CN110136931A - Water cooling plant and its control method at the top of a kind of energy saving transformer - Google Patents
Water cooling plant and its control method at the top of a kind of energy saving transformer Download PDFInfo
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- CN110136931A CN110136931A CN201910487107.6A CN201910487107A CN110136931A CN 110136931 A CN110136931 A CN 110136931A CN 201910487107 A CN201910487107 A CN 201910487107A CN 110136931 A CN110136931 A CN 110136931A
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- 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
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- 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
- H01F27/16—Water cooling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The application discloses water cooling plant and its control method at the top of a kind of energy saving transformer, the water cooling plant, including top heat dissipation interlayer, heat-insulation and heat-preservation water tank, cooling water inlet pipe and cooling water outlet pipe, top heat dissipation interlayer is connected to heat-insulation and heat-preservation water tank by cooling water inlet pipe and cooling water outlet pipe, heat-insulation and heat-preservation water tank is provided with tap water inlet pipe, water service pipe and drainage tracheae, the function of realizing the storage of transformer top water-cooling and hot water and use；The control method, by the comprehensive analysis and judgement of the water level, hydraulic pressure, water temperature detection number of the intracorporal oil temperature of water cooling plant shell, oil level and heat-insulation and heat-preservation water tank, it is reliable to ensure to operate to realize the control to water cooling plant.The energy that transformer Cooling efficiency can be substantially improved in the embodiment of the present application, effective use transformer own loss generates；At outdoor, top heat dissipation interlayer can play the role of blocking solar radiation and absorb solar energy.
Description
Technical field
This application involves water cooling plant at the top of transformer technical field of heat dissipation more particularly to a kind of energy saving transformer and its
Control method.
Background technique
Power transformer is voltage transformation and electric energy transfer device important in substation.In voltage transformation and energy transmission
During, transformer itself will consume energy production zero load and load loss.In simple terms, transformer noload losses is to establish
To realize core loss caused by voltage transformation, transformer load loss is winding conducting wire caused by transmission energy in magnetic field
Resistance loss.For a 110kV 50000kVA three-circuit transformer, no-load loss about 40kW, load loss about 200kW,
About expend 5760 degree of electric energy within fully loaded one day, energy consumption is huge.
In the prior art, transformer gilled radiator is installed on the side of oil tank of transformer, passes through top oil inlet pipe, lower part
Oil return pipe be connected with oil tank of transformer.The heat generated when transformer station high-voltage side bus keeps transformer oil heated, and transformer oil is added
Expanded after heat and on float at the top of oil tank of transformer, and then enter at the top of radiator；After radiator heat-dissipation, under hot oil temperature
Drop, density increase and decline, and pass back into inside transformer by the oil return pipe of lower part.So circulation, the heat of the generation of transformer
It measures to scatter and disappear.Through analyzing, transformer top hot oil only passes through top oil inlet pipe and enters radiator, and what it is into radiator is only to become
Part hot oil at the top of depressor and far from whole；After hot oil enters chip cooling fin, hot oil layer region is also only chip and dissipates
One section of region of hot device top very little, rather than cooling fin is whole.Therefore under the efficiency to be radiated by gilled radiator mode is relatively low.
So how to make full use of quickly lost transformer heat fuel tank heat, and how adequately to utilize transformation
Device fuel tank dispersed heat becomes those skilled in the art's urgent problem to be solved.
Summary of the invention
This application provides water cooling plant and its control methods at the top of a kind of energy saving transformer, to solve in the prior art
Heat caused by power transformer energy consumption and the low problem of side load formula sink-efficiency cannot be made full use of.
In a first aspect, the application provides a kind of energy saving transformer top water cooling plant, the transformer top water cooling dress
It sets including top heat dissipation interlayer, heat-insulation and heat-preservation water tank, cooling water inlet pipe and cooling water outlet pipe；The top heat dissipation interlayer is set
It sets in the upper end of oil tank of transformer；
Top heat dissipation interlayer includes water cooling plant shell and cooling water pipe, and the cooling water pipe is by multiple " S " type water pipes
Composition；
The cooling water pipe setting is in water cooling plant enclosure interior, and the vertical height of the water inlet of cooling water pipe is lower than water outlet
The vertical height of mouth, and the gradient side view of cooling water pipe is uniformly lifted along certain slope, is provided in the water cooling plant shell
Transformer oil, and the volume of transformer oil is less than the volume of the water cooling plant enclosure interior；It is set in the water cooling plant shell
It is equipped with oil thermometer and oil level indicator；The transformer oil submerges the cooling water pipe；
The water cooling plant shell includes enclosure body and cover board, and the enclosure body and cover board are detachably connected；
The lower end of the heat-insulation and heat-preservation water tank is provided with tap water inlet pipe；First is provided in the tap water inlet pipe
Valve；The top of the heat-insulation and heat-preservation water tank is provided with water service pipe and drainage tracheae, is arranged on the water service pipe
There is the second valve, third valve is provided on the drainage tracheae, is arranged on the upper surface of the heat-insulation and heat-preservation water tank limited
Pressure valve；
One end of the cooling water inlet pipe is connect with the import of the intracorporal cooling water pipe of water cooling plant shell, described cold
But the other end of water water inlet pipe is connected to the lower end surface of the heat-insulation and heat-preservation water tank；One end of the cooling water outlet pipe with it is described
The outlet of the cooling water pipe of water cooling plant shell connects, and the other end of the cooling water outlet pipe runs through the heat-insulation and heat-preservation water tank
Lower end surface, extend to the heat-insulation and heat-preservation water tank upper；The 4th valve, the cooling are provided on the cooling water inlet pipe
The 5th valve is provided on water outlet pipe；
Water-level gauge, hydraulic gage and water thermometer are provided in the heat-insulation and heat-preservation water tank；
Height of the lower end surface of the heat-insulation and heat-preservation water tank apart from ground be greater than the water cooling plant shell upper surface away from
Height from the ground.
Further, the cover board is detachably connected by sealing rubber ring and bolt with the enclosure body.
Further, the water cooling plant further includes emergency water compensating pipe, one end of the emergency water compensating pipe with it is described heat-insulated
The lower end surface of insulated water tank is connected to, and the other end of the emergency water compensating pipe is connected to the fire cistern in substation；It is described urgent
The 6th valve is provided on water supply pipe；
The tap water inlet pipe is provided with tap water hydraulic tester, and the tap water hydraulic tester is arranged described
The one end of first valve far from heat-insulation and heat-preservation water tank.
Second aspect, the application provide a kind of control method of energy saving transformer top water cooling plant, the controlling party
Method includes:
The cistern water level that water-level gauge measures is obtained, and obtains the hydraulic pressure that hydraulic gage measures；
Under normal operation, the 4th valve, the 5th valve, the first valve, the second valve are open states, pressure limiting valve,
6th valve, third valve are closed states；
Judge whether cistern water level is less than preset water level, and judges whether hydraulic pressure is not less than the specified pressure of tap water hydraulic
Power；
If cistern water level is less than preset water level, and hydraulic pressure is not less than tap water hydraulic rated pressure, then controls third valve
Door is opened；
If cistern water level is not less than preset water level, and hydraulic pressure is not more than tap water hydraulic rated pressure, then controls third
Valve is closed；
Judge whether hydraulic pressure is greater than pressure limiting valve action value；
If hydraulic pressure is greater than pressure limiting valve action value, pressure limiting valve pressure release is controlled；
If hydraulic pressure is less than pressure limiting valve action value, pressure limiting valve closing is controlled；
Obtain the oil level that oil level indicator measures；
Judge whether the oil level is lower than the first default oil level, if oil level is lower than default oil level, warning note should be mended
Oil carries out leak check；
Judge whether oil level is higher than the second default oil level, if oil level is higher than the second default oil level, warning note reply
Cooling water pipe leak check；
Obtain the water temperature for the heat-insulation and heat-preservation water tank upper that water thermometer measures；
Judge whether the water temperature of heat-insulation and heat-preservation water tank upper is greater than default water temperature；
If the water temperature of heat-insulation and heat-preservation water tank upper is greater than default water temperature, third valve is opened, hot water is bled off；
Obtain the oil temperature that oil thermometer measures；
Judge whether the oil temperature is greater than default oil temperature, and judges the water for the heat-insulation and heat-preservation water tank upper that water thermometer measures
Whether temperature is greater than or equal to default water temperature；
If the oil temperature is greater than default oil temperature, and the water temperature of heat-insulation and heat-preservation water tank upper that water thermometer measures is greater than or waits
In default water temperature, then third valve is opened；
If the oil temperature is greater than default oil temperature, and the water temperature of heat-insulation and heat-preservation water tank upper that water thermometer measures is lower than default
Water temperature, then warning note should check that the 4th valve and the confirmation of the 5th valve are opened, and be confirmed whether that there are cryogenic freezing situations.
Further, the control method further include:
Judge whether cistern water level is less than preset water level, judge whether the first valve is opened, and judges whether hydraulic pressure is small
In tap water hydraulic rated pressure；
If cistern water level is less than preset water level, the first valve opening, and hydraulic pressure and is less than tap water hydraulic rated pressure, then
It opens the 6th valve, close the first valve；
The tap water hydraulic that tap water hydraulic pressure test measures is obtained, judges whether tap water hydraulic is not less than tap water
Press rated pressure；
If tap water hydraulic is not less than tap water hydraulic rated pressure, the 6th valve is closed, opens the first valve.
As seen from the above embodiment, water cooling plant and its controlling party at the top of a kind of energy saving transformer provided by the present application
Method, the water cooling plant, including top heat dissipation interlayer, heat-insulation and heat-preservation water tank, cooling water inlet pipe and cooling water outlet pipe, top
Heat dissipation interlayer is connected to heat-insulation and heat-preservation water tank by cooling water inlet pipe and cooling water outlet pipe, and heat-insulation and heat-preservation water tank is provided with certainly
Water water inlet pipe, water service pipe and drainage tracheae, realize the storage of transformer top water-cooling and hot water and use
Function；The control method passes through the intracorporal oil temperature of water cooling plant shell, oil level and the water level of heat-insulation and heat-preservation water tank, hydraulic pressure, water temperature
The comprehensive analysis and judgement of number are monitored, it is reliable to ensure to operate to realize the control to water cooling plant.The embodiment of the present application can be mentioned substantially
Rise transformer Cooling efficiency, the energy that effective use transformer own loss generates；At outdoor, top heat dissipation interlayer can be risen
To the effect for blocking solar radiation and absorption solar energy.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of transformer top water cooling plant provided by the embodiments of the present application；
Fig. 2 is the top view of cover board provided by the embodiments of the present application；
Fig. 3 is the top view of cooling water pipe provided by the embodiments of the present application.
It illustrates:
Wherein, 1- top heat dissipation interlayer, 2- heat-insulation and heat-preservation water tank, 21- tap water inlet pipe, the first valve of 211-, 22- are raw
Apply flexibly water pipe, the second valve of 221-, 23- drainage tracheae, 231- third valve, 24- pressure limiting valve, 3- cooling water inlet pipe, 31-
4th valve, 4- cooling water outlet pipe, the 5th valve of 41-, 5- oil tank of transformer, 6- water cooling plant shell, 61- transformer oil,
62- cover board, 63- sealing rubber ring, 64- bolt, 65- emergency water compensating pipe, the 6th valve of 651-, 7- cooling water pipe.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.Below in conjunction with attached drawing,
The technical scheme provided by various embodiments of the present application will be described in detail.
Refering to fig. 1, the application provides a kind of energy saving transformer top water cooling plant, the transformer top water cooling plant
Including top heat dissipation interlayer 1, heat-insulation and heat-preservation water tank 2, cooling water inlet pipe 3 and cooling water outlet pipe 4；To promote heat loss effect
The upper end of oil tank of transformer 5 is arranged in rate, the top heat dissipation interlayer 1；Top heat dissipation interlayer 1 and oil tank of transformer 5 pass through gold
Belong to steel plate isolation without being interconnected.
Specifically, the side wall of the water cooling plant shell 6 can be welded by metal foil.The cooling water pipe 7 is
High-thermal conductive metal pipe.Heat-insulation and heat-preservation water tank 2 is sealing thermal insulation metal box.
Top heat dissipation interlayer 1 includes water cooling plant shell 6 and cooling water pipe 7, as shown in figure 3, the cooling water pipe 7 is by more
A " S " type water pipe composition；
For the heat dissipation area and improving heat radiation efficiency for increasing top hot oil, water cooling plant shell 6 is provided with for absorbing heat
The cooling water pipe that the S type bending of amount is detoured.
The cooling water pipe 7 is arranged inside water cooling plant shell 6, for convenient for water it is heated after circulate, cooling water pipe 7
The vertical height of water inlet be lower than the vertical height of water outlet, and the gradient side view of cooling water pipe 7 is uniformly lifted along certain slope
It rises.
By being passed through cooling water in cooling water pipe 7, the heat that oil tank of transformer sheds can be taken away.
The heat-insulation and heat-preservation water tank 2 can provide cooling water into cooling water pipe 7, and cooling water is added in cooling water pipe 7
It can recycle and be flowed into heat-insulation and heat-preservation water tank 2 after heat, do and further utilize.
To collect transformer heat, height of the lower end surface of the heat-insulation and heat-preservation water tank 2 apart from ground is greater than the water cooling
Height of the upper surface of device housing 6 apart from ground.Transformer oil 61, and transformer are provided in the water cooling plant shell 6
The volume of oil 61 is less than the volume inside the water cooling plant shell 6；
Specifically, the problems such as in order to avoid leakage caused by cooling water direct heat transfer, corrosion, so in water cooling plant shell
It is provided with transformer oil 61 in body 6, is immersed in cooling water pipe 7 in the transformer oil 61, regard transformer oil 61 as transformer
Heat transfer between fuel tank and cooling water.In addition, the volume of the transformer oil 61 is less than inside the water cooling plant shell 6
Volume, i.e. transformer oil 61 do not take the space in the water cooling plant shell 6, the upper surface of transformer oil 61 and water cooling
There is certain space between upper surface inside device housing 6, occur after being expanded with heat and contract with cold in this way with compensator transformer oil 61
Volume change.
Oil thermometer and oil level indicator are provided in the water cooling plant shell 6；The transformer oil 61 submerges the cooling water
Pipe 7；
Specifically, the lower end of oil thermometer may be dipped in the top of transformer oil 61, for detecting oil temperature situation.Oil level indicator
It not only can be set in the inside of water cooling plant shell 6, also can be set in the outside of water cooling plant shell 6, can reflect change
The fuel head of depressor oil 61, oil level indicator is for detecting oil level situation.
It should be noted that oil thermometer and oil level indicator all can be the electronic instrument with pointer, oil tank of transformer is hung on
On, it is convenient for rolling inspection.The structure and application method of the oil thermometer and oil level indicator are all the technologies of comparative maturity, herein not
It repeats again.
The water cooling plant shell 6 includes enclosure body and cover board 62, and the enclosure body and cover board 62 are detachably connected,
In order to check inner case.
Further, the cover board 62 is detachably connected by sealing rubber ring 63 and bolt 64 with the enclosure body.
As shown in Fig. 2, being easy access, the top of water cooling plant shell 6 uses sealing rubber ring 63,64 fit sealing of bolt
Covering plate structure.
The lower end of the heat-insulation and heat-preservation water tank 2 is provided with tap water inlet pipe 21；It is arranged in the tap water inlet pipe 21
There is the first valve 211；The top of the heat-insulation and heat-preservation water tank 2 is provided with water service pipe 22 and drainage tracheae 23, the life
It applies flexibly and is provided with the second valve 221 on water pipe, third valve 231, the heat-insulation and heat-preservation are provided on the drainage tracheae 23
Limited valve 24 is set on the upper surface of water tank 2；
Water source in the heat-insulation and heat-preservation water tank 2 is automatically replenished from tap water inlet pipe 21 by tap water hydraulic.
The heat-insulation and heat-preservation water tank 2 is connected to drainage tracheae 23 and water service pipe 22, and the water service pipe 22 can will be after heating
Cooling water re-use, avoid heat scatter and disappear, cause the waste of thermal energy.
One end of the cooling water inlet pipe 3 is connect with the import of the intracorporal cooling water pipe 7 of the water cooling plant shell, described
The other end of cooling water inlet pipe 3 is connected to the lower end surface of the heat-insulation and heat-preservation water tank 2；One end of the cooling water outlet pipe 4
It is connect with the outlet of the cooling water pipe 7 of the water cooling plant shell, the other end of the cooling water outlet pipe 4 is through described heat-insulated
The lower end surface of insulated water tank 2 extends to 2 top of heat-insulation and heat-preservation water tank, in order to which hot water converges on heat-insulation and heat-preservation water tank 2
Portion；It is provided with the 4th valve 31 on the cooling water inlet pipe 3, is provided with the 5th valve 41 on the cooling water outlet pipe 4；
Cooling water outlet pipe 4 on path any one be in vertical height be not lower than top heat dissipation interlayer 1 be discharged
Height at pipe, in order to hot water convergence.
Water-level gauge, hydraulic gage and water thermometer are provided in the heat-insulation and heat-preservation water tank 2；
Specifically, water-level gauge is used to detect the water level conditions in heat-insulation and heat-preservation water tank 2, water thermometer is for detecting heat-insulation and heat-preservation
The top water temperature condition of water in water tank 2.Water-level gauge can be internal float ball-type.Water-level gauge and water thermometer can be for pointers
Electronic instrument.The hydraulic gage is used to measure the hydraulic pressure in the heat-insulation and heat-preservation water tank 2, the water-level gauge, hydraulic gage and water
The structure and application method of temperature meter are all the prior arts, so details are not described herein.
When implementing, if there is winding outlet in transformer oil box top, water cooling plant shell 6 is equipped with corresponding hole,
In favor of each winding outlet of transformer.For convenient for playing the efficiency of water cooling plant shell 6 and convenient for heat-insulation and heat-preservation water tank 2 and water pipe
Arrangement, when transformer is underground type or fuel tank side outlet method, water cooling plant effect is best.
Further, the water cooling plant further includes emergency water compensating pipe 65, one end of the emergency water compensating pipe 65 with it is described
The lower end surface of heat-insulation and heat-preservation water tank 2 is connected to, and the other end of the emergency water compensating pipe 65 is connected to the fire cistern in substation；Institute
It states and is provided with the 6th valve 651 on emergency water compensating pipe 65；
The emergency water compensating pipe 65 can be used for the moisturizing in tap water cut-off, emergency water compensating pipe 65 and substation
Interior fire cistern is connected, and in emergency circumstances extracts the water of the fire cistern in substation for cooling down.
The tap water inlet pipe 21 is provided with tap water hydraulic tester, and the tap water hydraulic tester is arranged in institute
First one end of valve 211 far from heat-insulation and heat-preservation water tank 2 is stated, the tap water hydraulic tester is for measuring tap water inlet pipe
Tap water hydraulic in 21.
The application provides a kind of control method of transformer top water cooling plant, and the control method includes:
The embodiment of the present application controls cistern water level, hydraulic pressure, oil level, the water temperature of heat-insulation and heat-preservation water tank upper, oil by valve
The energy that temperature promotes transformer radiating efficiency, while transformer own loss can be made full use of to generate.
Control to cistern water level:
The cistern water level that water-level gauge measures is obtained, and obtains the hydraulic pressure that hydraulic gage measures；
Under normal operation, the 4th valve, the 5th valve, the first valve, the second valve are open states, pressure limiting valve,
6th valve, third valve are closed states；
Judge whether cistern water level is less than preset water level, and judges whether hydraulic pressure is not less than the specified pressure of tap water hydraulic
Power；
If cistern water level is less than preset water level, and hydraulic pressure is not less than tap water hydraulic rated pressure, is judged as heat-insulated guarantor
Reservoir has gas, then controls third valve opening, be exhausted；
If cistern water level is not less than preset water level, and hydraulic pressure is not more than tap water hydraulic rated pressure, is judged as normal,
Then control the closing of third valve；
Control to hydraulic pressure:
Judge whether hydraulic pressure is greater than pressure limiting valve action value；
If hydraulic pressure is greater than pressure limiting valve action value, pressure limiting valve pressure release is controlled；
If hydraulic pressure is less than pressure limiting valve action value, pressure limiting valve closing is controlled；
Specifically, when hydraulic pressure is greater than pressure limiting valve action value, pressure limiting valve events pressure release；When hydraulic pressure is less than pressure limiting valve action value
When, pressure limiting valve is closed；Pressure limiting valve action value may be configured as 1.5 times of hydraulic pressure.
Control to oil level；
Obtain the oil level that oil level indicator measures；
Judge whether the oil level is lower than the first default oil level, if oil level is lower than default oil level, judges the interlayer that radiates
Oil leak, warning note answer repairing or carry out leak check；
Judge whether oil level is higher than the second default oil level, if oil level is higher than the second default oil level, judges the interlayer that radiates
Leak, warning note cope with cooling water pipe leak check；
Specifically, the second default oil level is 1.2 times of default oil level.
Control to the water temperature of heat-insulation and heat-preservation water tank upper:
Obtain the water temperature for the heat-insulation and heat-preservation water tank upper that water thermometer measures；
Judge whether the water temperature of heat-insulation and heat-preservation water tank upper is greater than default water temperature；
If the water temperature of heat-insulation and heat-preservation water tank upper is greater than default water temperature, the water temperature mistake being judged as in heat-insulation and heat-preservation water tank
Heat illustrates that domestic water cannot consume hot water, then opens third valve, bleeds off hot water, supplements cold water.
Control to oil temperature:
Obtain the oil temperature that oil thermometer measures；
Judge whether the oil temperature is greater than default oil temperature, and judges the water for the heat-insulation and heat-preservation water tank upper that water thermometer measures
Whether temperature is greater than or equal to default water temperature；
If the oil temperature is greater than default oil temperature, and the water temperature of heat-insulation and heat-preservation water tank upper that water thermometer measures is greater than or waits
In default water temperature, illustrate that domestic water cannot consume hot water, then opens third valve and bleed off hot water, supplement cold water；
If the oil temperature is greater than default oil temperature, and the water temperature of heat-insulation and heat-preservation water tank upper that water thermometer measures is lower than default
Water temperature is then judged as that water circulation is unsmooth, and warning note should check that the 4th valve and the confirmation of the 5th valve are opened, and be confirmed whether
There are cryogenic freezing situations.
The embodiment of the present application passes through the comprehensive analysis and judgement to oil temperature, oil level, water temperature, cistern water level, hydraulic pressure, output pair
The control to water cooling plant is realized in the instruction of water cooling plant operation conditions.
Further, the control method further include:
Specifically, water cooling plant can also include emergency water compensating pipe, guarantee that heat-insulation and heat-preservation water tank needs using emergency water compensating pipe
It will not stop supplying water to cooling water pipe when wanting.
Judge whether cistern water level is less than preset water level, judge whether the first valve is opened, and judges whether hydraulic pressure is small
In tap water hydraulic rated pressure；
If cistern water level is less than preset water level, the first valve opening, and hydraulic pressure and is less than tap water hydraulic rated pressure, then
It is judged as cooling water cut-off, closes the first valve, and start fire cistern water supply, opens the 6th valve；
The tap water hydraulic that tap water hydraulic pressure test measures is obtained, judges whether tap water hydraulic is not less than tap water
Press rated pressure；
If tap water hydraulic is not less than tap water hydraulic rated pressure, it is judged as that cooling water resumes water supply, closes the
Six valves open the first valve, restore cooling water.
As seen from the above embodiment, water cooling plant and its controlling party at the top of a kind of energy saving transformer provided by the present application
Method, the water cooling plant, including top heat dissipation interlayer, heat-insulation and heat-preservation water tank, cooling water inlet pipe and cooling water outlet pipe, top
Heat dissipation interlayer is connected to heat-insulation and heat-preservation water tank by cooling water inlet pipe and cooling water outlet pipe, and heat-insulation and heat-preservation water tank is provided with certainly
Water water inlet pipe, water service pipe and drainage tracheae, realize the storage of transformer top water-cooling and hot water and use
Function；The control method passes through the intracorporal oil temperature of water cooling plant shell, oil level and the water level of heat-insulation and heat-preservation water tank, hydraulic pressure, water temperature
The comprehensive analysis and judgement of number are monitored, it is reliable to ensure to operate to realize the control to water cooling plant.The embodiment of the present application can be mentioned substantially
Rise transformer Cooling efficiency, the energy that effective use transformer own loss generates；At outdoor, top heat dissipation interlayer can be risen
To the effect for blocking solar radiation and absorption solar energy.
Those skilled in the art will readily occur to its of the application after considering specification and practicing application disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by following
Claim is pointed out.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (5)
1. water cooling plant at the top of a kind of energy saving transformer, which is characterized in that the transformer top water cooling plant includes top
Heat dissipation interlayer (1), heat-insulation and heat-preservation water tank (2), cooling water inlet pipe (3) and cooling water outlet pipe (4)；
Upper end of top heat dissipation interlayer (1) setting in oil tank of transformer (5)；
Top heat dissipation interlayer (1) includes water cooling plant shell (6) and cooling water pipe (7), and the cooling water pipe (7) is by multiple " S "
Type water pipe composition；
Cooling water pipe (7) setting is internal in water cooling plant shell (6), and the vertical height of the water inlet of cooling water pipe (7) is low
In the vertical height of water outlet, and the gradient side view of cooling water pipe (7) is uniformly to be lifted along certain slope, the water cooling plant shell
It is provided with transformer oil (61) in body (6), and the volume of transformer oil (61) is less than the internal appearance of the water cooling plant shell (6)
Product；Oil thermometer and oil level indicator are provided in the water cooling plant shell (6)；The transformer oil (61) submerges the cooling water pipe
(7)；
The water cooling plant shell (6) includes enclosure body and cover board (62), and the enclosure body and cover board (62) detachably connect
It connects；
The lower end of the heat-insulation and heat-preservation water tank (2) is provided with tap water inlet pipe (21)；It is set on the tap water inlet pipe (21)
It is equipped with the first valve (211)；The top of the heat-insulation and heat-preservation water tank (2) is provided with water service pipe (22) and drainage tracheae
(23), it is provided on the water service pipe the second valve (221), is provided with third valve on the drainage tracheae (23)
(231), limited valve (24) are set on the upper surface of the heat-insulation and heat-preservation water tank (2)；
One end of the cooling water inlet pipe (3) is connect with the import of the intracorporal cooling water pipe of water cooling plant shell (7), described
The other end of cooling water inlet pipe (3) is connected to the lower end surface of the heat-insulation and heat-preservation water tank (2)；The cooling water outlet pipe (4)
One end connect with the outlet of the cooling water pipe (7) of the water cooling plant shell, the other end of the cooling water outlet pipe (4) passes through
The lower end surface for wearing the heat-insulation and heat-preservation water tank (2) extends to heat-insulation and heat-preservation water tank (2) top；The cooling water inlet pipe
(3) it is provided with the 4th valve (31) on, is provided with the 5th valve (41) on the cooling water outlet pipe (4)；
Water-level gauge, hydraulic gage and water thermometer are provided in the heat-insulation and heat-preservation water tank (2)；
Height of the lower end surface of the heat-insulation and heat-preservation water tank (2) apart from ground is greater than the upper surface of the water cooling plant shell (6)
Height apart from ground.
2. water cooling plant at the top of a kind of energy saving transformer according to claim 1, which is characterized in that the cover board (62)
It is detachably connected by sealing rubber ring (63) and bolt (64) with the enclosure body.
3. water cooling plant at the top of a kind of energy saving transformer according to claim 1, which is characterized in that the water cooling plant
It further include emergency water compensating pipe (65), the lower end surface of one end of the emergency water compensating pipe (65) and the heat-insulation and heat-preservation water tank (2) connects
Logical, the other end of the emergency water compensating pipe (65) is connected to the fire cistern in substation；It is set on the emergency water compensating pipe (65)
It is equipped with the 6th valve (651)；
The tap water inlet pipe (21) is provided with tap water hydraulic tester, and the tap water hydraulic tester is arranged described
The one end of first valve (211) far from heat-insulation and heat-preservation water tank (2).
4. the control method of water cooling plant at the top of a kind of energy saving transformer, which is characterized in that the control method includes:
The cistern water level that water-level gauge measures is obtained, and obtains the hydraulic pressure that hydraulic gage measures；
Under normal operation, the 4th valve, the 5th valve, the first valve, the second valve are open states, pressure limiting valve, the 6th
Valve, third valve are closed states；
Judge whether cistern water level is less than preset water level, and judges whether hydraulic pressure is not less than tap water hydraulic rated pressure；
If cistern water level is less than preset water level, and hydraulic pressure is not less than tap water hydraulic rated pressure, then controls third valve and open
It opens；
If cistern water level is not less than preset water level, and hydraulic pressure is not more than tap water hydraulic rated pressure, then controls third valve
It closes；
Judge whether hydraulic pressure is greater than pressure limiting valve action value；
If hydraulic pressure is greater than pressure limiting valve action value, pressure limiting valve pressure release is controlled；
If hydraulic pressure is less than pressure limiting valve action value, pressure limiting valve closing is controlled；
Obtain the oil level that oil level indicator measures；
Judge whether the oil level is lower than the first default oil level, if oil level is lower than default oil level, warning note answer repairing or
Carry out leak check；
Judge whether oil level is higher than the second default oil level, if oil level is higher than the second default oil level, warning note reply cooling
Water pipe leak check；
Obtain the water temperature for the heat-insulation and heat-preservation water tank upper that water thermometer measures；
Judge whether the water temperature of heat-insulation and heat-preservation water tank upper is greater than default water temperature；
If the water temperature of heat-insulation and heat-preservation water tank upper is greater than default water temperature, third valve is opened, hot water is bled off；
Obtain the oil temperature that oil thermometer measures；
Judge whether the oil temperature is greater than default oil temperature, and judges that the water temperature of the heat-insulation and heat-preservation water tank upper that water thermometer measures is
It is no to be greater than or equal to default water temperature；
If the oil temperature is greater than default oil temperature, and the water temperature of heat-insulation and heat-preservation water tank upper that measures of water thermometer be greater than or equal to it is pre-
If water temperature, then third valve is opened；
If the oil temperature is greater than default oil temperature, and the water temperature of heat-insulation and heat-preservation water tank upper that water thermometer measures is lower than default water
Temperature, then warning note should check that the 4th valve and the confirmation of the 5th valve are opened, and be confirmed whether that there are cryogenic freezing situations.
5. the control method of water cooling plant at the top of a kind of energy saving transformer according to claim 4, which is characterized in that institute
State control method further include:
Judge whether cistern water level is less than preset water level, judge whether the first valve is opened, and judges whether hydraulic pressure is less than certainly
Water hydraulic pressure rated pressure；
If cistern water level is less than preset water level, the first valve opening, and hydraulic pressure and is less than tap water hydraulic rated pressure, then open
6th valve closes the first valve；
The tap water hydraulic that tap water hydraulic pressure test measures is obtained, judges whether tap water hydraulic is not less than tap water hydraulic volume
Constant-pressure；
If tap water hydraulic is not less than tap water hydraulic rated pressure, the 6th valve is closed, opens the first valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487107.6A CN110136931B (en) | 2019-06-05 | 2019-06-05 | Energy-saving transformer top water cooling device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487107.6A CN110136931B (en) | 2019-06-05 | 2019-06-05 | Energy-saving transformer top water cooling device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN110136931A true CN110136931A (en) | 2019-08-16 |
| CN110136931B CN110136931B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910487107.6A Active CN110136931B (en) | 2019-06-05 | 2019-06-05 | Energy-saving transformer top water cooling device and control method thereof |
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| Country | Link |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206961636U (en) * | 2017-06-15 | 2018-02-02 | 天津滨海新区大港圣益油脂有限公司 | A kind of water-circulating cooling device of transformer oil |
| CN207149372U (en) * | 2017-06-25 | 2018-03-27 | 国网河南鄢陵县供电公司 | A kind of reutilization system of the waste heat of oil-filled transformer |
-
2019
- 2019-06-05 CN CN201910487107.6A patent/CN110136931B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206961636U (en) * | 2017-06-15 | 2018-02-02 | 天津滨海新区大港圣益油脂有限公司 | A kind of water-circulating cooling device of transformer oil |
| CN207149372U (en) * | 2017-06-25 | 2018-03-27 | 国网河南鄢陵县供电公司 | A kind of reutilization system of the waste heat of oil-filled transformer |
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| Publication number | Publication date |
|---|---|
| CN110136931B (en) | 2021-11-19 |
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