CN102565562A - Comprehensive testing device for electrical test of transformer - Google Patents
Comprehensive testing device for electrical test of transformer Download PDFInfo
- Publication number
- CN102565562A CN102565562A CN201010618882XA CN201010618882A CN102565562A CN 102565562 A CN102565562 A CN 102565562A CN 201010618882X A CN201010618882X A CN 201010618882XA CN 201010618882 A CN201010618882 A CN 201010618882A CN 102565562 A CN102565562 A CN 102565562A
- Authority
- CN
- China
- Prior art keywords
- data acquisition
- test
- power supply
- output
- das
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a comprehensive testing device for an electrical test of a transformer. The whole device is provided with a set of working power supply, wherein a foreground processor of a central processing unit (CPU) system is used for the data acquisition work of three data acquisition systems and controls the work of a relay switching system; and a background computer finishes man-machine interaction work, manages data and outputs a testing report. The device is light in weight and has the advantages of improving work efficiency, shortening the power outage time of equipment, saving energy, reducing emission, achieving environment friendliness and the like, the occupied space is reduced, times of climbing up and down the transformer by operating personnel is reduced, and a personal safety factor is increased.
Description
Technical field
The present invention relates to a kind of transformer pick-up unit, the present invention is a kind of transformer electrical test comprehensive test device in particular.
Background technology
China's power industry requires at the transformer interruption maintenance, when the investigation fault is checked and accepted, had a power failure in new transformer handing-over pilot projects such as winding D.C. resistance, low-voltage short-circuit impedance, load ratio bridging switch characteristic to be tested.Winding D.C. resistance, low-voltage short-circuit impedance, load ratio bridging switch characteristic are must do three independently pilot projects, and present domestic testing tool manufacturer all is the single testing equipment of producing to each pilot project, does not have comprehensive test device.Use single testing equipment drawback more:
1, in the time of need doing experiment, testing crew all must carry these three kinds of equipment and the required special test line of these three kinds of equipment at every turn, and work space powerful, the hold facility means of transport is big when carrying these equipment like this;
2, finish after a kind of test; Another kind of equipment and p-wire need changed; The transformer that particularly connecting p-wire needs operating personnel to climb to 3～8 meters of height gets on, and labor intensity of operating staff has increased personal unsafe factor greatly, up and down often like this;
3, manufacturer's starting material of producing these three kinds of equipment have many to be to reuse, like equipment box, electron device etc., to cause many energy dissipations.
Summary of the invention
According to background technology; The objective of the invention is to avoid above deficiency, provide a kind of winding D.C. resistance, low-voltage short-circuit impedance, load ratio bridging switch attribute testing appearance are integrated, and in light weight; Reduce space hold; Reduce operating personnel's transformer number of times up and down, increase work efficiency, shorten the transformer electrical test comprehensive test device of equipment power off time.
Technical scheme of the present invention is achieved in that
A kind of transformer electrical test comprehensive test device, mainly by power supply, foreground CPU; The output relay system, data acquisition system (DAS), testing power supply and background computer are formed; It is characterized in that: whole device adopts a cover working power; The testing power supply system is that test function provides required power supply, the switching of each data acquisition system (DAS) of foreground CPU management, control testing power supply system and output, relay system phase place are switched and the switching of AC/DC output, and with the background computer communication; It is separate that the output relay system is used for switch test, and it and foreground CPU get in touch through serial ports; Background computer is got in touch through USB interface and foreground CPU, and background computer is accomplished man-machine interaction work, carries out the management of data, the output of test report.
Described data acquisition system (DAS) is made up of three sets of data acquisition systems; First data acquisition system (DAS) is gathered the direct current resistance desired data; Second data acquisition system (DAS) is gathered low-voltage short-circuit impedance desired data; The 3rd data acquisition system (DAS) is gathered loaded switch test desired data, and three sets of data acquisition systems are all got in touch through serial ports with foreground CPU.
Described testing power supply system disposition locking switched system guarantees that testing power supply has only a kind of being in that electricity condition is arranged, and accomplishes the output of three kinds of testing power supplies.
Described output relay system forms a relay array by 42 relays, accomplishes that phase place in the test process is switched and the output of alternating current-direct current.
The present invention compared with prior art has following advantage and effect:
1, the present invention is integrated three equipment and is not the relation of simple addition, but on the basis of every kind of reliable in function of assurance equipment, rationally public device that can be public, saved raw-material use; The former single equipment of volume ratio that three equipment integrates slightly more greatly; The former single equipment of weight ratio is a little heavy slightly, has only 16 kilograms.
2, the present invention three equipment number of devices of integrating and having carried when having reduced test has reduced space hold, and personnel reduce the heavy burdens for site test.
3, three equipment of the present invention integrate only needs the connection p-wire can accomplish all tests that three kinds of equipment can be accomplished, and has reduced operating personnel's number of times of transformer up and down, has increased the factor of personal safety, increases work efficiency, and shortens the equipment power off time.
4, the present invention has positive social effect, energy-saving and emission-reduction, environmental protection; Power off time shortens, and creates more social benefit.
Description of drawings
Fig. 1 is a circuit The general frame of the present invention
Fig. 2 is a Transformer Winding direct current resistance data acquisition system (DAS) circuit block diagram of the present invention
Fig. 3 is a transformer low-voltage short-circuit impedance data acquisition system (DAS) circuit block diagram of the present invention
Fig. 4 is an on-load tap changers of transformers performance data acquisition system circuit block diagram of the present invention
Fig. 5 is a testing power supply circuit block diagram of the present invention
Fig. 6 is an output relay system chart of the present invention
Fig. 7 is a workflow diagram of the present invention.
Embodiment
Combine accompanying drawing to describe the specific embodiment of the invention in detail at present.
Illustrate by Fig. 1; Switching Power Supply is that total system provides working power; It exports direct current 5v, 12v, 24v; Wherein 5v, 12v provide power supply for foreground CPU, first data acquisition system (DAS), second data acquisition system (DAS), the 3rd data acquisition system (DAS) and testing power supply, and 24v provides power supply for the output relay system; Another power supply is that 220v or 380v power supply are supplied with the testing power supply use; First data acquisition system (DAS) is the data acquisition system (DAS) of preparing for the test direct current resistance; Second data acquisition system (DAS) is the data acquisition system (DAS) of preparing for test low-voltage short-circuit impedance; The 3rd data acquisition system (DAS) is the data acquisition system (DAS) of preparing for the test loaded switch, and they are all got in touch through serial ports with foreground CPU; The testing power supply system is that three kinds of different testing functions provide testing power supply; Foreground CPU manages each data acquisition system (DAS), the switching and the output of its control testing power supply system, the relay system phase place switch and with the background computer communication; It is separate that the output relay system is used for switch test, and it and foreground CPU get in touch through serial ports; Background computer is got in touch through USB interface and foreground CPU, and background computer is responsible for the demonstration of man-machine interaction, test data, the generation of report etc.
By Fig. 2 first data acquisition system (DAS) is shown; It is responsible for the needed data acquisition of direct current resistance, and there are six ad conversion chips inside, and each ad chip has a power isolation module; Each ad chip constitutes an independently power-supply system; Can gather three road DC voltages, three road DC currents, each road ad gets in touch through serial ports and foreground CPU; The ad chip adopts ad7705, and it can satisfy the requirement of our sampling with high precision; The 5v power supply of power isolation module output according to test function and the test phase selected, switches the input end that corresponding relays connects institute's test simulation amount and ad as the working power of ad converting system.
By Fig. 3 second data acquisition system (DAS) is shown, it is responsible for the needed data acquisition of low-voltage short-circuit impedance, adopts 16 ad chip ad7656; This ad chip has six tunnel inputs; We use two-way wherein, and one the tunnel gathers alternating voltage, and one the tunnel gathers alternating current; Two-way analog quantity synchronous acquisition is got in touch through serial ports and foreground CPU.Output+the 12v of power isolation module ,-the 12v power supply is as the working power of ad converting system, and according to test function and the test phase selected, switch corresponding relays and connect the analog quantity of being tested and the input end of ad.
By Fig. 4 the 3rd data acquisition system (DAS) is shown; It is responsible for loaded switch and tests needed data acquisition, adopts 16 ad chip ad7656, and this ad chip has six tunnel inputs; We with wherein three the tunnel; Three road DC voltages when gathering the loaded switch test are got in touch through serial ports and foreground CPU, the output+12v of power isolation module ,-the 12v power supply is as the working power of ad converting system; According to test function and the test phase selected, switch corresponding relays and connect the analog quantity of being tested and the input end of ad.
Fig. 5 is " testing power supply " in the The general frame, and it is that three kinds of test functions provide needed testing power supply, comprises the locking switched system of the power supply that AC power and three kinds of testing power supplies are required; The 220v power supply of three kinds of testing power supplies is through normal input battle of relay; Auxiliary node (normally closed) power supply of the working power of each relay through two other relay, thus when host node was closed, auxiliary node broke off; Guarantee that three kinds of testing power supplies have only in use and a kind ofly have electric energy enough to work; When having avoided test, the mistake output that other two kinds of power supplys are possible, thereby assurance equipment, personnel's safety.The direct current resistance test function needs constant source flowing system; The loaded switch test needs constant source flowing system; Low-voltage short-circuit impedance test function needs power-supply system; The working power of the working power of output relay and 220v relay be that the relay of only using of synchronousing working has power supply to work, guarantee that three kinds of testing power supplies have only a kind of can output, assurance equipment, personnel's safety in use.
Fig. 6 is the output relay system principle diagram.Voltage is input as phase place transfer relay group among the figure; System works is at first to switch these relays; Make voltage input circuit and voltage that input terminal is connected correctly earlier; Aanalogvoltage during test is through their accesss to plant, and ad input end relay group is according to selected test function, and analog input switches to corresponding ad acquisition circuit.Electric current output phase transfer relay group is a magnetic latching relay, and after the actuating of relay was accomplished, relay coil did not power up, and good anti-interference work is arranged.After the actuating of relay of voltage circuit is accomplished; Switch the electric current output phase transfer relay of phase place transfer relay group, make the state that itself and current output terminal are connected to be needed, then according to selected test function closed path relay; If direct current resistance; The current relay of closed direct current resistance then, if the loaded switch current relay of closed loaded switch then, if the short-circuit impedance current relay of closed short-circuit impedance then; After all relays switchings finish, just can test transformer.
Can be known that by Fig. 7 the system initialization unit carries out the resetting of system of initial setting up, system hardware functional check and the relay of system, accomplishing the back, to get into menu first; Accomplish the selection of three kinds of test functions through man-machine interaction, can only select one of three kinds, accomplish back entering output relay system switch unit; Phase place according to selected test function and test is switched necessary relay; Get into testing power supply after accomplishing and switch output unit,, get into data acquisition, computing unit according to selected function after accomplishing according to selected function switch test power supply; Switch to a kind of in needed three kinds of ad converting systems; Accomplish needed data acquisition, entering generation report unit is given background computer the data of gathering through USB interface after accomplishing, through calculating, analysis; Generate test report then and accomplish data storage function, return the function selecting unit at last.
Claims (4)
1. transformer electrical test comprehensive test device, mainly by power supply, foreground CPU; The output relay system, data acquisition system (DAS), testing power supply and background computer are formed; It is characterized in that: whole device adopts a cover working power; The testing power supply system is that test function provides required power supply, the switching of each data acquisition system (DAS) of foreground CPU management, control testing power supply system and output, relay system phase place are switched and the switching of AC/DC output, and with the background computer communication; It is separate that the output relay system is used for switch test, and it and foreground CPU get in touch through serial ports; Background computer is got in touch through USB interface and foreground CPU, and background computer is accomplished man-machine interaction work, carries out the management of data, the output of test report.
2. transformer electrical test comprehensive test device according to claim 1; It is characterized in that: described data acquisition system (DAS) is made up of three sets of data acquisition systems; First data acquisition system (DAS) is gathered the direct current resistance desired data; Second data acquisition system (DAS) is gathered low-voltage short-circuit impedance desired data, and the 3rd data acquisition system (DAS) is gathered loaded switch test desired data, and three sets of data acquisition systems are all got in touch through serial ports with foreground CPU.
3. transformer electrical test comprehensive test device according to claim 1 is characterized in that: described testing power supply system disposition locking switched system guarantees that testing power supply has only a kind of being in that electricity condition is arranged, and accomplishes the output of three kinds of testing power supplies.
4. transformer electrical test comprehensive test device according to claim 1 is characterized in that: described output relay system forms a relay array by 42 relays, accomplishes that phase place in the test process is switched and the output of alternating current-direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618882XA CN102565562A (en) | 2010-12-31 | 2010-12-31 | Comprehensive testing device for electrical test of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618882XA CN102565562A (en) | 2010-12-31 | 2010-12-31 | Comprehensive testing device for electrical test of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102565562A true CN102565562A (en) | 2012-07-11 |
Family
ID=46411488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010618882XA Pending CN102565562A (en) | 2010-12-31 | 2010-12-31 | Comprehensive testing device for electrical test of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102565562A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981055A (en) * | 2012-11-30 | 2013-03-20 | 江苏省电力公司涟水县供电公司 | Tester for direct current resistance of transformer and parameter of on-load tap-changer of transformer |
| CN103941122A (en) * | 2014-04-04 | 2014-07-23 | 国家电网公司 | Multifunctional transformer comprehensive testing device |
| CN107064635A (en) * | 2016-11-11 | 2017-08-18 | 郭云花 | Low-voltage short-circuit impedance tests auxiliary machine |
| CN107912059A (en) * | 2015-06-15 | 2018-04-13 | 欧米克朗电子有限公司 | The switching device operating method of switching device, test device and transformer measuring device |
| CN112834839A (en) * | 2020-12-28 | 2021-05-25 | 深圳供电局有限公司 | Portable device and system for transformer field comprehensive test |
| CN116539984A (en) * | 2023-04-10 | 2023-08-04 | 中国石油测井-阿特拉斯合作服务公司 | Detection device and detection method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196989A (en) * | 1996-01-16 | 1997-07-31 | Hitachi Eng & Services Co Ltd | On-site supporting tool for automatically testing static and dynamic characteristics of avr |
| JP2000184574A (en) * | 1998-12-18 | 2000-06-30 | Toshiba Eng Co Ltd | Protective relay device |
| CN1268670A (en) * | 1999-03-24 | 2000-10-04 | 华仪电子股份有限公司 | Multifunctional safe standard automatic test device |
| CN101382575A (en) * | 2008-07-04 | 2009-03-11 | 刘兆林 | Auto testing system for electronic transformer |
| CN101614800A (en) * | 2009-07-27 | 2009-12-30 | 江苏省电力试验研究院有限公司 | A kind of calibration device for comprehensive parameter tester of transformer |
| CN201935973U (en) * | 2010-12-31 | 2011-08-17 | 上海市电力公司 | Integrative test device of electric test of transformer |
-
2010
- 2010-12-31 CN CN201010618882XA patent/CN102565562A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196989A (en) * | 1996-01-16 | 1997-07-31 | Hitachi Eng & Services Co Ltd | On-site supporting tool for automatically testing static and dynamic characteristics of avr |
| JP2000184574A (en) * | 1998-12-18 | 2000-06-30 | Toshiba Eng Co Ltd | Protective relay device |
| CN1268670A (en) * | 1999-03-24 | 2000-10-04 | 华仪电子股份有限公司 | Multifunctional safe standard automatic test device |
| CN101382575A (en) * | 2008-07-04 | 2009-03-11 | 刘兆林 | Auto testing system for electronic transformer |
| CN101614800A (en) * | 2009-07-27 | 2009-12-30 | 江苏省电力试验研究院有限公司 | A kind of calibration device for comprehensive parameter tester of transformer |
| CN201935973U (en) * | 2010-12-31 | 2011-08-17 | 上海市电力公司 | Integrative test device of electric test of transformer |
Non-Patent Citations (1)
| Title |
|---|
| 管金云: "基于计算机的变压器出厂试验系统研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981055A (en) * | 2012-11-30 | 2013-03-20 | 江苏省电力公司涟水县供电公司 | Tester for direct current resistance of transformer and parameter of on-load tap-changer of transformer |
| CN103941122A (en) * | 2014-04-04 | 2014-07-23 | 国家电网公司 | Multifunctional transformer comprehensive testing device |
| CN103941122B (en) * | 2014-04-04 | 2016-06-15 | 国家电网公司 | A kind of Multifunction transformer test comprehensive test device |
| CN107912059A (en) * | 2015-06-15 | 2018-04-13 | 欧米克朗电子有限公司 | The switching device operating method of switching device, test device and transformer measuring device |
| US10746810B2 (en) | 2015-06-15 | 2020-08-18 | Omicron Electronics Gmbh | Switch apparatus, test apparatus and method for operating a switch apparatus for a measuring device for a transformer |
| CN107912059B (en) * | 2015-06-15 | 2021-01-05 | 欧米克朗电子有限公司 | Switching device, testing device and switching device operation method of transformer measuring device |
| CN107064635A (en) * | 2016-11-11 | 2017-08-18 | 郭云花 | Low-voltage short-circuit impedance tests auxiliary machine |
| CN112834839A (en) * | 2020-12-28 | 2021-05-25 | 深圳供电局有限公司 | Portable device and system for transformer field comprehensive test |
| CN116539984A (en) * | 2023-04-10 | 2023-08-04 | 中国石油测井-阿特拉斯合作服务公司 | Detection device and detection method |
| CN116539984B (en) * | 2023-04-10 | 2024-03-15 | 中国石油测井-阿特拉斯合作服务公司 | Detection device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201935973U (en) | Integrative test device of electric test of transformer | |
| CN101739877B (en) | Simulation training system of 10KV typical customer distribution room | |
| CN102565562A (en) | Comprehensive testing device for electrical test of transformer | |
| CN202975289U (en) | Photovoltaic grid connected inverter automatic testing platform | |
| CN102253296A (en) | Method for testing comprehensive device of transformer | |
| CN106467025B (en) | A kind of device for managing and controlling electrical source | |
| CN102097024A (en) | Distribution room safety simulation training system | |
| CN106788140B (en) | A kind of modularization common DC bus photovoltaic energy storage system | |
| CN103424692A (en) | Direct-current circuit breaker on-off characteristic test method | |
| CN211089207U (en) | Parallel charging module and double-mixed type direct current screen system applying same | |
| CN103323686B (en) | A kind of intelligent grid power quality analyzer | |
| CN201868896U (en) | Economic operation system of transformer | |
| CN201812010U (en) | Comprehensive testing device for power load management terminal | |
| CN201392392Y (en) | Experiment tester of pare power automatic switching device | |
| Whitehouse et al. | A new simulator laboratory for research and development of VSC HVDC topologies and control algorithms | |
| CN202093088U (en) | Electrical parameter measuring device | |
| CN106019175A (en) | Uninterrupted power supply power characteristic testing instrument | |
| Guay et al. | New hydro-québec real-time simulation interface for HVDC commissioning studies | |
| CN205945149U (en) | A power supply unit for middling pressure circuit breaker cabinet secondary control loop | |
| CN201887483U (en) | Reactive compensation intelligent monitoring manager | |
| CN114397517A (en) | Photovoltaic inverter test system | |
| CN212229453U (en) | Configurable intelligent remote measurement and control system of hydraulic power plant | |
| CN113972621A (en) | Protection measurement and control system of alternating current filter bank of high-voltage direct current converter station | |
| CN102496872A (en) | Intelligent civil engineering power distribution station | |
| CN202817901U (en) | Intelligent micro electrical network distribution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |