CN108535580A - Transformer synthesis tests system - Google Patents

Transformer synthesis tests system Download PDF

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Publication number
CN108535580A
CN108535580A CN201810736367.8A CN201810736367A CN108535580A CN 108535580 A CN108535580 A CN 108535580A CN 201810736367 A CN201810736367 A CN 201810736367A CN 108535580 A CN108535580 A CN 108535580A
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CN
China
Prior art keywords
test
voltage
transformer
resistance
current
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
Application number
CN201810736367.8A
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Chinese (zh)
Inventor
晏文武
韩飞
杨琮
贡维
高晓刚
段文波
戴金富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Gaodian Electric Power Equipment Co ltd
Laiwu Luneng Kaiyuan Group Electrical Appliance Co ltd
Laiwu Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Jiangsu High Electric Power Equipment Co Ltd
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Publication date
Application filed by Jiangsu High Electric Power Equipment Co Ltd filed Critical Jiangsu High Electric Power Equipment Co Ltd
Priority to CN201810736367.8A priority Critical patent/CN108535580A/en
Publication of CN108535580A publication Critical patent/CN108535580A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

The invention discloses a kind of transformer synthesis to test system, insulating resistance value is can measure including the when connection set experiment of Insulation Resistance Tester, voltage, D.C. resistance experiment, no-load loss and no-load current percent test, load loss and short-circuit impedance percent test, induced over voltage withstand test and industrial frequency withstand voltage experiment, the Insulation Resistance Tester.The transformer synthesis tests system, using PLC as core control equipment, stable test operation software, it is simple to operate, using PLC as core control equipment, stable test operation software, simple to operate, without artificial shift, test voltage, electric current monitor CT/PT automatically, elevation rate can be automatically adjusted according to the height of voltage, electric current, transformer temperature rise test uses radio temperature sensor, automatic monitoring temperature to rise variation, record temperature in real time, short form test circuit improves efficiency of transmission.

Description

Transformer synthesis tests system
Technical field
The invention belongs to technical field of transformer equipment, and in particular to a kind of transformer synthesis test system.
Background technology
With development in science and technology and progress, automatic technology is more and more ripe.Traditional Manual voltage-transformation device test equipment is not It can meet and be particular about efficient social demand, automatization test system is used unit to praise highly.
But at the scene experiment and in use, common transformer synthesis pilot system still have automatization level it is relatively low, The problems such as equipment operational safety outstanding problem, crash analysis and operating system are limited by technical conditions improves using single Requirement and operating cost of the position to operating personnel's technology.
Invention content
The purpose of the present invention is to provide a kind of transformer synthesis to test system, mentioned above in the background art to solve Problem.
To achieve the above object, the present invention provides the following technical solutions:A kind of transformer synthesis test system, including insulation The when connection set experiment of resistance meter, voltage, D.C. resistance experiment, no-load loss and no-load current percent test are born Load-loss and short-circuit impedance percent test, induced over voltage withstand test and industrial frequency withstand voltage experiment, the Insulation Resistance Tester can be surveyed Insulating resistance value is measured, the insulation resistance ratio of timing recording 1min and 15S or the insulation resistance ratio of 10min and 1min can be passed through It is worth absorptance and polarization index;
The different stalls of the voltage when connection set experimental evidence transformer, which test out, to be become ratio and connect group alias, It is automatic to calculate ratio error value, judge whether transformer is qualified;
The D.C. resistance experimental evidence transformer different stalls, it is separate test out DC resistance, while electricity can be calculated Whether alternate qualified, and preserve test record if hindering, this record can be used for the resistance value conversion of load testing, and temperature rises cold-state resistance It substitutes into, realizes the automatic conversion of temperature in varied situations;
The no-load loss and no-load current percent test according to transformer parameter value, automatically switch transformer current, Voltage gear, automatic boosting is to transformer low voltage rated voltage, on the basis of mean voltage, can extract data and generates experiment note Record;
The load loss and short-circuit impedance percent test according to transformer parameter value, automatically switch transformer current, Voltage gear, automatic up-flow is to transformer high-voltage rated current, on the basis of average value current, when supplementary transformer loss is bigger than normal When, it may be selected to substitute into resistance calculations, test current is converted to rated current automatically, and test temperature is converted to 75/120/145 automatically DEG C, it can extract data and generate test data sheet;
The induced over voltage withstand test and the default test voltage of industrial frequency withstand voltage experimental evidence, voltage automatic boosting to preset value, Self-clocking corresponding time, timing are automatically performed decompression after passing through.If experiment does not pass through, system gives a warning prompt, in addition exists During dividing experiment to dry-type transformer, oil-immersed transformer, experiment by temperature rise test in experiment, according to loss value, system Voltage and current value is automatically controlled, has ensured that loss value continues constant, temperature automatic collection, when temperature rises variation no more than 1K, conversion To rated current, system automatically controls curent change, keeps test current to stablize constant, can measure the hot electricity of high and low pressure side simultaneously Numerical value is hindered and records, system completes the calculating to hot resistance, cold-state resistance, Wen Sheng.
Preferably, system configuration binary channels instrument for measuring DC resistance in the D.C. resistance experiment, and can when thermal resistance measurement Realize while measuring the DC resistance of high pressure and low pressure winding.
The technique effect and advantage of the present invention:The transformer synthesis tests system, using PLC as core control equipment, Stable test operation software, it is simple to operate, using PLC as core control equipment, stable test operation software, behaviour Make simple and convenient, CT/PT is monitored automatically without artificial shift, test voltage, electric current, can be automatic according to the height of voltage, electric current Elevation rate is adjusted, transformer temperature rise test uses radio temperature sensor, automatic monitoring temperature to rise variation, record temperature in real time, Short form test circuit improves efficiency of transmission.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of transformer synthesis as shown in Figure 1 to test system, including Insulation Resistance Tester, voltage When connection set experiment, D.C. resistance experiment, no-load loss and no-load current percent test, load loss and short-circuit impedance Percent test, induced over voltage withstand test and industrial frequency withstand voltage experiment, the Insulation Resistance Tester can measure insulating resistance value, can be with Absorptance and pole are obtained by the insulation resistance ratio of timing recording 1min and 15S or the insulation resistance ratio of 10min and 1min Change index;
The different stalls of the voltage when connection set experimental evidence transformer, which test out, to be become ratio and connect group alias, It is automatic to calculate ratio error value, judge whether transformer is qualified;
The D.C. resistance experimental evidence transformer different stalls, it is separate test out DC resistance, while electricity can be calculated Whether alternate qualified, and preserve test record if hindering, this record can be used for the resistance value conversion of load testing, and temperature rises cold-state resistance It substitutes into, realizes the automatic conversion of temperature in varied situations;
The no-load loss and no-load current percent test according to transformer parameter value, automatically switch transformer current, Voltage gear, automatic boosting is to transformer low voltage rated voltage, on the basis of mean voltage, can extract data and generates experiment note Record;
The load loss and short-circuit impedance percent test according to transformer parameter value, automatically switch transformer current, Voltage gear, automatic up-flow is to transformer high-voltage rated current, on the basis of average value current, when supplementary transformer loss is bigger than normal When, it may be selected to substitute into resistance calculations, test current is converted to rated current automatically, and test temperature is converted to 75/120/145 automatically DEG C, it can extract data and generate test data sheet;
The induced over voltage withstand test and the default test voltage of industrial frequency withstand voltage experimental evidence, voltage automatic boosting to preset value, Self-clocking corresponding time, timing are automatically performed decompression after passing through.If experiment does not pass through, system gives a warning prompt, in addition exists During dividing experiment to dry-type transformer, oil-immersed transformer, experiment by temperature rise test in experiment, according to loss value, system Voltage and current value is automatically controlled, has ensured that loss value continues constant, temperature automatic collection, when temperature rises variation no more than 1K, conversion To rated current, system automatically controls curent change, keeps test current to stablize constant, can measure the hot electricity of high and low pressure side simultaneously Numerical value is hindered and records, system completes the calculating to hot resistance, cold-state resistance, Wen Sheng.
Specifically, system configuration binary channels instrument for measuring DC resistance in the D.C. resistance experiment, and can when thermal resistance measurement Realize while measuring the DC resistance of high pressure and low pressure winding.
The transformer synthesis tests system, and when being tested, voltage when test by connection group alias, clicks opening and (becomes Tested than group) interface, (tap selection) corresponding transformer gear, selection is suitable (test-types), carries out (parameter setting), then Selection correctly after (high pressure connection), is clicked (starting to test), and test result automatically saves, and opening is clicked in D.C. resistance test (D.C. resistance experiment) interface, (tap selection) corresponding transformer gear, correctly selects high and low pressure side (measurement type) startup pair Separate rear (the starting to test) answered, test, which is completed to preserve simultaneously (to terminate to test) in result to test data, discharges, and calculates Resistance unbalance rate, no-load loss and the test of no-load current percentage, click opening (no-load loss experiment) interface, into (ginseng Number setting), it is returned after correct transformer parameter is set, successively (main no-load loss and idler circuit start) (idling, which carries, to be started) (starting to test) (automatic boosting), voltage rises to rated voltage, can crawl adjust voltage, time-dependent current percentage test boosting complete In (extraction data) to data record sheet, then (automatic decompression) (idling, which carries, to be stopped) (main circuit stopping) (exiting experiment) successively, Load loss and the test of short-circuit impedance percentage, click opening (load loss experiment) interface, and into (parameter setting), setting is just It is returned after true transformer parameter, successively (main device load loss and short refined circuit start) (idling, which carries, to be started) (starting to test) (automatic boosting), electric current rises to rated current, can crawl adjust electric current, up-flow is completed in (extraction data) to data record sheet, Opening (induction is clicked in (automatic decompression) (idling, which carries, to be stopped) (main circuit stopping) (exiting experiment), induced over voltage withstand test successively again Pressure test) interface, be arranged preset threshold voltage, successively (dragging motor startups) (main circuit startup) (excitation startup) (incude it is resistance to Pressure starts) (starting to test) (automatic boosting), voltage rises to default threshold voltage, can crawl adjust voltage, examination boosting is completed, automatically Timing, after the completion of timing (automatic decompression), then (inducting-voltage proof stopping) (excitation stopping) (main circuit stopping) (dragging motor successively Stop) (exiting experiment), the impact of industrial frequency withstand voltage test sheet opens (industrial frequency withstand voltage experiment) interface, is arranged and presets threshold voltage, (main successively Circuit start) (industrial frequency withstand voltage startup) when frequency (go into operation pressure test begin test) (automatic boosting), voltage rises to default threshold voltage, can Crawl adjusts voltage, and boosting is completed, self-clocking, after the completion of timing (automatic decompression), then (industrial frequency withstand voltage stopping) (main electricity successively Road stops) (exiting experiment), oil immersed type temperature, which rises, tests, and clicks opening (temperature rise test) interface, and selection (applies total losses), successively (main circuit startup) (idling carry start) (starts oil immersed type temperature and rises test) (automatic boosting), can crawl adjust voltage, system from Dynamic control voltage and current keeps total losses constant, and after temperature, which rises variation, to be stablized, selection (applies rated current), and system is down to automatically Rated current is simultaneously kept for 1 hour, (is depressured automatically) after the completion, then successively (idling, which carries, to be stopped) (main circuit stopping), at once immediately Carry out in thermal resistance survey), all measurement data comprehensive analysis calculate, and dry type temperature rises test, clicks opening (temperature rise test) interface, first It is introduced into (unloaded Wen Sheng), preset voltage value is set, (main circuit startup) (empty dry type temperature rises test load and starts) (starts successively Test) (automatic boosting), can crawl adjust voltage, after temperature, which rises variation, to be stablized, be introduced into (thermal resistance survey in) interface, then (automatic It is depressured) (stopping of idling load) (main circuit stopping), subsequent thermal resistance wiring are simultaneously tested, secondly enter and (load Wen Sheng), be arranged successively Pre-set current value, operating procedure are calculated with oil immersed type Wen Sheng, all survey mileages according to comprehensive analysis.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (2)

1. a kind of transformer synthesis tests system, including the when connection set experiment of Insulation Resistance Tester, voltage, D.C. resistance Experiment, no-load loss and no-load current percent test, load loss and short-circuit impedance percent test, induced over voltage withstand test and Industrial frequency withstand voltage is tested, it is characterised in that:The Insulation Resistance Tester can measure insulating resistance value, can pass through timing recording The insulation resistance ratio or 10min of 1min and 15S and the insulation resistance ratio of 1min obtain absorptance and polarization index;
The different stalls of the voltage when connection set experimental evidence transformer, which test out, to be become ratio and connect group alias, automatically Ratio error value is calculated, judges whether transformer is qualified;
The D.C. resistance experimental evidence transformer different stalls, it is separate test out DC resistance, while resistance phase can be calculated Between it is whether qualified, and preserve test record, this record can be used for the resistance value conversion of load testing, and temperature rises the generation of cold-state resistance Enter, realizes the automatic conversion of temperature in varied situations;
The no-load loss and no-load current percent test automatically switch transformer current, voltage according to transformer parameter value Gear, automatic boosting is to transformer low voltage rated voltage, on the basis of mean voltage, can extract data and generates test data sheet;
The load loss and short-circuit impedance percent test automatically switch transformer current, voltage according to transformer parameter value Gear, automatic up-flow is to transformer high-voltage rated current, on the basis of average value current, when supplementary transformer loss is bigger than normal, It may be selected to substitute into resistance calculations, test current is converted to rated current automatically, and test temperature is converted to 75/120/145 DEG C automatically, Extractable data generate test data sheet;
The induced over voltage withstand test and the default test voltage of industrial frequency withstand voltage experimental evidence, voltage automatic boosting to preset value, automatically Timing corresponding time, timing are automatically performed decompression after passing through, if experiment does not pass through, system gives a warning prompt, is in addition testing In divide experiment to dry-type transformer, oil-immersed transformer, experiment by temperature rise test during, according to loss value, system is automatic Voltage and current value is controlled, has ensured that loss value continues constant, temperature automatic collection and is transformed into volume when temperature rises variation no more than 1K Constant current, system automatically control curent change, keep test current to stablize constant, can measure high and low pressure side hot resistance simultaneously simultaneously Numerical value is recorded, system completes the calculating to hot resistance, cold-state resistance, Wen Sheng.
2. a kind of transformer synthesis according to claim 1 tests system, it is characterised in that:In the D.C. resistance experiment System configuration binary channels instrument for measuring DC resistance, and the direct current of high pressure and low pressure winding can be realized while measured when thermal resistance measurement Resistance value.
CN201810736367.8A 2018-07-02 2018-07-02 Transformer synthesis tests system Pending CN108535580A (en)

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Cited By (14)

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Publication number Priority date Publication date Assignee Title
CN109341881A (en) * 2018-10-17 2019-02-15 浙江华电器材检测研究所有限公司 Transformer temperature rise automatic checkout system and method
CN110208633A (en) * 2019-05-30 2019-09-06 裕文新兴电子(深圳)有限公司 Transformer parameter test macro, test method and computer storage medium
CN110286290A (en) * 2019-07-09 2019-09-27 江苏安方电力科技有限公司 A kind of transformer automatic connection device
CN111175597A (en) * 2019-12-09 2020-05-19 中船重工(重庆)西南装备研究院有限公司 Multifunctional transformer comprehensive experiment system and method
CN111272458A (en) * 2020-02-20 2020-06-12 台州市产品质量安全检测研究院 Warm air dryer test system and method
CN111273117A (en) * 2020-04-03 2020-06-12 国家电网有限公司 Method and device for shortening no-load temperature rise test time of dry-type transformer
CN112229439A (en) * 2020-08-31 2021-01-15 煤科集团沈阳研究院有限公司 Mining explosion-proof type cable drum inspection system and inspection method based on current fluctuation method
CN112444689A (en) * 2019-08-29 2021-03-05 特变电工京津冀智能科技有限公司 Temperature rise test method and device for transformer
CN112816801A (en) * 2020-08-28 2021-05-18 苏州灵成电气有限公司 Transformer arrester detecting system
CN114236271A (en) * 2021-12-01 2022-03-25 国网山东省电力公司电力科学研究院 On-site calibration method and system for transformer comprehensive detection device
CN114415069A (en) * 2021-12-31 2022-04-29 国网湖北省电力有限公司电力科学研究院 Automatic switching detection system and method for distribution transformer
CN115389833A (en) * 2022-07-25 2022-11-25 云南电网有限责任公司楚雄供电局 Automatic capacity checking method for 315kV and below voltage class distribution transformer
WO2023138045A1 (en) * 2022-01-21 2023-07-27 苏州华电电气股份有限公司 Energy efficiency index detection apparatus for power transformer
CN114236271B (en) * 2021-12-01 2024-05-31 国网山东省电力公司电力科学研究院 On-site verification method and system for comprehensive detection device of transformer

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109341881A (en) * 2018-10-17 2019-02-15 浙江华电器材检测研究所有限公司 Transformer temperature rise automatic checkout system and method
CN110208633A (en) * 2019-05-30 2019-09-06 裕文新兴电子(深圳)有限公司 Transformer parameter test macro, test method and computer storage medium
CN110286290A (en) * 2019-07-09 2019-09-27 江苏安方电力科技有限公司 A kind of transformer automatic connection device
CN112444689B (en) * 2019-08-29 2022-11-29 特变电工京津冀智能科技有限公司 Temperature rise test method and device for transformer
CN112444689A (en) * 2019-08-29 2021-03-05 特变电工京津冀智能科技有限公司 Temperature rise test method and device for transformer
CN111175597A (en) * 2019-12-09 2020-05-19 中船重工(重庆)西南装备研究院有限公司 Multifunctional transformer comprehensive experiment system and method
CN111272458A (en) * 2020-02-20 2020-06-12 台州市产品质量安全检测研究院 Warm air dryer test system and method
CN111273117B (en) * 2020-04-03 2022-03-29 国家电网有限公司 Method and device for shortening no-load temperature rise test time of dry-type transformer
CN111273117A (en) * 2020-04-03 2020-06-12 国家电网有限公司 Method and device for shortening no-load temperature rise test time of dry-type transformer
CN112816801A (en) * 2020-08-28 2021-05-18 苏州灵成电气有限公司 Transformer arrester detecting system
CN112229439A (en) * 2020-08-31 2021-01-15 煤科集团沈阳研究院有限公司 Mining explosion-proof type cable drum inspection system and inspection method based on current fluctuation method
CN114236271A (en) * 2021-12-01 2022-03-25 国网山东省电力公司电力科学研究院 On-site calibration method and system for transformer comprehensive detection device
CN114236271B (en) * 2021-12-01 2024-05-31 国网山东省电力公司电力科学研究院 On-site verification method and system for comprehensive detection device of transformer
CN114415069A (en) * 2021-12-31 2022-04-29 国网湖北省电力有限公司电力科学研究院 Automatic switching detection system and method for distribution transformer
CN114415069B (en) * 2021-12-31 2022-10-21 国网湖北省电力有限公司电力科学研究院 Automatic switching detection system and method for distribution transformer
WO2023138045A1 (en) * 2022-01-21 2023-07-27 苏州华电电气股份有限公司 Energy efficiency index detection apparatus for power transformer
CN115389833A (en) * 2022-07-25 2022-11-25 云南电网有限责任公司楚雄供电局 Automatic capacity checking method for 315kV and below voltage class distribution transformer
CN115389833B (en) * 2022-07-25 2024-02-20 云南电网有限责任公司楚雄供电局 Automatic capacity checking method for distribution transformer with voltage class of 315kV and below

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Address after: 211500 3 Wang Xin Road, Zhongshan science and Technology Park, Liuhe District, Nanjing, Jiangsu, 420

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