CN109614676A - A kind of evaluation the air gap discharge voltage influence factor method - Google Patents
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Abstract
The present invention provides a kind of evaluation the air gap discharge voltage influence factor method.A kind of evaluation the air gap discharge voltage influence factor method, wherein the following steps are included: S1. obtains atmospheric conditions parameter and the corresponding the air gap discharge voltage sequence of atmospheric conditions parameter.Wherein, atmospheric conditions parameter includes air pressure, temperature, wind speed, relative humidity and illumination；S2. for air pressure sequence, temperature sequence, wind series, relative humidity sequence and illumination sequence, the related coefficient of itself and corresponding the air gap discharge voltage sequence is calculated separately；S3. according to the size of related coefficient, each atmospheric parameter is evaluated to the influence degree of the air gap discharge voltage.Method of the invention, to the influence degree of the air gap discharge voltage, provides reference using related coefficient quantization atmospheric conditions parameter for the external insulation design of electrical equipment, is those skilled in the art's technical issues that need to address.
Description
Technical field
The present invention relates to electrical equipment online monitoring technical fields, discharge more particularly, to a kind of evaluation the air gap
Voltage influence factor scheme.
Background technique
The flash-over characteristic of the air gap is the important evidence of high voltage power transmission and transforming external insulation design.It is theoretical it is found that empty by electric discharge
Gas gap discharge voltage is influenced by atmospheric conditions (air pressure, temperature, humidity etc.).
Influence for atmospheric conditions parameter to discharge voltage has carried out a large amount of experimental study both at home and abroad, but has studied master
The relation curve between single atmospheric parameter and discharge voltage is concentrated on, it is big to each Atmopheric Parameters on Discharge Voltages influence degree
Shortage is also compared in small research.
Summary of the invention
The present invention is to overcome defect at least one of in the prior art, provides a kind of evaluation the air gap discharge voltage influence
Factor scheme.The influence journey of method of the invention using related coefficient quantization atmospheric conditions parameter to the air gap discharge voltage
Degree, provides reference for the external insulation design of electrical equipment, is those skilled in the art's technical issues that need to address.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of evaluation the air gap discharge voltage shadow
Ring factor scheme, wherein the following steps are included:
S1. atmospheric conditions parameter and the corresponding the air gap discharge voltage sequence of atmospheric conditions parameter are obtained.Wherein, greatly
Gas conditional parameter includes air pressure, temperature, wind speed, relative humidity and illumination；
S2. for air pressure sequence, temperature sequence, wind series, relative humidity sequence and illumination sequence, calculate separately itself and
The related coefficient of corresponding the air gap discharge voltage sequence；
S3. according to the size of related coefficient, each atmospheric parameter is evaluated to the influence degree of the air gap discharge voltage.
Further, in the step S1, note air pressure sequence is A=(a1,a2,a3,.......aN)；Temperature sequence is B
=(b1,b2,b3,.......bN)；Wind series are C=(c1,c2,c3,.......cN)；Relative humidity sequence is D=(d1,
d2,d3,.......dN)；Illumination sequence is E=(e1,e2,e3,.......eN), the corresponding the air gap of atmospheric conditions parameter is put
Piezoelectric voltage sequence is V=(v1,v2,v3,.......vN), wherein N is sequence length.
Further, in the step S2, for air pressure sequence, temperature sequence, wind series, relative humidity sequence and photograph
Degree series, the step of calculating separately related coefficient of itself and corresponding the air gap discharge voltage sequence, are as follows:
It S21. is A=(a for air pressure sequence1,a2,a3,.......aN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient AV calculation formula are as follows:
It S22. is B=(b for air pressure sequence1,b2,b3,.......bN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient BV calculation formula are as follows:
It S23. is C=(c for air pressure sequence1,c2,c3,.......cN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient CV calculation formula are as follows:
It S24. is D=(d for air pressure sequence1,d2,d3,.......dN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient DV calculation formula are as follows:
It S25. is E=(e for air pressure sequence1,e2,e3,.......eN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient EV calculation formula are as follows:
Further, in the step S3, compare related coefficient AV, BV, CV, DV, EV size, related coefficient is bigger, table
The bright atmospheric parameter is bigger to the influence degree of the air gap discharge voltage.
Compared with prior art, beneficial effects of the present invention:
Influence of the method provided by the invention using related coefficient quantization atmospheric conditions parameter to the air gap discharge voltage
Degree provides reference for the external insulation design of electrical equipment, is those skilled in the art's technical issues that need to address.
Detailed description of the invention
Fig. 1 is overall flow schematic diagram of the invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1, a kind of evaluation the air gap discharge voltage influence factor method, wherein the following steps are included:
S1. atmospheric conditions parameter and the corresponding the air gap discharge voltage sequence of atmospheric conditions parameter are obtained.Wherein, greatly
Gas conditional parameter includes air pressure, temperature, wind speed, relative humidity and illumination；Note air pressure sequence is A=(a1,a2,a3,
.......aN)；Temperature sequence is B=(b1,b2,b3,.......bN)；Wind series are C=(c1,c2,c3,.......cN)；
Relative humidity sequence is D=(d1,d2,d3,.......dN)；Illumination sequence is E=(e1,e2,e3,.......eN), atmospheric conditions
The corresponding the air gap discharge voltage sequence of parameter is V=(v1,v2,v3,.......vN), wherein N is sequence length.
S2. for air pressure sequence, temperature sequence, wind series, relative humidity sequence and illumination sequence, calculate separately itself and
The related coefficient of corresponding the air gap discharge voltage sequence；Specific step is as follows:
It S21. is A=(a for air pressure sequence1,a2,a3,.......aN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient AV calculation formula are as follows:
It S22. is B=(b for air pressure sequence1,b2,b3,.......bN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient BV calculation formula are as follows:
It S23. is C=(c for air pressure sequence1,c2,c3,.......cN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient CV calculation formula are as follows:
It S24. is D=(d for air pressure sequence1,d2,d3,.......dN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient DV calculation formula are as follows:
It S25. is E=(e for air pressure sequence1,e2,e3,.......eN), and the air gap discharge voltage sequence V=
(v1,v2,v3,.......vN) related coefficient EV calculation formula are as follows:
S3. according to the size of related coefficient, each atmospheric parameter is evaluated to the influence degree of the air gap discharge voltage.Specifically
, compare related coefficient AV, BV, CV, DV, EV size, related coefficient is bigger, and it is electric to show that the atmospheric parameter discharges to the air gap
The influence degree of pressure is bigger.
Obviously, the above embodiment of the present invention is just for the sake of clearly demonstrating examples made by the present invention, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in right of the present invention and want
Within the protection scope asked.
Claims (4)
1. a kind of evaluation the air gap discharge voltage influence factor method, which comprises the following steps:
S1. atmospheric conditions parameter and the corresponding the air gap discharge voltage sequence of atmospheric conditions parameter are obtained.Wherein, big gas bar
Part parameter includes air pressure, temperature, wind speed, relative humidity and illumination；
S2. it for air pressure sequence, temperature sequence, wind series, relative humidity sequence and illumination sequence, calculates separately it and corresponds to
The air gap discharge voltage sequence related coefficient；
S3. according to the size of related coefficient, each atmospheric parameter is evaluated to the influence degree of the air gap discharge voltage.
2. a kind of evaluation the air gap discharge voltage influence factor method according to claim 1, which is characterized in that described
In step S1, note air pressure sequence is A=(a1,a2,a3,.......aN)；Temperature sequence is B=(b1,b2,b3,.......bN)；
Wind series are C=(c1,c2,c3,.......cN)；Relative humidity sequence is D=(d1,d2,d3,.......dN)；Illumination sequence
For E=(e1,e2,e3,.......eN), the corresponding the air gap discharge voltage sequence of atmospheric conditions parameter is V=(v1,v2,
v3,.......vN), wherein N is sequence length.
3. a kind of evaluation the air gap discharge voltage influence factor method according to claim 2, which is characterized in that described
In step S2, for air pressure sequence, temperature sequence, wind series, relative humidity sequence and illumination sequence, calculate separately itself and it is right
The step of related coefficient for the air gap discharge voltage sequence answered, is as follows:
It S21. is A=(a for air pressure sequence1,a2,a3,.......aN), and the air gap discharge voltage sequence V=(v1,
v2,v3,.......vN) related coefficient AV calculation formula are as follows:
It S22. is B=(b for air pressure sequence1,b2,b3,.......bN), and the air gap discharge voltage sequence V=(v1,
v2,v3,.......vN) related coefficient BV calculation formula are as follows:
It S23. is C=(c for air pressure sequence1,c2,c3,.......cN), and the air gap discharge voltage sequence V=(v1,
v2,v3,.......vN) related coefficient CV calculation formula are as follows:
It S24. is D=(d for air pressure sequence1,d2,d3,.......dN), and the air gap discharge voltage sequence V=(v1,
v2,v3,.......vN) related coefficient DV calculation formula are as follows:
It S25. is E=(e for air pressure sequence1,e2,e3,.......eN), and the air gap discharge voltage sequence V=(v1,
v2,v3,.......vN) related coefficient EV calculation formula are as follows:
4. a kind of evaluation the air gap discharge voltage influence factor method according to claim 2, which is characterized in that described
In step S3, compare related coefficient AV, BV, CV, DV, EV size, related coefficient is bigger, shows the atmospheric parameter to the air gap
The influence degree of discharge voltage is bigger.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116304778A (en) * | 2023-05-17 | 2023-06-23 | 温州华嘉电器有限公司 | Maintenance data processing method for miniature circuit breaker |
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|---|---|---|---|---|
| CN103592579A (en) * | 2013-07-30 | 2014-02-19 | 中国电力科学研究院 | Impulse discharge voltage calculating model construction method |
| CN107045596A (en) * | 2017-05-09 | 2017-08-15 | 广东电网有限责任公司珠海供电局 | The method and device that analysis atmospheric conditions parameter influences on the air gap discharge voltage |
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- 2018-11-29 CN CN201811446166.0A patent/CN109614676A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592579A (en) * | 2013-07-30 | 2014-02-19 | 中国电力科学研究院 | Impulse discharge voltage calculating model construction method |
| CN107045596A (en) * | 2017-05-09 | 2017-08-15 | 广东电网有限责任公司珠海供电局 | The method and device that analysis atmospheric conditions parameter influences on the air gap discharge voltage |
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| CN116304778A (en) * | 2023-05-17 | 2023-06-23 | 温州华嘉电器有限公司 | Maintenance data processing method for miniature circuit breaker |
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Application publication date: 20190412 |