CN201917636U - Voltage resistance testing device for rectifier transformer - Google Patents
Voltage resistance testing device for rectifier transformer Download PDFInfo
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- CN201917636U CN201917636U CN2011200044340U CN201120004434U CN201917636U CN 201917636 U CN201917636 U CN 201917636U CN 2011200044340 U CN2011200044340 U CN 2011200044340U CN 201120004434 U CN201120004434 U CN 201120004434U CN 201917636 U CN201917636 U CN 201917636U
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- rectifier transformer
- voltage
- automatic coupling
- testing device
- voltage regulator
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Abstract
The utility model discloses a voltage resistance testing device for a rectifier transformer. The voltage resistance testing device comprises an inverter and an automatic coupling voltage regulator, wherein the input end of the inverter is connected with a three-phase power supply, and the output end of the inverter is connected with the input end of the automatic coupling voltage regulator; a three-phase power supply with the power of 50 Hz is converted a single-phase frequency with the power of 100 Hz from the input end of the inverter to the output end; the output end of the automatic coupling voltage regulator is connected with a low voltage winding of the rectifier transformer to be tested; the rectification silicon stack output end of the rectifier transformer to be tested can be connected with a voltmeter, so that the output voltage of a rectification silicon stack is convenient to observe; and the automatic coupling voltage regulator is preferably an electric automatic coupling voltage regulator, so that testing voltage is convenient to operate. By the voltage resistance testing device, the voltage resistance of the low voltage winding, a high voltage winding and the rectification silicon stack of the rectifier transformer can be tested simultaneously, and the voltage resistance testing device is easy to operate.
Description
Technical field
The utility model relates to the transformer testing device, especially a kind of proving installation that rectifier transformer is carried out withstand voltage test.
Background technology
Tradition rectifier transformer pressure resistant testing device is as described in the accompanying drawing 1, the output terminal of test transformer 2 is connected with the high pressure winding of tested rectifier transformer 1, the output terminal of test transformer 2 also connects a voltage table 3, the magnitude of voltage that the normal working voltage of high pressure winding by the tested rectifier transformer 1 of test transformer 2 output is 1.5 times also keeps certain hour that rectifier transformer 1 is carried out withstand voltage test, the output voltage values that voltage table 3 can observation test transformer 2; From this as can be seen proving installation of above test circuit, it is more loaded down with trivial details to test the low pressure winding of rectifier transformer 1 and rectification silicon stack and testing procedure, need disconnect the high pressure winding of rectification silicon stack and rectifier transformer 1, allow the rectification silicon stack two-terminal-grounding, the low pressure winding two ends that will make rectifier transformer 1 simultaneously are ground connection also.
The utility model content
The technical problems to be solved in the utility model provides the rectifier transformer pressure resistant testing device, and it can test the withstand voltage properties of low pressure winding, high pressure winding and the rectification silicon stack of rectifier transformer simultaneously, and simple to operate.
For achieving the above object, the technical solution of the utility model is: a kind of rectifier transformer pressure resistant testing device, comprise inverter, automatic coupling voltage regulator, the inverter input end is connected with three-phase supply, inverter output end is connected with the automatic coupling voltage regulator input end, be transformed into single-phase, frequency from the inverter input end to output end power from three-phase and be transformed into 100Hz by 50Hz, the automatic coupling voltage regulator output terminal is connected with the low pressure winding of tested rectifier transformer.
Also can connect a voltage table at described tested rectifier transformer rectification silicon stack output terminal, the convenient rectification silicon stack output voltage of observing.
Above-mentioned rectifier transformer pressure resistant testing device, optional electronic automatic coupling voltage regulator, the handled easily used of described automatic coupling voltage regulator.
The utility model is owing to adopt proving installation to be connected with the low pressure winding of transformer; test voltage by automatic coupling voltage regulator output frequency multiplication is carried out withstand voltage test to rectifier transformer; therefore can test the withstand voltage properties of low pressure winding, high pressure winding and the rectification silicon stack of rectifier transformer simultaneously; again because automatic coupling voltage regulator output be the test voltage of frequency multiplication; the low pressure winding of rectifier transformer, the impedance of high pressure winding are improved; reduce the measuring current of winding coil, help protecting rectifier transformer.
On the other hand, can realize the voltage-withstand test of low pressure winding, high pressure winding and rectification silicon stack to rectifier transformer as long as the rudimentary winding of rectifier transformer is connected with the automatic coupling voltage regulator output terminal, operation steps is simpler.
Description of drawings
Fig. 1 is the traditional test manipulated or operated apparatus;
Fig. 2 is the utility model circuit diagram.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment the utility model is described in further detail.
Shown in Figure 2,: a kind of rectifier transformer pressure resistant testing device, comprise inverter 4, automatic coupling voltage regulator 5, inverter 4 input ends are connected with three-phase supply, inverter 4 output terminals are connected with automatic coupling voltage regulator 5 input ends, be transformed into single-phase, frequency to output end power from three-phase from inverter 4 input ends and be transformed into 100Hz by 50Hz, automatic coupling voltage regulator 5 output terminals are connected with the low pressure winding of tested rectifier transformer 1.
Rectifier transformer 1 rectification silicon stack output terminal connects a voltage table 6, the convenient rectification silicon stack output voltage of observing.
Automatic coupling voltage regulator 5 is optional uses electronic automatic coupling voltage regulator, the convenient output voltage of regulating, and the voltage-regulation scope of automatic coupling voltage regulator 5 output terminals is generally selected 0-750V for use.
When the utility model uses, can make automatic coupling voltage regulator 5 output 100Hz, 1.5 times of value test voltages of electrical network ac rated voltage and kept 1 minute, abnormal noise and the breakdown phenomenon of winding coil do not appear as tested rectifier transformer 1, rectifier transformer 1 test passes simultaneously can be by the output voltage of voltage table 6 observation rectification silicon stacks.
Claims (3)
1. rectifier transformer pressure resistant testing device, comprise inverter, automatic coupling voltage regulator, it is characterized in that: the inverter input end is connected with three-phase supply, inverter output end is connected with the automatic coupling voltage regulator input end, be transformed into single-phase, frequency from the inverter input end to output end power from three-phase and be transformed into 100Hz by 50Hz, the automatic coupling voltage regulator output terminal is connected with the low pressure winding of tested rectifier transformer.
2. rectifier transformer pressure resistant testing device according to claim 1 is characterized in that: described tested rectifier transformer rectification silicon stack output terminal connects a voltage table.
3. rectifier transformer pressure resistant testing device according to claim 1 and 2 is characterized in that: described automatic coupling voltage regulator is electronic automatic coupling voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200044340U CN201917636U (en) | 2011-01-04 | 2011-01-04 | Voltage resistance testing device for rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200044340U CN201917636U (en) | 2011-01-04 | 2011-01-04 | Voltage resistance testing device for rectifier transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917636U true CN201917636U (en) | 2011-08-03 |
Family
ID=44417430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200044340U Expired - Fee Related CN201917636U (en) | 2011-01-04 | 2011-01-04 | Voltage resistance testing device for rectifier transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917636U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730429A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Method and system for detecting transformer |
| CN106461737A (en) * | 2014-03-27 | 2017-02-22 | 阿尔斯通技术有限公司 | Method of testing a transformer, electrical testing system, short-circuiting circuit and anodizing assembly |
| CN112731084A (en) * | 2020-12-28 | 2021-04-30 | 北京深思数盾科技股份有限公司 | Transformer testing device and testing method |
-
2011
- 2011-01-04 CN CN2011200044340U patent/CN201917636U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730429A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Method and system for detecting transformer |
| CN106461737A (en) * | 2014-03-27 | 2017-02-22 | 阿尔斯通技术有限公司 | Method of testing a transformer, electrical testing system, short-circuiting circuit and anodizing assembly |
| CN106461737B (en) * | 2014-03-27 | 2020-06-16 | 通用电气技术有限公司 | Transformer testing method, electrical testing system, short circuit and anode assembly |
| CN112731084A (en) * | 2020-12-28 | 2021-04-30 | 北京深思数盾科技股份有限公司 | Transformer testing device and testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20140104 |