CN205539314U - Portable distribution transformer side winding tester - Google Patents
Portable distribution transformer side winding tester Download PDFInfo
- Publication number
- CN205539314U CN205539314U CN201620276204.2U CN201620276204U CN205539314U CN 205539314 U CN205539314 U CN 205539314U CN 201620276204 U CN201620276204 U CN 201620276204U CN 205539314 U CN205539314 U CN 205539314U
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- instrument shell
- arranges
- winding
- transformer
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Abstract
The utility model discloses a portable distribution transformer side winding tester sets up battery and dc -to -ac converter owing to having adopted in instrument shell body, the outer upper end set voltage meter of instrument shell body, and the tip sets up the connecting clamp before the external test flexible -cable line, and its characteristics are: need measure when inspection as transformer winding, can with the connecting clamp of tip before the external test flexible -cable line can lug connection with the external pile head of transformer high voltage winding on, switch on after the dc -to -ac converter makes its work when the power of battery, it is next that the voltameter of the outer upper end of instrument shell body can realize directly demonstrating transformer winding's vary voltage ratio ( designated value ). Use the utility model discloses, have completely and to realize: one, convenient to carry, measurement inspection are swiftly. Two, it once only can confirm completely to have the measurement of realizing to inspect especially.
Description
Technical field
This utility model relates to distribution transformer, is directly related to portable power distribution transformer side winding tester, adapts to check distribution transformer high pressure winding whether to damage especially and is used.
Background technology
Transformator is after handing-over, overhaul and change shunting switch, and winding D.C. resistance test is requisite pilot project.Under normal conditions, it is by traditional method (bridge method and pressure decline method), the Transformer Winding after handing-over, overhaul and change shunting switch to be measured and checks.Electric bridge method and the pressure decline method measuring transformer winding working range is made to be: one) test of voltage transformer winding D.C. resistance.Two) induction equipment winding D.C. resistance test.Three) measure single-phase transformer no-load voltage ratio, measure three-phase power transformer no-load voltage ratio.By the no-load voltage ratio of tradition no-load voltage ratio bridge measurement transformator, operating process is loaded down with trivial details, and only limit is carried out in particular job indoor with professional institution professional.When in the wild and the distribution transformer of unit break down after need to check into measurement time, transformator entrucking certainly will be transported back operating room of professional institution and could implement measurement and check.Megameter is used to measure inspection at the scene with rough way besides, use megameter with the insulating resistance value between measuring transformer primary and secondary (iron core) insulating resistance value over the ground and primary and secondary, if insulating resistance value less than 1 megaohm/KV, is treated as insulating defective.Megameter can not differentiate turn-to-turn short circuit, even if so insulating qualified can not affirm that transformator is the most out of question.Also have and use circuit tester to measure inspection at the scene, using circuit tester is to confirm that winding inter-turn is the most short-circuit and opens a way with measuring transformer winding D.C. resistance, if DC resistance reaches normal value, work is treated as normal, if DC resistance does not reaches normal value (having exception), work is just considered abnormal.In sum transformator entrucking is transported back the enforcement measurement of operating room of professional institution and inspection has time-consuming and laborious.Especially with megameter with rough way measure at the scene inspection, use circuit tester at the scene measure inspection be all to have ambiguous confirmation and can not be confirmed completely.
Summary of the invention
The purpose of this utility model seeks to provide a kind of portable power distribution transformer side winding tester, and it can be efficiently against: transformator entrucking is transported back operating room of professional institution and implements to measure and inspection has time-consuming and laborious.Especially with megameter with rough way measure at the scene inspection, use circuit tester at the scene measure inspection be all to have ambiguous confirmation and the technical barrier that can not be confirmed completely.
The purpose of this utility model is achieved in that portable power distribution transformer side winding tester, there is Instrument shell and external test flexible-cable line, the outer top of described Instrument shell is arranged can roll over handle, lower bottom part arranges steady foot, the outer upper end of Instrument shell arranges voltameter, top one side arranges control switch, another side of top arranges back brake transducer, back brake transducer is provided below external power supply plug socket, arranging accumulator and inverter in Instrument shell, under Instrument shell side, angle arranges external test flexible-cable line.
This utility model arranges accumulator and inverter owing to have employed in Instrument shell, the outer upper end of Instrument shell arranges voltameter, external test flexible-cable line leading section arranges connection folder, it is characterized in: when Transformer Winding needs to measure inspection, the connection of external test flexible-cable line leading section can be pressed from both sides and can be directly connected on pile crown external with transformer high-voltage winding, after the power supply conduction inverter of accumulator makes its work, the voltameter of the outer upper end of Instrument shell can realize directly illustrating that the transformation ratio (particular value) of Transformer Winding comes.
External power supply plug socket is provided below at back brake transducer due also to have employed, being characterized in: be available for the civil power of hafnium or time hydro power generation uses when scene has, external power supply plug socket can realize directly being had at scene and be available for the civil power of hafnium or hydro power generation power supply can be accessed by external power supply plug socket.
Use this utility model, have can realize completely: one, easy to carry, measurement is checked quick.Two, have especially can realize measure inspection disposably can confirm that completely.
Accompanying drawing explanation
Accompanying drawing 1 is structural plan of the present utility model, and the utility model is described in further detail below in conjunction with the accompanying drawings.
Detailed description of the invention
Accompanying drawing shows structure of the present utility model, the outer top of Instrument shell 1 is arranged can roll over handle 2, lower bottom part arranges steady foot 3, the outer upper end of Instrument shell 1 arranges voltameter 4, top one side arranges control switch 5, and another side of top arranges back brake transducer 6, and back brake transducer 6 is provided below external power supply plug socket 7, arranging accumulator 8 and inverter 9 in Instrument shell 1, under Instrument shell 1 side, angle arranges external test flexible-cable line 10.
Assembly and connection process of the present utility model is: first external test flexible-cable line (three cores) 10 inner termination (sign) is connected and controls switch 5 control end in Instrument shell 1, control switch 5 power end wire (sign) connection inverter 9, inverter 9 wire (sign) connects accumulator 8, back brake transducer 6 power end wire (sign) connection external power supply plug socket 7, another control end wire of back brake transducer 6 connects inverter 9 again through reducing transformer (sign), three cores flexible-cable line 11 follower head (sign) connect the binding post (sign) with voltameter 4, another binding post (sign) of voltameter 4 can complete whole assembly and connection after implementing Y-connection.
Operating procedure of the present utility model is: one, first the connection of external test flexible-cable line 10 leading section is pressed from both sides yellow A, green B, red C clip on pile crown external with transformer high-voltage winding (sign), and three core flexible-cable line 11 front ends 12 connect upper (to be opened) with the external pile crown of transformer low voltage winding (sign).
Step 2, when using storage battery power supply, can open control switch 5, now, accumulator inverter power supply passes through inverter 9, connect with the external test flexible-cable line 10 controlled on switch 5 will power supply incoming in transformer high-voltage winding.
When step 3, use civil power or hydro power generation are powered, civil power or hydro power generation power supply can be able to be directly accessed to external power supply plug socket, operation back brake transducer 6, civil power or hydro power generation power supply can use civil power or hydro power generation power supply to power after reducing transformer (sign).
Use process of the present utility model is: when the external test flexible-cable line 10 connected and control on switch 5 is incoming to after transformer high-voltage winding by power supply.Now connect and will no-load voltage ratio value conduct and voltameter 4 with three core flexible-cable lines 11 on the external pile crown of transformer low voltage winding, at this moment whether operator are i.e. Three-Phase Transformer meansigma methods (transformator of each specification has mutually the most equal no-load voltage ratio value) depending on three voltameter 4 no-load voltage ratio values, the no-load voltage ratio value indicated when three voltameters 4 has gap, i.e. can conclude that transformator is faulty, the no-load voltage ratio value indifference that three voltameters 4 indicate away from, i.e. can conclude that transformator fault-free.
Claims (1)
1. portable power distribution transformer side winding tester, has Instrument shell (1) and external test flexible-cable line (10), it is characterized in that: institute
Stating the setting of Instrument shell (1) outer top and can roll over handle (2), lower bottom part arranges steady foot (3), and Instrument shell (1) outer upper end arranges voltage
Meter (4), top one side arranges control switch (5), and another side of top arranges back brake transducer (6), under back brake transducer (6)
Face arranges external power supply plug socket (7), arranges accumulator (8) and inverter (9), at the bottom of Instrument shell (1) side in Instrument shell (1)
Inferior horn arranges external test flexible-cable line (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620276204.2U CN205539314U (en) | 2016-03-29 | 2016-03-29 | Portable distribution transformer side winding tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620276204.2U CN205539314U (en) | 2016-03-29 | 2016-03-29 | Portable distribution transformer side winding tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539314U true CN205539314U (en) | 2016-08-31 |
Family
ID=57141466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620276204.2U Expired - Fee Related CN205539314U (en) | 2016-03-29 | 2016-03-29 | Portable distribution transformer side winding tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205539314U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597158A (en) * | 2016-12-12 | 2017-04-26 | 上海欧秒电力监测设备有限公司 | Distribution transformer integrated detection device |
| CN107037315A (en) * | 2017-04-16 | 2017-08-11 | 赵洁 | A kind of large-scale workshop inspector uses machine winding detection means |
| RU205505U1 (en) * | 2021-03-29 | 2021-07-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Уральский государственный аграрный университет" (ФГБОУ ВО Южно-Уральский ГАУ) | DEVICE FOR DIAGNOSTICS OF INTER-CIRCULAR FAULTS IN WINDINGS OF A THREE-PHASE TRANSFORMER |
-
2016
- 2016-03-29 CN CN201620276204.2U patent/CN205539314U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597158A (en) * | 2016-12-12 | 2017-04-26 | 上海欧秒电力监测设备有限公司 | Distribution transformer integrated detection device |
| CN107037315A (en) * | 2017-04-16 | 2017-08-11 | 赵洁 | A kind of large-scale workshop inspector uses machine winding detection means |
| CN107037315B (en) * | 2017-04-16 | 2019-09-20 | 赵浩 | A kind of large size workshop inspector machine winding detection device |
| RU205505U1 (en) * | 2021-03-29 | 2021-07-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Уральский государственный аграрный университет" (ФГБОУ ВО Южно-Уральский ГАУ) | DEVICE FOR DIAGNOSTICS OF INTER-CIRCULAR FAULTS IN WINDINGS OF A THREE-PHASE TRANSFORMER |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |