CN202121319U - Arc-extinguishing harmonic-eliminating controller with remote wireless communication module - Google Patents
Arc-extinguishing harmonic-eliminating controller with remote wireless communication module Download PDFInfo
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- CN202121319U CN202121319U CN2011201996257U CN201120199625U CN202121319U CN 202121319 U CN202121319 U CN 202121319U CN 2011201996257 U CN2011201996257 U CN 2011201996257U CN 201120199625 U CN201120199625 U CN 201120199625U CN 202121319 U CN202121319 U CN 202121319U
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- microcontroller mcu
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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
- 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
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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
- 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
- Y04S10/16—Electric power substations
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an arc-extinguishing harmonic-eliminating controller with a remote wireless communication module, comprising a signal acquisition module, a microcontroller MCU, a wireless communication module and an output driving module, wherein the signal acquisition module and the microcontroller MCU are connected for acquiring the running state parameters of a non-effectively neutral grounded system and transmitting the running state parameters to the microcontroller MCU; the microcontroller MCU is used for receiving and processing the running state parameters of the non-effectively neutral grounded system transmitted by the signal acquisition module, carrying out fault analysis according to the running state parameters, outputting a protection and alarm signal, and recording the fault information; the wireless communication module is used for sending the fault information of the non-effectively neutral grounded system and other running state information to a monitoring center; and the output driving module is used for protection outputting and alarm outputting. The arc-extinguishing harmonic-eliminating controller has the advantage of improving the communication capability of an unattended substation and the security of a non-effectively neutral grounded system.
Description
Technical field
The utility model relates to a kind of extinguishing arc harmonic elimination controller, especially a kind of extinguishing arc harmonic elimination controller that has the remote radio communication module that is used for 3～35kV system with non effectively earth ed neutral.
Background technology
Along with computer technology, image digitazation technology and information The Application of Technology; Have the user's of a large amount of unattended equipment room/transformer stations long-range comprehensively monitoring demand according to electric power, agricultural, water conservancy, telecommunications etc., the application of the long-range comprehensive monitoring system of unattended operation more and more widely.Unattended operation transformer station can be realized comprehensively monitoring, the centralized management of user or few man on duty system unmanned to front end; Utilize existing network that the image of front end, environment, equipment running status, gate inhibition, boundary defence etc. are effectively monitored and managed; Real-time, validity can have been increased substantially, reduction personnel and management cost to the front end monitoring.
In existing unattended operation transformer station, the most of no communication function of the extinguishing arc harmonic elimination controller of 3～35kV system with non effectively earth ed neutral perhaps adopts the wire communication pattern of CAN bus, RS485 etc.And increasingly high to the automaticity requirement of unattended operation transformer station along with modern power systems, the extinguishing arc harmonic elimination controller of no communication function can't satisfy this unattended situation at all.Its communication distance of wired communication system for adopting CAN bus, RS485 is very limited, and is difficult to satisfy the needs of remote monitoring.Along with the communication technology of 3G network is day by day ripe, coverage rate is wide again, and the wireless network that utilizes mobile operator to provide is realized power distribution network data acquisition and monitoring, will become the modern important development direction of electric power system.
The utility model content
The utility model is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of extinguishing arc harmonic elimination controller that has the remote radio communication module is provided, with the communication capacity of raising unattended operation transformer station and the fail safe of system with non effectively earth ed neutral.
The utility model adopts following technical scheme for the technical solution problem.
The extinguishing arc harmonic elimination controller that has the remote radio communication module, its design feature are to comprise signal acquisition module, microcontroller MCU, wireless communication module and output driver module; Said signal acquisition module is connected with microcontroller MCU, is used to gather the running state parameter of system with non effectively earth ed neutral and sends said microcontroller MCU to; Said microcontroller MCU is used to accept the running state parameter of the system with non effectively earth ed neutral that transmits with the processing signals acquisition module and carries out accident analysis according to said running state parameter, and output protection and alarm signal record trouble information simultaneously; Said wireless communication module is used for the fault message of system with non effectively earth ed neutral is sent to Surveillance center; Said output driver module; Comprise output driving circuit, protection relay and alarm relay; Be used to receive the protection and the alarm signal of said microcontroller MCU output, and connect protection and warning circuit through output driving circuit drive protecting relay and alarm relay adhesive.
The design feature that the utility model has the extinguishing arc harmonic elimination controller of remote radio communication module also is:
Said wireless communication module is the 3G wireless communication module.
Said wireless communication module comprises the SIM slot that is used to insert SIM.
Also comprise human-computer interaction module, said human-computer interaction module comprises display and keyboard.
Compared with present technology, the utility model beneficial effect is embodied in:
Through adopting wireless communication module; Can at any time fault message be transferred to Surveillance center; Make Surveillance center pass through wireless network and realize functions such as remote signalling, remote measurement, remote control, remote regulating; Surveillance center also can be as required through the 3G wireless network current ruuning situation of deriving means or consult failure logging at any time, reduced the cost of the communication aspects of system, improved the communication capacity of system.The extinguishing arc harmonic elimination controller of the utility model has the communication capacity that can improve unattended operation transformer station and the advantages such as fail safe of system with non effectively earth ed neutral.
Description of drawings
Fig. 1 is the structured flowchart of the extinguishing arc harmonic elimination controller of the utility model.
Fig. 2 is the systematic schematic diagram of neutral point non-direct grounding system that is provided with the extinguishing arc harmonic elimination controller of the utility model.
Fig. 3 is the 3G module control circuit of the extinguishing arc harmonic elimination controller of the utility model.
Label in accompanying drawing 1～accompanying drawing 3: 1 signal acquisition module, 2 microcontroller MCU, 3 wireless communication modules, 31SIM card slot, 4 output driver modules, 41 output driving circuits, 42 protection relays, 43 alarm relaies, 5 human-computer interaction modules.
Below pass through embodiment, and combine accompanying drawing that the utility model is described further.
Embodiment
Referring to accompanying drawing 1～accompanying drawing 3, have the extinguishing arc harmonic elimination controller of remote radio communication module, comprise signal acquisition module 1, microcontroller MCU2, wireless communication module 3 and output driver module 4.Said signal acquisition module 1 is connected with microcontroller MCU2, is used to gather the running state parameter of system with non effectively earth ed neutral and sends said microcontroller MCU2 to; Signals collecting: mainly be the measurement of A, B, C three-phase and residual voltage and the input of some related switch amounts; The measurement of A, B, C three-phase and residual voltage mainly is through reading through sending into MCU after the A/D conversion data on the voltage transformer pt in the system; The switching value input then comprises device ruuning situation (stop transport and still put into operation); The fuse state of A, B, C three-phase (whether fuse, the fuse failure fault is then reported in fusing); The contactor state of A, B, C three-phase (breaking off or adhesive).Said microcontroller MCU is used to accept the running state parameter of the system with non effectively earth ed neutral that transmits with processing signals acquisition module 1 and carries out accident analysis according to said running state parameter, and output protection and alarm signal record trouble information simultaneously; The voltage signal of sending into MCU is done the data such as amplitude and phase place that the FFT conversion obtains needed three-phase voltage and neutral point displacement voltage; Compare to judge current whether breaking down with failure criterion then, if break down then output protection and alarm signal while record trouble information.
Said wireless communication module 3 is used for the fault message of system with non effectively earth ed neutral is sent to Surveillance center; Said output driver module 4; Comprise output driving circuit 41, protection relay 42 and alarm relay 43; Be used to receive the protection and the alarm signal of said microcontroller MCU output, and connect protection and warning circuit with alarm relay 43 adhesives through output driving circuit 41 drive protecting relays 42.Through adopting wireless communication module; Can at any time fault message be transferred to Surveillance center; Make Surveillance center pass through wireless network and realize functions such as remote signalling, remote measurement, remote control, remote regulating; Surveillance center also can be as required through the 3G wireless network current ruuning situation of deriving means or consult failure logging at any time, reduced the cost of the communication aspects of system, improved the communication capacity of system.
Said wireless communication module is preferably the 3G wireless communication module.The 3G wireless communication module can be handled multiple media formats such as image, music, video flowing, and data transmission bauds is fast, and communication function is powerful, can further improve the communication capacity of controller.
Said wireless communication module comprises the SIM slot 31 that is used to insert SIM.Through SIM the related data on the SIM is read in the module, then Sending dialled number command control module dialing realizes the communication between Surveillance center and the controller.
Also comprise human-computer interaction module 5, said human-computer interaction module 5 comprises display and keyboard.Display is a LCD display, carries out the demonstration of data message through LCD display, realizes the input of data through keyboard, thereby realizes the purpose of man-machine interaction.
In Fig. 2, QS is a high voltage isolator, and JPB is a combination overvoltage protector; FU1 is a high-voltage and current-limitation fuse, and FU2 is a high pressure pressure limiting fuse, and PT is a voltage transformer; ZK is a high-pressure vacuum contactor, and RV is the high energy voltage limiter, and WZK is the extinguishing arc harmonic elimination controller of the utility model.Controller is monitored electrical network A, B, C three-phase voltage and neutral point current potential through the voltage transformer pt in the system all the time; It can be according to the amplitude of the amplitude of electrical network three-phase voltage, uneven degree and neutral point displacement voltage and phase place etc.; Automatically judge phylogenetic nature of trouble; Thereby send instruction accurately, control device extinguishing arc or harmonic elimination send to Surveillance center through the 3G wireless network with fault message simultaneously.Certainly Surveillance center also can be as required through the 3G wireless network current ruuning situation of deriving means or consult failure logging at any time.
When system's generation arc grounding, controller will be controlled the adhesive of extinguishing arc relay and drive that vacuum contactor is instantaneous to close, divide high energy voltage limiter, discharge coil etc. to absorb the electric arc excitation energies, reach the purpose of extinguishing arc.
When system's generation ferro resonance, controller will be controlled the harmonic elimination relay and drop into harmonic elimination resistance at the open delta of PT, limit overvoltage and overcurrent that this resonance produces, and consume resonant energy, reach the purpose of harmonic elimination.
3G module as shown in Figure 3 is to adopt the power supply of 4.2V power supply, is controlled through UART mouth output AT order by MCU.The BATTERY that module 14 pin VRTC places connect is that 3.3V lithium electricity and charging circuit VCC are 3.3V, is the clock power supply of 3G inside modules, and U11 is the SIM slot.MCU at first controls the 4.2V power supply chip and powers on for the 3G module; 17 pin ON/OFF and 39 pin DTR with module put high opening module then; Wait for that module starts the transmission AT order control 3G module that finishes and through I/O (data), CLK (clock) related data on the SIM read in the module; Then Sending dialled number command control module dialing; Wait is sent log-on message after connecting with Surveillance center, and this information comprises unit address, current time, current unit state; Controller can send once the only informational function sign indicating number difference of this information of similar information to the center at regular intervals after connection was set up; This information is called heartbeat packet; Simultaneously an identical heartbeat packet also can be returned to controller in the center when receiving this heartbeat packet, is used to keep connect this process and be called and shake hands; Surveillance center can send various command when needed in addition; Controller is being received interior perhaps upload relevant information or the completion associative operation of these order backs according to order; For example Surveillance center issues and uploads the fault message instruction, and controller is uploaded to Surveillance center with the fault message packing of current record after receiving.
Claims (4)
1. have the extinguishing arc harmonic elimination controller of remote radio communication module, it is characterized in that, comprise signal acquisition module (1), microcontroller MCU (2), wireless communication module (3) and output driver module (4);
Said signal acquisition module (1) is connected with microcontroller MCU (2), is used to gather the running state parameter of system with non effectively earth ed neutral and sends said microcontroller MCU (2) to;
Said microcontroller MCU is used for accepting the running state parameter of the system with non effectively earth ed neutral that transmits with processing signals acquisition module (1) and carries out accident analysis according to said running state parameter, and output protection and alarm signal while record trouble information;
Said wireless communication module (3) is used for the fault message of system with non effectively earth ed neutral is sent to Surveillance center;
Said output driver module (4); Comprise output driving circuit (41), protection relay (42) and alarm relay (43); Be used to receive the protection and the alarm signal of said microcontroller MCU output, and connect protection and warning circuit through output driving circuit (41) drive protecting relay (42) and alarm relay (43) adhesive.
2. the extinguishing arc harmonic elimination controller that has the remote radio communication module according to claim 1 is characterized in that said wireless communication module is the 3G wireless communication module.
3. the extinguishing arc harmonic elimination controller that has the remote radio communication module according to claim 1 and 2 is characterized in that said wireless communication module comprises the SIM slot (31) that is used to insert SIM.
4. the extinguishing arc harmonic elimination controller that has the remote radio communication module according to claim 1 is characterized in that also comprise human-computer interaction module (5), said human-computer interaction module (5) comprises display and keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201996257U CN202121319U (en) | 2011-06-14 | 2011-06-14 | Arc-extinguishing harmonic-eliminating controller with remote wireless communication module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201996257U CN202121319U (en) | 2011-06-14 | 2011-06-14 | Arc-extinguishing harmonic-eliminating controller with remote wireless communication module |
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| Publication Number | Publication Date |
|---|---|
| CN202121319U true CN202121319U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201996257U Expired - Fee Related CN202121319U (en) | 2011-06-14 | 2011-06-14 | Arc-extinguishing harmonic-eliminating controller with remote wireless communication module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105790A (en) * | 2012-11-14 | 2013-05-15 | 苏州爱知电机有限公司 | Arc suppression cabinet controller |
| CN104052044A (en) * | 2014-05-30 | 2014-09-17 | 安徽三和电力技术有限公司 | Voltage collecting device of overvoltage suppression cabinet |
| CN104600688A (en) * | 2015-02-17 | 2015-05-06 | 安徽巨森电器有限公司 | Overvoltage suppression comprehensive device with GPRS (general packet radio service) wireless communication function |
| CN107332220A (en) * | 2017-08-29 | 2017-11-07 | 安徽三和电力技术有限公司 | For microcomputer harmonic elimination device control system |
| CN114364183A (en) * | 2022-01-26 | 2022-04-15 | 云南电网有限责任公司楚雄供电局 | But remote monitoring's computer harmonic elimination device |
-
2011
- 2011-06-14 CN CN2011201996257U patent/CN202121319U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105790A (en) * | 2012-11-14 | 2013-05-15 | 苏州爱知电机有限公司 | Arc suppression cabinet controller |
| CN104052044A (en) * | 2014-05-30 | 2014-09-17 | 安徽三和电力技术有限公司 | Voltage collecting device of overvoltage suppression cabinet |
| CN104600688A (en) * | 2015-02-17 | 2015-05-06 | 安徽巨森电器有限公司 | Overvoltage suppression comprehensive device with GPRS (general packet radio service) wireless communication function |
| CN107332220A (en) * | 2017-08-29 | 2017-11-07 | 安徽三和电力技术有限公司 | For microcomputer harmonic elimination device control system |
| CN114364183A (en) * | 2022-01-26 | 2022-04-15 | 云南电网有限责任公司楚雄供电局 | But remote monitoring's computer harmonic elimination device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20150614 |
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| EXPY | Termination of patent right or utility model |