stopped transport at any time, and most of transformer station noise emission measured value and ground unrest value difference value be generally less than 3dB (A), cannot meet the testing requirement of standard; And the boundary's noise measuring point of standing is many, as enumerated out each measuring point noise data with form, no matter for professional person or layman, all seem very not directly perceived, therefore use " Industrial Enterprise Factory Boundary neighbourhood noise emission standard " GB12348-2008 to carry out Substation Station circle noise emission assessment and need to set up a kind of special inspection data processing method, just can better provide data supporting for the noise emission of administering transformer station.
The present invention confirms transformer station's noise emission with spectrum sigtral response method, shows Substation Station circle noise emission level with graphic interpretation.
Summary of the invention
Object of the present invention is exactly to provide a kind of for Substation Station circle noise emission data processing method in order to overcome the defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of Substation Station circle noise emission data processing method that is used for, is characterized in that, comprises the following steps
1) outdoor substation is carried out to on-site land survey, and surrounding enviroment are checked, draw transformer station's floor plan and relative position distribution figure;
2) spectrum signature of detection power transformation station equipment Main Noise Sources, draws Substation Station circle noise emission figure, and this step comprises following sub-step:
21) by sound pressure sensor, Substation Station circle noise is tested;
22) similarity degree of analysis station circle noise spectrum feature and station equipment Main Noise Sources spectrum signature, determines the sound source of measuring station circle noise;
23) degree difference environment being impacted according to Substation Station circle displacement noise according to the noise data processing specification of drafting identifies with different colours, is depicted as Substation Station circle noise emission figure;
3), according to the Substation Station circle noise emission figure drawing, obtain the assessment result of Substation Station circle noise emission.
Described step 23) in noise data processing specification comprise following content:
(1) red square frame background black font: show this noise region numerical value, and noise emission exceeds standard, need specific aim noise abatement;
(2) green square frame background black font: show this noise region numerical value, and noise emission is qualified, without improvement;
(3) grey square frame background black font: show this noise region numerical value, and ground unrest approaches displacement noise, cannot detect;
(4) red end line: noise sensitive area, implement as early as possible noise abatement;
(5) purple end line: noise observation area, carry out the research of noise feasible scheme, while needs, administering;
(6) green end line: qualified district, without improvement;
(7) sun strobe: in the daytime detection time section;
(8) moon mark: detection time at night section.
Compared with prior art, the present invention has the following advantages:
1, the noise emission of transformer substation in city station circle and station circle's ground unrest close (difference is less than 3dB), do not meet the testing conditions of GB12348-2008 standard, adopt the detection data processing method of spectrum signature Comparison Method, just can judge that noise emission detects data and whether meets the testing conditions that standard specifies.
2, transformer station's noise emission data are processed through graphic technique, Substation Station circle noise emission level is embodied intuitively.This data processing method makes Substation Station circle noise emission assessment report have unification method for expressing clearly.
3, Substation Station circle is carried out to color division according to noise emission to the Different Effects of environment, and combining station circle noise testing data, integrate transformer station's displacement noise is evaluated, administer foundation is provided for transformer station's noise emission.
Brief description of the drawings
Fig. 1 is method flow diagram of the present invention
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented as prerequisite taking technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment:
As shown in Figure 1, a kind of for outdoor substation station circle's noise emission data processing method, the method is for the assessment of outdoor substation noise emission.First to carry out site inspection to a certain transformer station, obtain transformer station's floor plan, will know the real situation to transformer station's surrounding environment simultaneously, draw the relative position distribution figure of Substation Station circle and its Adjacent Buildings.Then detect the spectrum signature of power transformation station equipment Main Noise Sources.After Substation Station circle noise is tested, the similarity degree of analysis station circle noise spectrum feature and station equipment Main Noise Sources spectrum signature, determine the sound source of measuring station circle noise, the measuring station circle noise result high to similarity degree marks in above-mentioned distribution plan with " redness " or " green " font; The measuring station circle noise result low to similarity degree marks in above-mentioned distribution plan with " grey "; And the degree difference that Substation Station bound pair environment is impacted identifies with different colours, to obtain the assessment result of Substation Station circle noise emission, for noise abatement provides technical support, noise data processing specification comprises following content:
(1) red square frame background black font: show this noise region numerical value, and noise emission exceeds standard, need specific aim noise abatement;
(2) green square frame background black font: show this noise region numerical value, and noise emission is qualified, without improvement;
(3) grey square frame background black font: show this noise region numerical value, and ground unrest approaches displacement noise, cannot detect;
(4) red end line: noise sensitive area, implement as early as possible noise abatement;
(5) purple end line: noise observation area, carry out the research of noise feasible scheme, while needs, administering;
(6) green end line: qualified district, without improvement;
(7) sun strobe: in the daytime detection time section;
(8) moon mark: detection time at night section.
Adopt Substation Station circle noise emission specification result to show, the north of this transformer station and west are qualified in improvement near the station circle noise emission of traffic major trunk roads, in the south and northeastward need to be carried out noise processed feasibility study near the station circle of factory building, and formulate noise reduction scheme, and southeastern direction belongs to noise sensitive area near the direction of residential block, need to carry out noise processed targetedly to this region, implement as early as possible noise abatement scheme.
Claims (2)
1. for a Substation Station circle noise emission data processing method, it is characterized in that, comprise the following steps
1) outdoor substation is carried out to on-site land survey, and surrounding enviroment are checked, draw transformer station's floor plan and relative position distribution figure;
2) spectrum signature of detection power transformation station equipment Main Noise Sources, draws Substation Station circle noise emission figure, and this step comprises following sub-step:
21) by sound pressure sensor, Substation Station circle noise is tested;
22) similarity degree of analysis station circle noise spectrum feature and station equipment Main Noise Sources spectrum signature, determines the sound source of measuring station circle noise;
23) degree difference environment being impacted according to Substation Station circle displacement noise according to the noise data processing specification of drafting identifies with different colours, is depicted as Substation Station circle noise emission figure;
3), according to the Substation Station circle noise emission figure drawing, obtain the assessment result of Substation Station circle noise emission.
2. one according to claim 1 for Substation Station circle noise emission data processing method, is characterized in that described step 23) in noise data processing specification comprise following content:
(1) red square frame background black font: show this noise region numerical value, and noise emission exceeds standard, need specific aim noise abatement;
(2) green square frame background black font: show this noise region numerical value, and noise emission is qualified, without improvement;
(3) grey square frame background black font: show this noise region numerical value, and ground unrest approaches displacement noise, cannot detect;
(4) red end line: noise sensitive area, implement as early as possible noise abatement;
(5) purple end line: noise observation area, carry out the research of noise feasible scheme, while needs, administer again;
(6) green end line: qualified district, without improvement;
(7) sun strobe: in the daytime detection time section;
(8) moon mark: detection time at night section.
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| CN201410230547.0A CN104006876A (en) | 2014-05-28 | 2014-05-28 | Station border noise discharge data processing method for transformer substation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106285083A (en) * | 2015-05-12 | 2017-01-04 | 国网智能电网研究院 | A kind of transformer station noise-reduction method |
| CN110567576A (en) * | 2019-09-11 | 2019-12-13 | 中国电力科学研究院有限公司 | Method and device for determining reason for standard exceeding of factory boundary noise of transformer substation |
| CN112002541A (en) * | 2020-09-21 | 2020-11-27 | 国网湖南省电力有限公司 | Method for reducing distribution transformer operation noise by restraining user load unbalance |
| CN112002542A (en) * | 2020-09-21 | 2020-11-27 | 国网湖南省电力有限公司 | Method for reducing distribution transformer operation noise by suppressing user load harmonic |
| CN113008361A (en) * | 2021-02-04 | 2021-06-22 | 国网湖南省电力有限公司 | Substation boundary noise anti-environmental interference detection method and device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285083A (en) * | 2015-05-12 | 2017-01-04 | 国网智能电网研究院 | A kind of transformer station noise-reduction method |
| CN106285083B (en) * | 2015-05-12 | 2019-02-15 | 国网浙江省电力公司 | A kind of substation's noise-reduction method |
| CN110567576A (en) * | 2019-09-11 | 2019-12-13 | 中国电力科学研究院有限公司 | Method and device for determining reason for standard exceeding of factory boundary noise of transformer substation |
| CN112002541A (en) * | 2020-09-21 | 2020-11-27 | 国网湖南省电力有限公司 | Method for reducing distribution transformer operation noise by restraining user load unbalance |
| CN112002542A (en) * | 2020-09-21 | 2020-11-27 | 国网湖南省电力有限公司 | Method for reducing distribution transformer operation noise by suppressing user load harmonic |
| CN113008361A (en) * | 2021-02-04 | 2021-06-22 | 国网湖南省电力有限公司 | Substation boundary noise anti-environmental interference detection method and device |
| CN113008361B (en) * | 2021-02-04 | 2023-08-15 | 国网湖南省电力有限公司 | Method and device for detecting noise of substation boundary of transformer substation against environmental interference |
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