CN107300612A - Transformer oil oxidation test control system and its control method - Google Patents
Transformer oil oxidation test control system and its control method Download PDFInfo
- Publication number
- CN107300612A CN107300612A CN201710671496.9A CN201710671496A CN107300612A CN 107300612 A CN107300612 A CN 107300612A CN 201710671496 A CN201710671496 A CN 201710671496A CN 107300612 A CN107300612 A CN 107300612A
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- Prior art keywords
- module
- control
- transformer oil
- oil oxidation
- control system
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 230000003647 oxidation Effects 0.000 title claims abstract description 53
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 33
- 238000007906 compression Methods 0.000 claims abstract description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 238000002474 experimental method Methods 0.000 claims abstract description 9
- 238000012546 transfer Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2805—Oils, i.e. hydrocarbon liquids investigating the resistance to heat or oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Housings And Mounting Of Transformers (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention provides a kind of transformer oil oxidation test control system and its control method, it utilizes thermal module, test temperature in flow module and compression module difference Control experiment stand, oxygen flow and test voltage, and using industrial computer and acquisition control module to the thermal module, flow module and compression module are controlled, transformer oil oxidation test in test-bed is automatically controlled with realizing, simultaneously, the transformer oil oxidation test control system and its control method are also by performing relay to the acquisition control module, thermal module, flow module and compression module are monitored, when test-bed goes wrong, industrial computer can send alarm, work as acquisition control module, thermal module, when flow module or compression module go wrong, the power supply of respective modules can be cut off by performing relay, and send alarm, which greatly enhances the security of transformer oil oxidation test process.
Description
Technical field
The present invention relates to than oil oxidation test field, more particularly to a kind of transformer oil oxidation test control system and its
Control method.
Background technology
The oxidation susceptibility of transformer oil is one of key index of transformer oil, and realistic simulation transformer oil is in transformer
In running situation be the most effective most intuitively assessment method of transformer oil oxidation susceptibility index, be also and real transformer linked network
Most close simulation meanses are run, the direct convincingness applied with market.Being tested due to the oxidation susceptibility of transformer oil is needed
Transformer oil is allowed to be carried out under high temperature, oxygen-enriched and big voltage environment, therefore transformer oil oxidation test stand just arises at the historic moment, its
High temperature and voltage can be applied to transformer oil simultaneously and be passed through the oxidisability of oxygen with test transformer oil in the presence of a harsh environment
Energy.But existing transformer oil oxidation test stand lacks control system, its typically by manually realize temperature, oxygen flow and
The regulation of voltage, precision is relatively low, and reliability is poor, and due to without overall management so that its transformer oil oxidation test process
Security is difficult to be protected.
The content of the invention
The present invention provides a kind of transformer oil oxidation test control system and its control method, to realize single or multiple changes
The overall management of depressor oil oxidation test stand, on the basis of increase test accuracy and reliability, also substantially increases experiment
The security of process.
In order to reach above-mentioned technical purpose, the present invention provides a kind of transformer oil oxidation test control system, and it includes work
Control machine, acquisition control module, thermal module, flow module, compression module, execution relay and multiple test-beds, the temperature
Degree module, flow module and compression module are connected with each equal telecommunications of test-bed, and the test-bed is entered respectively
Trip temperature control, oxygen flux control and voltage control, the industrial computer control the temperature by the acquisition control module
The switch of module, flow module and compression module, the execution relay respectively with the thermal module, flow module and pressurization
Modular telecommunications are connected, and disconnect when experiment occurs abnormal the power supply of respective modules.
Further, the acquisition control module can also gather the flow letter of the flow module and compression module respectively
Breath and information of voltage, and it is fed back to the industrial computer.
Further, the transformer oil oxidation test control system also includes dc source, and the dc source passes through
The execution relay is connected with the acquisition control module, thermal module, flow module and compression module telecommunications, the industry control
Machine is directly connected with the dc source telecommunications.
Further, the transformer oil oxidation test control system also includes temperature sensor, the temperature sensor
It is arranged on the stand, and is connected with the thermal module telecommunications.
Further, the transformer oil oxidation test control system also includes alarm, and the alarm is held with described
Row relay telecommunications is connected.
Further, the transformer oil oxidation test control system also includes transfer valve, and oxygen passes through the transfer valve
Enter the flow module afterwards.
Further, the transfer valve has three branching blocks, and each branching block is respectively provided with four way outlets.
Further, it is equipped with stop valve in every way outlet in the branching block.
The present invention also provides a kind of control method of above-mentioned transformer oil oxidation test control system, and it includes：
The thermal module has two sets of control loops of master control and secondary control, and the pair is controlled for master control described in track protection,
When the master control is uncontrollable or deviates preset range, control loop is switched to the secondary control, same Times by the industrial computer
It is alert.
Further, the thermal module has one-level, two from low to high according to the temperature of oil product in the test-bed
Level, three-level alarm mode, the one-level, the alarm signal of secondary alarm pattern are controlled by the industrial computer, the three-level alarm
The alarm signal of pattern is controlled by the acquisition control module.
Compared with prior art, the invention has the advantages that：
The transformer oil oxidation test control system and its control method that the present invention is provided utilize thermal module, flow module
Distinguish test temperature, oxygen flow and the test voltage in Control experiment stand with compression module, and use industrial computer and collection
Control module is controlled to the thermal module, flow module and compression module, to realize to transformer oil in test-bed
Oxidation test is automatically controlled, meanwhile, the transformer oil oxidation test control system and its control method be also by performing relay
Device is monitored to the acquisition control module, thermal module, flow module and compression module, when test-bed goes wrong
When, industrial computer can send alarm, when acquisition control module, thermal module, flow module or compression module go wrong, and perform
Relay can cut off the power supply of respective modules, and send alarm, and which greatly enhances the safety of transformer oil oxidation test process
Property.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of transformer oil oxidation test control system provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments to transformer oil oxidation test control system proposed by the present invention and its control
Method processed is described in further detail.According to following explanation and claims, advantages and features of the invention will become apparent from.Need
Illustrate, accompanying drawing is using very simplified form and uses non-accurately ratio, only to conveniently, lucidly auxiliary is said
The purpose of the bright embodiment of the present invention.
The present invention core concept be there is provided a kind of transformer oil oxidation test control system and its control method, its
Test temperature, oxygen flow and the experiment electricity in Control experiment stand are distinguished using thermal module, flow module and compression module
Pressure, and the thermal module, flow module and compression module are controlled using industrial computer and acquisition control module, to realize
Transformer oil oxidation test in test-bed is automatically controlled, meanwhile, the transformer oil oxidation test control system and its control
Method processed also monitors by performing relay to the acquisition control module, thermal module, flow module and compression module,
When test-bed goes wrong, industrial computer can send alarm, when acquisition control module, thermal module, flow module or pressurization
When module goes wrong, the power supply of respective modules can be cut off by performing relay, and send alarm, and which greatly enhances transformer oil
The security of oxidation test process.
Fig. 1 is refer to, Fig. 1 is the structural representation of transformer oil oxidation test control system provided in an embodiment of the present invention
Figure.
As shown in figure 1, the embodiment of the present invention provides a kind of transformer oil oxidation test control system, it include industrial computer,
Acquisition control module, thermal module, flow module, compression module, execution relay and multiple test-bed (not shown), institute
Thermal module, flow module and compression module is stated to be connected with each equal telecommunications of test-bed, and respectively to the testing stand
Frame carries out temperature control, oxygen flux control and voltage control, and the industrial computer is controlled described by the acquisition control module
The switch of thermal module, flow module and compression module, the execution relay respectively with the thermal module, flow module and
Compression module telecommunications is connected, and disconnects when experiment occurs abnormal the power supply of respective modules.
Transformer oil oxidation test control system provided in an embodiment of the present invention utilizes thermal module, flow module and pressurization
Test temperature, oxygen flow and test voltage in module difference Control experiment stand, and use industrial computer and acquisition control mould
Block is controlled to the thermal module, flow module and compression module, to realize to transformer oil oxidation examination in test-bed
That tests automatically controls, meanwhile, the transformer oil oxidation test control system is also by performing relay to the acquisition control mould
Block, thermal module, flow module and compression module are monitored that, when test-bed goes wrong, industrial computer can send alarm,
When acquisition control module, thermal module, flow module or compression module go wrong, respective modules can be cut off by performing relay
Power supply, and send alarm, which greatly enhances the security of transformer oil oxidation test process.
Further, the acquisition control module can also gather the flow letter of the flow module and compression module respectively
Breath and information of voltage, and it is fed back to the industrial computer.Flow module can be extracted at any time by the acquisition control module
With the flow information and information of voltage in compression module, and the industrial computer is fed back to, to play a part of monitoring in real time.
Further, the transformer oil oxidation test control system also includes dc source, and the dc source passes through
The execution relay is connected with the acquisition control module, thermal module, flow module and compression module telecommunications, the industry control
Machine is directly connected with the dc source telecommunications.The dc source can as industrial computer and the power supply of other modules, and
Stable operating voltage is provided for it.
Further, the transformer oil oxidation test control system also includes temperature sensor, the temperature sensor
It is arranged on the stand, and is connected with the thermal module telecommunications.The temperature sensor being capable of oil in Detecting data frame
The temperature information of product, and the thermal module is fed back to, the temperature information is fed back to industrial computer by the thermal module again,
To realize the real-time control of test-bed temperature.
Further, the transformer oil oxidation test control system also includes alarm, and the alarm is held with described
Row relay telecommunications is connected.When the execution relay disconnects dc source and acquisition control module, thermal module, flow module
Or compression module connection when, siren described in OnNow, to notify staff to carry out the respective modules that have been disconnected
Maintenance.
Further, the transformer oil oxidation test control system also includes transfer valve, and oxygen passes through the transfer valve
Enter the flow module afterwards.Specifically, the transfer valve has three branching blocks, each branching block is respectively provided with four tunnels and gone out
Mouthful, i.e., totally ten two outlets, this 12 outlets are each leading into 12 different testing stands after the flow module
In frame.The input being provided for oxygen of the branching block carries out uniform divided flows so that entering the oxygen each exported will not
Difference is too big, to reduce the work difficulty of flow module.The structure of the branching block be it is known in those skilled in the art,
Therefore just repeat no more herein.
Further, it is equipped with stop valve in every way outlet in the branching block.When flow module goes wrong, work
Control machine can according to circumstances by certain all the way or a few roads or all stop valves are closed, with the security of guarantee test.
The embodiment of the present invention also provides a kind of control method of above-mentioned transformer oil oxidation test control system, and it includes：
The thermal module has two sets of control loops of master control and secondary control, and the pair is controlled for master control described in track protection,
When the master control is uncontrollable or deviates preset range, control loop is switched to the secondary control, same Times by the industrial computer
It is alert.
In addition, staff also can hand-operated forced switching master control and secondary control control loop, with for wherein without using
Control loop is overhauled or it is rested and reorganized, and extends its service life.
Further, the thermal module has one-level, two from low to high according to the temperature of oil product in the test-bed
Level, three-level alarm mode, the one-level, the alarm signal of secondary alarm pattern are controlled by the industrial computer, the three-level alarm
The alarm signal of pattern is controlled by the acquisition control module.The alarm signal of three-level alarm module is directly and acquisition control module
It is connected, has got around industrial computer, this time is designed with two purposes：One is the dual fail-safe of construction systems；Two be in industrial computer defect,
Keep the safe operation of control system most lowest limit degree.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these of the present invention change the scope for belonging to the claims in the present invention and its equivalent technologies with modification
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of transformer oil oxidation test control system, it is characterised in that including industrial computer, acquisition control module, temperature mould
Block, flow module, compression module, execution relay and multiple test-beds, the thermal module, flow module and compression module
Be connected with each equal telecommunications of test-bed, and respectively to the test-bed carry out temperature control, oxygen flux control and
Voltage is controlled, and the industrial computer controls the thermal module, flow module and compression module by the acquisition control module
Switch, the execution relay is connected with the thermal module, flow module and compression module telecommunications respectively, and is occurred in experiment
The power supply of respective modules is disconnected when abnormal.
2. transformer oil oxidation test control system according to claim 1, it is characterised in that the acquisition control module
The flow information and information of voltage of the flow module and compression module can also be gathered respectively, and are fed back to the industry control
Machine.
3. transformer oil oxidation test control system according to claim 1, it is characterised in that also including dc source,
The dc source passes through the execution relay and the acquisition control module, thermal module, flow module and compression module
Telecommunications is connected, and the industrial computer is directly connected with the dc source telecommunications.
4. transformer oil oxidation test control system according to claim 1, it is characterised in that also including TEMP
Device, the temperature sensor is arranged on the stand, and is connected with the thermal module telecommunications.
5. transformer oil oxidation test control system according to claim 1, it is characterised in that also including alarm, institute
Alarm is stated to be connected with the execution relay telecommunications.
6. transformer oil oxidation test control system according to claim 1, it is characterised in that also including transfer valve, oxygen
Gas is by entering the flow module after the transfer valve.
7. transformer oil oxidation test control system according to claim 6, it is characterised in that the transfer valve has three
Individual branching block, each branching block is respectively provided with four way outlets.
8. transformer oil oxidation test control system according to claim 7, it is characterised in that every in the branching block
Stop valve is equipped with way outlet.
9. a kind of control method of transformer oil oxidation test control system as described in any one of claim 1 to 8, its feature
It is, including：
The thermal module has two sets of control loops of master control and secondary control, and the pair is controlled for master control described in track protection, works as institute
When stating uncontrollable master control or deviation preset range, control loop is switched to the secondary control, same alarm by the industrial computer.
10. the control method of transformer oil oxidation test control system according to claim 9, it is characterised in that described
Thermal module has one-level, two grades, three-level alarm mode, described one from low to high according to the temperature of oil product in the test-bed
Level, the alarm signal of secondary alarm pattern are controlled by the industrial computer, and the alarm signal of the three-level alarm mode is adopted by described
Collect control module control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671496.9A CN107300612A (en) | 2017-08-08 | 2017-08-08 | Transformer oil oxidation test control system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671496.9A CN107300612A (en) | 2017-08-08 | 2017-08-08 | Transformer oil oxidation test control system and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN107300612A true CN107300612A (en) | 2017-10-27 |
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ID=60133722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671496.9A Pending CN107300612A (en) | 2017-08-08 | 2017-08-08 | Transformer oil oxidation test control system and its control method |
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| CN (1) | CN107300612A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650361A (en) * | 2020-04-27 | 2020-09-11 | 中电华创电力技术研究有限公司 | Electric power oil mixing test device |
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| CN207020182U (en) * | 2017-08-08 | 2018-02-16 | 中国石油化工股份有限公司 | Transformer oil oxidation test control system |
-
2017
- 2017-08-08 CN CN201710671496.9A patent/CN107300612A/en active Pending
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| US20100109883A1 (en) * | 2007-03-20 | 2010-05-06 | Eduardo Pedrosa Santos | Temperature monitoring system for power transformers submerged in oil |
| CN102384929A (en) * | 2010-09-03 | 2012-03-21 | 中国石油化工股份有限公司 | Experimental control method for evaluating service life of transformer oil |
| CN102384969A (en) * | 2010-09-03 | 2012-03-21 | 中国石油化工股份有限公司 | Evaluation method on transformer oil |
| CN102384968A (en) * | 2010-09-03 | 2012-03-21 | 中国石油化工股份有限公司 | Test device for evaluating service life of transformer oil |
| CN202221537U (en) * | 2011-07-25 | 2012-05-16 | 中国石油化工股份有限公司 | Electric control system of transformer oil stand tester |
| CN102520278A (en) * | 2011-12-07 | 2012-06-27 | 中国电力科学研究院 | Device used for thermal stability and temperature rise test of transformer sleeve |
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Non-Patent Citations (1)
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|---|---|---|---|---|
| CN111650361A (en) * | 2020-04-27 | 2020-09-11 | 中电华创电力技术研究有限公司 | Electric power oil mixing test device |
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Application publication date: 20171027 |