CN101567632B - Compensated high-current generation device - Google Patents
Compensated high-current generation device Download PDFInfo
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- CN101567632B CN101567632B CN2009100252425A CN200910025242A CN101567632B CN 101567632 B CN101567632 B CN 101567632B CN 2009100252425 A CN2009100252425 A CN 2009100252425A CN 200910025242 A CN200910025242 A CN 200910025242A CN 101567632 B CN101567632 B CN 101567632B
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- voltage regulator
- automatic coupling
- transformer
- current
- coupling voltage
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Abstract
The invention discloses a compensated high-current generation device, which belongs to a test resource device of circuit breakers and protectors. The compensated high-current generation device comprises an automatic coupling voltage regulator and a compensated automatic coupling voltage regulator which are connected to a phase line L and a zero line N, the compensated automatic coupling voltage regulator is connected with a primary coil of a compensation transformer, the automatic coupling voltage regulator is connected with a secondary coil of the compensation transformer, the compensation transformer is connected with a multi-tap autotransformer, the multi-tap autotransformer is connected with a contactor, the contactor is connected with a current rising transformer, and the current rising transformer is connected with a tested object. The compensated high-current generation device has the advantages that the compensated high-current generation device improves adjustment resolution, ensures the high precision of the current output by a secondary coil of the current rising transformer, and has wide range of output current.
Description
Technical field
The present invention relates to a kind of compensated high-current generation device,, belong to the test source device of circuit breaker, protector especially for the compensated high-current generation device of circuit breaker, protector test usefulness.
Technical background
In the test of low voltage products such as circuit breaker, protector, high-current generation device commonly used produces adjustable big electric current, is used for various protective feature tests, requires Current Regulation wide ranges, precision height.Present high-current generation device, the patent No. of application was 200420114077.3 as on December 13rd, 2004, the patent No. that name is called " strong current generator " and application on 03 30th, 1992 is 92205768.0, name is called " portable adjustable great current generator ", all uncompensated governing loop is difficult to produce high-precision big electric current.In addition; in the test of low voltage products such as circuit breaker, protector; electronic mode commonly used realizes automatic adjusting, is difficult to carry out High Precision Automatic constant current control as uncompensated governing loop, and correctness, reliability that the protective feature of circuit breaker, protector is tested exert an influence.
Summary of the invention
The purpose of this invention is to provide a kind of compensated high-current generation device that can produce high accuracy, the big electric current of wide region.
The objective of the invention is to reach like this, compensated high-current generation device, it is characterized in that it comprises the automatic coupling voltage regulator TB1 that is connected on voltage phase line L and the zero line N, its moved end 01 is connected with an end of compensator transformer TB3 secondary coil, the other end of compensator transformer TB3 secondary coil is connected with the end of many taps autotransformer TB4, the other end of many taps autotransformer TB4 connects zero line N, the fixed end 02 that is connected the compensation automatic coupling voltage regulator TB2 on voltage phase line L and the zero line N is connected with primary coil one end of compensator transformer TB3, the other end of compensator transformer TB3 primary coil is connected with the moved end 03 of compensation automatic coupling voltage regulator TB2, the branch pressure side 04 of many taps autotransformer TB4,05,06 respectively with contactor KM1, KM2, KM3 one contact connects, contactor KM1, KM2, another contact of KM3 is connected to together and is connected with an end of rising current transformer TB5 primary coil, the other end of rising current transformer TB5 primary coil is connected with zero line N, the secondary coil a of rising current transformer TB5, the b end is connected with measured object.
Automatic coupling voltage regulator TB1 of the present invention is as coarse adjustment, and compensation automatic coupling voltage regulator TB2 and compensator transformer TB3 form fine tuning.
Compensated high-current generation device of the present invention, the fixed end 02 of compensation automatic coupling voltage regulator TB2 is the fixed taps that is positioned at its hub of a spool point, can slide in its whole winding scope in the moved end 03 of compensation automatic coupling voltage regulator TB2, the moved end 03 of compensation automatic coupling voltage regulator is connected with the primary coil of compensator transformer TB3, make that the output voltage and the positive-negative polarity of compensator transformer TB3 secondary coil are variable, the secondary coil output maximum voltage of compensator transformer TB3 is ± 10V, it only is 1/25 of automatic coupling voltage regulator TB1 coarse adjustment output voltage, again because the capacity of compensation automatic coupling voltage regulator TB2 is less, the number of turn is many, improve adjusting resolution, guaranteed the secondary coil a of rising current transformer TB5, the high accuracy of the electric current of b end output; Contactor KM1, KM2, KM3 are used for current range and switch, and make the wide ranges of output current.
Description of drawings
Accompanying drawing is the electrical schematic diagram of compensated high-current generation device.
Embodiment
Referring to accompanying drawing, compensated high-current generation device comprises automatic coupling voltage regulator TB1, compensation automatic coupling voltage regulator TB2, compensator transformer TB3, many taps autotransformer TB4, rising current transformer TB5, contactor KM1, KM2, the KM3 that is used for coarse adjustment.Single-phase 220V voltage inserts automatic coupling voltage regulator TB1 and compensation automatic coupling voltage regulator TB2, and the moved end of automatic coupling voltage regulator TB1 (output) 01 connects an end of the secondary coil of compensator transformer TB3, carries out the voltage coarse adjustment; Output 02,03 end of compensation automatic coupling voltage regulator TB2 is connected with the primary coil of compensator transformer TB3 respectively, makes the output voltage of compensator transformer TB3 finely tune in ± 10V scope; Output voltage U 2 additions of automatic coupling voltage regulator TB1 output voltage U 1 and compensator transformer TB3 form total control voltage and are applied on many taps autotransformer TB4, gear shift is carried out in the output of many taps autotransformer TB4 under the control of contactor KM1, KM2, KM3, can realize the output current scope selection; Rising current transformer TB5 is the output that is used to promote big electric current.In addition, by regulating output voltage and the positive-negative polarity that the moved end 03 that compensates automatic coupling voltage regulator TB2 can change compensator transformer TB3, provide the condition of realization for the automatic constant current control of motorized adjustment.Many taps autotransformer TB4 can enlarge the output current scope of secondary coil a, the b end of rising current transformer TB5 by the switching of contactor KM1, KM2, KM3.Rising current transformer TB5 secondary coil a, b end is connected with measured object.Measured object comprises electric equipments such as circuit breaker, protector.
In addition, as automatic coupling voltage regulator TB1 and compensation automatic coupling voltage regulator TB2 product electrodynamic type automatic coupling voltage regulator, can realize automatic constant current control easily by computer.
Claims (2)
1. compensated high-current generation device, it is characterized in that it comprises the automatic coupling voltage regulator TB1 that is connected on voltage phase line L and the zero line N, its moved end 01 is connected with an end of compensator transformer TB3 secondary coil, the other end of compensator transformer TB3 secondary coil is connected with the end of many taps autotransformer TB4, the other end of many taps autotransformer TB4 connects zero line N, the fixed end 02 that is connected the compensation automatic coupling voltage regulator TB2 on voltage phase line L and the zero line N is connected with primary coil one end of compensator transformer TB3, the other end of compensator transformer TB3 primary coil is connected with the moved end 03 of compensation automatic coupling voltage regulator TB2, the branch pressure side 04 of many taps autotransformer TB4,05,06 respectively with contactor KM1, KM2, KM3 one contact connects, contactor KM1, KM2, another contact of KM3 is connected to together and is connected with an end of rising current transformer TB5 primary coil, the other end of rising current transformer TB5 primary coil is connected with zero line N, the secondary coil a of rising current transformer TB5, the b end is connected with measured object.
2. compensated high-current generation device according to claim 1 is characterized in that described automatic coupling voltage regulator TB1 as coarse adjustment, and compensation automatic coupling voltage regulator TB2 and compensator transformer TB3 form fine tuning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100252425A CN101567632B (en) | 2009-02-26 | 2009-02-26 | Compensated high-current generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100252425A CN101567632B (en) | 2009-02-26 | 2009-02-26 | Compensated high-current generation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101567632A CN101567632A (en) | 2009-10-28 |
| CN101567632B true CN101567632B (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100252425A Expired - Fee Related CN101567632B (en) | 2009-02-26 | 2009-02-26 | Compensated high-current generation device |
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| CN (1) | CN101567632B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495249B (en) * | 2011-12-06 | 2013-11-13 | 中建三局第三建设工程有限责任公司 | Small current generator |
| CN104090615A (en) * | 2014-07-04 | 2014-10-08 | 天津市百利电气有限公司 | High-precision voltage stabilizing circuit and voltage stabilizing method |
| CN106329945A (en) * | 2016-08-08 | 2017-01-11 | 王振铎 | Step-type precision voltage regulator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802836Y (en) * | 2004-12-13 | 2006-08-02 | 宝钢集团上海梅山有限公司 | Heavy-current generator |
| CN201365193Y (en) * | 2009-02-26 | 2009-12-16 | 常熟理工学院 | Compensation type high-current generation device |
-
2009
- 2009-02-26 CN CN2009100252425A patent/CN101567632B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802836Y (en) * | 2004-12-13 | 2006-08-02 | 宝钢集团上海梅山有限公司 | Heavy-current generator |
| CN201365193Y (en) * | 2009-02-26 | 2009-12-16 | 常熟理工学院 | Compensation type high-current generation device |
Non-Patent Citations (1)
| Title |
|---|
| 顾启民等.万能式断路器电参量测量功能校验系统设计.《低压电器》.2008,(第15期),12-15，18. * |
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| CN101567632A (en) | 2009-10-28 |
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Effective date of registration: 20170303 Address after: 214205 Jiangsu Province, Yixing city environmental protection science and Technology Industrial Park Jun Zhilu No. 1 Patentee after: Jiangsu Trigiant Technology Co., Ltd. Address before: 215500 Jiangsu, Changshou City, South Ring Road, No. three, No. 99 Patentee before: Changshu Science and Engineering College |
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Granted publication date: 20101013 Termination date: 20160226 |