CN105955344A - Rectification transformer cooling system and cooling method - Google Patents
Rectification transformer cooling system and cooling method Download PDFInfo
- Publication number
- CN105955344A CN105955344A CN201610467694.9A CN201610467694A CN105955344A CN 105955344 A CN105955344 A CN 105955344A CN 201610467694 A CN201610467694 A CN 201610467694A CN 105955344 A CN105955344 A CN 105955344A
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- CN
- China
- Prior art keywords
- alopecia areata
- controller
- cooler
- control
- temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- 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
Abstract
The invention discloses a rectification transformer cooling system and cooling method. The rectification transformer cooling system comprises a rectification transformer, the rectification transformer is provided with five oil-air coolers, and a control cabinet of each oil-air cooler is provided with a stop position, a work position and a backup switching position. The system is characterized in that rectification variable temperature sensors are connected with a controller, the controller is connected with five relays, and each relay controls the stop position, the work position and the backup switching position on the control cabinet of one oil-air cooler. By using the technical scheme, work or stop of the oil-air coolers can be automatically controlled according to the temperature of the rectification transformer, the work quantity of the oil-air coolers is timely and rapidly adjusted, the temperature of the rectification transformer is efficiently adjusted, rapid reaction can be given under emergent conditions such as temperature abnormal change and the like, and loss is reduced.
Description
Technical field
The invention belongs to rectifier transformer cooling down technical field, particularly relate to a kind of rectifier transformer cooling system and cooling means.
Background technology
The rectifier transformer heat condition that is in operation is more serious, my company's electrolytic rectifier transformer loss is up to 120kw, and loss is all that electric energy is converted into heat energy, it is scattered in surrounding with the form of heat, summer temp is the highest, and substantial amounts of heat directly discharges can affect surrounding, additionally, rectifier transformer temperature is too high affects its life-span, it is therefore desirable to carry out cooling down process.
Four groups of alopecia areata coolers are had at present on separate unit rectifier transformer, alopecia areata cooler switch board often organizes switch when design " stopping ", " work " and " standby throwing " three positions, but " standby throwing " is only implemented in working group to be occurred after " fault stoppage in transit " or " transformer overload ", standby group just puts into operation, general standby group all without putting into operation.So, the most manually start and stop cooler package number controls transformator operating temperature, the most not in time, the most uneconomical.
The Chinese patent of Application No. 201420716820.6 discloses a kind of alopecia areata cooler automatic head unloading device, master control room temperature digital display controller controls the standby throwing state of four groups of alopecia areata coolers, realize every rectification and become alopecia areata cooler one group of one group of standby throwing that works in winter, work spring two groups one group of standby throwing, and temperature all controls between 60-65 DEG C；Work summer two groups two groups of standby throwings, and owing to ambient temperature is higher, temperature controls between 65-70 DEG C.So have a problem that, it is simply that the alopecia areata cooler work of rectifier transformer or standby throwing number of units can only be controlled roughly according to seasonal temperature, it is impossible to timely and effective quick regulation rectifier transformer temperature, it is impossible to the emergency situations such as reply temperature anomaly change.
Summary of the invention
For above-mentioned technical problem, it is an object of the present invention to provide a kind of rectifier transformer cooling system and cooling means that can regulate rectifier transformer temperature in time, effectively and rapidly.
The present invention adopts the following technical scheme that rectifier transformer cooling system, including rectifier transformer, five groups of alopecia areata coolers are set on described rectifier transformer, often it is both provided with on group alopecia areata cooler switch board stopping, working, for throwing three positions, rectification temperature sensor connects controller, controller connects five group relaies, and every group relay controls the stopping on one group of alopecia areata cooler switch board, work and standby throwing position.
Described rectification temperature sensor has four groups.
Cooling means based on described rectifier transformer cooling system, optional one group of alopecia areata cooler is standby to be thrown, and it is interval at design temperature that rectification temperature sensor records temperature, and controller passes through the Control four groups of alopecia areata coolers in addition to standby throwing and works successively；Rectification temperature sensor records temperature when maximum set value is lowered the temperature, and controller is stopped successively by the Control four groups of alopecia areata coolers in addition to standby throwing.
Selected 5th alopecia areata cooler is standby to be thrown, controller design temperature a, b, c, a ＜ b ＜ c, when rectification temperature sensor records temperature t ＜ a, controller is worked by first Control the first alopecia areata cooler, during a≤t ＜ b, controller is worked by second Control the second alopecia areata cooler, two groups of alopecia areata coolers work simultaneously, during b≤t ＜ c, controller is worked by the 3rd Control the 3rd alopecia areata cooler, three groups of alopecia areata coolers work simultaneously, during t >=c, controller is worked by the 4th Control the 4th alopecia areata cooler, four groups of alopecia areata coolers work simultaneously；Along with the work rectifier transformer temperature of cooler reduces, during b≤t ＜ c, controller is stopped by the 4th Control the 4th alopecia areata cooler；During a≤t ＜ b, controller is stopped by the 3rd Control the 3rd alopecia areata cooler；During t ＜ a, controller is stopped by second Control the second alopecia areata cooler, the first alopecia areata cooler work.
Selected 3rd alopecia areata cooler is standby to be thrown, controller design temperature a, b, c, a ＜ b ＜ c, when rectification temperature sensor records temperature t ＜ a, controller is worked by first Control the first alopecia areata cooler, during a≤t ＜ b, controller is worked by second Control the second alopecia areata cooler, two groups of alopecia areata coolers work simultaneously, during b≤t ＜ c, controller is worked by the 4th Control the 4th alopecia areata cooler, three groups of alopecia areata coolers work simultaneously, during t >=c, controller is worked by the 5th Control the 5th alopecia areata cooler, four groups of alopecia areata coolers work simultaneously；Along with the work rectifier transformer temperature of cooler reduces, during b≤t ＜ c, controller is stopped by the 5th Control the 5th alopecia areata cooler；During a≤t ＜ b, controller is stopped by the 4th Control the 4th alopecia areata cooler；During t ＜ a, controller is stopped by second Control the second alopecia areata cooler, the first alopecia areata cooler work.
Described rectification temperature sensor has four groups, and temperature t is the meansigma methods that four groups of rectification temperature sensors record temperature.
The present invention using technique scheme can work according to rectifier transformer temperature automatic control alopecia areata cooler or stop, in time, quick regulation alopecia areata cooler working group number, efficiently regulation rectifier transformer temperature, the emergency situations such as temperature anomaly change can be made fast reaction, reduce loss.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1, rectifier transformer cooling system, including rectifier transformer, five groups of alopecia areata coolers are set on described rectifier transformer, often it is both provided with on group alopecia areata cooler switch board stopping, working, for throwing three positions, rectification temperature sensor connects controller, and controller connects five group relaies, and every group relay controls the stopping on one group of alopecia areata cooler switch board, work and standby throwing position；Described rectification temperature sensor has four groups.
Cooling means based on described rectifier transformer cooling system, optional one group of alopecia areata cooler is standby to be thrown, and it is interval at design temperature that rectification temperature sensor records temperature, and controller passes through the Control four groups of alopecia areata coolers in addition to standby throwing and works successively；Rectification temperature sensor records temperature when maximum set value is lowered the temperature, and controller is stopped successively by the Control four groups of alopecia areata coolers in addition to standby throwing.
Selected 5th alopecia areata cooler is standby to be thrown, controller design temperature a, b, c, a ＜ b ＜ c, when rectification temperature sensor records temperature t ＜ a, controller is worked by first Control the first alopecia areata cooler, during a≤t ＜ b, controller is worked by second Control the second alopecia areata cooler, two groups of alopecia areata coolers work simultaneously, during b≤t ＜ c, controller is worked by the 3rd Control the 3rd alopecia areata cooler, three groups of alopecia areata coolers work simultaneously, during t >=c, controller is worked by the 4th Control the 4th alopecia areata cooler, four groups of alopecia areata coolers work simultaneously；Along with the work rectifier transformer temperature of cooler reduces, during b≤t ＜ c, controller is stopped by the 4th Control the 4th alopecia areata cooler；During a≤t ＜ b, controller is stopped by the 3rd Control the 3rd alopecia areata cooler；During t ＜ a, controller is stopped by second Control the second alopecia areata cooler, the first alopecia areata cooler work.
Selected first alopecia areata cooler is standby to be thrown, second and third, four, five alopecia areata coolers work successively, along with the work rectifier transformer temperature of cooler reduces, the five, the four, three, two alopecia areata coolers stop successively.
Selected 3rd alopecia areata cooler is standby to be thrown, controller design temperature a, b, c, a ＜ b ＜ c, when rectification temperature sensor records temperature t ＜ a, controller is worked by first Control the first alopecia areata cooler, during a≤t ＜ b, controller is worked by second Control the second alopecia areata cooler, two groups of alopecia areata coolers work simultaneously, during b≤t ＜ c, controller is worked by the 4th Control the 4th alopecia areata cooler, three groups of alopecia areata coolers work simultaneously, during t >=c, controller is worked by the 5th Control the 5th alopecia areata cooler, four groups of alopecia areata coolers work simultaneously；Along with the work rectifier transformer temperature of cooler reduces, during b≤t ＜ c, controller is stopped by the 5th Control the 5th alopecia areata cooler；During a≤t ＜ b, controller is stopped by the 4th Control the 4th alopecia areata cooler；During t ＜ a, controller is stopped by second Control the second alopecia areata cooler, the first alopecia areata cooler work.
Selected second alopecia areata cooler is standby to be thrown, and first and third, four, five alopecia areata coolers work successively, and along with the work rectifier transformer temperature of cooler reduces, the five, the four, three, one alopecia areata cooler stops successively；Selected 4th alopecia areata cooler is standby to be thrown, and first, second and third, five alopecia areata coolers work successively, and along with the work rectifier transformer temperature of cooler reduces, the five, the three, two, one alopecia areata cooler stops successively.
Rectifier transformer cooling system disclosed by the invention comprises five groups of alopecia areata coolers; alopecia areata cooler package number can also be increased or decreased according to the capacity of rectifier transformer or power; standby throwing group number can not only one; can be adjusted as required, above adjustment or amendment are the most within the scope of the present invention.
The temperature recorded in order to ensure rectification temperature sensor is more accurate, can arrange rectification temperature sensor more than two, and such as four groups, temperature t is the meansigma methods that each group of rectification temperature sensor records temperature.
Claims (6)
1. rectifier transformer cooling system, including rectifier transformer, five groups of alopecia areata coolers are set on described rectifier transformer, often it is both provided with on group alopecia areata cooler switch board stopping, working, for throwing three positions, it is characterized in that: rectification temperature sensor connects controller, controller connects five group relaies, and every group relay controls the stopping on one group of alopecia areata cooler switch board, work and standby throwing position.
Rectifier transformer cooling system the most according to claim 1, it is characterised in that: described rectification temperature sensor has four groups.
3. based on the cooling means of rectifier transformer cooling system described in claim 1, it is characterized in that: optional one group of alopecia areata cooler is standby to be thrown, it is interval at design temperature that rectification temperature sensor records temperature, and controller passes through the Control four groups of alopecia areata coolers in addition to standby throwing and works successively；Rectification temperature sensor records temperature when maximum set value is lowered the temperature, and controller is stopped successively by the Control four groups of alopecia areata coolers in addition to standby throwing.
Rectifier transformer cooling means the most according to claim 3, it is characterized in that: selected 5th alopecia areata cooler is standby to be thrown, controller design temperature a, b, c, a ＜ b ＜ c, when rectification temperature sensor records temperature t ＜ a, controller is worked by first Control the first alopecia areata cooler, during a≤t ＜ b, controller is worked by second Control the second alopecia areata cooler, two groups of alopecia areata coolers work simultaneously, during b≤t ＜ c, controller is worked by the 3rd Control the 3rd alopecia areata cooler, three groups of alopecia areata coolers work simultaneously, during t >=c, controller is worked by the 4th Control the 4th alopecia areata cooler, four groups of alopecia areata coolers work simultaneously；Along with the work rectifier transformer temperature of cooler reduces, during b≤t ＜ c, controller is stopped by the 4th Control the 4th alopecia areata cooler；During a≤t ＜ b, controller is stopped by the 3rd Control the 3rd alopecia areata cooler；During t ＜ a, controller is stopped by second Control the second alopecia areata cooler, the first alopecia areata cooler work.
Rectifier transformer cooling means the most according to claim 3, it is characterized in that: selected 3rd alopecia areata cooler is standby to be thrown, controller design temperature a, b, c, a ＜ b ＜ c, when rectification temperature sensor records temperature t ＜ a, controller is worked by first Control the first alopecia areata cooler, during a≤t ＜ b, controller is worked by second Control the second alopecia areata cooler, two groups of alopecia areata coolers work simultaneously, during b≤t ＜ c, controller is worked by the 4th Control the 4th alopecia areata cooler, three groups of alopecia areata coolers work simultaneously, during t >=c, controller is worked by the 5th Control the 5th alopecia areata cooler, four groups of alopecia areata coolers work simultaneously；Along with the work rectifier transformer temperature of cooler reduces, during b≤t ＜ c, controller is stopped by the 5th Control the 5th alopecia areata cooler；During a≤t ＜ b, controller is stopped by the 4th Control the 4th alopecia areata cooler；During t ＜ a, controller is stopped by second Control the second alopecia areata cooler, the first alopecia areata cooler work.
6. according to rectifier transformer cooling means described in claim 4 or 5, it is characterised in that: described rectification temperature sensor has four groups, and temperature t is the meansigma methods that four groups of rectification temperature sensors record temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467694.9A CN105955344B (en) | 2016-06-24 | 2016-06-24 | Rectifier transformer cooling system and cooling means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467694.9A CN105955344B (en) | 2016-06-24 | 2016-06-24 | Rectifier transformer cooling system and cooling means |
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| CN105955344A true CN105955344A (en) | 2016-09-21 |
| CN105955344B CN105955344B (en) | 2018-08-21 |
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| CN201610467694.9A Active CN105955344B (en) | 2016-06-24 | 2016-06-24 | Rectifier transformer cooling system and cooling means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706892A (en) * | 2019-10-10 | 2020-01-17 | 国网黑龙江省电力有限公司电力科学研究院 | Transformer cooling system capable of realizing state self-holding function |
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| US6336593B1 (en) * | 1998-05-15 | 2002-01-08 | Varma Trafag Limited | Multipoint digital temperature controller |
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| CN102109860A (en) * | 2009-12-23 | 2011-06-29 | 中国神华能源股份有限公司 | Method and device for controlling transformer cooling system |
| US20120091204A1 (en) * | 2010-10-18 | 2012-04-19 | Jiazheng Shi | Real-time barcode recognition using general cameras |
| CN102957208A (en) * | 2012-09-19 | 2013-03-06 | 北开电气集团有限公司 | Intelligent monitoring device of power distribution transformer and control method thereof |
| CN104460744A (en) * | 2014-11-13 | 2015-03-25 | 长沙慧林机电科技有限公司 | Cooling control method and cooling control system of large-capacity transformer |
| CN204302831U (en) * | 2014-11-26 | 2015-04-29 | 登封电厂集团铝合金有限公司 | A kind of alopecia areata cooler automatic switching device |
| CN105388933A (en) * | 2015-12-11 | 2016-03-09 | 谭焕玲 | Power transformer cooler automatic control system |
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2016
- 2016-06-24 CN CN201610467694.9A patent/CN105955344B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6336593B1 (en) * | 1998-05-15 | 2002-01-08 | Varma Trafag Limited | Multipoint digital temperature controller |
| CN102109860A (en) * | 2009-12-23 | 2011-06-29 | 中国神华能源股份有限公司 | Method and device for controlling transformer cooling system |
| CN101943921A (en) * | 2010-08-10 | 2011-01-12 | 西安市双合软件技术有限公司 | Intelligent control method and intelligent control device of transformer cooling system |
| US20120091204A1 (en) * | 2010-10-18 | 2012-04-19 | Jiazheng Shi | Real-time barcode recognition using general cameras |
| CN102957208A (en) * | 2012-09-19 | 2013-03-06 | 北开电气集团有限公司 | Intelligent monitoring device of power distribution transformer and control method thereof |
| CN104460744A (en) * | 2014-11-13 | 2015-03-25 | 长沙慧林机电科技有限公司 | Cooling control method and cooling control system of large-capacity transformer |
| CN204302831U (en) * | 2014-11-26 | 2015-04-29 | 登封电厂集团铝合金有限公司 | A kind of alopecia areata cooler automatic switching device |
| CN105388933A (en) * | 2015-12-11 | 2016-03-09 | 谭焕玲 | Power transformer cooler automatic control system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706892A (en) * | 2019-10-10 | 2020-01-17 | 国网黑龙江省电力有限公司电力科学研究院 | Transformer cooling system capable of realizing state self-holding function |
| CN110706892B (en) * | 2019-10-10 | 2022-12-30 | 国网黑龙江省电力有限公司电力科学研究院 | Transformer cooling system capable of realizing state self-holding function |
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| CN105955344B (en) | 2018-08-21 |
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