CN103063924A - Vehicle-mounted integral three-phase direct-current resistance and transformation ratio and load comprehensive testing device and method - Google Patents
Vehicle-mounted integral three-phase direct-current resistance and transformation ratio and load comprehensive testing device and method Download PDFInfo
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- CN103063924A CN103063924A CN2012105813517A CN201210581351A CN103063924A CN 103063924 A CN103063924 A CN 103063924A CN 2012105813517 A CN2012105813517 A CN 2012105813517A CN 201210581351 A CN201210581351 A CN 201210581351A CN 103063924 A CN103063924 A CN 103063924A
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Abstract
The invention discloses a vehicle-mounted integral three-phase direct-current resistance, transformation ratio and load comprehensive testing device and a method. The testing device comprises a vehicle-mounted personal computer (PC), a relay control and communication switching unit, a three-phase direct-current resistance, transformation ratio and load comprehensive testing unit and a relay board used for switching a testing line. The vehicle-mounted PC carries out testing data communication with the three-phase direct-current resistance, transformation ratio and load comprehensive testing unit through the relay control and communication switching unit, and the relay board is connected with the testing line of the three-phase direct-current resistance, transformation ratio and load comprehensive testing unit. According to the vehicle-mounted integral three-phase direct-current resistance, transformation ratio and load comprehensive testing device and the method, a measurement process is automatic, testing time is shortened, occupied space is small by means of effective functional rectification, wiring times are reduced, work efficiency is improved, labor intensity is lowered, three tests of transformation ratio, load and direct current resistance are finished in one-time wiring mode, time and labor are saved, and application prospects are good.
Description
Technical field
The invention belongs to electric integrated field of measuring technique, be specifically related to a kind of onboard integrated three-phase dc resistance, no-load voltage ratio, comprehensive test device and the method for carrying arranged.
Background technology
Traditional electric combined test car mainly realizes measuring the direct current resistance of main-transformer in the electric system, no-load voltage ratio, three projects of the parameter of load ratio bridging switch, need with three different instruments, separately measure item by item, but it is many to measure the wiring amount, complicated, to repeatedly distinguish respectively independent measurement of wiring, because it is many to measure connection times, setting up time is long, thereby increased labour intensity, inefficiency, also have direct current resistance m easurem ent repeatedly the manual change measure wiring, for high pressure, middle pressure, low-pressure side is measured minute three wiring just can finish a pilot project, power off time is long, and staff's workload is large, has greatly wasted the man power and material.
Summary of the invention
In order to overcome the problems of the prior art, onboard integrated three-phase dc resistance provided by the invention, no-load voltage ratio, comprehensive test device and the method for carrying arranged, measuring process is automatic, and reduces the test time spent, by effective Function Integration Mechanism, it is little to occupy the space, reduces connection times, increases work efficiency, reduce labour intensity, primary connection finishes no-load voltage ratio, have carry, three kinds of tests of direct current resistance, time saving and energy saving, have a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of onboard integrated three-phase dc resistance, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: comprise vehicle-mounted PC, Control and communication switch unit, three-phase dc resistance, no-load voltage ratio, the relay board that carries the integration test unit and be used for the switch test line is arranged, described vehicle-mounted PC by Control and signal of communication switch unit and three-phase dc resistance, no-load voltage ratio, have and carry an integration test unit and carry out the test data communication, described relay board with three-phase dc resistance, no-load voltage ratio, have the p-wire of year integration test unit to be connected.
Aforesaid onboard integrated three-phase dc resistance, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: described relay board comprises high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and low-pressure side p-wire interface unit.
Aforesaid onboard integrated three-phase dc resistance, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: described three-phase dc resistance, no-load voltage ratio, have the integration test unit of carrying to comprise direct current resistance test module, the no-load voltage ratio test module that is connected with relay board respectively and the test module of carrying is arranged.
Based on above-mentioned onboard integrated three-phase dc resistance, no-load voltage ratio, the method for testing of carrying comprehensive test device is arranged, it is characterized in that: may further comprise the steps,
Step (1) connects the wiring on the high, medium and low sleeve pipe of transformer to be measured, and is connected to electric current and the voltage end of high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and the low-pressure side p-wire interface unit of corresponding relay board (4);
Step (2) is if test the three-phase dc resistance parameter, and relay board (4) automaticallyes switch and is connected with the direct current resistance test module, and adopts the magnetic assist method to carry out the direct current resistance parameter testing;
Step (3) is if test no-load voltage ratio parameter, relay board (4) automaticallyes switch and is connected with the test module of carrying is arranged, and by the parameter that vehicle-mounted PC arranges, control high-pressure side p-wire interface unit centering and press side test line interface unit or high-pressure side p-wire interface unit that low-pressure side p-wire interface unit is carried out the no-load voltage ratio measurement;
Step (4) is if test has the parameter of carrying, and relay board (4) automaticallyes switch and is connected with the test module of carrying is arranged, and control low-pressure side p-wire interface unit short circuit ground connection.
Aforesaid onboard integrated three-phase dc resistance, no-load voltage ratio, the method for testing of carrying comprehensive test device is arranged, it is characterized in that: step (2) adopts the magnetic assist method to carry out the direct current resistance parameter testing, for annotating magnetic from trend high-pressure side p-wire interface unit, finish the direct current resistance parameter measurement to low-pressure side p-wire interface unit.
The invention has the beneficial effects as follows: onboard integrated three-phase dc resistance provided by the invention, no-load voltage ratio, have and carry comprehensive test device and a device, measuring process is automatic, reduces the test time spent, by effective Function Integration Mechanism, it is little to occupy the space, meet vehicle-mounted requirement, reduce connection times, increase work efficiency, reduce labour intensity, primary connection finishes no-load voltage ratio, have carry, three kinds of tests of direct current resistance, time saving and energy saving, have a good application prospect.
Description of drawings
Fig. 1 is onboard integrated three-phase dc resistance of the present invention, no-load voltage ratio, the synoptic diagram that carries comprehensive test device is arranged.
Fig. 2 is the connection diagram of relay board of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of onboard integrated three-phase dc resistance, no-load voltage ratio, the comprehensive test device of carrying is arranged, comprise vehicle-mounted PC, Control and communication switch unit, three-phase dc resistance, no-load voltage ratio, the relay board that carries the integration test unit and be used for the switch test line is arranged, vehicle-mounted PC is by Control and signal of communication switch unit and three-phase dc resistance, no-load voltage ratio, there is the integration test unit of carrying to carry out the test data communication, relay board and three-phase dc resistance, no-load voltage ratio, there is the p-wire that carries the integration test unit to be connected, utilize vehicle-mounted PC by Control and signal of communication switch unit with three-phase dc resistance, no-load voltage ratio, there is the test data of carrying comprehensive measurement unit to be transferred on the vehicle-mounted PC, three-phase dc resistance, no-load voltage ratio, there is the integration test unit of carrying to comprise the direct current resistance test module that is connected with relay board respectively, no-load voltage ratio test module and have and carry a test module, by relay board with three-phase dc resistance, no-load voltage ratio, there is the p-wire that carries comprehensive tester to switch, select the p-wire of the required test module of different test parameters, relay board comprises high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and low-pressure side p-wire interface unit.
As shown in Figure 2, K1 on the relay board, K6, K7, K11 relay are transformed into the p-wire of no-load voltage ratio test module on the interface unit of relay board, to there be the p-wire that carries test module to be transformed on the interface unit of relay board by the K2 on the relay board, K4, K14 relay, by the K3 on the relay board 4, K5, K9, K10, K12, K13 relay the p-wire of direct current resistance test module be transformed on the interface unit of relay board.
Based on above-mentioned onboard integrated three-phase dc resistance, no-load voltage ratio, the method for testing of carrying comprehensive test device is arranged, may further comprise the steps,
The first step connects the wiring on transformer to be measured high, medium and low, and is connected to electric current and the voltage end of high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and the low-pressure side p-wire interface unit of corresponding relay board;
Second step, if test three-phase dc resistance parameter, relay board automaticallyes switch and is connected with the direct current resistance test module, and adopt the magnetic assist method to carry out the direct current resistance parameter testing, namely annotate magnetic from trend high-pressure side p-wire interface unit, finish the direct current resistance parameter measurement to low-pressure side p-wire interface unit;
The 3rd step, if test no-load voltage ratio parameter, relay board automaticallyes switch and is connected with the test module of carrying is arranged, and by the parameter that vehicle-mounted PC arranges, control high-pressure side p-wire interface unit centering and press side test line interface unit or high-pressure side p-wire interface unit that low-pressure side p-wire interface unit is carried out the no-load voltage ratio measurement;
In the 4th step, if test has the parameter of carrying, relay board automaticallyes switch and is connected with the test module of carrying is arranged, and control low-pressure side p-wire interface unit short circuit ground connection, prevents induction electromotive force interferometry precision.
In sum, onboard integrated three-phase dc resistance of the present invention, no-load voltage ratio, comprehensive test device and the method for carrying arranged, all wiring only need to be the height of main transformer, in, hang down and all connect by p-wire is disposable, and just can finish no-load voltage ratio by handling vehicle-mounted PC spare, have and carry, the surveying work of direct current resistance, measuring process is automatic, reduce the test time spent, by effective Function Integration Mechanism, it is little to occupy the space, meets vehicle-mounted requirement, reduce connection times, increase work efficiency, reduce labour intensity, primary connection is finished no-load voltage ratio, have and carry, three kinds of tests of direct current resistance, time saving and energy saving, have a good application prospect.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
- An onboard integrated three-phase dc resistance, no-load voltage ratio, the comprehensive test device of carrying is arranged, it is characterized in that: comprise vehicle-mounted PC, Control and communication switch unit, three-phase dc resistance, no-load voltage ratio, the relay board that carries the integration test unit and be used for the switch test line is arranged, described vehicle-mounted PC by Control and signal of communication switch unit and three-phase dc resistance, no-load voltage ratio, have and carry an integration test unit and carry out the test data communication, described relay board with three-phase dc resistance, no-load voltage ratio, have the p-wire of year integration test unit to be connected.
- Onboard integrated three-phase dc resistance according to claim 1, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: described relay board comprises high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and low-pressure side p-wire interface unit.
- Onboard integrated three-phase dc resistance according to claim 1, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: described three-phase dc resistance, no-load voltage ratio, have the integration test unit of carrying to comprise direct current resistance test module, the no-load voltage ratio test module that is connected with relay board respectively and the test module of carrying is arranged.
- Based on onboard integrated three-phase dc resistance, the no-load voltage ratio of claim 1, the method for testing of carrying comprehensive test device is arranged, it is characterized in that: may further comprise the steps,Step (1) connects the wiring on the high, medium and low voltage sleeve pipe of transformer to be measured, and is connected to electric current and the voltage end of high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and the low-pressure side p-wire interface unit of corresponding relay board;Step (2) is if test the three-phase dc resistance parameter, and relay board automaticallyes switch and is connected with the direct current resistance test module, and adopts the magnetic assist method to carry out the direct current resistance parameter testing;Step (3) is if test no-load voltage ratio parameter, relay board automaticallyes switch and is connected with the test module of carrying is arranged, and by the parameter that vehicle-mounted PC arranges, control high-pressure side p-wire interface unit centering and press side test line interface unit or high-pressure side p-wire interface unit that low-pressure side p-wire interface unit is carried out the no-load voltage ratio measurement;Step (4) is if test has the parameter of carrying, and relay board automaticallyes switch and is connected with the test module of carrying is arranged, and control low-pressure side p-wire interface unit short circuit ground connection.
- Onboard integrated three-phase dc resistance according to claim 4, no-load voltage ratio, the method for testing of carrying comprehensive test device is arranged, it is characterized in that: step (2) adopts the magnetic assist method to carry out the direct current resistance parameter testing, for annotating magnetic from trend high-pressure side p-wire interface unit, finish the direct current resistance parameter measurement to low-pressure side p-wire interface unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105813517A CN103063924A (en) | 2012-12-27 | 2012-12-27 | Vehicle-mounted integral three-phase direct-current resistance and transformation ratio and load comprehensive testing device and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698621A (en) * | 2013-09-05 | 2014-04-02 | 国家电网公司 | Vehicle-mounted transformer comprehensive test system |
| CN104730353A (en) * | 2015-04-20 | 2015-06-24 | 国家电网公司 | Turns ratio measuring method for current transformer |
| CN105021905A (en) * | 2014-04-15 | 2015-11-04 | 国家电网公司 | Transformer direct current resistance and transformer group tester |
| CN106771780A (en) * | 2017-02-07 | 2017-05-31 | 国网河南省电力公司新乡供电公司 | A kind of Winding in Power Transformer comprehensive test analysis device |
| CN106842008A (en) * | 2017-01-04 | 2017-06-13 | 保定天威集团特变电气有限公司 | A kind of method of test transformer loaded switch |
| CN107192975A (en) * | 2017-06-06 | 2017-09-22 | 国家电网公司 | A kind of test device of transformer |
| CN108333448A (en) * | 2018-01-09 | 2018-07-27 | 国网安徽省电力公司阜阳供电公司 | Transformer routine test comprehensive test device |
| CN110542803A (en) * | 2018-05-28 | 2019-12-06 | 云南电网有限责任公司曲靖供电局 | Automatic change owner and become test system |
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| CN102759662A (en) * | 2012-07-09 | 2012-10-31 | 中国长江三峡集团公司 | Method for measuring DC (Direct Current) resistances of transformer windings |
| CN202693702U (en) * | 2012-07-06 | 2013-01-23 | 福建省普华电子科技有限公司 | General-purpose tester of transformer |
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| CN201184902Y (en) * | 2008-04-09 | 2009-01-21 | 江西赣州供电公司 | Electric force test device |
| CN102508087A (en) * | 2011-12-26 | 2012-06-20 | 石家庄供电公司 | Integrated test stand for transformers |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698621A (en) * | 2013-09-05 | 2014-04-02 | 国家电网公司 | Vehicle-mounted transformer comprehensive test system |
| CN103698621B (en) * | 2013-09-05 | 2016-08-17 | 国家电网公司 | A kind of transformer vehicular integrated test system |
| CN105021905A (en) * | 2014-04-15 | 2015-11-04 | 国家电网公司 | Transformer direct current resistance and transformer group tester |
| CN104730353A (en) * | 2015-04-20 | 2015-06-24 | 国家电网公司 | Turns ratio measuring method for current transformer |
| CN106842008A (en) * | 2017-01-04 | 2017-06-13 | 保定天威集团特变电气有限公司 | A kind of method of test transformer loaded switch |
| CN106842008B (en) * | 2017-01-04 | 2020-07-03 | 保定天威集团特变电气有限公司 | Method for testing on-load switch of transformer |
| CN106771780A (en) * | 2017-02-07 | 2017-05-31 | 国网河南省电力公司新乡供电公司 | A kind of Winding in Power Transformer comprehensive test analysis device |
| CN107192975A (en) * | 2017-06-06 | 2017-09-22 | 国家电网公司 | A kind of test device of transformer |
| CN108333448A (en) * | 2018-01-09 | 2018-07-27 | 国网安徽省电力公司阜阳供电公司 | Transformer routine test comprehensive test device |
| CN110542803A (en) * | 2018-05-28 | 2019-12-06 | 云南电网有限责任公司曲靖供电局 | Automatic change owner and become test system |
| CN110542803B (en) * | 2018-05-28 | 2021-12-17 | 云南电网有限责任公司曲靖供电局 | Automatic change owner and become test system |
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Application publication date: 20130424 |