CN102810843A - Protective measuring and monitoring device for box-type transformer of wind driven generator - Google Patents
Protective measuring and monitoring device for box-type transformer of wind driven generator Download PDFInfo
- Publication number
- CN102810843A CN102810843A CN2011101474270A CN201110147427A CN102810843A CN 102810843 A CN102810843 A CN 102810843A CN 2011101474270 A CN2011101474270 A CN 2011101474270A CN 201110147427 A CN201110147427 A CN 201110147427A CN 102810843 A CN102810843 A CN 102810843A
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- module
- box
- input module
- blower fan
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Landscapes
- Protection Of Transformers (AREA)
Abstract
The invention discloses a protective measuring and monitoring device for a box-type transformer of a wind driven generator. The protective measuring and monitoring device comprises a microprocessor, a direct-current value input module, an on-off value output module, an on-off value input module and a current and voltage input module, wherein the current and voltage input module is used for acquiring a three-phase current value and a three-phase voltage value of the transformer and transmitting the values to the microprocessor, the microprocessor is used for comparing the values with stored set protection values to generate warning information or send tripping signals to the on-off value output module, the on-off value input module is used for monitoring internal faults and various on-off states and transmitting the corresponding fault information or on-off shift information to the microprocessor, and the direct-current input module is used for measuring the temperature and transmitting corresponding signals to the microprocessor. The protective measuring and monitoring device is capable of timely collecting important parameter information of a box-type transformer substation and sending protection tripping commands when the faults are generated, so that safety operation of the box-type transformer substation and rapid removal of the faults are effectively guaranteed, and remote monitoring can be achieved. Besides, manpower and material resources can be saved, and safety of transformer equipment can be improved.
Description
Technical field
The present invention relates to automation field, be specifically related to the box tranformer protection measure and control device of a kind of blower fan.
Background technology
Fast development along with the wind-powered electricity generation industry; The non intelligent maximum that changes in order to influence the wind energy turbine set automated process of current 35kV box type transformer hinders; The various information of transformer can't be uploaded to Central Control Room in real time in case became; Make case become monitoring blind area for wind energy turbine set; Thereby can only pass through operations staff's periodical inspection, but it has following drawback: when 1, the operator on duty makes an inspection tour at the scene, need drive or the meetings such as hot line job walking at wind field on foot, case is become cause huge potential safety hazard to the person.Various information during 2, owing to the box type transformer operation such as transformer current, voltage, oil level, oily temperature etc. can't be monitored in real time, when it has unusual even breaks down, can not in time report to the police or start protection, have a strong impact on the safe operation of equipment.3, most wind energy turbine set regularly all will be carried out case and become tour, makes a copy of data, checks hidden danger.Need month after month to drop into manpower and materials throughout the year for this reason.If 4 have case to become does not give warning in advance because potential safety hazard is arranged or protects and have an accident, with the direct losses of bringing case change device damage and the indirect loss of maintenance period energy output.
Current; The construction scale in advance of most of wind energy turbine set is all less; Progressively enlarging along with the later stage; The blower fan of distal-most end is apart from the distance of Central Control Room even reach tens kilometers, like this operations staff's scene make an inspection tour difficulty will be increasing, the large-scale wind field that has even all can't accomplish a tour cycle in several days.Especially in area, the not mild hillside of physical features or meet the bad weather of storm wind sleet, it is more outstanding that problem can seem.Along with the development of wind power technology, the raising that wind energy turbine set requires automaticity, the intelligent monitoring that case is become has become trend.
Now a lot of wind field operators and domestic manufacturer still monitor with protective device; With common 485 or CAN carry out collection capacity on give; Because on-the-spot blower fan spacing is distant; So be to need to consider aspect communication distance and the communication speed, but common twisted-pair feeder communication is to have satisfied not such requirement; What external producer much adopted is optical fiber type communication hand in hand, at that rate as long as wherein any one goes wrong, then can cause the wind field paralysis, safeguards and checks so will drop into a large amount of manpower and financial resources, even like this, also can't resolve root problem.
Summary of the invention
For addressing the above problem, the box tranformer protection measure and control device of blower fan of the present invention technical scheme is following.
The box tranformer protection measure and control device of blower fan of the present invention; Comprise microprocessor and the DC quantity input module that is connected with said microprocessor respectively, switching value output module, switching input module and current/voltage input module; Said current/voltage input module is used to gather three-phase current, the magnitude of voltage of transformer; And transfer to microprocessor; Said microprocessor compares the protection definite value of above-mentioned value and storage, if meet the protection operation condition, then microprocessor produces warning information or sends out trip signal to the switching value output module; Said switching input module is used to monitor the internal fault of transformer and the various on off states that case becomes; And transmit corresponding fault message or switch changed position information and give microprocessor; Said microprocessor receive the fault amount open signal after; If meet the protection operation condition, then microprocessor produces warning information or sends out trip signal to the switching value output module; The DC quantity input module is used for measures ambient temperature, Transformer Winding temperature, temperature of oil in transformer, and transfers to microprocessor.
Wherein, said switching value output module is connected with the control loop of circuit breaker, high voltage load switch, and said switching value output module sends deciliter state of trip signal control relevant device.
Wherein, Said switching input module also is used to gather the switching signal of fault amounts such as the heavy gas, superhigh temperature of transformer; And transmit corresponding signal and give microprocessor; Said microprocessor receive the fault amount open signal after, if meet the protection operation condition, microprocessor produces warning information or sends out trip signal to the switching value output module; Said switching input module also be used to detect circuit breaker, high voltage load switch deciliter, and transmit corresponding signal and give microprocessor.
Wherein, also comprise host computer, communication interface module, said communication interface module is connected with microprocessor, and said communication module is used for sending host computer to upper machine communication and with remote measurement, remote signalling, SOE data.
Wherein, said communication interface module comprises two RJ485 EBIs, IEC60870-5-104 Ethernet interface, self-healing optical fiber ring network interface, and above-mentioned interface all is used to be connected to host computer.
Wherein, also comprise the power module that is connected with microprocessor, said power module is used for converting alternating current or direct electricity into microprocessor needed form of power.
Wherein, also comprise the clock module that is connected with microprocessor, said clock module is used to provide temporal information.
Wherein, also comprise the memory that is connected with microprocessor, said memory is used for storage failure and protection controlling recording.
Wherein, said current/voltage input module and switching value output module are connected with microprocessor, and use light-coupled isolation.
Wherein, also comprise the display apparatus module that is connected with microprocessor, said display apparatus module is used for the demonstration of fault.
Beneficial effect of the present invention is following.
The invention provides a kind of protection measure and control device of blower fan box type transformer, can in time collect the important parameter information of transformer, and the operating state of corresponding adjustment transformer, can also play the effect of remote monitoring simultaneously.Can not only use manpower and material resources sparingly, and can improve the fail safe of transformer equipment.
Description of drawings
Accompanying drawing 1 expression catenation principle block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the box tranformer protection measure and control device of blower fan of the present invention is further specified.
Shown in accompanying drawing; Comprise microprocessor and the DC quantity input module that is connected with said microprocessor respectively, switching value output module, switching input module and current/voltage input module according to the box tranformer protection measure and control device of a kind of blower fan of the present invention; Said current/voltage input module is used to gather three-phase current, the magnitude of voltage of transformer; And transfer to microprocessor, and can show through the LED panel through display apparatus module, can show through the LED panel through display apparatus module; Microprocessor can compare the protection definite value of sampled value and storage simultaneously; If meet the protection operation condition, then microprocessor produces warning information or through the switching value output module, sends out trip signal.Switching input module is used for said switching input module and is used to monitor the internal fault of transformer and the various on off states in the case change; On off states such as monitoring breaker deciliter position, high voltage load switch deciliter position, high-tension fuse fusing signal for example; Can be used for detecting the isallobaric device non-electric quantity of Buchholz relay guard signal simultaneously; When microprocessor detects correspondence and opens into amount, can produce alarm or trip signal.The switching value output module is used for straighforward operation or protection tripping operation.The DC quantity input module is mainly used in measures ambient temperature, Transformer Winding temperature, temperature of oil in transformer etc., and (wherein, every road detection mode all has dual mode optional: 4～20mA; The PT100 temperature sensor) and transmit corresponding signal and give microprocessor.Said switching value output module also is connected with breaker control circuit, said pass amount output module send out trip signal be used to control equipment such as circuit breaker deciliter.Said switching input module also be used to detect equipment such as above-mentioned circuit breaker deciliter, and transmit corresponding signal and give microprocessor.
For realizing remote monitoring; The box tranformer protection measure and control device of blower fan also comprises host computer, communication interface module; Said communication interface module is connected with microprocessor; Said communication module is used for sending host computer (remote measurement is the analog quantity input signal and comprises electric current and voltage and DC quantity input) to upper machine communication and with remote measurement, remote signalling, SOE data; Remote signalling is deciliter state of switching value such as circuit breaker, and the SOE data are that device receives remote signalling and becomes and can produce corresponding information after information or the protection action and be uploaded to host computer.Monitoring interface can appear in host computer, and sound equipment sounding etc. are to remind the operator on duty.Said communication interface module comprises two RJ485 EBIs, IEC60870-5-104 Ethernet interface, self-healing optical fiber ring network interface, and above-mentioned interface all is used to be connected to host computer.Also comprise the power module that is connected with microprocessor, said power module is used for converting alternating current or direct electricity into microprocessor needed form of power.Also comprise the clock module that is connected with microprocessor, said clock module is used to provide temporal information.Also comprise the memory that is connected with microprocessor, said memory is used for storage failure and protection controlling recording.Said current/voltage input module and switching value output module and microprocessor use light-coupled isolation gradually, and (optical coupler (opticalcoupler, english abbreviation are OC) is also claimed photoisolator or photoelectrical coupler, is called for short optocoupler.It is to be the device that media comes transmission of electric signals with light, is encapsulated in photophore (infrared light-emitting diode LED) and light-receiving device (photosensitive semiconductor pipe) in the same shell usually.Photophore emits beam when input adds the signal of telecommunication, and light-receiving device is accepted just to produce photoelectric current after the light, flows out from output, changes thereby realized " electricity-light-".Being media with light is coupled to the photoelectrical coupler of output to input end signal, and volume is little because it has, the life-span is long, contactless, and antijamming capability is strong, insulation between output and the input, and advantages such as one-way transmission signal obtain to use widely on digital circuit.Wherein, also comprise the display apparatus module that is connected with microprocessor, said display apparatus module is used for the demonstration of fault.
Said switching value output module is connected with the control loop of circuit breaker, high voltage load switch, and said switching value output module sends deciliter state of trip signal control relevant device.
Switching input module also is used to gather the switching signal of fault amounts such as the heavy gas, superhigh temperature of transformer; And transmit corresponding signal and give microprocessor; Said microprocessor receive the fault amount open signal after; If meet the protection operation condition, microprocessor produces warning information or sends out trip signal to the switching value output module; Said switching input module also be used to detect circuit breaker, high voltage load switch deciliter, and transmit corresponding signal and give microprocessor.
The above only is a preferred implementation of the present invention; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. box tranformer protection measure and control device of blower fan; It is characterized in that; Comprise microprocessor and the DC quantity input module that is connected with said microprocessor respectively, switching value output module, switching input module and current/voltage input module; Said current/voltage input module is used to gather three-phase current, the magnitude of voltage of transformer, and transfers to microprocessor, and said microprocessor compares the protection definite value of above-mentioned value and storage; If meet the protection operation condition, then microprocessor produces warning information or sends out trip signal to the switching value output module; Said switching input module is used to monitor the internal fault of transformer and the various on off states that case becomes; And transmit corresponding fault message or switch changed position information and give microprocessor; Said microprocessor receive the fault amount open signal after; If meet the protection operation condition, then microprocessor produces warning information or sends out trip signal to the switching value output module; The DC quantity input module is used for measures ambient temperature, Transformer Winding temperature, temperature of oil in transformer, and transfers to microprocessor.
2. the box tranformer protection measure and control device of blower fan according to claim 1; It is characterized in that; Said switching value output module is connected with the control loop of circuit breaker, high voltage load switch, and said switching value output module sends deciliter state of trip signal control relevant device.
3. the box tranformer protection measure and control device of blower fan according to claim 2; It is characterized in that; Said switching input module also is used to gather the switching signal of fault amounts such as the heavy gas, superhigh temperature of transformer, and transmits corresponding signal and give microprocessor, said microprocessor receive the fault amount open signal after; If meet the protection operation condition, microprocessor produces warning information or sends out trip signal to the switching value output module; Said switching input module also be used to detect circuit breaker, high voltage load switch deciliter, and transmit corresponding signal and give microprocessor.
4. the box tranformer protection measure and control device of blower fan according to claim 3; It is characterized in that; Also comprise host computer, communication interface module; Said communication interface module is connected with microprocessor, and said communication module is used for sending host computer to upper machine communication and with remote measurement, remote signalling, SOE data.
5. the box tranformer protection measure and control device of blower fan according to claim 4; It is characterized in that; Said communication interface module comprises two RJ485 EBIs, IEC60870-5-104 Ethernet interface, self-healing optical fiber ring network interface, and above-mentioned interface all is used to be connected to host computer.
6. the box tranformer protection measure and control device of blower fan according to claim 5 is characterized in that, also comprises the power module that is connected with microprocessor, and said power module is used for converting alternating current or direct electricity into microprocessor needed form of power.
7. the box tranformer protection measure and control device of blower fan according to claim 6 is characterized in that also comprise the clock module that is connected with microprocessor, said clock module is used to provide temporal information.
8. the box tranformer protection measure and control device of blower fan according to claim 7 is characterized in that, also comprises the memory that is connected with microprocessor, and said memory is used for storage failure and protection controlling recording.
9. the box tranformer protection measure and control device of blower fan according to claim 8 is characterized in that said current/voltage input module and switching value output module are connected with microprocessor, and uses light-coupled isolation.
10. the box tranformer protection measure and control device of blower fan according to claim 9 is characterized in that also comprise the display apparatus module that is connected with microprocessor, said display apparatus module is used for the demonstration of fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101474270A CN102810843A (en) | 2011-06-02 | 2011-06-02 | Protective measuring and monitoring device for box-type transformer of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101474270A CN102810843A (en) | 2011-06-02 | 2011-06-02 | Protective measuring and monitoring device for box-type transformer of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102810843A true CN102810843A (en) | 2012-12-05 |
Family
ID=47234477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101474270A Pending CN102810843A (en) | 2011-06-02 | 2011-06-02 | Protective measuring and monitoring device for box-type transformer of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102810843A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248126A (en) * | 2013-05-22 | 2013-08-14 | 华电瑞能(北京)电力技术有限公司 | Intelligent protective monitoring device for photovoltaic box-type transformer substation |
| CN104184120A (en) * | 2014-09-11 | 2014-12-03 | 南自晋能自动化有限公司 | High-performance transformer protection device |
| CN107394652A (en) * | 2017-09-19 | 2017-11-24 | 桂林君泰福电气有限公司 | A kind of embedded intelligently voltage boosting transformation device of wind-power tower |
| CN110071481A (en) * | 2019-05-07 | 2019-07-30 | 北京中瑞和电气有限公司 | A kind of digital gaseous shield of power transformer and method |
| CN110086257A (en) * | 2019-05-07 | 2019-08-02 | 西安交通大学 | The digital protection of transformer and oil flow surge monitoring integration device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080266728A1 (en) * | 2005-10-03 | 2008-10-30 | Eduardo Pedrosa Santos | System to Control, Protect and Monitor the Status of Forced Cooling Motors for Power Transformers and Similar |
| CN201846060U (en) * | 2010-09-27 | 2011-05-25 | 上海久创电气自动化设备有限公司 | Non-electrical microcomputer measurement and control device |
| CN202068238U (en) * | 2011-06-02 | 2011-12-07 | 北京纳森新能源技术有限公司 | Wind chassis type transformer protection and monitoring device |
-
2011
- 2011-06-02 CN CN2011101474270A patent/CN102810843A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080266728A1 (en) * | 2005-10-03 | 2008-10-30 | Eduardo Pedrosa Santos | System to Control, Protect and Monitor the Status of Forced Cooling Motors for Power Transformers and Similar |
| CN201846060U (en) * | 2010-09-27 | 2011-05-25 | 上海久创电气自动化设备有限公司 | Non-electrical microcomputer measurement and control device |
| CN202068238U (en) * | 2011-06-02 | 2011-12-07 | 北京纳森新能源技术有限公司 | Wind chassis type transformer protection and monitoring device |
Non-Patent Citations (1)
| Title |
|---|
| 刘靖: "电力变压器微机主保护系统的研究与设计", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248126A (en) * | 2013-05-22 | 2013-08-14 | 华电瑞能(北京)电力技术有限公司 | Intelligent protective monitoring device for photovoltaic box-type transformer substation |
| CN103248126B (en) * | 2013-05-22 | 2016-04-27 | 华电瑞能(北京)电力技术有限公司 | Photovoltaic case becomes intelligent protection supervising device |
| CN104184120A (en) * | 2014-09-11 | 2014-12-03 | 南自晋能自动化有限公司 | High-performance transformer protection device |
| CN107394652A (en) * | 2017-09-19 | 2017-11-24 | 桂林君泰福电气有限公司 | A kind of embedded intelligently voltage boosting transformation device of wind-power tower |
| CN110071481A (en) * | 2019-05-07 | 2019-07-30 | 北京中瑞和电气有限公司 | A kind of digital gaseous shield of power transformer and method |
| CN110086257A (en) * | 2019-05-07 | 2019-08-02 | 西安交通大学 | The digital protection of transformer and oil flow surge monitoring integration device and method |
| WO2020224536A1 (en) * | 2019-05-07 | 2020-11-12 | 北京中瑞和电气有限公司 | Transformer digital gas protection and oil flow surge monitoring integrated device and method |
| CN110071481B (en) * | 2019-05-07 | 2021-08-13 | 北京中瑞和电气有限公司 | Digital gas protection device and method for power transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104092310B (en) | A kind of intelligent power distribution monitoring and energy management system backstage | |
| CN101969229B (en) | On-line monitoring method for secondary circuit | |
| CN202068238U (en) | Wind chassis type transformer protection and monitoring device | |
| CN103117602A (en) | Method for automatically reporting composite accidents in relay protection intelligence online running management system | |
| CN204758748U (en) | Cubical switchboard intelligent integrated monitoring devices | |
| CN101478154A (en) | Measure for solving AC, DC earthing and short circuit and novel design of DC system | |
| CN204228887U (en) | A kind of power equipment and the comprehensive on-line monitoring system of transmission line malfunction | |
| CN204243896U (en) | For the on off state monitoring device of power distribution network | |
| CN102810843A (en) | Protective measuring and monitoring device for box-type transformer of wind driven generator | |
| CN102411119A (en) | Intelligent monitoring device for temperature and insulation state of 330KV high-voltage cable in hydropower station | |
| CN102891533B (en) | A kind of 800kV intelligent breaker | |
| CN103398740A (en) | Real-time on-line monitoring device for monitoring abnormal operation of switch cabinet | |
| CN106441618B (en) | A kind of high voltage isolator abnormal heating contact passive and wireless monitoring device | |
| CN103066696A (en) | Monitoring system of photovoltaic power generation unit | |
| CN105515183A (en) | Switch cabinet intelligent control device | |
| CN206773058U (en) | OPGW on-line monitoring systems | |
| CN103178618A (en) | Integrated monitoring terminal for wind-electricity power generation unit | |
| CN211174438U (en) | Power station generating set diagnostic device | |
| CN107134768B (en) | Simulation method and system for direct-current power distribution network | |
| CN102830693B (en) | A kind of control system of low-voltage transverse test equipment of wind turbine and control method thereof | |
| CN105471278A (en) | Auxiliary control device applied to converter and converter system | |
| CN106908653A (en) | OPGW on-line monitoring systems and method | |
| CN206020586U (en) | Detecting fault line for un-ground neutral power system | |
| CN207261178U (en) | A kind of wind-driven generator controls simulator | |
| CN203251140U (en) | Monitoring system of photovoltaic power generation unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121205 |