CN102621513A - Calibration standard device for portable dielectric loss testers - Google Patents
Calibration standard device for portable dielectric loss testers Download PDFInfo
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- CN102621513A CN102621513A CN2012101029667A CN201210102966A CN102621513A CN 102621513 A CN102621513 A CN 102621513A CN 2012101029667 A CN2012101029667 A CN 2012101029667A CN 201210102966 A CN201210102966 A CN 201210102966A CN 102621513 A CN102621513 A CN 102621513A
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- calibration
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- standard device
- calibration standard
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Abstract
The invention relates to a calibration standard device for portable dielectric loss testers, which is a facility applied to the calibration operation of high-voltage electrical-facility testing instruments. The calibration standard device is mainly used for carrying out filed calibration on doubtful testing facilities. The calibration standard device is structurally characterized in that: a standard capacitor and standard resistors are arranged in a cabinet body, the standard capacitor is respectively connected in series with at least a standard resistor, and the standard capacitor and the standard resistors respectively lead out a terminal; and a capacitor C and a reactor X are arranged in the cabinet body, and the capacitor C and the reactor X are connected in series and then respectively lead out a terminal. The calibration standard device disclosed by the invention is accurate in reference value measurement, flexible in application method, good in insulativity, and long in service life; through always taking portability, light weight and field practicability as starting points, the calibration standard device adopts a RC (resistor-capacitor) series test product design, so that the complex calibration is simplified, and the field in-situ calibration problem is solved, thereby improving the work efficiency; and meanwhile, the calibration standard device is small in volume, light in mass, good in environmental adaptability, convenient to use, safe and reliable.
Description
Technical field
The present invention relates to a kind of calibration equipment, relate in particular to a kind of portable Jie and decrease tester verification standard set-up, be used to be situated between and decrease the daily verification work of tester, belong to the Electric Application field.
Background technology
The damage that is situated between test is the routine test project of capacitive apparatus, and the damage that is situated between tester working environment complicacy is harsh.Measure for realizing being situated between decreasing accurately, verification in time is situated between and decreases tester.
Present stage, the damage that is situated between tester applying unit takes with instrument send verification unit verification every year usually.Obviously, annual verification is difficult to deal with the judgement of emergency case.During work, the problem of equipment precision can occur suspecting, influence is to on-the-spot test result's judgement.
Summary of the invention
The present invention is directed to the problem that exists in the above-mentioned prior art, provide a kind of portable Jie to decrease tester verification standard set-up, solved prior art intermediary and decreased the inconvenient problem of tester verification, and guaranteed the precision and the accuracy of tester.
Technical scheme of the present invention is following:
The inside of casing is provided with standard capacitance and measuring resistance, and standard capacitance is connected with at least one measuring resistance respectively, and standard capacitance and measuring resistance be leading-out terminal respectively; Be provided with capacitor C and reactance X in the casing, capacitor C and reactance X series connection back be leading-out terminal respectively.
Described casing is the full-shield casing.
Described leading-out terminal adopts pure magnetic insulator.
Advantageous effect of the present invention is following:
1, environmental suitability is strong, owing to adopted the full-shield casing, under any circumstance can use.
2, the witness mark value is accurate, owing to use standard capacitance and measuring resistance as assembly, thus reliable certified value is provided.
3, method of application is flexible, owing to adopted the adjustable design of RC circuit, is provided with a plurality of witness mark amounts, can supply to contrast verification.
,The good long service life that insulate because leading-out terminal adopts pure magnetic pony insulator, guarantees the reliability of insulation.Reduced the danger that the insulation cracking reduces serviceable life.
5, in the standard container design; All the time be starting point with portable, lightweight, on-the-spot practicality, adopt the design of RC series connection test product, not only complicated verification has been become simplification; Also solved the on-the-spot problem of verification on the spot; Increase work efficiency, simultaneously, volume is little, light weight, good environmental adaptability, esy to use, safe and reliable.
Description of drawings
Fig. 1 is a principle of the invention wiring schematic diagram.
Fig. 2 wiring schematic diagram during for verification of the present invention.
Among the figure, C
1, standard capacitance, R
1-R
4, measuring resistance, C, electric capacity, X, reactance, 1, be situated between to decrease tester.
Embodiment
Following with reference to accompanying drawing, in conjunction with specific embodiments, the present invention is elaborated.
Embodiment
As shown in Figure 1, the inside of full-shield casing is provided with standard capacitance C
1With measuring resistance R
1, measuring resistance R
2, measuring resistance R
3And measuring resistance R
4, standard capacitance C
1Respectively with measuring resistance R
1, measuring resistance R
2, measuring resistance R
3And measuring resistance R
4Series connection, standard capacitance C
1With measuring resistance R
1, measuring resistance R
2, measuring resistance R
3And measuring resistance R
4The difference leading-out terminal; Be provided with capacitor C and reactance X in the casing, capacitor C and reactance X series connection back be leading-out terminal respectively.Described leading-out terminal adopts pure magnetic insulator.
As shown in Figure 2 during use, this device leading-out terminal is connected with test product, select the 50Hz frequency mode, use pairing comparision characterization test equipment.
The present invention adopts light material and high-level electric elements, has taken into account the Enclosure Strength and the weight of standard container, has farthest annotated portable notion.
Show 1:20 ℃ of capacitance-resistance Jie and decrease standard value
| The position | C1 goes here and there R1 | C1 goes here and there R2 | C1 goes here and there R3 | C1 goes here and there R4 | C |
| Jie's damage value | 0.47﹪ | 1.57﹪ | 2.99﹪ | 3.89﹪ | 0 |
| Electric capacity | 1114PF | 1114PF | 1114PF | 1114PF | 14303PF |
Claims (3)
1. portable Jie decreases tester verification standard set-up, it is characterized in that the inside of casing is provided with standard capacitance and measuring resistance, and standard capacitance is connected with at least one measuring resistance respectively, and standard capacitance and measuring resistance be leading-out terminal respectively; Be provided with capacitor C and reactance X in the casing, capacitor C and reactance X series connection back be leading-out terminal respectively.
2. portable Jie according to claim 1 decreases tester verification standard set-up, it is characterized in that described casing is the full-shield casing.
3. portable Jie according to claim 1 decreases tester verification standard set-up, it is characterized in that described leading-out terminal adopts pure magnetic insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101029667A CN102621513A (en) | 2012-04-10 | 2012-04-10 | Calibration standard device for portable dielectric loss testers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101029667A CN102621513A (en) | 2012-04-10 | 2012-04-10 | Calibration standard device for portable dielectric loss testers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102621513A true CN102621513A (en) | 2012-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101029667A Pending CN102621513A (en) | 2012-04-10 | 2012-04-10 | Calibration standard device for portable dielectric loss testers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102621513A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167754A (en) * | 2017-06-19 | 2017-09-15 | 国网辽宁省电力有限公司抚顺供电公司 | Portable medium angle of loss criteria check device |
| CN107621573A (en) * | 2017-08-11 | 2018-01-23 | 广西电网有限责任公司电力科学研究院 | A kind of dielectric dissipation factor standard of high stability |
| CN107643502A (en) * | 2017-09-26 | 2018-01-30 | 广西电网有限责任公司电力科学研究院 | A kind of high-voltage electrical apparatus detecting instrument check device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2029965C1 (en) * | 1990-05-21 | 1995-02-27 | Галактионов Владимир Викторович | Capacitive sensor dielectric loss measuring device |
| JP2004177310A (en) * | 2002-11-28 | 2004-06-24 | Yokogawa Electric Corp | Dielectric loss tangent-measuring device and non-contact voltage measuring device using the same |
| CN1877355A (en) * | 2005-10-14 | 2006-12-13 | 安徽省电力科学研究院 | Insulated on-line monitoring system checker of high-voltage electric equipment |
| CN101285860A (en) * | 2008-06-06 | 2008-10-15 | 西安四方机电有限责任公司 | Device for testing high voltage large-capacity electrical apparatus dielectric loss tangent value |
| CN201181327Y (en) * | 2008-04-30 | 2009-01-14 | 江苏省电力试验研究院有限公司 | High voltage standard dielectric loss device |
| CN202548312U (en) * | 2012-04-10 | 2012-11-21 | 辽宁省电力有限公司抚顺供电公司 | Portable calibration standard device of dielectric loss tester |
-
2012
- 2012-04-10 CN CN2012101029667A patent/CN102621513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2029965C1 (en) * | 1990-05-21 | 1995-02-27 | Галактионов Владимир Викторович | Capacitive sensor dielectric loss measuring device |
| JP2004177310A (en) * | 2002-11-28 | 2004-06-24 | Yokogawa Electric Corp | Dielectric loss tangent-measuring device and non-contact voltage measuring device using the same |
| CN1877355A (en) * | 2005-10-14 | 2006-12-13 | 安徽省电力科学研究院 | Insulated on-line monitoring system checker of high-voltage electric equipment |
| CN201181327Y (en) * | 2008-04-30 | 2009-01-14 | 江苏省电力试验研究院有限公司 | High voltage standard dielectric loss device |
| CN101285860A (en) * | 2008-06-06 | 2008-10-15 | 西安四方机电有限责任公司 | Device for testing high voltage large-capacity electrical apparatus dielectric loss tangent value |
| CN202548312U (en) * | 2012-04-10 | 2012-11-21 | 辽宁省电力有限公司抚顺供电公司 | Portable calibration standard device of dielectric loss tester |
Non-Patent Citations (1)
| Title |
|---|
| 马磊等: "一种全自动介质损耗标准器的研发", 《电测与仪表》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167754A (en) * | 2017-06-19 | 2017-09-15 | 国网辽宁省电力有限公司抚顺供电公司 | Portable medium angle of loss criteria check device |
| CN107621573A (en) * | 2017-08-11 | 2018-01-23 | 广西电网有限责任公司电力科学研究院 | A kind of dielectric dissipation factor standard of high stability |
| CN107643502A (en) * | 2017-09-26 | 2018-01-30 | 广西电网有限责任公司电力科学研究院 | A kind of high-voltage electrical apparatus detecting instrument check device |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20120926 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120926 Address after: 113008 West Xinfu Road, Liaoning, Fushun, No. 13 Applicant after: Fushun Power Supply Company of Liaoning Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: 113008 West Xinfu Road, Liaoning, Fushun, No. 13 Applicant before: Fushun Power Supply Company of Liaoning Electric Power Co., Ltd. |
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20120801 |