CN112563006B - Impregnation process for power transformer and power transformer - Google Patents
Impregnation process for power transformer and power transformer Download PDFInfo
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- CN112563006B CN112563006B CN202011293741.5A CN202011293741A CN112563006B CN 112563006 B CN112563006 B CN 112563006B CN 202011293741 A CN202011293741 A CN 202011293741A CN 112563006 B CN112563006 B CN 112563006B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/005—Impregnating or encapsulating
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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
- H01F27/02—Casings
- H01F27/022—Encapsulation
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- Application Of Or Painting With Fluid Materials (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an impregnation process for a power transformer, which relates to the technical field of power transformer protection and comprises the following steps: determining installation environment information of the power transformer to be processed, wherein the installation environment information comprises at least one of the following information: illumination intensity information, temperature information, and humidity information; determining dipping parameters according to the installation environment information, wherein the dipping parameters comprise dipping time and relative dip paint viscosity; determining the dilution ratio of the impregnating varnish and the acrylic paint diluent according to the relative viscosity of the impregnating varnish, and determining the injection amount of the impregnating varnish and the injection amount of the acrylic paint diluent according to the dilution ratio; controlling the impregnating varnish and the acrylic paint diluent to be injected according to the injection amount of the impregnating varnish and the injection amount of the acrylic paint diluent to obtain the target impregnating varnish; injecting target impregnating varnish with corresponding volume into the impregnating cavity, and starting timing; and when the timed time reaches the dipping time, finishing the dipping process of the power transformer. The stability and the safety of the power transformer are improved.
Description
Technical Field
The invention relates to the technical field of network transaction, in particular to an impregnation process for a power transformer and the power transformer.
Background
The insulating varnish impregnation is carried out on the power transformer, so that the mechanical strength of the power transformer can be enhanced, the damage to the transformer caused by vibration and impact in the transportation and installation processes can be prevented, and the noise generated by electromagnetic force can be reduced to a certain extent in the use process of the power transformer. And secondly, the insulating paint can effectively improve the electric strength and the insulation resistance of the insulating system of the power transformer and improve the electric insulation performance of the insulating system of the power transformer. In addition, the impregnating insulating paint for the power transformer can also enhance the moisture resistance, the mildew and corrosion resistance, the salt fog resistance, the ultraviolet ray resistance and the performance of preventing the invasion of other harmful substances of an insulating system of the transformer so as to enhance the adaptability of the electronic transformer to the environment.
At present, the insulation of the transformer is increased by vacuum impregnation, pressure impregnation or vacuum combined pressure impregnation of the power transformer, so that the solids contained in the insulating varnish are left in the gaps of the transformer, and the insulation degree is determined by the filling rate of the solids in the gaps of the transformer, and the higher the filling rate is, the greater the insulation degree is. The insulating paint with high solid content has high viscosity, is not easy to permeate into gaps of the transformer, has less solid in the gaps and has low filling rate; easy penetration requires a low viscosity of the enamel, which leaves a low solids content in the transformer voids after high temperature curing. The vacuum impregnation or the pressure impregnation is expensive in equipment investment, large in occupied space, difficult to maintain and high in safety risk.
Therefore, how to enhance the environmental adaptability of the power transformer and improve the safety and stability of the power transformer becomes a problem to be solved urgently.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an impregnation process for a power transformer and the power transformer, and solves the problem of low safety and stability of the power transformer in the related technology.
In order to realize the purpose, the invention is realized by the following technical scheme: a dipping process for an electric transformer is based on a dipping device with adjustable dipping paint viscosity, and comprises a dipping cavity for placing the electric transformer to be treated, a dipping cavity for storing dipping paint and a diluent storage cavity for storing an acrylic paint diluent;
the impregnation process comprises the following steps:
determining installation environment information of the power transformer to be processed, wherein the installation environment information comprises at least one of: illumination intensity information, temperature information, and humidity information;
determining dipping parameters according to the installation environment information, wherein the dipping parameters comprise dipping time and relative dip paint viscosity;
determining the dilution ratio of the impregnating varnish and an acrylic paint diluent according to the relative viscosity of the impregnating varnish, and determining the injection amount of the impregnating varnish and the injection amount of the acrylic paint diluent according to the dilution ratio;
controlling to inject the impregnating varnish and the acrylic paint diluent according to the injection amount of the impregnating varnish and the injection amount of the acrylic paint diluent to obtain a target impregnating varnish;
injecting the target impregnating varnish with the corresponding volume into the impregnating cavity, and starting timing;
when the timed duration reaches the dipping duration, finishing the dipping process of the power transformer;
the determining the installation environment information of the power transformer to be processed comprises:
querying historical climate information of the geographical position represented by the installation geographical position from a database according to the installation geographical position of the power transformer to be processed;
and determining the installation environment information of the power transformer to be processed according to the historical climate information.
The average illumination intensity is lower than 110W/m in the year of the representation of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 10-12 hours, and the relative viscosity of the dipping paint is 20-25 Cst;
the average illumination intensity is lower than 110W/m in the year of the representation of the illumination intensity information 2 The temperature information represents that the annual average temperature is between 10 and 22 ℃ and the annual average humidity of the humidity information represents that the annual average humidity is lower than 54 percent, or the annual average illumination intensity of the illumination intensity information represents that the annual average illumination intensity is lower than 110W/m 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 8-10 hours, and the relative viscosity of the dipping paint is 25-30 Cst;
the average illumination intensity is lower than 110W/m in the year of the representation of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 Under the conditions that the annual average temperature represented by the temperature information is 10-22 ℃ and the annual average humidity represented by the humidity information is 54-70%, determining that the dipping time is 8-10 hours and the relative viscosity of the dip varnish is 30-35 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, determining that the dipping time is 11-12 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature of the temperature information representation is 10-22 ℃ and the annual average humidity of the humidity information representation is lower than 54%, or under the condition that the annual average illumination intensity of the illumination intensity information representation is lower than 110W/m 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 7-8 hours, and the relative viscosity of the dipping paint is 25-30 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 Under the condition that the annual average temperature of the temperature information representation is 10-22 ℃ and the annual average humidity of the humidity information representation is 54-70%, the dipping time is determined to be 10-11 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average illumination intensity is higher than 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 12-13 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average illumination intensity is higher than 200W/m in the characterization year of the illumination intensity information 2 The temperature information represents that the annual average temperature is between 10 and 22 ℃ and the annual average humidity of the humidity information represents that the annual average humidity is lower than 54 percent, or the annual average illumination intensity of the illumination intensity information represents that the annual average illumination intensity is lower than 110W/m 2 The temperature information represents that the annual average temperature is lowUnder the conditions that the temperature is 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, determining that the dipping time is 13-16 hours, and the relative viscosity of the dip varnish is 40-45 Cst;
the average annual illumination intensity is higher than 200W/m when the illumination intensity information represents 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 The temperature information represents that the annual average temperature is 10-22 ℃ and the humidity information represents that the annual average humidity is 54-70%, the soaking time is 18-20 hours, and the relative viscosity of the impregnating varnish is 40-45 Cst.
The present disclosure also relates to a power transformer obtained by impregnating the power transformer with any one of the above impregnation processes.
Advantageous effects
The invention provides an impregnation process for a power transformer and the power transformer. Compared with the prior art, the method has the following beneficial effects:
(1) the dipping process for the power transformer can determine the relative dipping degree of the dipping time and the dipping paint according to the service environment of the power transformer, ensures the dipping effect of the power transformer, achieves the reasonable dipping time and the relative dipping degree of the dipping paint, ensures the dipping rationality of the power transformer, and improves the safety and the stability of the power transformer in the use process.
(2) According to the dipping process for the power transformer, the dipping time and the relative viscosity of the impregnating varnish are determined according to the use environment, so that the defects caused by the same dipping time and the relative viscosity of the impregnating varnish are avoided, for example, the dipping time is required for the power transformer which does not reach the severe use environment, the dipping effect is reduced, for example, the dipping time of the power transformer with good use environment is short, and the time consumption is increased by long-time dipping.
Drawings
Fig. 1 is a flow chart of an impregnation process for an electric power transformer according to the present invention.
Fig. 2 is a flowchart for implementing step S101 according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an impregnation process for an electric transformer.
The dipping process is based on a dipping device with adjustable dipping paint viscosity, and the dipping device comprises a dipping cavity for placing the power transformer to be processed, a dipping cavity for storing the dipping paint and a diluent storage cavity for storing acrylic paint diluent.
Fig. 1 is a flow chart of an impregnation process for an electric power transformer according to the present invention. The impregnation process comprises the following steps:
in step S101, installation environment information of the power transformer to be processed is determined, wherein the installation environment information includes at least one of: illumination intensity information, temperature information, and humidity information;
in step S102, determining dipping parameters according to the installation environment information, wherein the dipping parameters comprise dipping time and relative dip paint viscosity;
in step S103, determining a dilution ratio of the impregnating varnish and the acrylic varnish diluent according to the relative viscosity of the impregnating varnish, and determining the injection amount of the impregnating varnish and the injection amount of the acrylic varnish diluent according to the dilution ratio;
in step S104, controlling to inject the impregnating varnish and the acrylic paint diluent according to the injection amount of the impregnating varnish and the injection amount of the acrylic paint diluent, so as to obtain a target impregnating varnish;
in step S105, injecting a corresponding volume of the target impregnating varnish into the impregnation chamber, and starting timing;
in step S106, when the counted time length reaches the dipping time length, the dipping process of the power transformer is ended.
Alternatively, the dipping process for the power transformer can be applied to the maintenance process of the power transformer, for example, the dipping paint thickness of the power transformer to be maintained is determined through a dipping device, the relative viscosity of the dipping paint used by the power transformer to be maintained is determined according to the dipping paint thickness of the power transformer to be maintained, and then the dilution ratio of the dipping paint and the acrylic paint thinner is determined.
Alternatively, the dipping process for the power transformer can also be used for paint stripping and repainting in the process of repairing the power transformer. The immersion device is also provided with detection elements, for example, which may be detection lamps arranged on four sides of the immersion chamber of the immersion device. The light sensor is arranged in the transformer, based on light emitted by the detection lamp, the light sensor can sense light entering the gap in a penetrating mode and generate a feedback signal according to illumination intensity information, the dipping device can position the crack position and crack type of the power transformer, the crack type is determined by the crack width, and the crack width is determined by the illumination intensity collected by the light sensor. For example, the lower the light sensation, the denser the gap on the power transformer, and the higher the light sensation, the wider the gap on the power transformer.
Further, the dipping device can determine the relative viscosity of the dipping paint used by the power transformer to be maintained according to the crack type, and further determine the dilution ratio of the dipping paint and the acrylic paint thinner. And determining the pouring rate of the impregnating varnish according to the gap width.
And further, removing impregnating varnish around the crack by adopting heating vibration, enabling the varnish-removed end to face the bottom surface, inserting a probe into the crack, and after the varnish removal is finished, performing paint repair on the power transformer according to the position of the crack. And whether the completion is finally defined by the light sensor.
This impregnating apparatus with adjustable impregnating varnish is for can be convenient for with the device that the car carried, like this, can be stained with this impregnating apparatus with adjustable impregnating apparatus with the impregnating varnish and install and the car on, and then be convenient for at the maintenance and repair in each website and region.
Preferably, referring to fig. 2, in step S101, the determining the installation environment information of the power transformer to be processed includes:
in step S1011, historical climate information of the geographical location represented by the installation geographical location is queried from a database according to the installation geographical location of the power transformer to be processed;
in step S1012, installation environment information of the power transformer to be processed is determined according to the historical climate information.
Preferably, the average annual illumination intensity is lower than 110W/m when the illumination intensity information is used for representing 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 10-12 hours, and the relative viscosity of the dipping paint is 20-25 Cst;
the average illumination intensity is lower than 110W/m in the year of the representation of the illumination intensity information 2 The temperature information represents that the annual average temperature is between 10 and 22 ℃ and the annual average humidity of the humidity information represents that the annual average humidity is lower than 54 percent, or the annual average illumination intensity of the illumination intensity information represents that the annual average illumination intensity is lower than 110W/m 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 8-10 hours, and the relative viscosity of the dipping paint is 25-30 Cst;
the average illumination intensity is lower than 110W/m in the year of the representation of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 The temperature information represents that the annual average temperature is in the range of 10 ℃ to 22 ℃ and the humidity information represents that the annual average humidity is inUnder the condition of 54-70%, determining that the dipping time is 8-10 hours, and the relative viscosity of the dipping paint is 30-35 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 11-12 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 The temperature information represents that the annual average temperature is between 10 and 22 ℃ and the annual average humidity of the humidity information represents that the annual average humidity is lower than 54 percent, or the annual average illumination intensity of the illumination intensity information represents that the annual average illumination intensity is lower than 110W/m 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, determining that the dipping time is 7-8 hours, and the relative viscosity of the dipping paint is 25-30 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 Under the condition that the annual average temperature of the temperature information representation is 10-22 ℃ and the annual average humidity of the humidity information representation is 54-70%, the dipping time is determined to be 10-11 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average illumination intensity is higher than 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 12-13 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average illumination intensity is higher than 200W/m in the characterization year of the illumination intensity information 2 The temperature information indicates that the annual average temperature is at 10 dIn the case that the temperature is within 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or in the case that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 13-16 hours, and the relative viscosity of the dipping paint is 40-45 Cst;
the average illumination intensity is higher than 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 The temperature information represents that the annual average temperature is 10-22 ℃ and the humidity information represents that the annual average humidity is 54-70%, the soaking time is 18-20 hours, and the relative viscosity of the impregnating varnish is 40-45 Cst.
Based on the same inventive concept, the embodiment of the present disclosure also provides a power transformer, which is obtained by impregnating the power transformer with any one of the above-mentioned impregnation processes.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The impregnation process for the power transformer is characterized by being based on an impregnation device with adjustable impregnating degree of impregnating varnish, wherein the impregnation device comprises an impregnation cavity for placing the power transformer to be treated, an impregnation cavity for storing impregnating varnish and a diluent storage cavity for storing an acrylic paint diluent;
the impregnation process comprises the following steps:
determining installation environment information of the power transformer to be processed, wherein the installation environment information comprises: illumination intensity information, temperature information, and humidity information;
determining dipping parameters according to the installation environment information, wherein the dipping parameters comprise dipping time and relative dip paint viscosity;
determining the dilution ratio of the impregnating varnish and an acrylic paint diluent according to the relative viscosity of the impregnating varnish, and determining the injection amount of the impregnating varnish and the injection amount of the acrylic paint diluent according to the dilution ratio;
controlling to inject the impregnating varnish and the acrylic paint diluent according to the injection amount of the impregnating varnish and the injection amount of the acrylic paint diluent to obtain a target impregnating varnish;
injecting the target impregnating varnish with the corresponding volume into the impregnating cavity, and starting timing;
when the timed duration reaches the dipping duration, finishing the dipping process of the power transformer;
the determining of the installation environment information of the power transformer to be processed includes:
querying historical climate information of the geographical position represented by the installation geographical position from a database according to the installation geographical position of the power transformer to be processed;
determining the installation environment information of the power transformer to be processed according to the historical climate information;
when the illumination intensity information represents the annual averageThe average illumination intensity is lower than 110W/m 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 10-12 hours, and the relative viscosity of the dipping paint is 20-25 Cst;
the average illumination intensity is lower than 110W/m in the year of the representation of the illumination intensity information 2 The temperature information represents that the annual average temperature is between 10 and 22 ℃ and the annual average humidity of the humidity information represents that the annual average humidity is lower than 54 percent, or the annual average illumination intensity of the illumination intensity information represents that the annual average illumination intensity is lower than 110W/m 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 8-10 hours, and the relative viscosity of the dipping paint is 25-30 Cst;
the average annual illumination intensity is lower than 110W/m when the illumination intensity information represents 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 Under the conditions that the annual average temperature represented by the temperature information is 10-22 ℃ and the annual average humidity represented by the humidity information is 54-70%, determining that the dipping time is 8-10 hours and the relative viscosity of the dip varnish is 30-35 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 11-12 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 The temperature information represents that the annual average temperature is between 10 and 22 ℃ and the annual average humidity of the humidity information represents that the annual average humidity is lower than 54 percent, or the annual average illumination intensity of the illumination intensity information represents that the annual average illumination intensity is lower than 110W/m 2 The temperature information tableUnder the condition that the average annual temperature is lower than 10 ℃ and the average annual humidity of the humidity information representation is lower than 54%, determining that the dipping time is 7-8 hours, and the relative viscosity of the dipping paint is 25-30 Cst;
the average illumination intensity is between 110 and 200W/m in the characterization year of the illumination intensity information 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 Under the condition that the annual average temperature of the temperature information representation is 10-22 ℃ and the annual average humidity of the humidity information representation is 54-70%, the dipping time is determined to be 10-11 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average annual illumination intensity is higher than 200W/m when the illumination intensity information represents 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 12-13 hours, and the relative viscosity of the dipping paint is 35-40 Cst;
the average illumination intensity is higher than 200W/m in the characterization year of the illumination intensity information 2 The temperature information represents that the annual average temperature is between 10 and 22 ℃ and the annual average humidity of the humidity information represents that the annual average humidity is lower than 54 percent, or the annual average illumination intensity of the illumination intensity information represents that the annual average illumination intensity is lower than 110W/m 2 Under the condition that the annual average temperature represented by the temperature information is lower than 10 ℃ and the annual average humidity represented by the humidity information is lower than 54%, the dipping time is determined to be 13-16 hours, and the relative viscosity of the dipping paint is 40-45 Cst;
the average annual illumination intensity is higher than 200W/m when the illumination intensity information represents 2 Under the condition that the annual average temperature represented by the temperature information is higher than 22 ℃ and the annual average humidity represented by the humidity information is lower than 54%, or under the condition that the annual average illumination intensity represented by the illumination intensity information is lower than 110W/m 2 The temperature information representation annual average temperature is 10-22 ℃ and the humidity information representation annual average temperature is equal toAnd under the condition that the average humidity is between 54 and 70 percent, determining that the dipping time is between 18 and 20 hours, and the relative viscosity of the dipping paint is between 40 and 45 Cst.
2. A power transformer, characterized in that it is obtained by impregnation of the power transformer according to claim 1 with an impregnation process.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005057016A (en) * | 2003-08-01 | 2005-03-03 | Keihin Corp | Transformer and its assembling method |
| CN101282059A (en) * | 2008-05-22 | 2008-10-08 | 上海新朋实业股份有限公司 | Improved technique for painting electric machine rotor |
| CN201804709U (en) * | 2010-10-11 | 2011-04-20 | 南车株洲电机有限公司 | Paint dipping device for transformer coils |
| CN203406153U (en) * | 2013-09-03 | 2014-01-22 | 国家电网公司 | Intelligently-controlled transformer |
| CN105097272A (en) * | 2015-09-11 | 2015-11-25 | 中变集团上海变压器有限公司 | Vacuum pressure paint-soaking process for dry-type transformer coil |
| CN108461279A (en) * | 2018-02-12 | 2018-08-28 | 江苏华辰变压器股份有限公司 | A kind of normal pressure dipping lacquer vacuum degassing process of transformer coil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2895560B1 (en) * | 2005-12-22 | 2008-02-15 | Nexans Sa | CABLE COMPRISING AN IMPREGNATED FIBROUS MATERIAL LAYER AND CORRESPONDING IMPREGNATION METHOD |
-
2020
- 2020-11-18 CN CN202011293741.5A patent/CN112563006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005057016A (en) * | 2003-08-01 | 2005-03-03 | Keihin Corp | Transformer and its assembling method |
| CN101282059A (en) * | 2008-05-22 | 2008-10-08 | 上海新朋实业股份有限公司 | Improved technique for painting electric machine rotor |
| CN201804709U (en) * | 2010-10-11 | 2011-04-20 | 南车株洲电机有限公司 | Paint dipping device for transformer coils |
| CN203406153U (en) * | 2013-09-03 | 2014-01-22 | 国家电网公司 | Intelligently-controlled transformer |
| CN105097272A (en) * | 2015-09-11 | 2015-11-25 | 中变集团上海变压器有限公司 | Vacuum pressure paint-soaking process for dry-type transformer coil |
| CN108461279A (en) * | 2018-02-12 | 2018-08-28 | 江苏华辰变压器股份有限公司 | A kind of normal pressure dipping lacquer vacuum degassing process of transformer coil |
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