CN105304275A - Abnormal operation early warning method and apparatus of transformer substation equipment - Google Patents

Abnormal operation early warning method and apparatus of transformer substation equipment Download PDF

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Publication number
CN105304275A
CN105304275A CN201510821299.1A CN201510821299A CN105304275A CN 105304275 A CN105304275 A CN 105304275A CN 201510821299 A CN201510821299 A CN 201510821299A CN 105304275 A CN105304275 A CN 105304275A
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Prior art keywords
baffler
transformer
substation equipment
warning device
prior
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CN201510821299.1A
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CN105304275B (en
Inventor
汪锋
智勇军
殷红德
陈瑾
陆畅
张大庆
智津津
李晓航
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Pingdingshan Power Supply Co of State Grid Henan Electric Power Co Ltd
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Pingdingshan Power Supply Co of State Grid Henan Electric Power Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations

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  • Housings And Mounting Of Transformers (AREA)
  • Transformer Cooling (AREA)

Abstract

The invention discloses an abnormal operation early warning apparatus of transformer substation equipment. The abnormal operation early warning apparatus comprises a transformer enclosure wall with the back surface connected with a back plate by virtue of a plurality of connecting pieces, the connecting pieces are connected with the back plate and/or the transformer enclosure wall by virtue of a guide plate arranged on the back surface of the transformer enclosure wall and/or on the front surface of the back plate, the back plate is connected with the transformer enclosure wall by virtue of the connecting pieces to form coolant clearances, and a plurality of temperature sensors and flow rate sensors are arranged on the surface of the back plate in the coolant clearances. For the traditional transformer structure form, the cooling mechanism is directly arranged on the transformer enclosure wall to directly cool the transformer, the cooling effect is guaranteed; the guide plate is arranged on the transformer enclosure wall, and a connecting hole is formed in the guide plate, so that no dead corner is guaranteed during the entire cooling process, the service life of the transformer is prolonged, the working efficiency of the transformer is guaranteed; only the back plate is provided with a plurality of sensors, the monitoring and early warning for the transformer can be realized; and moreover, the abnormal operation early warning apparatus is stable, reliable and worthy of being popularized and used.

Description

A kind of substation equipment misoperation method for early warning and device thereof
Technical field
The present invention relates to substation equipment safe operation technical field, particularly a kind of substation equipment misoperation method for early warning and device thereof.
Background technology
Along with the development of society, people are also increasing to the demand of electric power, especially in annual winter summer peak times of power consumption, often transformer overwork, and most transformer produces a large amount of heat owing to working overloadingly, can not shed in time and cause transformer to quit work or transformer damage occurs, even cause the phenomenon of Explosion of Transformer, not only had a strong impact on the productive life of the people, and also result in the damage of power equipment, cause damage to country, analyze its reason:
When transformer runs, the heat that the loss in winding and iron core produces must be gone out in dissipation in time, in order to avoid overheated and cause insulation damages; For small capacity transformer, external surface area is relatively large with the ratio of transformer volume, can adopt self cooling mode, heat can be left by radiation and free convection; Also oil immersed type can be adopted; Self cooling mode is applicable to indoor small transformer, in order to fire preventing, generally adopts dry type, without oil immersion; But because subregion powers pressure greatly, oil-filled transformer also can be adopted to power, but heat radiation cooling device is conventional oil, but the specific heat capacity of the cooling of air often due to gas is less, makes the thermal Finite that it is taken away; Due to the loss of transformer and its volume proportional, so along with the increase of transformer capacity, its volume and loss will increase with core dimensions cube, and external surface area only increases according to the quadratic power of size.Therefore, high-power transformer iron core and winding should be immersed in oil, need to adopt other cooling provisions to cool, and need to monitor to it generation avoiding danger by arranging monitoring device.
In CN102403090A, disclose a kind of oil-water cooler, be specifically related to a kind of transformer oil-water cooler, belong to technical field of heat dissipation.Oil-water cooler, comprise oil cooler and water cooler and secondary water tank, oil cooler and water cooler side by side arrangement, secondary water tank is arranged at above water cooler; Oil cooler and water cooler provided with fan cover, described fan guard is square, and cover oil cooler and water cooler, fan guard central authorities are manhole; The another side of oil cooler installs oily side Air Filter, oily side Air Filter size and oil cooler cross section similar, the another side of water cooler installs water side Air Filter, and size and the water cooler of water side Air Filter are similar.But it does not still solve the uneven problem of heat radiation.
In CN103714948A, disclose a kind of water-cooled transformer iron core cooling means, it is characterized in that: described core interior adopts recirculated water cooling method.Core interior described in the present invention adopts recirculated water cooling method, efficiently avoid because transformer fe core diameter is large, unit are heat load is large, heat conduction path is very long, produced loss is gone out large thus cause the overheated of iron core to cause scaling loss in conducted inside unshakable in one's determination, because iron core obtains cooling effectively, temperature effectively obtains control and can not produce and overheatedly cause scaling loss, so the diameter of iron core can be reduced, thus decrease the loss of core material, the material of its water-cooled transformer main body also can be reduced accordingly thereupon, also can guarantee comprehensive radiating effect of water-cooled transformer simultaneously, improve useful life.But this device due to adopt water be medium, and specific heat of water holds less, be easy to because water boiling build-up of pressure is excessive, thus produce the phenomenon of leaking or leaking gas, increase potential safety hazard, and do not design the method for reply safety monitoring due to it, in transformer station, transformer is stable, and increases the input of staff and the input of equipment.
To sum up: need one can either ensure transformer steady operation by uniform decrease in temperature, and a kind of substation equipment abnormity early warning scheme can be provided to protect liquid cooling apparatus even running.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, disclose a kind of substation equipment misoperation method for early warning and device thereof.
Technical scheme adopted to achieve these goals:
A kind of substation equipment misoperation prior-warning device, comprise the transformer leg that a back side is connected with backboard by some connectors, described connector is connected with described backboard and/or described transformer leg by the baffler arranged upper before the back side of described transformer leg and/or described backboard, form cooling agent gap by described connector between described backboard and described transformer leg, the inherent back plate surface in described cooling agent gap arranges some temperature sensors and flow sensor.
Described cooling agent gap surrounding arranges sealing plate, and two parallel described sealing plate places arrange water inlet and delivery port respectively.
Described baffler is arranged on described water inlet, the end face of described baffler and the water (flow) direction of described water inlet non-parallel.
It is circular arc type, reverse V-shaped or linear pattern that described baffler overlooks face, the interlaced setting of described baffler.
Described baffler arranges projection, described projection arranges connecting hole.
Described reverse V-shaped baffler angle is 120 ~ 150 °, and the height of described baffler is 1/2 ~ 4/5 of gap width.
Described connector is bolt.
The quantity of described water inlet and delivery port is three.
The height of described baffler is consistent with the width in gap, and described baffler arranges connecting hole, and the baffler between described connecting hole arranges water hole.
Described temperature sensor and described flow sensor are interconnected with described microcontroller signal respectively, and described microcontroller is connected by the parametric controller of signal transceiver with Substation control room.
A kind of substation equipment misoperation method for early warning, comprises the following steps:
1) by the information feed back of temperature sensor and flow sensor to microcontroller, and to be regulated by microcontroller;
2) information of acquisition is fed back to parametric controller by signal transceiver by microcontroller;
3) parametric controller is analyzed the information obtained, if send after exceeding warning numerical value, can send early warning alarm, reminds staff to take the necessary measures.
The present invention adopts transformer leg as the carrier of heat radiation, and make heat conductivility faster, heat conduction amount is larger; The form of baffler is set after transformer leg and/or before backboard, and connecting hole is set thereon, transformer leg and backboard are coupled together by it by bolt closely; The effect supporting cooling agent gap can not only be played, if be arranged on transformer leg, the intensity of transformer leg can be increased, thus add the useful life of transformer leg, the mode of multiple water inlet and delivery port is adopted to be disperseed by current, thus avoid because current concentrate the part corner water caused to flow through slowly, cause temperature too high, thus make the phenomenon that local overheating causes transformer impaired; The temperature of cooling agent and changes in flow rate when simultaneously on backboard, set temperature transducer and flow sensor can obtain cooling, by the change of temperature and flow, whether the operation that can analyze transformer in transformer station overloads, if temperature raises and flow velocity is accelerated, can the highest warning be sent, remind staff to note patrolling and examining; If temperature raises and flow velocity is inconvenient, then give a warning and improve the flow velocity of cooling agent; If temperature reduces and flow velocity increases, then can not give a warning, show the normal display identical with low temperature underflow speed; And the microcontroller arranged is common PLC, it possesses Presentation Function can not only realize local control automatically, also by signal transmission to parametric controller, directly can observe when can also realize patrolling and examining, makes operation very easy.
The baffler that the present invention adopts is in water inlet, its shape can be arc-shaped, the shape of falling V or linear pattern, mainly in order to the current of water inlet are disperseed, make dispersion more even, cooling agent is avoided directly to enter from water inlet and flow out from delivery port, cause corner heat not take away in time, cause the phenomenon of local overheating, angle during the employing shape of falling V baffler between its two halves baffler is 120 ~ 150 °, current can not only be carried out the impact disperseing and can reduce as much as possible streaming potential by this angle, make water-flow equation more even, and the height arranged to be 1/2 ~ 4/5 of gap make gap location be provided with a very little gap, current can be made to pass therethrough avoid baffler to cause flow velocity to cause the phenomenon of local overheating excessively slowly in face of the dorsal part of current due to the reason of turbulent flow, in order to ensure that the cooling quality of corner is arranging pipe close near two water inlets of corner and delivery port, make it current at high pressure place can be drained to low-pressure water place when not interfering by other current, further improve corner sluggish flow phenomenon.
Version of the present invention, for existing transformer device structure form, cooling body is set directly at transformer leg place, directly it is cooled, ensure the effect of cooling, the form of baffler is set thereon, and connecting hole is set thereon, fixed supported effect can not only be realized, and can more even by water-flow equation, guarantee that whole cooling procedure is without dead angle, add the useful life of transformer, ensure that the operating efficiency of transformer, some transducers are only set on backboard simultaneously and just can play monitoring and warning to transformer, and it is reliable and stable, it is made to be worthy to be popularized and application.
Accompanying drawing explanation
Fig. 1 is side structure schematic diagram of the present invention;
Fig. 2 is the structural representation of top view cross section of the present invention;
Fig. 3 is the partial structurtes enlarged diagram of the air deflector of embodiments of the invention one;
Fig. 4 is the partial structurtes enlarged diagram of the air deflector of embodiments of the invention two;
Fig. 5 is the structural representation of baffler of the present invention;
Fig. 6 is the structure diagram of warning system of the present invention.
Embodiment
In order to further instruction superiority of the present invention, performance of the present invention is carried out to the test of different pieces of information:
First group: adopt identical transformer, adopt the version of version of the present invention, traditional forced oil-circulation cooling body and natural heat dissipation respectively, test transformer leg bulk temperature difference, first preventive maintenance time and maintenance period respectively, the experimental data of acquisition is as shown in the table:
Title Temperature difference Preventive maintenance time first Maintenance period
The present invention 3~6℃ 8.7-9.5 year 2 years
Forced oil-circulation cools 15~20℃ 6-6.5 year 0.6 year
Natural heat dissipation 20~25℃ 4-5.5 year 0.3 year
Note: this group experiment test object is 100KV oil-filled transformer, operational environment is normal temperate continental climate; Use 200 covers to equip the mean value tested respectively, the temperature difference of employing is the temperature difference of corner areas on leg same temperature band and central area simultaneously continuously.
Although adopt identical transformer as can be seen from the above table, but as can be seen from continuous service condition, it is larger that the present invention well overcomes temperature deviation, and the time of safeguarding first can reach 9.5 years, far exceed the time of conventional transformer, its single maintenance period is 2 years simultaneously, its easy maintenance as seen, be convenient to management, failure rate is low.
Second group: adopt the version that baffler is set at the transformer leg back side, then respectively test setting pipe with temperature difference and the useful life of pipe are not set, the data of acquisition are as follows:
Title Temperature difference Preventive maintenance time first
Pipe is set 3~6℃ 8.7-9.5 year
Pipe is not set 10~17℃ 7.3-7.9 year
Note: this group experiment test object is 100KV oil-filled transformer, operational environment is normal temperate continental climate; Use 200 covers to equip the mean value tested respectively, the temperature difference of employing is the temperature difference of corner areas on leg same temperature band and central area simultaneously continuously.
Even if adopt identical deflector structure as can be seen from the above table, if the pipe not adopting the present invention to arrange, the effect of acquisition, also lower than the present invention, just creates the excellent practical function of the present invention under the effect of only mutually working in coordination with at each component of this device as seen.
3rd group: the form of employing baffler arranges 120 °, 135 °, 150 ° angles respectively and is highly gap width 1/2,2/3,4/5 place, and test its temperature difference, useful life and structure bending strength respectively, the experimental data of acquisition is as follows:
Title Temperature difference DEG C Preventive maintenance time first
120°1/2 3.8 8.9 year
120°2/3 3.6 9.1 year
120°4/5 4.9 9.2 year
135°1/2 4.3 8.95 year
135°2/3 3.0 9.5 year
135°4/5 3.9 9.35 year
150°1/2 4.1 8.8 year
150°2/3 5.99 8.7 year
150°4/5 3.3 9.3 year
As can be seen from the above table when baffler is 135 ° and highly for gap 2/3, its effect obtained is best, not only preventive maintenance time is long first, and on its same temperature band the temperature of corner and the difference in central high temperature region minimum, visible not combination in any just can realize optimum efficiency of the present invention; Be under the synergy of baffler and baffler height, obtain optimum efficiency of the present invention.
4th group: adopt identical device for transformer, respectively test setting prior-warning device with prior-warning device is not set, the probability that goes wrong of test transformer, the data of acquisition are as follows:
Title Probability Preventive maintenance time first
Prior-warning device is set 0.01% 8.8-9.9 year
Prior-warning device is not set 2-3% 7.1-7.5 year
Note: this group experiment test object is 100KV oil-filled transformer, operational environment is normal temperate continental climate; Use 200 covers to equip the mean value tested respectively simultaneously continuously, obtained the probability gone wrong by statistical calculations.
Even if adopt identical deflector structure as can be seen from the above table, if do not adopt the prior-warning device that the present invention is arranged, the effect obtained, also lower than the present invention, just creates the excellent practical function of the present invention under the effect of only mutually working in coordination with at each component of this device as seen.
Superiority of the present invention is further illustrated below in conjunction with accompanying drawing 1 ~ 6 specific embodiment:
Embodiment one: a kind of substation equipment misoperation prior-warning device, comprise the transformer leg 1 that a back side is connected with backboard 2 by some connectors, the baffler 3 that described connector is arranged by the back side of described transformer leg 1 is connected with described transformer leg 1, form cooling agent gap by described connector between described backboard 2 and described transformer leg 1, the inherent back plate surface in described cooling agent gap arranges some temperature sensors 13 and flow sensor 14.
Described cooling agent gap surrounding arranges sealing plate 9, and two parallel described sealing plate 9 places arrange water inlet 6 and delivery port 8 respectively.
Described baffler 3 is arranged on described water inlet 6 place, the end face of described baffler 3 and the water (flow) direction of described water inlet 6 non-parallel.
It is reverse V-shaped that described baffler 3 overlooks face, the interlaced setting of described baffler.
Described baffler 3 is arranged protruding 4, on described protruding 4, connecting hole is set.
Described reverse V-shaped baffler 3 angle 10 is 120 °, and the height of described baffler is 1/2 of gap width.
Described water inlet 6 is three with the quantity of delivery port 8.
The height of described baffler 3 is consistent with the width in gap, and described baffler arranges connecting hole, and the baffler 3 between described connecting hole arranges water hole 7.
Described water inlet 6 is arranging pipe 5 with described delivery port 8 near panel place, both sides, and described pipe 5 one end is near water inlet 6 or delivery port 8, and the other end is near the edge of described transformer leg.
Described cylinder 5 is greater than the horn-like cylinder of apopore in inlet opening.
Described temperature sensor 13 is interconnected with described microcontroller 15 signal respectively with described flow sensor 14, and described microcontroller 15 is connected with the parametric controller 17 of Substation control room by signal transceiver 16.
A kind of substation equipment misoperation method for early warning, comprises the following steps:
1) by the information feed back of temperature sensor and flow sensor to microcontroller, and to be regulated by microcontroller;
2) information of acquisition is fed back to parametric controller by signal transceiver by microcontroller;
3) parametric controller is analyzed the information obtained, if send after exceeding warning numerical value, can send early warning alarm, reminds staff to take the necessary measures.
Embodiment two: a kind of substation equipment misoperation prior-warning device, comprise the transformer leg 1 that a back side is connected with backboard 2 by some connectors, the baffler 3 that the back side of described connector by described transformer leg 1 is arranged is connected with described transformer leg 1, form cooling agent gap by described connector between described backboard 2 and described transformer leg 1, the inherent back plate surface in described cooling agent gap arranges some temperature sensors 13 and flow sensor 14.
Described cooling agent gap surrounding arranges sealing plate 9, and two parallel described sealing plate 9 places arrange water inlet 6 and delivery port 8 respectively.
Described baffler 3 is arranged on described water inlet 6 place, the end face of described baffler 3 and the water (flow) direction of described water inlet 6 non-parallel.
It is reverse V-shaped that described baffler 3 overlooks face, the interlaced setting of described baffler.
Described baffler 3 is arranged protruding 4, on described protruding 4, connecting hole is set.
Described reverse V-shaped baffler 3 angle 10 is 135 °, and the height of described baffler is 2/3 of gap width.
Described water inlet 6 is three with the quantity of delivery port 8.
The height of described baffler 3 is consistent with the width in gap, and described baffler arranges connecting hole, and the baffler 3 between described connecting hole arranges water hole 7.
Described water inlet 6 is arranging pipe 5 with described delivery port 8 near panel place, both sides, and described pipe 5 one end is near water inlet 6 or delivery port 8, and the other end is near the edge of described transformer leg.
Described cylinder 5 is greater than the horn-like cylinder of apopore in inlet opening.
Described temperature sensor 13 is interconnected with described microcontroller 15 signal respectively with described flow sensor 14, and described microcontroller 15 is connected with the parametric controller 17 of Substation control room by signal transceiver 16.
Embodiment three, a kind of substation equipment misoperation prior-warning device, comprise the transformer leg 1 that a back side is connected with backboard 2 by some connectors, described connector is connected with described backboard 2 by the baffler 3 arranged upper before described backboard 2, form cooling agent gap by described connector between described backboard 2 and described transformer leg 1, the inherent back plate surface in described cooling agent gap arranges some temperature sensors 13 and flow sensor 14.
Described cooling agent gap surrounding arranges sealing plate 9, and two parallel described sealing plate 9 places arrange water inlet 6 and delivery port 8 respectively.
Described baffler 3 is arranged on described water inlet 6 place, the end face of described baffler 3 and the water (flow) direction of described water inlet 6 non-parallel.
It is circular arc type that described baffler 3 overlooks face, the interlaced setting of described baffler.
Described baffler 3 is arranged protruding 4, on described protruding 4, connecting hole is set.
Described reverse V-shaped baffler 3 angle 10 is 150 °, and the height of described baffler is 4/5 of gap width.
Described water inlet 6 is three with the quantity of delivery port 8.
The height of described baffler 3 is consistent with the width in gap, and described baffler arranges connecting hole, and the baffler 3 between described connecting hole arranges water hole 7.
Described water inlet 6 is arranging pipe 5 with described delivery port 8 near panel place, both sides, and described pipe 5 one end is near water inlet 6 or delivery port 8, and the other end is near the edge of described transformer leg.
Described cylinder 5 near water inlet time its inlet opening towards water inlet, described cylinder 5a when delivery port its inlet opening then towards the edge of transformer leg.
Described temperature sensor 13 is interconnected with described microcontroller 15 signal respectively with described flow sensor 14, and described microcontroller 15 is connected with the parametric controller 17 of Substation control room by signal transceiver 16.
Having more that the present embodiment adopts circular arc type baffler that current are disperseed is streamlined, and then the potential energy of current is reduced less, resistance is less, can take away corner and overall heat fast, avoid leg to occur uneven phenomenon of being heated, substantially prolongs the useful life of transformer leg.
Embodiment four: a kind of substation equipment misoperation prior-warning device, comprise the transformer leg 1 that a back side is connected with backboard 2 by some connectors, the baffler 3 that the back side of described connector by described transformer leg 1 is arranged is connected with described backboard 2, form cooling agent gap by described connector between described backboard 2 and described transformer leg 1, the inherent back plate surface in described cooling agent gap arranges some temperature sensors 13 and flow sensor 14.
Described cooling agent gap surrounding arranges sealing plate 9, and two parallel described sealing plate 9 places arrange water inlet 6 and delivery port 8 respectively.
Described baffler 3 is arranged on described water inlet 6 place, the end face of described baffler 3 and the water (flow) direction of described water inlet 6 non-parallel.
It is reverse V-shaped that described baffler 3 overlooks face, the interlaced setting of described baffler.
Described baffler 3 is arranged protruding 4, on described protruding 4, connecting hole is set.
Described reverse V-shaped baffler 3 angle 10 is 150 °, and the height of described baffler is 1/2 of gap width.
Described water inlet 6 is three with the quantity of delivery port 8.
The height of described baffler 3 is consistent with the width in gap, and described baffler arranges connecting hole, and the baffler 3 between described connecting hole arranges water hole 7.
Described water inlet 6 is arranging pipe 5 with described delivery port 8 near panel place, both sides, and described pipe 5 one end is near water inlet 6 or delivery port 8, and the other end is near the edge of described transformer leg.
Described temperature sensor 13 is interconnected with described microcontroller 15 signal respectively with described flow sensor 14, and described microcontroller 15 is connected with the parametric controller 17 of Substation control room by signal transceiver 16.
Although the present invention with preferred embodiment openly as above; so it is not intended to limiting the invention; anyly have the knack of this those skilled in the art; without departing from the spirit and scope of the present invention make an amendment, change and retouching, the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.

Claims (9)

1. a substation equipment misoperation prior-warning device, comprise the transformer leg that a back side is connected with backboard by some connectors, described connector is connected with described backboard and/or described transformer leg by the baffler arranged upper before the back side of described transformer leg and/or described backboard, it is characterized in that: form cooling agent gap by described connector between described backboard and described transformer leg, the inherent back plate surface in described cooling agent gap arranges some temperature sensors and flow sensor.
2. substation equipment misoperation prior-warning device as claimed in claim 1, it is characterized in that: described cooling agent gap surrounding arranges sealing plate, two parallel described sealing plate places arrange water inlet and delivery port respectively.
3. substation equipment misoperation prior-warning device as claimed in claim 2, is characterized in that: described baffler is arranged on described water inlet, the end face of described baffler and the water (flow) direction of described water inlet non-parallel.
4. substation equipment misoperation prior-warning device as claimed in claim 1, is characterized in that: it is circular arc type, reverse V-shaped or linear pattern that described baffler overlooks face, the interlaced setting of described baffler.
5. substation equipment misoperation prior-warning device as claimed in claim 1, is characterized in that: described baffler arranges projection, described projection arranges connecting hole.
6. substation equipment misoperation prior-warning device as claimed in claim 4, it is characterized in that: described reverse V-shaped baffler angle is 120 ~ 150 °, the height of described baffler is 1/2 ~ 4/5 of gap width.
7. substation equipment misoperation prior-warning device as claimed in claim 1, is characterized in that: the height of described baffler is consistent with the width in gap, described baffler arranges connecting hole, the baffler between described connecting hole arranges water hole.
8. substation equipment misoperation prior-warning device as claimed in claim 1, it is characterized in that: described temperature sensor and described flow sensor are interconnected with microcontroller signal respectively, described microcontroller is connected by the parametric controller of signal transceiver with Substation control room.
9. substation equipment misoperation prior-warning device as claimed in claim 1, is characterized in that: a kind of substation equipment misoperation method for early warning, comprises the following steps:
1) by the information feed back of temperature sensor and flow sensor to microcontroller, and to be regulated by microcontroller;
2) information of acquisition is fed back to parametric controller by signal transceiver by microcontroller;
3) parametric controller is analyzed the information obtained, if send after exceeding warning numerical value, can send early warning alarm, reminds staff to take the necessary measures.
CN201510821299.1A 2015-11-24 2015-11-24 A kind of substation equipment misoperation method for early warning and its device Active CN105304275B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107025981A (en) * 2017-06-15 2017-08-08 国网山东省电力公司龙口市供电公司 A kind of power transformer automatic spray heat sink and spraying cooling method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135527A (en) * 1999-11-10 2001-05-18 Toshiba Corp Stationary induction equipment
JP2006295021A (en) * 2005-04-14 2006-10-26 Nissin Electric Co Ltd Power apparatus
CN202084384U (en) * 2011-04-14 2011-12-21 河南勃达微波设备有限责任公司 Novel hybrid cooling device for water jacket oil immersed transformer
CN203351342U (en) * 2013-06-22 2013-12-18 浙江申工变压器制造有限公司 Oil-immersed transformer with water circulation cooling device
CN103779046A (en) * 2013-12-17 2014-05-07 浙江金冠特种变压器有限公司 Transformer cooling device
CN204286154U (en) * 2014-12-03 2015-04-22 中国西电电气股份有限公司 A kind of oil-filled transformer cooling gilled radiator
CN104766702A (en) * 2015-04-18 2015-07-08 陈剑浩 Intelligent water cooling type transformer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135527A (en) * 1999-11-10 2001-05-18 Toshiba Corp Stationary induction equipment
JP2006295021A (en) * 2005-04-14 2006-10-26 Nissin Electric Co Ltd Power apparatus
CN202084384U (en) * 2011-04-14 2011-12-21 河南勃达微波设备有限责任公司 Novel hybrid cooling device for water jacket oil immersed transformer
CN203351342U (en) * 2013-06-22 2013-12-18 浙江申工变压器制造有限公司 Oil-immersed transformer with water circulation cooling device
CN103779046A (en) * 2013-12-17 2014-05-07 浙江金冠特种变压器有限公司 Transformer cooling device
CN204286154U (en) * 2014-12-03 2015-04-22 中国西电电气股份有限公司 A kind of oil-filled transformer cooling gilled radiator
CN104766702A (en) * 2015-04-18 2015-07-08 陈剑浩 Intelligent water cooling type transformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107025981A (en) * 2017-06-15 2017-08-08 国网山东省电力公司龙口市供电公司 A kind of power transformer automatic spray heat sink and spraying cooling method
CN107025981B (en) * 2017-06-15 2018-10-16 国网山东省电力公司龙口市供电公司 A kind of power transformer automatic spray heat sink and spraying cooling method

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