CN113552520A - Calculation method for calibration point position of large-gap small-diameter power frequency calibration device - Google Patents
Calculation method for calibration point position of large-gap small-diameter power frequency calibration device Download PDFInfo
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Abstract
The application discloses a method for calculating the position of a calibration point of a large-gap small-diameter power frequency calibration device. The power frequency calibration device is determined by adopting two parallel polar plates, wherein the two parallel polar plates are a round polar plate and a ground grounding polar plate; determining the radius R of a circular polar plate and the gap distance d between the circular polar plate and a ground grounding polar plate; and when the gap distance d is larger than or equal to the radius R, determining the calibration position of the power frequency calibration device.
Description
Technical Field
The application relates to the technical field of electromagnetic environments, in particular to a method for calculating the position of a calibration point of a large-gap small-diameter power frequency calibration device.
Background
With the rapid development of national social economy, the power demand increases at a high speed, and in order to meet the ever-increasing national economic and social power consumption demands, the scale of a power grid is larger and larger, and a power transmission line and a transformer substation are closer to the public activity area. Electromagnetic environmental problems, disputes and complaints caused by power transmission and transformation projects are also increasing. The influence of the power frequency electric field of the alternating current power transmission and transformation project on the surrounding environment is an important subject in the technical fields of environmental protection and electromagnetic compatibility, and in view of the complexity of power frequency electric field measurement, accurate measurement of the power frequency electric field strength around a power transmission line and a transformer substation is a main technical means for solving environmental disputes, so that the method has strong engineering value and social significance, and a set of standardized power frequency electric field measuring device calibration platform is required for realizing the accurate measurement of the power frequency electric field.
At present, a more common power frequency electric field calibration device is mainly composed of two parallel polar plates, wherein one of the two main forms is that the parallel polar plates are arranged in parallel to the ground, and an electric field probe and a bracket can be arranged in the device together for calibration; the other is that the parallel polar plates are arranged perpendicular to the ground, and the power frequency electric field probe is arranged between the two polar plates through an insulating rod. The support has great influence on power frequency electric field measurement. The gap of the power frequency electric field measuring device calibration device with parallel polar plates arranged in parallel with the ground is relatively small, the diameter is large, and the requirement of calibration with a bracket cannot be met. The parallel polar plate vertical ground arrangement is generally used for calibrating the probe body, and the characteristics of the bracket are difficult to reflect.
Disclosure of Invention
The embodiment of the disclosure provides a method for calculating the position of a calibration point of a power frequency calibration device with a large gap and a small diameter, so as to at least solve the problems that the gap of the calibration device of the power frequency electric field measurement device with parallel polar plates arranged in parallel with the ground is relatively small, the diameter is large, and the calibration requirement of a belt bracket cannot be met in the prior art. The arrangement of the parallel polar plates perpendicular to the ground is generally used for calibrating the probe body, and the technical problem of the characteristics of the support is difficult to reflect.
According to an aspect of the embodiments of the present disclosure, there is provided a method for calculating a calibration point position of a large-gap small-diameter power frequency calibration apparatus, including: determining a power frequency calibration device by adopting two parallel polar plates, wherein the two parallel polar plates are a circular polar plate and a ground grounding polar plate; determining the radius R of a circular polar plate and the gap distance d between the circular polar plate and a ground grounding polar plate; and when the gap distance d is larger than or equal to the radius R, determining the calibration position of the power frequency calibration device.
According to another aspect of the embodiments of the present disclosure, there is also provided a system for calculating the position of the calibration point of a large-gap small-diameter power frequency calibration apparatus, including: the power frequency calibration device determining module is used for determining a power frequency calibration device by adopting two parallel polar plates, wherein the two parallel polar plates are a round polar plate and a ground grounding polar plate; the radius and gap determining module is used for determining the radius R of the circular polar plate and the gap distance d between the circular polar plate and the ground grounding polar plate; and the calibration position determining module is used for determining the calibration position of the power frequency calibration device when the gap distance d is larger than or equal to the radius R.
The invention provides scientific and uniform basis, ensures the accuracy and uniformity of electric field measurement of the power transmission and transformation project, promotes the electric field measurement method and instrument of the power transmission and transformation project to develop towards standardization and normalization, and has important significance for environment influence evaluation of alternating current power transmission and transformation project and accurate measurement and effective control of electromagnetic environment of the power transmission and transformation project.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure. In the drawings:
fig. 1 is a schematic flowchart of a method for calculating a calibration point position of a large-gap small-diameter power frequency calibration apparatus according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of simulation results of a small-size large-gap power frequency electric field device according to an embodiment of the disclosure;
fig. 3 is a schematic diagram of a calculation system for the calibration point position of the large-gap small-diameter power frequency calibration device according to the embodiment of the disclosure.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
According to a first aspect of the present embodiment, a method 100 for calculating a calibration point position of a large-gap small-diameter power frequency calibration apparatus is provided. The method 100 includes:
s102, determining a power frequency calibration device by adopting two parallel polar plates, wherein the two parallel polar plates are a round polar plate and a ground grounding polar plate;
s104, determining the radius R of the circular polar plate and the gap distance d between the circular polar plate and the ground grounding polar plate;
and S104, determining the calibration position of the power frequency calibration device when the gap distance d is larger than or equal to the radius R.
Specifically, according to the present embodiment, assuming that the electrode diameter is 2m and the gap distance is 2.17m, the optimal calibration position is 1.49458m according to the formula of the present embodiment. Meanwhile, a three-dimensional simulation model with the electrode diameter of 2m and the gap distance of 2.17m is established, and the calculation simulation result is shown in fig. 2, wherein the height range of the central point of the uniform domain is 1.3-1.7 m, and the central point is 1.5 m. The calculation error of the comparison calculation formula is 0.36%, which illustrates the accuracy of the calculation formula.
Therefore, a scientific and unified basis is provided, the accuracy and the uniformity of electric field measurement of the power transmission and transformation project are ensured, the electric field measurement method and the electric field measurement instrument of the power transmission and transformation project are promoted to be developed towards the standardization and normalization direction, and the method and the instrument have important significance for environment influence evaluation of alternating current power transmission and transformation project and accurate measurement and effective control of electromagnetic environment of the power transmission and transformation project.
Optionally, when the gap distance d is greater than or equal to the radius R, determining a calibration position of the power frequency calibration device includes: determining the calibration position of the power frequency calibration device according to the following formula:
z＝0.164d/R-0.135R+0.61d-0.05
wherein z is the calibration position of the power frequency calibration device, d is the gap distance, and R is the gap distance.
Therefore, a scientific and unified basis is provided, the accuracy and the uniformity of electric field measurement of the power transmission and transformation project are ensured, the electric field measurement method and the electric field measurement instrument of the power transmission and transformation project are promoted to be developed towards the standardization and normalization direction, and the method and the instrument have important significance for environment influence evaluation of alternating current power transmission and transformation project and accurate measurement and effective control of electromagnetic environment of the power transmission and transformation project.
According to another aspect of the present application, there is provided a system 300 for calculating the position of a calibration point of a large-gap small-diameter power frequency calibration apparatus, the system 300 comprising: a power frequency calibration device determining module 310, configured to determine a power frequency calibration device using two parallel polar plates, where the two parallel polar plates are a circular polar plate and a ground polar plate; a determine radius and gap module 320 for determining a radius R of a circular plate and a gap distance d of the circular plate from a ground plate; and a position determining and calibrating module 330, configured to determine a calibration position of the power frequency calibrating device when the gap distance d is greater than or equal to the radius R.
Optionally, the determine calibration location module 330 includes: and determining a calibration position submodule, and determining the calibration position of the power frequency calibration device according to the following formula:
z＝0.164d/R-0.135R+0.61d-0.05
wherein z is the calibration position of the power frequency calibration device, d is the gap distance, and R is the gap distance.
The system 300 for calculating the calibration point position of the large-gap small-diameter power frequency calibration device according to the embodiment of the present invention corresponds to the method 100 for calculating the calibration point position of the large-gap small-diameter power frequency calibration device according to another embodiment of the present invention, and details thereof are not repeated herein.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (4)
1. A method for calculating the calibration point position of a large-gap small-diameter power frequency calibration device is characterized by comprising the following steps:
determining a power frequency calibration device by adopting two parallel polar plates, wherein the two parallel polar plates are a circular polar plate and a ground grounding polar plate;
determining the radius R of a circular polar plate and the gap distance d between the circular polar plate and a ground grounding polar plate;
and when the gap distance d is larger than or equal to the radius R, determining the calibration position of the power frequency calibration device.
2. The method of claim 1, wherein determining the calibration position of the power frequency calibration device when the gap distance d is greater than or equal to the radius R comprises:
determining the calibration position of the power frequency calibration device according to the following formula:
z＝0.164d/R-0.135R+0.61d-0.05
wherein z is the calibration position of the power frequency calibration device, d is the gap distance, and R is the gap distance.
3. A calculation system for the position of a calibration point of a large-gap small-diameter power frequency calibration device is characterized by comprising:
the power frequency calibration device determining module is used for determining a power frequency calibration device by adopting two parallel polar plates, wherein the two parallel polar plates are a round polar plate and a ground grounding polar plate;
the radius and gap determining module is used for determining the radius R of the circular polar plate and the gap distance d between the circular polar plate and the ground grounding polar plate;
and the calibration position determining module is used for determining the calibration position of the power frequency calibration device when the gap distance d is larger than or equal to the radius R.
4. The system of claim 3, wherein determining a calibrated position module comprises:
and determining a calibration position submodule, and determining the calibration position of the power frequency calibration device according to the following formula:
z＝0.164d/R-0.135R+0.61d-0.05
wherein z is the calibration position of the power frequency calibration device, d is the gap distance, and R is the gap distance.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203275630U (en) * | 2013-04-16 | 2013-11-06 | 宿奉祥 | Power frequency electric field probe calibration tester |
| US20160238646A1 (en) * | 2015-02-17 | 2016-08-18 | Commissariat â l'Energie Atomique et aux Energies | Device for measuring an electric field in a conducting medium and method of calibrating such a device |
| CN107290702A (en) * | 2017-07-26 | 2017-10-24 | 中国电力科学研究院 | A kind of three-dimensional AC electric field sensor calibrating installation and method |
| CN107884631A (en) * | 2017-10-23 | 2018-04-06 | 中国电力科学研究院有限公司 | A kind of method and system for measuring power-frequency electric field strength |
| CN107957567A (en) * | 2017-11-21 | 2018-04-24 | 国网四川省电力公司电力科学研究院 | A kind of calibration system and calibration method for power frequency electric field test system |
| CN108020802A (en) * | 2017-11-17 | 2018-05-11 | 北京无线电计量测试研究所 | A kind of electric field probe calibration method and device |
| CN109298364A (en) * | 2018-11-01 | 2019-02-01 | 北京东方计量测试研究所 | A kind of improved static electric field instrument calibration system and method |
| CN109298363A (en) * | 2018-11-01 | 2019-02-01 | 北京东方计量测试研究所 | A kind of Three-dimensional static electric field instrument calibrating installation |
| US20190346498A1 (en) * | 2018-05-14 | 2019-11-14 | Ets Lindgren Inc. | Field probe isotropic compensation using orthogonal scalar field components |
| CN110749753A (en) * | 2019-10-25 | 2020-02-04 | 国网四川省电力公司电力科学研究院 | Polar plate processing technology for integral calibration of power frequency electric field measuring instrument |
| CN111679229A (en) * | 2020-04-24 | 2020-09-18 | 中国电力科学研究院有限公司 | Method and system for three-dimensional calibration of three-dimensional electric field measuring device |
-
2021
- 2021-06-17 CN CN202110671744.6A patent/CN113552520B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203275630U (en) * | 2013-04-16 | 2013-11-06 | 宿奉祥 | Power frequency electric field probe calibration tester |
| US20160238646A1 (en) * | 2015-02-17 | 2016-08-18 | Commissariat â l'Energie Atomique et aux Energies | Device for measuring an electric field in a conducting medium and method of calibrating such a device |
| CN107290702A (en) * | 2017-07-26 | 2017-10-24 | 中国电力科学研究院 | A kind of three-dimensional AC electric field sensor calibrating installation and method |
| CN107884631A (en) * | 2017-10-23 | 2018-04-06 | 中国电力科学研究院有限公司 | A kind of method and system for measuring power-frequency electric field strength |
| CN108020802A (en) * | 2017-11-17 | 2018-05-11 | 北京无线电计量测试研究所 | A kind of electric field probe calibration method and device |
| CN107957567A (en) * | 2017-11-21 | 2018-04-24 | 国网四川省电力公司电力科学研究院 | A kind of calibration system and calibration method for power frequency electric field test system |
| US20190346498A1 (en) * | 2018-05-14 | 2019-11-14 | Ets Lindgren Inc. | Field probe isotropic compensation using orthogonal scalar field components |
| CN109298364A (en) * | 2018-11-01 | 2019-02-01 | 北京东方计量测试研究所 | A kind of improved static electric field instrument calibration system and method |
| CN109298363A (en) * | 2018-11-01 | 2019-02-01 | 北京东方计量测试研究所 | A kind of Three-dimensional static electric field instrument calibrating installation |
| CN110749753A (en) * | 2019-10-25 | 2020-02-04 | 国网四川省电力公司电力科学研究院 | Polar plate processing technology for integral calibration of power frequency electric field measuring instrument |
| CN111679229A (en) * | 2020-04-24 | 2020-09-18 | 中国电力科学研究院有限公司 | Method and system for three-dimensional calibration of three-dimensional electric field measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 王延召 等: "金属盖板对高压直流合成场测量的影响", 高电压技术, vol. 45, no. 2, pages 651 - 657 * |
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