CN107221411A - Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device - Google Patents
Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device Download PDFInfo
- Publication number
- CN107221411A CN107221411A CN201710445847.4A CN201710445847A CN107221411A CN 107221411 A CN107221411 A CN 107221411A CN 201710445847 A CN201710445847 A CN 201710445847A CN 107221411 A CN107221411 A CN 107221411A
- Authority
- CN
- China
- Prior art keywords
- oil
- strain
- oil strain
- tank
- totally
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The present invention relates to extra-high voltage transformer oil strain field, and in particular to a kind of extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device.Totally-enclosed oil strain controls the switching of oil strain oil tank by installing electromagnetism single control valve additional in tank bottom interface.Totally-enclosed oil strain connection scheme passes through by installing three ports additional on oil transportation main pipeline, oil transportation main pipeline is connected into two two-position three way magnetic valves respectively, two-position three way magnetic valve is connected into oil filter, pass through Stateful Inspection and real-time monitoring of the control module to parameters such as flow, temperature, and as the switching of criterion control valve position, complete circulating oil filtering work.Totally-enclosed oil strain connection scheme is used as oil-out and oiler simultaneously by bottom interface, completes the oiling during oil strain and fuel-displaced process.Pneumostome connected with pipeline on oil tank simultaneously, and is connected to and concentrates respirator so that the air in turnover oil tank is only internally circulated, prevents the air of outside from into tank body.
Description
Technical field
The present invention relates to extra-high voltage transformer oil strain field, and in particular to a kind of extra-high voltage transformer insulating oil is totally-enclosed certainly
Dynamic control oil strain method and device.
Technical background
In order to improve transformer insulation oil oil strain efficiency in extra-high voltage project, mitigate the labor intensity of staff, eradicate
The possibility of maloperation, domestic relevant unit has also tentatively carried out the research of related oil strain control system.Wherein, power transformation is sent in Henan
Zhang Guozhi of Construction Company etc., which is proposed, can automatically control the Full-automatic oil filtering system of oil tank magnetic valve opening and closing, and the system is with fuel-displaced
The opening and closing of valve and inlet valve instead of traditional artificial pipeline switch operating, according to the oil level information that monitors and can weave
Control program, can be achieved tank switching and single tank oil strain, also neatly can directly control magnetic valve.But still need to close during switch valve
Vacuum oil-filter, and easily occur maloperation.Then have also been proposed and hand switch valve is substituted with magnetic valve and fuel level sensor
With the improvement project of artificial judgment switch time.Tank interior oil mass is monitored by fuel level sensor, related data is uploaded to
Sub-controller, sub-controller, by the demand modeling delivery valve and the on off state of inlet valve being previously set, is adjusted according to this as criterion
UNICOM's logic of whole oil circuit.The advantage automatically controlled can be realized by having compared with the system before improvement, further liberated manpower into
This, improves efficiency.But the system also has its weak point, first when installing fuel level sensor, it is necessary to change to oil tank
Dress, but oil tank is provided by corresponding manufacturer, most of is customed product, and so operation has certain potential safety hazard；Next does not have
There is the real-time monitoring realized to oil temperature, be also a kind of potential risk；Third, needing every one oil level of tank in multiple tank cluster application
Sensor, can cause cost to rise, and make it that wiring complexity is too high, be easily caused the system failure.In addition, Hubei send power transformation public
Department it is also proposed a kind of totally-enclosed oil filtering system of manual type control.What the oil filtering system that Hubei Electric Power Transmission ＆ transformation Company proposes was used
It is artificial control mode, by staff's manual switching control valve and oil filter, field personnel's amount of labour is big, oil filter
Frequent switching start and stop, oil strain operating efficiency is relatively low.
Therefore, how rational solution is proposed regarding to the issue above, so as to lift the automation of live oil strain work
Degree, farthest cuts operating costs and risk, dramatically lifts operating efficiency, the oil strain of transformer oil is worked
Efficiently carry out in order, as it is in the urgent need to address the problem of.
The content of the invention
For realizing the totally-enclosed requirement for automatically controlling oil strain of extra-high voltage transformer insulating oil, the present invention proposes a kind of extra-high
Pressure transformer insulating oil is totally-enclosed to automatically control oil strain method and device.
The technical scheme is that, extra-high voltage transformer insulating oil of the invention is totally-enclosed automatically control oil filtering system by
Oil tank, respirator, two-position three way magnetic valve, flow sensor, temperature sensor, oil filter, sub-controller and Stateful Inspection
Constituted with control module.Monitored, and sentenced using instantaneous delivery as switching by the instantaneous delivery to transformer oil during oil strain
According to, while total flow is monitored, and using total flow as standby optional transfer criterion, duplicate protection is played in the double criterions switchings of formation
Effect, improves the stability and security of system.Different according to live oil tank quantity and the scope of application, the system is divided into double oil
Tank Full-automatic oil filtering system and oil tank cluster Full-automatic oil filtering system.
The totally-enclosed oil strain of oil tank cluster oil filtering system installs electromagnetism single control valve additional in tank bottom interface, and filter is controlled with this
The switching of oil tank.Totally-enclosed oil strain connection scheme is only connected by the interface of bottom one with oil pipeline, by each oil tank oil transportation
Pipeline is incorporated to oil transportation main pipeline.By installing three ports additional on oil transportation main pipeline, oil transportation main pipeline is connected two two respectively
Three-way magnetic valve, oil filter is connected by two-position three way magnetic valve, by Stateful Inspection and control module to parameters such as flow, temperature
Real-time monitoring, and as the switching of criterion control valve position, complete circulating oil filtering work.Totally-enclosed oil strain connection scheme passes through
Bottom interface completes the oiling during oil strain and fuel-displaced process simultaneously as oil-out and oiler.Single interface connection is reduced
The interface that oil tank is contacted with external environment condition, while connecting pneumostome with pipeline on oil tank, and is connected to concentration respirator.
Compared with prior art, the beneficial effects of the invention are as follows：1）The automaticity of the live oil strain work of lifting, it is maximum
Cut operating costs to degree and risk, dramatically lift operating efficiency, the oil strain of transformer oil is worked efficient in order
Ground is carried out.
2）During oil processing, the air in turnover oil tank is only internally circulated, and prevents the air of outside from entering tank
Body, reduces influence of the ambient atmos to transformer oil to greatest extent, and farthest the impurity such as moisture excessively in air filtering, has
Beneficial to oil tank seal is kept, strengthen oil tank sealing effectiveness, it is ensured that the quality of transformer oil, improve oil strain efficiency, reach complete close
The purpose of oil sealing processing.
Brief description of the drawings
The totally-enclosed oil strain connection figure of Fig. 1 oil tank cluster oil filtering systems.
Fig. 2 oil tank cluster oil filtering system switch board schematic diagrames.
Fig. 3 two-position three way magnetic valve control algolithm flow charts.
The many oil tank Full-automatic oil filtering system flow charts of Fig. 4.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is elaborated.It is emphasized that what the description below was merely exemplary,
The scope being not intended to be limiting of the invention and its application.
Fig. 1 is the totally-enclosed oil strain connection figure of oil tank cluster oil filtering system, wherein 101 Stateful Inspections and control module pass through shape
Real-time monitoring to parameters such as flow, temperature, and as the switching of criterion control valve position, circulating oil filtering work is completed, 102 exhale
Haustorium is connected to pneumostome with pipeline so that the air in turnover oil tank is only internally circulated, and prevents the air of outside from entering
Tank body, reduces influence of the ambient atmos to transformer oil to greatest extent, farthest the impurity such as moisture excessively in air filtering,
Improve the quality of oil.103 oil tanks 0 are empty oil tank, during oil strain with and need to carry out the oil tank progress circulating oil filtering of oil strain.
104 temperature sensors are used to detect oil temperature, and temperature signal is reached into Stateful Inspection and control module, realize to oily during oil strain
The detection of temperature.105 flow sensors are used to detect flow velocity oily in pipeline, and the flow velocity signal of oil is reached into Stateful Inspection and control
Module, realizes the control to oil strain during oil strain.106 oil filters are used for extra-high voltage transformer insulating oil oil strain.107 2 three
Port valve is connected to oil tank main pipeline, realizes the control flowed to transformer oil in pipeline.108, which represent scene, needs to carry out the 1- of oil strain
N oil tanks.109 be single control valve, realizes the control in cluster oil strain to oil strain oil tank.
Fig. 2 be oil tank cluster oil filtering system switch board schematic diagram, switch board by with fuel level sensor, temperature sensor with
And the signal communication between flow sensor receives signal, and control letter is sent by the signal communication between magnetic valve
Number.According to the difference of on-site actual situations, while in order to adapt to for the oil strain work under the conditions of a variety of, switch board is divided into adaptation
For double oil tank oil filtering systems and oil tank cluster oil filtering system two types, oil tank oil filtering system switch board is by 201 touch control operations
Screen, 202 Operation switches, 203 magnetic valve hand switches, 204 indicator lamps, 205 service tank display screens composition.201 touch-screens are used
The oily flow velocity during the pressure in current oil tank, oil temperature and current oil strain is shown in real time；Simultaneously can be on the touchscreen
The flow velocity of oil and the time of oil strain are set.202 Operation switches are used to select oil strain state, realize switching automatically and manually and
Control stops the process of oil strain manually.203 magnetic valve hand switches are used to control oil strain process manually.204 indicator lamps are used to refer to
Show the state of current electromagnetic valve.205 service tank display screens are used to show currently just in the oil tank of oil strain.Switch board is simply easily grasped
Make, staff can grasp equipment application method as quick as thought, equipment design is respectively set during concisely showing oil strain
Standby real-time status.
Fig. 3 is two-position three way magnetic valve control algolithm flow chart, starts before oil filtering system, first resets magnetic valve, and remember
Record initial valve position, initialization timer and counter.Run time is preset in operation interface and number of times is poured in down a chimney in circulation, also can be independent
From run time or cycle-index as unique criterion, the related parameter values for being intended to shielding are set to 0.Tank body total capacity
For optional Protection criteria, without using the Protection criteria if " 0 " value is set to.If being not provided with the parameter, start after oil filtering system,
Timer starts timing, it is assumed that original state is that, when starting oil strain, instantaneous delivery can gradually be shaken by 0 from tank 1 to the oil strain of tank 2
Swing and rise to regime flow, when in tank 1 oil gradually filtering finish when, instantaneous delivery can progressively be shaken by regime flow and drop to 0,
Uphill process and decline flow in process show unstable.Therefore, the instantaneous stream that setting liquid flow sensor is monitored
Value is reached after the threshold value of a certain setting（The threshold value is slightly below system regime flow）, that is, think that oil filter is normally carried out work.
With the progress of oil strain process, when the transformer oil in an oil tank is poured into another oil tank completely by oil filter, this
When the instantaneous delivery that monitors of liquid flow sensor be gradually reduced, until being 0.After instantaneous delivery is 0, due to itself and shakiness
It is fixed, therefore certain time delay is set, that is, reach after the duration that instantaneous delivery is 0 state, change fluid flow sensing
The signal condition of device is changed into, if not up to, that is, triggering the differential operation between magnetic valve, completes a valve position switching action.It is complete
Into after a handover operation, whether system meeting automatic decision current valve position state is consistent with initial valve position, if unanimously, oil strain
Frequency n=n+1, if inconsistent, skips counting, returns to circulation.Complete after once counting, judge whether current count value n reaches
Default cycle-index, and judge whether present timing t reaches preset value（Walked if cycle-index is only enabled as criterion without this
Suddenly）If two conditions are satisfied by, that is, terminate oil strain operation, continue cycling through and pour in down a chimney if not meeting.If only enabling timing criterion,
When timing t reaches preset value, the differential operation between magnetic valve is not triggered, starts self-retaining function, the circulatory system is closed, and is protected
Existing oil strain state is held, until terminating oil strain operation.
Fig. 4 is many oil tank Full-automatic oil filtering system flow charts, is started after Full-automatic oil filtering system, first state-detection and control
The single tank oil filtration time of molding block setting, single tank circulation tank switching number of times and tank body capacity, then set the combination of oil strain oil tank and
Oil strain order.The switching of valve position is carried out by basis for estimation of instantaneous delivery, circulation tank switching oil strain is realized, then judges whether to reach list
Tank oil filtration time, if beyond setting time, then it is assumed that break down to need to alarm during oil strain and terminate oil strain, if not reaching
Setting time then judges whether to reach default tank body capacity occur the needs alarm of oil strain failure if exceeding and terminate oil strain.If not yet
Then single oil strain integrated flux is reset beyond setting capacity, judges whether to reach default tank switching number of times, if being not reaching to
Tank switching oil strain is continued cycling through, next oil tank is switched to if reaching and starts oil strain until set oil tank is fully completed into filter
Oil.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (2)
1. a kind of extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device, it is characterised in that realize automatic control
Oil strain processed, it is characterised in that in oil strain circulation, by being monitored to time, oil temperature, flow velocity and oil strain cycle-index, is realized to electricity
The control of magnet valve break-make, by studying application of the configuration software in Full-automatic filtering EFM Electronic Fuel Management, so as to realize many
Fill the full-automatic oil strain work of cluster, realize transformer oil it is automatic, rapidly, continuously detect, and show work in real time fashion
Process and each parameter state, realize many full-automatic oil strains of oil tank cluster, realize a variety of oil strain logical combinations, can realize oil tank
Between automatic switchover, without oil strain work in manually switch oil tank.
2. extra-high voltage transformer insulating oil according to claim 1 is totally-enclosed to automatically control oil strain method and device, it is special
Levy and be to realize the totally-enclosed of oil strain process, influence of the ambient atmos to transformer oil is reduced to greatest extent, at utmost
The impurity such as the moisture that ground is crossed in air filtering, are conducive to keeping oil tank seal, strengthen oil tank sealing effectiveness, it is ensured that transformer oil
Quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710445847.4A CN107221411A (en) | 2017-06-14 | 2017-06-14 | Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710445847.4A CN107221411A (en) | 2017-06-14 | 2017-06-14 | Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107221411A true CN107221411A (en) | 2017-09-29 |
Family
ID=59948608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710445847.4A Pending CN107221411A (en) | 2017-06-14 | 2017-06-14 | Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107221411A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210124A (en) * | 2021-11-29 | 2022-03-22 | 国家电网有限公司 | Automatic insulating oil treatment device for extra-high voltage converter station |
| CN114217652A (en) * | 2021-11-29 | 2022-03-22 | 国家电网有限公司 | Automatic control method for processing insulation oil of extra-high voltage converter station |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604571A (en) * | 2009-04-15 | 2009-12-16 | 青海送变电工程公司 | Totally-closed transformer oil treatment system |
| CN203850103U (en) * | 2014-05-12 | 2014-09-24 | 昆山佑翔电子科技有限公司 | Transformer oil two-way filtering device |
| CN105632707A (en) * | 2015-12-27 | 2016-06-01 | 国家电网公司 | Oil inlet and outlet reversing structure for oil filtering machine of transformer |
| CN206041290U (en) * | 2016-09-29 | 2017-03-22 | 国家电网公司 | Oil affair processing system of transformer substation |
-
2017
- 2017-06-14 CN CN201710445847.4A patent/CN107221411A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604571A (en) * | 2009-04-15 | 2009-12-16 | 青海送变电工程公司 | Totally-closed transformer oil treatment system |
| CN203850103U (en) * | 2014-05-12 | 2014-09-24 | 昆山佑翔电子科技有限公司 | Transformer oil two-way filtering device |
| CN105632707A (en) * | 2015-12-27 | 2016-06-01 | 国家电网公司 | Oil inlet and outlet reversing structure for oil filtering machine of transformer |
| CN206041290U (en) * | 2016-09-29 | 2017-03-22 | 国家电网公司 | Oil affair processing system of transformer substation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210124A (en) * | 2021-11-29 | 2022-03-22 | 国家电网有限公司 | Automatic insulating oil treatment device for extra-high voltage converter station |
| CN114217652A (en) * | 2021-11-29 | 2022-03-22 | 国家电网有限公司 | Automatic control method for processing insulation oil of extra-high voltage converter station |
| CN114217652B (en) * | 2021-11-29 | 2023-01-20 | 国家电网有限公司 | Automatic control method for processing insulation oil of extra-high voltage converter station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107221411A (en) | Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device | |
| CN104659759B (en) | The intelligent operating mechanism of high voltage isolator | |
| CN104913179B (en) | A kind of automatic lubricating system | |
| CN204678019U (en) | A kind of Lubrication Control System of multiple-channel output | |
| CN209067390U (en) | It can self-draining fuel system | |
| CN105854443A (en) | Remote intelligent bag-type dust collector dust removal control system and control method thereof | |
| CN107339495A (en) | Governor valve control method, apparatus and air-conditioning | |
| CN106196224A (en) | The intelligent object of fume purifying all-in-one and the method for fume purifying | |
| CN204333925U (en) | Motor automatic fault detection system | |
| CN105782542B (en) | Building gas riser based on wireless transmission automatically cuts off blowdown system and method | |
| CN105446257A (en) | Oil temperature monitoring system for oil-immersed transformer | |
| CN204302749U (en) | A kind of integrated form compressor control cabinet | |
| CN207035250U (en) | A kind of smoke exhaust ventilator with filter screen life tests | |
| CN115264872A (en) | Method and device for controlling kitchen air conditioner, kitchen air conditioner and storage medium | |
| CN205981673U (en) | Push -pull valve fault diagnostic | |
| CN204413380U (en) | Water remover and spot-welded system thereof more than welding gun | |
| CN204940427U (en) | Power station life fire fighting supply intelligence control system | |
| CN103683891A (en) | Frequency converter control circuit and method and speed control system | |
| CN204456295U (en) | Discharge switch and automatic pump controller | |
| CN106154970A (en) | A kind of jiggering controls loop | |
| CN203706000U (en) | Temperature and humidity automatic control device for cloth filter control cabinet | |
| CN209693321U (en) | A kind of cooling clear blowing apparatus of cigarette machine electrical cabinet | |
| CN103055548A (en) | Remote control automatic centrifugal oil purification system | |
| CN205796731U (en) | The defecator that can work continuously and pressure system | |
| CN207485651U (en) | Electric power tunnel can locally and the double water pump switching control of remote control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170929 |