CN202049215U - High-voltage power transmission line fault on-line monitoring system based on simple wavelet algorithm - Google Patents
High-voltage power transmission line fault on-line monitoring system based on simple wavelet algorithm Download PDFInfo
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- CN202049215U CN202049215U CN2011200408169U CN201120040816U CN202049215U CN 202049215 U CN202049215 U CN 202049215U CN 2011200408169 U CN2011200408169 U CN 2011200408169U CN 201120040816 U CN201120040816 U CN 201120040816U CN 202049215 U CN202049215 U CN 202049215U
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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
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- 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
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Abstract
The utility model relates to a high-voltage power transmission line fault on-line monitoring system based on a simple wavelet algorithm. Real-time signal detection and fault judgment are carried out through a fault monitoring device, simultaneously, the fault type is displayed, in addition, the fault information is sent to a data transmission device, the data transmission device is used for receiving fault information sent by an intelligent fault judging device, carries out secondary packing processing on the data and then sends data including the fault type, the fault position, the fault phase and the fault time information to a main station monitoring system, the main station monitoring system is used for receiving and processing the fault information sent back by the data transmission device, the fault position, the fault phase and the fault type are displayed on a monitor, simultaneously, the information prompt of fault rod tower number, the fault phase and the fault time is given, and in addition, line management personnel are informed in a short message mode. The system changes the fault positioning mode, the manual blind line inspection or the trail pulling of a remote switch is not needed, and the fault position can be fast determined only through a control interface of a monitoring center. The system has the advantages that the fault monitoring accuracy is improved, the self work state is regularly detected, and the fault judgment reliability is improved.
Description
Technical field
The utility model relates to a kind of transmission line malfunction on-line monitoring system.
Background technology
Ultra-high-tension power transmission line has a very wide distribution, and often will pass through some high altitude mountainous area with a varied topography, and weather conditions are changeable, and the circuit icing is serious, and fault takes place easily, the line patrolling maintenance difficulty.
Fault detector is a large amount of technology of using in transmission system that the nineties occurs, it has reduced workman's intensity to a certain extent, but also need workman road along the line to check indicator status, thereby the localization of faults, can not effectively shorten the power off time that fault causes, maintenance workload is still very big.Because traditional fault detector detection failure mainly adopts zero sequence drying method, capacitance current method, first half-wave method, 5 subharmonic methods etc. in the market, the fault judgement fault rate is higher in actual applications for the fault detector that these methods constitute, and fault detector can't detect self duty after being articulated on the circuit, comes the failure judgement reliability lower with this.
The utility model content
The purpose of this utility model provides a kind of based on the transmission line malfunction on-line monitoring system of simplifying wavelet algorithm, to improve the fault judgement accuracy rate, has realized the remote-wireless transmission of failure message.Simultaneously, in fault monitoring device, also add self-checking function, regularly detect self duty, improved the fault judgement reliability.
For achieving the above object, it is a kind of based on the transmission line malfunction on-line monitoring system of simplifying wavelet algorithm that the utility model provides, it is characterized in that: comprise fault monitoring device, data transmission device, master supervisory system three parts, fault monitoring device is used for real time detection signal and carries out fault judgement, shows fault type simultaneously and failure message is sent to data transmission device; Data transmission device is used to receive the failure message that fault monitor is sent, and data are repacked processing, and the datagram that will comprise fault type, abort situation, fault phase, fault-time information then is sent to master supervisory system; The failure message that master supervisory system is used to receive and the deal with data transmitting device is beamed back, abort situation, fault phase, fault type are presented on the monitor, provide fault shaft tower number, fault phase, the information indicating of fault-time simultaneously, and with short message mode announcement trunk managerial personnel.
Fault monitoring device comprises current sensor; voltage sensor; overcurrent protection module; overvoltage protective module; the short trouble judge module; the earth fault judge module; microprocessor; the detection of power loss module; diagnostic module; the fault display control module; radio-frequency (RF) receiving and transmission module; current sensor is transferred to short trouble judge module and earth fault judge module with the current parameters of gathering behind the overcurrent protection module; voltage sensor also is transferred to short trouble judge module and earth fault judge module with the voltage parameter of gathering through the overvoltage protection module; short trouble judge module and earth fault judge module are transferred to microprocessor with judged result respectively; the microprocessor employing is simplified wavelet algorithm and is carried out fault type and fault phase judgment processing; first delivery outlet is that the fault data after handling is transferred to the fault display control module; and provide two kinds of different alarms respectively according to transient fault or permanent fault; second delivery outlet is that power supply signal is transferred to the detection of power loss module; send warning message when monitoring power supply less than normal working voltage; and microprocessor is quit work; prevent misoperation; the 3rd delivery outlet is that working state signal is transferred to diagnostic module; detect intelligent trouble judgment means self duty, the 4th outlet connects radio-frequency (RF) receiving and transmission module.
The native system fault monitoring device adopts simplifies the accuracy that wavelet algorithm guarantees fault judgement, its main contents comprise: the one,, by selecting suitable wavelet basis guaranteeing to analyze under the prerequisite of reliability, the selective filter coefficient ratio is than mother wavelet function short, that calculate easily as possible.The 2nd,, utilize computing machine to carry out the fireballing advantage of plus and minus calculation, change multiplication and division computing in the wavelet transformation and exponent arithmetic into plus-minus and shift operation, can improve arithmetic speed greatly, reduce procedure quantity.The 3rd,, native system is constantly abandoned unnecessary data in continuous data collection and small echo delaminating process, discharge the data space that used data occupy, and can reduce the complicacy of ARM memory expansion circuit.The 4th,, native system combines electric current and voltage sudden change scheduling theory when earth fault takes place can effective recognition and hide the immediate current that causes such as normal runnings such as reclosings and impact, and has improved the reliability of fault judgement.The 5th,, selected 32 arm processors for use, this processor can make sampling rate reach more than the 5KHz, and such sampling rate is enough to satisfy collection and the data analysis requirement to the line fault transient signal.Native system adds self-checking function in fault monitoring device, regularly detect self duty, has avoided blindly relying on the drawback of fault monitoring device monitoring fault, has improved the fault judgement reliability.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Fig. 2 is a fault monitoring device structural representation among Fig. 1;
Fig. 3 is the data transmission device structural representation;
Fig. 4 is the master supervisory system structural representation.
Embodiment
With reference to Fig. 1, the utility model comprises fault monitoring device 1, data transmission device 2, master supervisory system 3 three parts, divide A, B, C three-phase, fault monitoring device is used for the failure judgement type and failure message is transferred to data transmission device, and can carry out the difference demonstration at the different faults type; Said data transmission device mainly comprises energy supply control module, wireless data transfer module, is used to receive the fault that fault monitor sends and reaches the fault type signal mutually; Master supervisory system mainly comprises wireless data transceiver module, failure message analytic system, be used for the data that receive are carried out analysis and judgement, on monitoring interface, show abort situation, fault phase, fault type, provide fault shaft tower number, fault phase, the information indicating of fault-time simultaneously, and with short message mode announcement trunk managerial personnel.
With reference to Fig. 2; comprise current sensor 101 in the fault monitoring device; voltage sensor 102; overcurrent protection module 103; overvoltage protective module 104; short trouble judge module 105; earth fault judge module 106; microprocessor 109; detection of power loss module 108; diagnostic module 111; fault display control module 107; radio-frequency (RF) receiving and transmission module 110; current sensor is transferred to short trouble judge module and earth fault judge module with the current parameters of gathering behind the overcurrent protection module; voltage sensor also is transferred to short trouble judge module and earth fault judge module with the voltage parameter of gathering through the overvoltage protection module; short trouble judge module and earth fault judge module are transferred to microprocessor with judged result respectively; the microprocessor employing is simplified wavelet algorithm and is carried out fault type and fault phase judgment processing; first delivery outlet is that the fault data after handling is transferred to the fault display control module; and provide two kinds of different alarms respectively according to transient fault or permanent fault; second delivery outlet is that power supply signal is transferred to the detection of power loss module; send warning message when monitoring power supply less than normal working voltage; and microprocessor is quit work; prevent misoperation; the 3rd delivery outlet is that working state signal is transferred to diagnostic module; detect intelligent trouble judgment means self duty, the 4th outlet connects radio frequency transmission module 112.
With reference to Fig. 3, data transmission device mainly comprises microprocessor 201, radio-frequency (RF) receiving and transmission module 202, wireless data transfer module 203, energy supply control module 206, solar cell 204 and accumulator 205.The radio frequency transmission module is used to receive the failure message that fault monitoring device sends, and failure message is transferred to microprocessor, microprocessor is repacked processing with failure message, and add fault shaft tower information, the information that will repack after the processing by wireless data transfer module is sent to master supervisory system.The working power that provides of microprocessor, radio frequency transmission module, wireless data transfer module is provided under the control of energy supply control module for solar cell and accumulator.
With reference to Fig. 4, master supervisory system mainly comprises wireless data transceiver module 301, serial communication interface 302, failure message analytic system in the host computer 303, wireless data transceiver module is used to receive the failure message that data transmission device sends, and transfer to host computer by serial communication interface, failure message analytic system and Database Systems are installed on host computer, the failure message analytic system is analyzed failure message, on monitoring interface, show fault shaft tower number then, the fault phase, fault type, fault-time, and with failure message with short message mode notice related management personnel, will receive failure message simultaneously and send failure message to deposit database in.
The course of work: fault monitoring device is installed on the transmission line of electricity by phase place, current sensor and voltage sensor are gathered on the transmission line of electricity electric current and magnitude of voltage in real time and are transferred to microprocessor in the fault monitoring device, the microprocessor employing is simplified wavelet algorithm and is carried out the fault-signal judgement, after collecting fault-signal, the failure message that microprocessor will comprise fault phase sends to data transmission device by the radio frequency transmission module, and the control fault monitoring device carries out redness or green alarm indication at the different faults type simultaneously.The fault transmitting device is repacked processing with the failure message of receiving, and interpolation shaft tower information, this information is sent to master supervisory system by wireless data transfer module, the wireless data transceiver module of master supervisory system transfers to the failure message that receives the failure message analytic system of host computer, this system is presented at faulty line, shaft tower number, fault phase, fault-time on the monitoring interface after by analysis, simultaneously with short message mode notice related management personnel.
Claims (2)
1. one kind based on the ultra-high-tension power transmission line On-line Fault monitoring system of simplifying wavelet algorithm, it is characterized in that: comprise fault monitoring device, data transmission device, master supervisory system three parts, fault monitoring device is used for real time detection signal and carries out fault judgement, shows fault type simultaneously and failure message is sent to data transmission device; Data transmission device is used to receive the failure message that fault monitor is sent, and data are repacked processing, and the datagram that will comprise fault type, abort situation, fault phase, fault-time information then is sent to master supervisory system; The failure message that master supervisory system is used to receive and the deal with data transmitting device is beamed back, abort situation, fault phase, fault type are presented on the monitor, provide fault shaft tower number, fault phase, the information indicating of fault-time simultaneously, and with short message mode announcement trunk managerial personnel.
2. according to claim 1 based on the ultra-high-tension power transmission line On-line Fault monitoring system of simplifying wavelet algorithm; it is characterized in that: fault monitoring device comprises current sensor; voltage sensor; overcurrent protection module; overvoltage protective module; the short trouble judge module; the earth fault judge module; microprocessor; the detection of power loss module; diagnostic module; the fault display control module; radio-frequency (RF) receiving and transmission module; current sensor is transferred to short trouble judge module and earth fault judge module with the current parameters of gathering behind the overcurrent protection module; voltage sensor also is transferred to short trouble judge module and earth fault judge module with the voltage parameter of gathering through the overvoltage protection module; short trouble judge module and earth fault judge module are transferred to microprocessor with judged result respectively; the microprocessor employing is simplified wavelet algorithm and is carried out fault type and fault phase judgment processing; first delivery outlet is that the fault data after handling is transferred to the fault display control module; and provide two kinds of different alarms respectively according to transient fault or permanent fault; second delivery outlet is that power supply signal is transferred to the detection of power loss module; send warning message when monitoring power supply less than normal working voltage; and microprocessor is quit work; prevent misoperation; the 3rd delivery outlet is that working state signal is transferred to diagnostic module; detect intelligent trouble judgment means self duty, the 4th outlet connects radio-frequency (RF) receiving and transmission module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200408169U CN202049215U (en) | 2011-02-17 | 2011-02-17 | High-voltage power transmission line fault on-line monitoring system based on simple wavelet algorithm |
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| CN2011200408169U CN202049215U (en) | 2011-02-17 | 2011-02-17 | High-voltage power transmission line fault on-line monitoring system based on simple wavelet algorithm |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184625A (en) * | 2011-03-15 | 2011-09-14 | 辽宁省电力有限公司抚顺供电公司 | Third generation (3G) communication network-based transmission line fault area positioning system |
| CN102946143A (en) * | 2012-11-18 | 2013-02-27 | 山东电力集团公司检修公司 | Direct current electric transmission line monitoring main station system |
| CN103364683A (en) * | 2013-07-01 | 2013-10-23 | 东南大学 | Method for detecting open-circuit fault of inverter circuit |
| CN103645424A (en) * | 2013-12-25 | 2014-03-19 | 国家电网公司 | Line fault detecting system and method capable of achieving real-time interaction of three-phase data |
| CN105574950A (en) * | 2014-10-14 | 2016-05-11 | 深圳供电局有限公司 | Ultraviolet tour inspection method, handheld data acquisition equipment and server |
| CN105676070A (en) * | 2016-02-25 | 2016-06-15 | 国网山东省电力公司章丘市供电公司 | Fault monitoring system for power transmission line |
| CN105911883A (en) * | 2016-04-29 | 2016-08-31 | 许昌开普检测技术有限公司 | Electric power real-time digital simulation system fault point control system |
| CN110568319A (en) * | 2019-10-25 | 2019-12-13 | 国网江苏省电力有限公司盐城供电分公司 | Power transmission line fault type judgment method based on signal difference |
| CN113482773A (en) * | 2021-07-05 | 2021-10-08 | 无锡威孚高科技集团股份有限公司 | Fault management method and device for electric control system of off-road diesel engine |
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2011
- 2011-02-17 CN CN2011200408169U patent/CN202049215U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184625A (en) * | 2011-03-15 | 2011-09-14 | 辽宁省电力有限公司抚顺供电公司 | Third generation (3G) communication network-based transmission line fault area positioning system |
| CN102184625B (en) * | 2011-03-15 | 2013-12-04 | 辽宁省电力有限公司抚顺供电公司 | Third generation (3G) communication network-based transmission line fault area positioning system |
| CN102946143B (en) * | 2012-11-18 | 2014-10-29 | 山东电力集团公司检修公司 | Direct current electric transmission line monitoring main station system |
| CN102946143A (en) * | 2012-11-18 | 2013-02-27 | 山东电力集团公司检修公司 | Direct current electric transmission line monitoring main station system |
| CN103364683B (en) * | 2013-07-01 | 2015-05-06 | 东南大学 | Method for detecting open-circuit fault of inverter circuit |
| CN103364683A (en) * | 2013-07-01 | 2013-10-23 | 东南大学 | Method for detecting open-circuit fault of inverter circuit |
| CN103645424A (en) * | 2013-12-25 | 2014-03-19 | 国家电网公司 | Line fault detecting system and method capable of achieving real-time interaction of three-phase data |
| CN105574950A (en) * | 2014-10-14 | 2016-05-11 | 深圳供电局有限公司 | Ultraviolet tour inspection method, handheld data acquisition equipment and server |
| CN105676070A (en) * | 2016-02-25 | 2016-06-15 | 国网山东省电力公司章丘市供电公司 | Fault monitoring system for power transmission line |
| CN105911883A (en) * | 2016-04-29 | 2016-08-31 | 许昌开普检测技术有限公司 | Electric power real-time digital simulation system fault point control system |
| CN105911883B (en) * | 2016-04-29 | 2018-09-18 | 许昌开普检测研究院股份有限公司 | The failure point control system of electric power real time data display |
| CN110568319A (en) * | 2019-10-25 | 2019-12-13 | 国网江苏省电力有限公司盐城供电分公司 | Power transmission line fault type judgment method based on signal difference |
| CN113482773A (en) * | 2021-07-05 | 2021-10-08 | 无锡威孚高科技集团股份有限公司 | Fault management method and device for electric control system of off-road diesel engine |
| CN113482773B (en) * | 2021-07-05 | 2022-05-31 | 无锡威孚高科技集团股份有限公司 | Fault management method and device for electric control system of off-road diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGCHUN SHENGDE TECHNOLOGY CO., LTD. DANDONG POW Free format text: FORMER OWNER: CHANGCHUN SHENGDE TECHNOLOGY CO., LTD. DANDONG POWER SUPPLY COMPANY OF LIAONING ELECTRIC POWER CO., LTD. Effective date: 20121022 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121022 Address after: 130012 Jilin province Changchun wide flat road No. 395 Patentee after: Changchun Engineering College Patentee after: Changchun Shengde Technology Co., Ltd. Patentee after: Dandong Power Supply Company of Liaoning Electric Power Co., Ltd. Patentee after: State Grid Corporation of China Address before: 130012 Jilin province Changchun wide flat road No. 395 Patentee before: Changchun Engineering College Patentee before: Changchun Shengde Technology Co., Ltd. Patentee before: Dandong Power Supply Company of Liaoning Electric Power Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20200217 |