CN106710807B - Transformer intelligent air-cooling system and its control method - Google Patents
Transformer intelligent air-cooling system and its control method Download PDFInfo
- Publication number
- CN106710807B CN106710807B CN201611086789.2A CN201611086789A CN106710807B CN 106710807 B CN106710807 B CN 106710807B CN 201611086789 A CN201611086789 A CN 201611086789A CN 106710807 B CN106710807 B CN 106710807B
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- air cooling
- cooling equipment
- switching
- module
- control
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- 238000001816 cooling Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 230000001012 protector Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims 1
- 238000011217 control strategy Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- H01F27/085—Cooling by ambient air
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Abstract
The present invention provides transformer intelligent air-cooling systems; including microprocessor module, several air cooling equipments and power module; the air cooling equipment includes wind turbine; the microprocessor module is connected with transformer oil temperature sensor, fan power handover module, switching protective device and control and display device; the switching protective device includes solid-state relay and motor protector; the solid-state relay is connected with contactor, and control and display device include change-over switch, control panel and display panel.By adopting the above-described technical solution, this hair switching protection module replaces the switching of A.C. contactor control air cooling equipment.System is when microprocessor program generates switching decision, using the control strategy for having difference nargin switching threshold values, it is possible to prevente effectively from the problem of air cooling equipment frequent switching.
Description
Technical field
The present invention relates to transformer air-cooled control technology field, more particularly to a kind of transformer intelligent air-cooling system with
Its control method.
Background technology
The main circuit of traditional transformer air-cooled control system uses the power supply mode of single supply, and control assembly is using contact
Device and relay logic controller realize the switching to air cooling equipment by mechanical contact, are realized and protected by electrothermal relay.Tradition
Transformer air-cooled control system there are control loops it is complicated, reliability is low, high failure rate, big maintenance workload the defects of.It passes
The transformer air-cooled control system of system control air cooling equipment automatic switching on usual way be：Set fixed temperature valve
Value, temperature of oil in transformer are more than the threshold values actuating of relay, put into " auxiliary " air cooling equipment, and top-oil temperature will be thrown less than the threshold values of setting
" auxiliary " air cooling equipment excision entered.The shortcomings that this way is：When transformer temperature is when set temperature near threshold fluctuates,
It will cause the frequent switching of air cooling equipment.
Invention content
The technical problem to be solved by the present invention is to overcome drawbacks described above, a kind of perfect in shape and function is provided, is easy to extension, convenient for dimension
Shield, transformer intelligent air-cooling system and its control method safe and reliable to operation.
To solve the above problems, the technical solution adopted in the present invention is：
Transformer intelligent air-cooling system, including microprocessor module, several air cooling equipments and power module, the air-cooled dress
It sets including wind turbine, the microprocessor module is connected with transformer oil temperature sensor, fan power handover module, switching protection dress
It sets and controls and display device, the switching protective device include solid-state relay and motor protector, the solid-state relay
Device is connected with contactor, and control and display device include change-over switch, control panel and display panel.
As an improvement：The microprocessor module is connected with state-signal collection module, the state-signal collection module connection
There are wireless communication module, the wireless communication module to be connected with system main website server.
As an improvement：The fan power handover module includes common power supply, stand-by power supply, commonly uses power supply and control and break
Road device and stand-by power supply control breaker.
As an improvement：The air cooling equipment further includes temp and humidity regulator, and the temp and humidity regulator includes
Air inlet, radiator, humidifier, heater and the gas outlet set gradually further includes that air pump avoids pipe and dehumidifier, described to dissipate
Hot device is arranged in parallel with evacuation pipe, and the humidifier is arranged in parallel with dehumidifier, equipped with the between the air inlet and radiator
One flow direction controller, first flow direction controller include two output ends, and one of output end connects with radiator input terminal
It connects, another output end is connect with evacuation pipe input terminal；The second flow direction controller is equipped between the radiator and humidifier, the
Two flow direction controllers include two output ends, and one of output end connect with humidifier input terminal, another output end with remove
Wet device input terminal connection, the second flow direction controller input terminal are connect with radiator and evacuation pipe output end, and the wind turbine is set
It is placed in gas outlet.
Transformer intelligent air-cooling system control method, including five kinds of manual, automatic, long-range, intelligence, stopping patterns：
Manual mode, manual switching air cooling equipment switch over operation, hand-reset fault-signal, institute to power module
It states microprocessor module and system related information is transmitted to by the display panel by itself programming port.
Automatic mode is realized the automatic cycle switching operation of air cooling equipment, the microprocessor mould by microprocessor module
The accumulated running time of block self-clocking air cooling equipment and accumulative dwell time, when transformer top-oil temperature is less than oil temperature lower limit
Accumulated running time longest air cooling equipment is cut off successively, and when transformer top-oil temperature is higher than the oil temperature upper limit, input is accumulative successively
The shortest air cooling equipment of run time.System related information is transmitted to described by the microprocessor module by itself programming port
Display panel.
Remote mode, the microprocessor module is periodically by the monitoring of temperature of oil in transformer, air cooling equipment, two sections of electrical source of power
The switching signal of signal and breaker is transmitted to system main website server by the wireless communication module, and operating personnel can be with
Long-range switching air cooling equipment is realized in the system main website server at master control room or regulation and control center, it can also be remotely to electrical source of power
It switches over operation or resets fault-signal.
Intelligent mode is assigned the automatic cycle switching operation that air cooling equipment is realized in instruction by microprocessor, or is received from mistake
The remote operation of system main website server, system information will be simultaneously displayed on the display panel and long-range main website server.
Stop mode, fan power switching device disconnect the operation power of air cooling equipment, and the purpose that this pattern is arranged is,
When being overhauled to air cooling equipment, prevents air cooling equipment accidental activation, influences service work safety.
By adopting the above-described technical solution, this hair switching protection module replaces the throwing of A.C. contactor control air cooling equipment
It cuts.The motor protector replaces electrothermal relay to realize to the short circuit of fan electromotor, overload, stall and open-phase protection.Institute
State fan power handover module and provide two road independent current sources power supplies to air cooling equipment, can select by switch all the way power supply be commonly use it is electric
Source is all the way stand-by power supply；When power failure occurs, air cooling system can send out power failure signal and put into standby electricity in time
Source, the reliability powered with Guarantee control system.System can according to the variation automatic cycle of the environment such as temperature of oil in transformer put into or
Air cooling equipment is exited, temperature of oil in transformer is enable to be stored within the temperature range of setting, system background server can also be utilized real
Now to the long-range switching of air cooling equipment.System is when microprocessor program generates switching decision, using there is difference nargin switching valve
The control strategy of value, it is possible to prevente effectively from the problem of air cooling equipment frequent switching.
The invention will be further described with reference to the accompanying drawings and examples.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of transformer intelligent air-cooling system of the present invention；
Attached drawing 2 is the connection structure signal of humidifier in transformer intelligent air-cooling system of the present invention, dehumidifier, heater
Figure；
Attached drawing 3 is the structural schematic diagram of flow direction controller in transformer intelligent air-cooling system of the present invention；
Attached drawing 4 is the overlooking structure diagram of Fig. 3；
Attached drawing 5 is the structural schematic diagram of baffle in transformer intelligent air-cooling system of the present invention；
Attached drawing 6 is the structural schematic diagram of first rotating shaft in transformer intelligent air-cooling system of the present invention；
Attached drawing 7 is the use state diagram of first rotating shaft in transformer intelligent air-cooling system of the present invention；
Attached drawing 8 is the structural schematic diagram of part A-A in Fig. 7.
In figure：1- radiators；2- evacuation pipes；3- humidifiers；4- dehumidifiers；5- heaters；The first flow direction controllers of 6-；7-
Air pump；8- return ducts；9- air inlets；The gas outlets 10-；11- tube bodies；12- counterbores；13- electromagnet；14- first rotating shafts；15- is kept off
Plate；16- operating levers；The first output ends of 17-；18- second output terminals；19- casings；20- jacks；21- magnet；22- notches；23-
Interconnecting piece；The second shafts of 24-；25- circular holes；26- sliding slots；27- heads；28- partition boards；The second flow direction controllers of 29-；30- thirds
Flow direction controller.
Specific implementation mode
Embodiment 1：
As shown in Figure 1, 2, transformer intelligent air-cooling system, including microprocessor module, several air cooling equipments and power supply mould
Block, the air cooling equipment include wind turbine, and the microprocessor module is connected with transformer oil temperature sensor, fan power switching mould
Block, switching protective device and control and display device, the switching protective device include solid-state relay and motor protector,
The solid-state relay is connected with contactor, and control and display device include change-over switch, control panel and display panel.
The solid-state relay can eliminate in time power supply switching when electric arc, prevent the frequent break-make of the air cooling equipment to
Contacts of contactor causes to burn.
The motor protector is realized to the short circuit of air cooling equipment, overload, stall and open-phase protection.
It is selective that the change-over switch provides " manual " " automatic " " long-range " " intelligence " " stopping " five kinds of positions.
The various failures, operating status and microprocessor mould of power supply and air cooling equipment can be shown on the display panel
The information such as block operating status.
The microprocessor module is connected with state-signal collection module, and the state-signal collection module is connected with wireless telecommunications mould
Block, the wireless communication module are connected with system main website server.
The fan power handover module includes common power supply, stand-by power supply, common power supply control breaker and standby electricity
Source controls breaker.There are mechanical interlocking and electrical connection between the common power supply control breaker, stand-by power supply control breaker
Lock duplicate protection.
The air cooling equipment further includes temp and humidity regulator, and the temp and humidity regulator includes the air inlet set gradually
Mouth 9, radiator 1, humidifier 3, heater 5 and gas outlet 10 further include air pump 7, evacuation pipe 2 and dehumidifier 4, the radiator
1 is arranged in parallel with evacuation pipe 2, and the humidifier 3 is arranged in parallel with dehumidifier 4, is equipped between the air inlet 9 and radiator 1
First flow direction controller 6, first flow direction controller 6 include two output ends, and one of output end is inputted with radiator 1
End connection, another output end are connect with evacuation 2 input terminal of pipe；The second flow direction is equipped between the radiator 1 and humidifier 3 to control
Device 29 processed, the second flow direction controller 29 include two output ends, and one of output end is connect with 3 input terminal of humidifier, another
A output end is connect with 4 input terminal of dehumidifier, and 29 input terminal of the second flow direction controller is exported with radiator 1 and evacuation pipe 2
End connection, the wind turbine are set to gas outlet 10.
The radiator 1 is radiated using cooling fin, and the humidifier 3 uses ultrasonic atomizing humidifier, the heater 5 to make
With heating wire, the dehumidifier 4 uses hygroscopic agent.
The air inlet 9 and gas outlet 10 are equipped with filter screen.
The air pump 7 is set between air inlet 9 and the first flow direction controller 6, and 5 output end of the heater is equipped with third
Flow direction controller 30, the third flow direction controller 30 include two output ends, and one of output end is logical with 7 input terminal of air pump
The connection of return duct 8 is crossed, another output end is connect with gas outlet 10.If 5 output end gas humiture of heater cannot reach
It is required that then reentering air pump 7.
As shown in Figure 3,4, first flow direction controller, 6 or second flow direction controller 29 or third flow direction controller 30 wrap
Tube body 11 is included, partition board 28,28 end baffle 15 of the partition board are equipped in the tube body 11, the baffle 15 is connected with control baffle
15 driving device.
As shown in figure 5, the baffle 15 is equipped with magnet 21, the driving device includes several electromagnet 13, the electromagnetism
On 13 tube body 11 of iron.
The tube body 11 is round tube, and tube body 11 is separated into two cavitys by the partition board 28, and two cavitys are separately connected
It is semicircle to have the first output end 17 and second output terminal 18, the baffle 15, and the magnet 21 is set to 15 outer rim of baffle, institute
It states 11 end of tube body and is equipped with counterbore 12, several electromagnet 13 are set to 12 bottom surface of counterbore, the winding of 13 coil of adjacent electromagnet
Direction is opposite.
The tube body 11 is connected with casing 19 close to one end of baffle 15, and described sleeve pipe 19 is used as input terminal.
The driving device includes first rotating shaft 14, and the first rotating shaft 14 is fixedly connected with baffle 15, described first turn
14 end of axis is equipped with upper notch 22.
Notch 22 can be operated using screwdriver carry out control baffle 15.
As shown in Fig. 6,7 and 8, the first rotating shaft 14 is equipped with jack 20, and 20 side wall of the jack is equipped with sliding slot 26, described
26 upper end of sliding slot is equipped with circular hole 25, is rotated in the circular hole 25 and is provided with the second shaft 24,24 cross section of the second shaft is long
Degree is more than width, and 24 cross section of the second shaft can be ellipse or strip, and the strip edge is arc.
Second shaft 24 is connected with operating lever 16, and the jack 20 is connected to notch 22, the operating lever 16 and
One end of two shafts 24 connection is set in notch 22., 11 outside of the tube body is equipped with fixing groove.
When baffle 15 reach suitable position when, operating lever 16 inclination fell, fall into fixing groove, prevent first rotating shaft 14 after
Continuous rotation, the position of the fixing groove are corresponding with 15 operating position of baffle.
The operating lever 16 is equipped with head 27, and 27 outer diameter of the head is more than 20 internal diameter of jack.16 outer diameter of the operating lever
Less than 20 internal diameter of jack.
The operating lever 16 is cylinder, and the operating lever 16 is connected with interconnecting piece 23,23 width of the interconnecting piece with lack
Mouth 22 corresponds to.
In the present embodiment, microprocessor module may be used intel companies and produce E7200 microprocessors, and CPU uses Core
2Duo E720045nm processors, core type WolfdaleC, level cache are to refer to per core 32KB data buffer storages+32KB
It is 3MB to enable caching, L2 cache capacity.The level cache of built-in 128KB and the full speed L2 cache of 64KB, have low cost,
The advantages that low-power consumption and high-performance.The BF2-5H4 wind turbines of section's electromechanics Co., Ltd in Zhejiang may be used in wind turbine.Contactor uses
Be 65A (LC1) CJX2-6511 type A.C. contactors that Shanghai People's Electric Applicance Co., Ltd produces.Microprocessor uses RS-
485 connections are connected with state-signal collection module, and the YMD-DD32 types that swell latitude automatic control product can be used in state-signal collection module are distant
Believe that module, this module have logout store function, support 32 tunnel remote signals, supports passive dry node, work electricity
Pressure is alternating current-direct current 220V；The public wireless telecommunications series of GPRS/CDMA that Shenzhen section land electronics is produced can be used in wireless communication module
Product.The wireless network etc. used in the prior art may be used in wireless network, and communication is more convenient.
The course of work of temperature of oil in transformer automatic control system is：The variations such as transformer load or environment temperature cause transformation
The variation of device oil temperature, temperature of oil in transformer variation is acquired by temperature transmitter is sent into microprocessor module, microprocessor module root
According to program setting control strategy generate control air cooling equipment switching control decision, control decision by solid-state relay, connect
Tentaculum, fan power handover module, motor protector etc. control the switching of air cooling equipment, are controlled by the switching of air cooling equipment
The oil temperature of transformer.The control at scene is used for determining that the switching mode of air cooling equipment selects with display device.
In the present system, temperature of oil in transformer is controlled volume, microprocessor module device, solid-state relay, contactor in order to control
As executing agency, motor protector, fan power handover module are protective device, and air cooling equipment is as controlled device；Temperature
Controller is spent as transmitter, and the transformer load, winding temperature and the environment temperature that cause temperature of oil in transformer to change are regarded as
The external disturbance of control system.For temperature of oil in transformer automatic control system, it can only be made to maintain in a temperature range,
System, using the control strategy for having difference nargin switching threshold values, can effectively be kept away when microprocessor program generates switching decision
The problem of exempting from air cooling equipment frequent switching.
Embodiment 2：
Transformer intelligent air-cooling system control method, including five kinds of manual, automatic, long-range, intelligence, stopping patterns：
Manual mode, manual switching air cooling equipment switch over operation, hand-reset fault-signal, institute to power module
It states microprocessor module and system related information is transmitted to by the display panel by itself programming port.
Automatic mode is realized the automatic cycle switching operation of air cooling equipment, the microprocessor mould by microprocessor module
The accumulated running time of block self-clocking air cooling equipment and accumulative dwell time, when transformer top-oil temperature is less than oil temperature lower limit
Accumulated running time longest air cooling equipment is cut off successively, and when transformer top-oil temperature is higher than the oil temperature upper limit, input is accumulative successively
The shortest air cooling equipment of run time.System related information is transmitted to described by the microprocessor module by itself programming port
Display panel.
Remote mode, the microprocessor module is periodically by the monitoring of temperature of oil in transformer, air cooling equipment, two sections of electrical source of power
The switching signal of signal and breaker is transmitted to system main website server by the wireless communication module, and operating personnel can be with
Long-range switching air cooling equipment is realized in the system main website server at master control room or regulation and control center, it can also be remotely to electrical source of power
It switches over operation or resets fault-signal.
Intelligent mode is assigned the automatic cycle switching operation that air cooling equipment is realized in instruction by microprocessor, or is received from mistake
The remote operation of system main website server, system information will be simultaneously displayed on the display panel and long-range main website server.
Stop mode, fan power switching device disconnect the operation power of air cooling equipment, and the purpose that this pattern is arranged is,
When being overhauled to air cooling equipment, prevents air cooling equipment accidental activation, influences service work safety.
One embodiment of the present invention has been described in detail above, but the content be only the present invention preferable implementation
Example should not be construed as limiting the practical range of the present invention.It is all according to all the changes and improvements made by the present patent application range
Deng should all fall within the scope of the patent of the present invention.
Claims (4)
1. transformer intelligent air-cooling system, it is characterised in that：Including microprocessor module, several air cooling equipments and power module,
The air cooling equipment includes wind turbine, the microprocessor module be connected with transformer oil temperature sensor, fan power handover module,
Switching protective device and control and display device, the switching protective device include solid-state relay and motor protector, institute
It states solid-state relay and is connected with contactor, control and display device include change-over switch, control panel and display panel；
The air cooling equipment further includes temp and humidity regulator, and the temp and humidity regulator includes the air inlet set gradually
(9), radiator (1), humidifier (3), heater (5) and gas outlet (10) further include air pump (7), evacuation pipe (2) and dehumidifier
(4), the radiator (1) with evacuation pipe (2) be arranged in parallel, the humidifier (3) is arranged in parallel with dehumidifier (4), it is described into
The first flow direction controller (6) is equipped between gas port (9) and radiator (1), first flow direction controller (6) includes two outputs
End, one of output end are connect with radiator (1) input terminal, another output end is connect with evacuation pipe (2) input terminal；It is described
The second flow direction controller (29) is equipped between radiator (1) and humidifier (3), the second flow direction controller (29) includes two outputs
End, one of output end are connect with humidifier (3) input terminal, another output end is connect with dehumidifier (4) input terminal, described
Second flow direction controller (29) input terminal is connect with radiator (1) and evacuation pipe (2) output end, and the wind turbine is set to gas outlet
(10)；
The air pump (7) is set between air inlet (9) and the first flow direction controller (6), and heater (5) output end is equipped with
Third flow direction controller (30), the third flow direction controller (30) include two output ends, one of output end and reflux
(8) connection is managed, the return duct (8) connect with air pump (7) input terminal, another output end is connect with gas outlet (10)；
First flow direction controller (6) or the second flow direction controller (29) or third flow direction controller (30) include tube body
(11), partition board (28) is equipped in the tube body (11), partition board (28) end is equipped with baffle (15), baffle (15) connection
There is the driving device of control baffle (15).
2. transformer intelligent air-cooling system according to claim 1, it is characterised in that：The microprocessor module is connected with
State-signal collection module, the state-signal collection module are connected with wireless communication module, and the wireless communication module is connected with system master
Site server.
3. transformer intelligent air-cooling system according to claim 1, it is characterised in that：The fan power handover module packet
Include common power supply, stand-by power supply, common power supply control breaker and stand-by power supply control breaker.
4. transformer intelligent air-cooling system control method as claimed in claim 2, it is characterised in that：Including manual, automatic, remote
Journey, stops five kinds of patterns at intelligence：
Manual mode, manual switching air cooling equipment switch over operation to power module, and hand-reset fault-signal is described micro-
System related information is transmitted to the display panel by processor module by itself programming port；
Automatic mode is realized the automatic cycle switching operation of air cooling equipment by microprocessor module, and the microprocessor module is certainly
The accumulated running time of dynamic timing air cooling equipment and accumulative dwell time, successively when transformer top-oil temperature is less than oil temperature lower limit
Accumulated running time longest air cooling equipment is cut off, the accumulative operation of input successively when transformer top-oil temperature is higher than the oil temperature upper limit
System related information is transmitted to the display by time shortest air cooling equipment, the microprocessor module by itself programming port
Panel；
Remote mode, the microprocessor module is periodically by temperature of oil in transformer, the monitoring signal of air cooling equipment, two sections of electrical source of power
And the switching signal of breaker, system main website server is transmitted to by the wireless communication module, operating personnel can be in master
Long-range switching air cooling equipment is realized in the system main website server at control room or regulation and control center, and remotely electrical source of power can also be carried out
Handover operation resets fault-signal；
Intelligent mode is assigned the automatic cycle switching operation that air cooling equipment is realized in instruction by microprocessor, or is received from the system of mistake
The remote operation of main website server, system information will be simultaneously displayed on the display panel and long-range main website server；
Stop mode, fan power switching device disconnect the operation power of air cooling equipment, and the purpose that this pattern is arranged is, to wind
When device for cooling is overhauled, prevents air cooling equipment accidental activation, influences service work safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086789.2A CN106710807B (en) | 2016-11-30 | 2016-11-30 | Transformer intelligent air-cooling system and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086789.2A CN106710807B (en) | 2016-11-30 | 2016-11-30 | Transformer intelligent air-cooling system and its control method |
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| CN106710807A CN106710807A (en) | 2017-05-24 |
| CN106710807B true CN106710807B (en) | 2018-10-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109166705A (en) * | 2018-09-20 | 2019-01-08 | 国网黑龙江省电力有限公司检修公司 | A kind of intelligent control method that transformer forced oil is air-cooled |
| CN110081013B (en) * | 2019-05-21 | 2023-12-12 | 保定天威保变电气股份有限公司 | Control box capable of realizing fan rotation starting control under automatic state |
| CN110364331B (en) * | 2019-08-26 | 2020-09-29 | 陕西金源自动化科技有限公司 | Maintenance-free moisture absorber with state monitoring function and monitoring method |
| CN111297186A (en) * | 2020-02-23 | 2020-06-19 | 深圳市久大轻工机械有限公司 | Automatic temperature-adjusting intelligent water dispenser |
| CN111980842B (en) * | 2020-08-31 | 2022-07-26 | 广西桂冠电力股份有限公司大化水力发电总厂 | Hydraulic generator oil sump cooling control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117391Y (en) * | 2007-10-25 | 2008-09-17 | 韩会涛 | Transformer intelligent wind cooling control housing |
| JP2010003715A (en) * | 2008-06-18 | 2010-01-07 | Meidensha Corp | Air-cooled transformer |
| CN201413941Y (en) * | 2009-06-03 | 2010-02-24 | 山东泰开自动化有限公司 | Transformer intelligent air-cooling control cabinet |
| CN101943921B (en) * | 2010-08-10 | 2013-04-10 | 西安市双合软件技术有限公司 | Intelligent control method and intelligent control device of transformer cooling system |
| CN201910012U (en) * | 2011-01-11 | 2011-07-27 | 长沙开元仪器股份有限公司 | Temperature and humidity control system |
| CN202196323U (en) * | 2011-08-30 | 2012-04-18 | 成都锐达自动控制有限公司 | Main transformer cooling intelligent control system of hydroelectric station |
| CN204290487U (en) * | 2014-11-25 | 2015-04-22 | 国家电网公司 | Dry-type transformer intelligent monitoring and controlling device |
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