CN203350687U - Control system of transformer cooling device - Google Patents

Control system of transformer cooling device Download PDF

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Publication number
CN203350687U
CN203350687U CN2012206866381U CN201220686638U CN203350687U CN 203350687 U CN203350687 U CN 203350687U CN 2012206866381 U CN2012206866381 U CN 2012206866381U CN 201220686638 U CN201220686638 U CN 201220686638U CN 203350687 U CN203350687 U CN 203350687U
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refrigeratory
controller
standby
control system
described controller
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CN2012206866381U
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耿利军
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The utility model provides a control system of a transformer cooling device. The control system comprises at least one cooler, at least one standby cooler, parameter acquisition modules and a controller, wherein one cooler is connected with one parameter acquisition module used for acquiring preset operation parameters; the controller is connected with the parameter acquisition modules and the standby coolers and is used for receiving data information of parameters acquired by the parameter acquisition modules, and controlling a corresponding cooler to stop working and the at least one standby cooler to start operating, when values of the parameters are detected to exceed a preset range corresponding to the parameters. According to the utility model, a problem that in the prior art, normal working of a transformer is influenced because a cooling device must be stopped when a transformer cooling device control system breaks down can be solved.

Description

A kind of transformer cooling device control system
Technical field
The application relates to automatic field, particularly a kind of transformer cooling device control system.
Background technology
Usually, power transformer, when operation, all will produce loss in its iron core, coil and hardware, and these losses will change heat into and cause that transformer heating and temperature raise.Oil immersed power transformer generally adopts the A class F insulating material F, its allowable temperature is 105 ℃, therefore, temperature during the transformer operation is finite value, too high temperature can make transformer efficiency reduction, insulation ag(e)ing and physical life shorten, therefore, in order to make transformer, in operational process, can be dispelled the heat in time, cooling device is installed in the transformer working environment and is absolutely necessary.
At present, the cooling mode of wind is one of the most frequently used radiating mode of large-scale power transformer, and the air-cooling device operation conditions is generally completed by switch board.The general still traditional relay control mode of adapted of switch board, relay control mode is, with wire, the contact of relay, contactor, switch etc. is coupled together to the formation control logic by certain logical relation, the many and complexity of the line of control system.Complicated structure due to existing control system, while in this control system, having refrigeratory to break down, control system under must controlling whole relay logic is carried out breakdown maintenance, now transformer cooling device need quit work, thereby can't realize the cooling processing to transformer, and then may have influence on the normal operation of transformer.
The utility model content
The application provides a kind of transformer cooling device control system, in order to solve in prior art when the transformer cooling device control system breaks down, must stop the operation of cooling device, and then has influence on the problem of transformer normal operation.
In order to address the above problem, the application discloses a kind of transformer cooling device control system, comprising:
Supply unit, this system also comprises:
At least one refrigeratory;
At least one standby refrigeratory;
On each described refrigeratory, all be connected with for gathering the parameter acquisition module of default operational factor;
With each described parameter acquisition module and each described standby refrigeratory, be connected, receive the data message of the parameter that described parameter acquisition module collects, when the numerical value that described parameter detected exceeds the preset range corresponding with described parameter, the corresponding refrigeratory of parameter that control numerical value exceeds preset range quits work, and controls the controller that at least one standby refrigeratory brings into operation.
Preferably, described controller comprises:
The control command of sending according to described controller, the corresponding refrigeratory of parameter that execution exceeds preset range by numerical value is out of service, starts the refrigeratory changeover module of default standby refrigeratory.
Preferably, described parameter acquisition module comprises:
Zero sequence current sensor, phase current sensor and voltage sensor.
Preferably, described controller also comprises:
Store the memory module of the control command that data message that described controller receives and described controller send.
Preferably, this system also comprises:
Be connected with described controller, start to start when described supply unit is out of service, and be the standby power supply device that described transformer cooling device control system continues power supply.
Preferably, this system also comprises:
Be connected with described controller, when the numerical value that described parameter detected when described controller exceeds preset range, send the warning device of alerting signal under the control of described controller.
Preferably, this system also comprises:
With described controller, be connected, the data message remote transmission that described controller is received is to the data communication module at system monitoring center.
Preferably, this system also comprises:
Be connected with described controller, show the data message that described controller receives, and show the display of the running status of each described refrigeratory.
Preferably, this system also comprises:
With described controller, be connected, when the numerical value that described parameter detected when described controller exceeds preset range, according to the control command of described controller, numerical value is exceeded to the corresponding refrigeratory of parameter of preset range and the spacer assembly of described transformer cooling device control system isolation.
Preferably, described spacer assembly comprises:
Phase current detects mutual inductor, zero-sequence current detects mutual inductor, photoelectrical coupler and voltage detecting mutual inductor.
Compared with prior art, the application comprises following advantage:
In the transformer cooling device control system provided in the application, on each refrigeratory, all be connected with when corresponding refrigeratory operation, for gathering the parameter acquisition module of default operational factor, this parameter acquisition module by the data information transfer of the parameter that collects to controller.When detecting in received parameter, controller have parameter values to exceed preset range, illustrate that the corresponding refrigeratory of parameter that this numerical value exceeds preset range breaks down or reached out-of-work condition, now, controller is controlled this refrigeratory and is quit work, simultaneously, controlling the standby cooler package set in advance starts working.The transformer cooling device control system that the application provides, in this control system being detected, there is refrigeratory to break down or while being not suitable for work, by starting standby cooler package, transformer is proceeded to the cooling heat dissipation processing, guaranteed the continual cooling heat dissipation of transformer is processed, transformer is normally moved.
Certainly, arbitrary product of enforcement the application might not need to reach above-described all advantages simultaneously.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of transformer cooling device control system of the application embodiment mono-structural representation;
Fig. 2 is a kind of transformer cooling device control system of the application embodiment bis-structural representations.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Embodiment mono-
Refer to Fig. 1, it shows the structural representation of a kind of transformer cooling device control system embodiment mono-that the application provides, and this system can comprise following structure:
Supply unit 101, at least one refrigeratory 102, at least one standby refrigeratory 103, parameter acquisition module 104 and controller 105, wherein:
Supply unit 101 is connected with controller 105, and supply unit 101 provides working power for whole control system.
Parameter acquisition module 104 all connects on each refrigeratory 102, when refrigeratory 102 operation, gather default operational factor and by the data information transfer of the parameter that collects to controller 105.
Controller 105 is connected with each parameter acquisition module 104 and each standby refrigeratory 103, the data message of the parameter that reception parameter acquisition module 104 collects, when the numerical value that parameter detected exceeds preset range, control the corresponding refrigeratory 102 of parameter that numerical value exceeds preset range and quit work, and control at least one standby refrigeratory 103 and bring into operation.
The transformer cooling device control system that the present embodiment provides, on each refrigeratory, all be connected with when corresponding refrigeratory operation, for gathering the parameter acquisition module of default operational factor, this parameter acquisition module by the data information transfer of the parameter that collects to controller.When controller detects in received parameter, there is parameter values to exceed preset range, illustrate that the corresponding refrigeratory of parameter that this numerical value exceeds preset range breaks down or reached out-of-work condition.Now, controller is controlled this refrigeratory and is quit work, and simultaneously, controls the standby cooler package set in advance and starts working.The transformer cooling device control system that the application provides, in this control system being detected, there is refrigeratory to break down or while being not suitable for work, by starting standby cooler package, transformer is proceeded to the cooling heat dissipation processing, guaranteed transformer cooling heat dissipation processing incessantly, and then guaranteed that transformer normally moves.
Embodiment bis-
Consult Fig. 2, it shows the structural representation of the transformer cooling device control system embodiment bis-that the application provides, and on the architecture basics of the transformer cooling device control system provided at embodiment mono-, this system can comprise following structure:
Supply unit 101, at least one refrigeratory 102, at least one standby refrigeratory 103, parameter acquisition module 104 and controller 105, can also comprise: refrigeratory changeover module 105a, memory module 106, standby power supply device 107, warning device 108, display 109, data communication module 110 and spacer assembly 111.
Usually, need to arrange a plurality of refrigeratorys 102 and work simultaneously in the transformer working environment, to guarantee that transformer is carried out to radiating treatment in time.Corresponding, a plurality of standby refrigeratorys 103 are set and can guarantee to continue transformer is carried out to good radiating treatment when refrigeratory 102 breaks down or be out of service.
Refrigeratory 102 is mainly used in transformer is carried out to radiating treatment, all be connected with a parameter acquisition module 104 on each refrigeratory 102, the parameter type gathered according to the needs that set in advance, this parameter acquisition module 104 is when refrigeratory 102 operation, gather the operational factor of the refrigeratory 102 connect, and by the data information transfer that collects to controller 105.
It should be noted that, in the present embodiment, the configuration of refrigeratory 102 and standby refrigeratory 103 can be consistent, and certainly, standby refrigeratory 103 can be also the equipment that simply has refrigerating function.When detecting, refrigeratory 102 breaks down or while being not suitable for working on, system can start standby refrigeratory automatically by controller 105 continue to realize refrigerating function.
In the present embodiment, controller 105 can be the device that contains the intelligent calculation function such as single-chip microcomputer, and data message and inner set program by receiving outside input, realize the corresponding Based Intelligent Control to peripherals.It should be noted that, the parameter that parameter acquisition module 104 gathers can be the parameter types such as zero-sequence current, phase current or voltage on the loop of connected refrigeratory 102.Accordingly, parameter acquisition module 104 can be in zero sequence current sensor, phase current sensor and voltage sensor one or more.
For example, when parameter acquisition module 104 is zero sequence current sensor, the parameter type that now parameter acquisition module 104 collects is the zero-sequence current on refrigeratory 102 loops.Parameter acquisition module on each refrigeratory 102 by the data information transfer of the zero-sequence current that collects to controller 105, set in advance the corresponding permission parameter values of different parameters type variation range in controller 105, when controller 105 detects in the zero-sequence current on each received refrigeratory 102 loops, during the default variation range that occurred that the current value of the zero-sequence current of some parameter acquisition modules collection exceeds, the corresponding refrigeratory 102 of zero-sequence current that controller 105 exceeds preset range according to testing result control current value is out of service, simultaneously, set in advance the selective rule of standby refrigeratory 103 in controller 105, select at least one standby refrigeratory 103 according to the selective rule set in advance, and control selected standby refrigeratory 103 and start working.
In like manner, when the parameter gathered when parameter acquisition module 104 is phase current, voltage or other parameter types, corresponding, parameter acquisition module 104 need be set to the signal transducer corresponding with gathered parameter type.And which kind of parameter type what no matter parameter acquisition module 104 gathered is, parameter sensors 104 is all consistent with the control principle of work between controller 105, at this, does not do too much explanation and explanation.
It should be noted that, can be provided with parameter acquisition module 104 on standby refrigeratory 103, for when standby refrigeratory is started working, controller 105 also can get the operational factor of standby refrigeratory 103, be conducive to operating refrigeratory is monitored in real time, find early fault and carry out the fault eliminating.
Refrigeratory changeover module 105a is arranged on controller 105 inside, when the numerical value that parameter detected when controller 105 exceeds preset range, sending the corresponding refrigeratory 102 of parameter that numerical value exceeds preset range quits work, start at least one standby refrigeratory 103 make it the operation order the time, refrigeratory changeover module 105a is according to the order of controller 105, the corresponding refrigeratory of parameter that execution exceeds preset range by numerical value is out of service, and the default standby refrigeratory 103 of startup makes it operation.
It should be noted that, controller 105 is when controlling refrigeratory changeover module 105a work, the staff can also be set as the interior corresponding control program of controller 105 when refrigeratory 102 work are long to certain hour, controller 105 is at once controlled refrigeratory changeover module 105a and is started working, to start standby refrigeratory 103.Accordingly, controller 105 can also be controlled standby refrigeratory 103 with identical control principle, thereby realizes that the wheel between refrigeratory 102 and standby refrigeratory 103 changes jobs, and is beneficial to the maintenance to equipment.
This system can also comprise memory module 106, and memory module 106 is connected with controller 105, a series of control commands that the data message received for memory controller 105 and controller 105 send.
The effect that memory module 106 is set is, the transformer cooling device control system provided when the present embodiment is in power down suddenly or when other faults occurring causing whole control system paralysis, the system maintenance personnel can find trouble spot exactly according to the data message of memory module 106 storages, are conducive to control system is keeped in repair fast.
The problem of unexpected power down occurs in order to solve control system that foregoing mentions, the transformer cooling device control system that the present embodiment provides can also comprise the standby power supply device 107 be connected with controller 105, when supply unit 101 breaks down can not power for control system the time, controller 105 is controlled standby power supply device 107 and is started working, continue as whole transformer cooling device control system power supply, guaranteed the normal operation of whole control system.
Warning device 108 is connected with controller 105, when the numerical value that parameter detected when controller 105 exceeds preset range, under the control of controller 105, sends alerting signal.
Concrete, the form of the alerting signal that warning device 108 sends can be that pilot lamp shows, can be also that siren is reported to the police or other forms of warning.The field maintemance personnel of control system are according to the alerting signal received, and can constantly carry out the fault eliminating in first of device fails, avoid occurring finding fault in time and the situation that delays maintenance job.
Display 109 is connected with controller 105, and the data message received for display controller 105 simultaneously, can also show refrigeratory 102 and the running status of the standby refrigeratory 103 that started.
For example, controller 105 has received the data message of the zero-sequence current of the refrigeratory that parameters acquisition module 104 gathers, 105 pairs of these data messages of controller carry out calculation process, and zero-sequence current is presented on display 109 with decimal number, operating personnel can be by the data that show on observation display 109 and then the running status of understanding whole control system.Display 109 can be shown respectively for the running status of each refrigeratory 102, display format can be to list respectively the sequence number of each refrigeratory with the form of form, shows the information whether operational factor of refrigeratory and refrigeratory stop transport etc. on corresponding position.
In addition, also can show the running status of standby refrigeratory 103 on display 109, for example, the standby refrigeratory that sequence number is 001 is activated, and so now shows on it that can demonstrate the standby refrigeratory 103 that sequence number is 001 just is being in operation.
In the present embodiment, display 109 can be the LCD liquid crystal display, can corresponding demonstrate the running status of each refrigeratory 102 and standby refrigeratory 103 with the LED light emitting diode.
Data communication module 110 is connected with controller 105, and the data message remote transmission that this data communication module 110 receives controller 105 is to the system monitoring center that transformer running environment is monitored.Wherein, the mode of data information transfer can be also wire transmission for wireless transmission, according to actual application environment, determines.
By data communication module is set, the data information transfer that controller monitoring is arrived, to Surveillance center, makes the monitor staff recognize in real time the ruuning situation of whole control system, is conducive to pinpoint the problems early and deal with problems.
Spacer assembly 111 is connected with controller 105 and each refrigeratory 102, when the numerical value that parameter detected when controller 105 exceeds preset range, according to the control command of controller 105, numerical value is exceeded to the corresponding refrigeratory 102 of parameter and the isolation of transformer cooling device control system of preset range.
Usually the mode of isolation is for to be converted to less signal by the large electric signal or the non-electrical signal that detect, thereby avoided in the system trouble spot when the excessive abnormal conditions such as electric current, voltage or temperature of appearance to impact whole system.
Concrete, spacer assembly 111 can detect mutual inductor for phase current, zero-sequence current detects the devices such as mutual inductor, voltage detecting mutual inductor and electrothermal relay.
For example; when spacer assembly 111 detects mutual inductor for phase current; this phase current detects mutual inductor by detecting the size of the phase current on refrigeratory 102; when the size of phase current exceeds default numerical range; this phase current detects mutual inductor by phase current is reduced; and then intercepted passing through of large electric current, protected whole control system not to be subject to the impact of large electric current.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.For device class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part gets final product referring to the part explanation of embodiment of the method.
Finally, also it should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Being divided into various unit with function while for convenience of description, describing above device describes respectively.Certainly, when implementing the application, can realize the function of each unit in same or a plurality of software and/or hardware.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add essential general hardware platform by software and realizes.Understanding based on such, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, embedded system, Single Chip Microcomputer (SCM) system, server, or the network equipment etc.) carry out the described method of some part of each embodiment of the application or embodiment.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (9)

1. a transformer cooling device control system, this system comprises: supply unit, it is characterized in that, this system also comprises:
At least one refrigeratory;
At least one standby refrigeratory;
On each described refrigeratory, all be connected with for gathering the parameter acquisition module of default operational factor;
Be connected with each described parameter acquisition module and each described standby refrigeratory and be provided with the controller of refrigeratory changeover module.
2. system according to claim 2, is characterized in that, described parameter acquisition module comprises:
Zero sequence current sensor, phase current sensor and voltage sensor.
3. system according to claim 1 and 2, is characterized in that, described controller also comprises:
Store the memory module of the control command that data message that described controller receives and described controller send.
4. system according to claim 1, is characterized in that, this system also comprises:
Be connected with described controller, start to start when described supply unit is out of service, and be the standby power supply device that described transformer cooling device control system continues power supply.
5. system according to claim 1, is characterized in that, this system also comprises:
The warning device be connected with described controller.
6. system according to claim 1, is characterized in that, this system also comprises:
With described controller, be connected, the data message remote transmission that described controller is received is to the data communication module at system monitoring center.
7. system according to claim 1, is characterized in that, this system also comprises:
Be connected with described controller, show the data message that described controller receives, and show the display of the running status of each described refrigeratory.
8. system according to claim 1, is characterized in that, this system also comprises:
The spacer assembly be connected with described controller and each described refrigeratory.
9. system according to claim 8, is characterized in that, described spacer assembly comprises:
Phase current detects mutual inductor, zero-sequence current detects mutual inductor, photoelectrical coupler and voltage detecting mutual inductor.
CN2012206866381U 2012-12-05 2012-12-05 Control system of transformer cooling device Expired - Lifetime CN203350687U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597177A (en) * 2017-01-06 2017-04-26 国家电网公司 Method for determining full shutdown of air-cooling unit of transformer by using analog value and switching value
CN106646063A (en) * 2017-01-06 2017-05-10 国家电网公司 Method of determining transformer forced air cooling full cut-off by using transformer cooler load current
CN111556121A (en) * 2020-04-23 2020-08-18 陕西安得电力设备制造有限公司 Fault early warning system and method for online detection of intelligent Internet of things of transformer air cooling system
CN114974856A (en) * 2022-05-27 2022-08-30 岭澳核电有限公司 Replacement method of oil flow indicator of transformer of nuclear power station

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597177A (en) * 2017-01-06 2017-04-26 国家电网公司 Method for determining full shutdown of air-cooling unit of transformer by using analog value and switching value
CN106646063A (en) * 2017-01-06 2017-05-10 国家电网公司 Method of determining transformer forced air cooling full cut-off by using transformer cooler load current
CN111556121A (en) * 2020-04-23 2020-08-18 陕西安得电力设备制造有限公司 Fault early warning system and method for online detection of intelligent Internet of things of transformer air cooling system
CN114974856A (en) * 2022-05-27 2022-08-30 岭澳核电有限公司 Replacement method of oil flow indicator of transformer of nuclear power station
CN114974856B (en) * 2022-05-27 2023-09-22 岭澳核电有限公司 Method for replacing transformer oil flow indicator of nuclear power station

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