CN205027856U - Power system fault positioning system - Google Patents
Power system fault positioning system Download PDFInfo
- Publication number
- CN205027856U CN205027856U CN201520742172.6U CN201520742172U CN205027856U CN 205027856 U CN205027856 U CN 205027856U CN 201520742172 U CN201520742172 U CN 201520742172U CN 205027856 U CN205027856 U CN 205027856U
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- fault
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- travelling wave
- receiving trap
- electric network
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- 238000012545 processing Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000004146 energy storage Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000004807 localization Effects 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000013024 troubleshooting Methods 0.000 abstract 1
- 101100204059 Caenorhabditis elegans trap-2 gene Proteins 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
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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
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model discloses a power system fault positioning system, include: fault -signal collection system, fault -signal that its power system fault who is used for gathering the equipment of awaiting measuring sent to convey fault -signal to fault -signal receiving arrangement, fault -signal receiving arrangement, it is used for receiving fault -signal to convey fault -signal to fault -signal processing apparatus, fault -signal processing apparatus, it is received fault -signal and fixes a position power system fault, and conveys fault locating information to fault handling information receiving device, fault handling information receiving device, its receipt shows fault locating information, the electricity even between fault -signal collection system, fault -signal receiving arrangement, fault -signal processing apparatus and the fault handling information receiving arrangement. The utility model discloses power system fault can accurately fix a position fast to the messenger personnel received fault locating information as early as possible, can improve the efficiency of troubleshooting operation, and then the safe and reliable operation of guarantee electric wire netting, and the device investment cost is low, the easy realization.
Description
Technical field
The utility model belongs to electric network fault detection technique field, particularly a kind of electric network fault positioning system.
Background technology
Electric energy, as the secondary energy of cleaning, plays not replaceable effect in contemporary society.Power industry is mainstay of the national economy industry, and the reliable electric power supply of high-quality is the important guarantee of modernized society's sustainable and stable development.Therefore, ensure that the security of Operation of Electric Systems, reliability and rapidity etc. are most important.
Electrical network is the important component part of electric system, and electric network fault occurs than being easier in electric system, and serious threat electric power safety is produced, and bring tremendous economic to lose to electric power enterprise and society, meeting the most serious causes large-area power-cuts, once occur, consequence is hardly imaginable.How electric network fault is accurately located, become a difficult problem of long-standing problem grid company.At present, when monitoring transmission line malfunction, comparatively conventional is use current detection technology, probably can only indicate orientation and the section of trouble spot, and definitely can not indicate and determine position, such as, be which shaft tower or which phase, this just needs to rely on artificial line walking to investigate trouble spot, not only time-consuming, incur loss through delay repairing and recover electric power feeding time, and power supply reliability can not be settled properly.
Utility model content
For the technical matters can not carrying out accurately location to electric network fault existed in prior art, the utility model provides a kind of electric network fault positioning system that can accurately locate, and utilizes this system to position efficiency to electric network fault high, time saving and energy saving.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of electric network fault positioning system, is characterized in that, comprising:
Trouble signal pickup device, its fault-signal sent for the electric network fault gathering Devices to test, and by described fault-signal to the transmission of fault-signal receiving trap;
Described fault-signal receiving trap, it is for receiving described fault-signal, and by described fault-signal to the transmission of fault-signal treating apparatus;
Described fault-signal treating apparatus, it receives fault-signal and positions described electric network fault, and by localization of fault information to the transmission of fault handling information receiving trap;
Described fault handling information receiving trap, it receives and shows described localization of fault information;
Be electrically connected between described trouble signal pickup device, described fault-signal receiving trap and described fault-signal treating apparatus, wireless connections between described fault-signal treating apparatus and described fault handling information receiving trap.
As preferably, described trouble signal pickup device comprises:
Travelling wave signal collecting unit, it is connected by the ground wire of wire with the electrical network of described Devices to test, for the travelling wave signal gathered in fault-signal;
Clock synchronization circuit, its delivery time of transmitting to described fault-signal receiving trap for revising travelling wave signal;
Sender unit, it is for transmitting travelling wave signal to described fault-signal receiving trap;
Described travelling wave signal collecting unit, to be electrically connected between clock synchronization circuit and sender unit;
Power supply unit, itself and described travelling wave signal collecting unit, clock synchronization circuit and sender unit are electrically connected respectively for powering respectively.
As preferred further, described sender unit comprises signal amplifier for amplifying travelling wave signal and the wireless signal transmitter for being transmitted to described fault-signal receiving trap with wireless signal form by the travelling wave signal after amplifying, and described travelling wave signal collecting unit, is electrically connected between signal amplifier with wireless signal transmitter.
As preferred further, described trouble signal pickup device also comprises casing, and described travelling wave signal collecting unit, clock synchronization circuit and signal amplifier are arranged in described casing, and the sidewall of described casing is provided with the circular hole passed for described wire; Described wireless signal transmitter is arranged on the end face outer wall of described casing; Described casing passes through bandage bondage on described Devices to test.
As preferred further, described power supply unit comprises solar panel for powering respectively and energy storage capacitor, described solar panel is laid on a lateral surface of described casing, described energy storage capacitor is arranged in described casing, described solar panel and described energy storage capacitor are electrically connected, and power for for described energy storage capacitor.
As preferred further, described Devices to test is transformer or capacitive battery current transformer bottom shielding of bushing.
As further preferably, described wireless signal transmitter by GPRS network by travelling wave signal to the transmission of described fault-signal receiving trap.
As preferred further, described fault-signal receiving trap comprises the wireless signal receiver be arranged in transformer station, described wireless signal receiver for receiving travelling wave signal and travelling wave signal being transformed to wire signal, and by cable by this wire signal to computing machine transmission.
As preferred further, described fault-signal treating apparatus is connected with described computing machine by LAN (Local Area Network), will comprise the described localization of fault information of fault type and abort situation to the transmission of described fault handling information receiving trap for the travelling wave signal that obtains in described computing machine.
As further preferably, described fault handling information receiving trap comprises mobile terminal, and it is connected with the communication of described fault-signal treating apparatus, for receiving and showing the described localization of fault information of the CPU (central processing unit) transmission of described fault-signal treating apparatus.
Compared with prior art, the beneficial effect that the utility model has is: the utility model can position electric network fault rapidly and accurately, and enable operator on duty and operations staff receive localization of fault information as early as possible, therefore the efficiency of trouble hunting operation can effectively be improved, and then ensure the safe and reliable operation of electrical network, and this plant investment cost is lower, easily realizes.
Accompanying drawing explanation
Fig. 1 is the line frame graph of electric network fault positioning system of the present utility model;
Fig. 2 is the three-dimensional front elevational schematic of the trouble signal pickup device of electric network fault positioning system of the present utility model;
Fig. 3 is the perspective side schematic diagram of the trouble signal pickup device of electric network fault positioning system of the present utility model.
In figure:
1-trouble signal pickup device; 11-travelling wave signal collecting unit;
111-wire; 12-signal amplifier;
13-wireless signal transmitter; 14-clock synchronization circuit;
15-solar panel; 16-energy storage capacitor;
17-casing; 18-bandage;
2-fault-signal receiving trap; 21-wireless signal receiver;
22-computing machine;
3-fault-signal treating apparatus; 31-CPU (central processing unit);
4-fault handling information receiving trap; 41-mobile communications tool.
Embodiment
For making those skilled in the art better understand the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, the utility model discloses a kind of electric network fault positioning system, comprise trouble signal pickup device 1, fault-signal receiving trap 2, fault-signal treating apparatus 3 and fault handling information receiving trap 4, trouble signal pickup device 1 is for gathering and the fault-signal that sends of the electric network fault transmitting Devices to test; The fault-signal that fault-signal receiving trap 2 transmits for receiving trouble signal pickup device 1, is then converted to wire signal by fault-signal and transmits this fault-signal existed with wired forms to fault-signal treating apparatus 3; The fault-signal that fault-signal treating apparatus 3 transmits with the form of wire signal for receiving fault-signal receiving trap 2, and treatment and analysis is carried out to this fault-signal, then obtain failure message according to treatment and analysis result, carry out localization of fault accurately with the electric network fault of device under test; Fault handling information receiving trap 4 is for receiving localization of fault information.
As shown in Figure 1, wherein bold arrow represents wire signal transmission, and single arrow represents electric current, and straight line represents wireless signal transmission.
In the present embodiment, Devices to test is CVT (ContinuouslyVariableTransmission constant-voltage transformer), transformer or condenser type CT (CurrentTransformer current transformer) bottom shielding of bushing etc.
Shown in composition graphs 1, trouble signal pickup device 1 comprises travelling wave signal collecting unit 11, clock synchronization circuit 14, sender unit and power supply unit, wherein sender unit comprises signal amplifier 12 and wireless signal transmitter 13, travelling wave signal collecting unit 11 is connected by the ground wire of wire with the electrical network of Devices to test, for the travelling wave signal in the fault-signal that collection electric network fault sends; Clock synchronization circuit 14 is connected with travelling wave signal collecting unit 11 by cable, for revising the delivery time that travelling wave signal transmits to fault-signal receiving trap 2, makes the precision that travelling wave signal reaches higher; Then travelling wave signal amplifies process by signal amplifier 12; Wireless signal transmitter 13 is connected with signal amplifier 12 by cable, for being transmitted to fault-signal receiving trap 2 by the travelling wave signal of amplification; Power supply unit is electrically connected for powering respectively with travelling wave signal collecting unit 11, clock synchronization circuit 14, signal amplifier 12 and wireless signal transmitter 13 respectively.This trouble signal pickup device 1 can gather rapidly and accurately and transmit travelling wave signal.
Continue composition graphs 1, Fig. 2 and Fig. 3, trouble signal pickup device 1 also comprises casing 17, travelling wave signal collecting unit 11, clock synchronization circuit 14 and signal amplifier 12 are arranged in casing 17, the sidewall of casing 17 is provided with the circular hole (not shown) being fed to wire 111 and passing, wire 111 can be fixed on ground wire by wire clamp; Wireless signal transmitter 13 is arranged on the end face outer wall of casing 17; Casing 17 passes through bandage 18 bondage on Devices to test.The setting of casing 17; not only can protect and carry travelling wave signal collecting unit 11, clock synchronization circuit 14, signal amplifier 12 and wireless signal transmitter 13; and make the structure of this trouble signal pickup device 1 compacter; also be easy to carry and move, to change position for detecting other Devices to test.
Continue composition graphs 2, power supply unit comprises solar panel 15 and energy storage capacitor 16 (not shown in Fig. 2), and solar panel 15 is laid on a lateral surface of casing 17, and energy storage capacitor 16 is arranged in casing 17; Solar panel 15 or energy storage capacitor 16 are electrically connected for being powered respectively with travelling wave signal collecting unit 11, clock synchronization circuit 14, signal amplifier 12 and wireless signal transmitter 13 respectively, energy storage capacitor 16 power supply in support, solar panel 15 and energy storage capacitor 16 are electrically connected, when the electricity of energy storage capacitor 16 is not enough, solar panel 15 is also for charging for energy storage capacitor 16, therefore can realize cycle power, provide cost savings.
In the present embodiment, travelling wave signal is transmitted to fault-signal receiving trap 2 by GPRS (GeneralPacketRadioService general packet radio service technology) by wireless signal transmitter 13.
Continue composition graphs 1, fault-signal receiving trap 2 comprises and is all arranged at wireless signal receiver 21 in transformer station and computing machine 22, wireless signal receiver 21 is connected with wireless signal transmitter 13 signal, and be connected with computing machine 22 by cable, wireless signal receiver 21 receives the travelling wave signal that wireless signal transmitter 13 is launched, and this travelling wave signal being converted to wire signal to be transmitted to computing machine 22 by cable by travelling wave signal, travelling wave signal transmits to fault-signal treating apparatus 3 by computing machine 22 again.
Continue composition graphs 1, fault-signal treating apparatus 3 comprises CPU (central processing unit) 31, CPU (central processing unit) 31 is connected with computing machine 22 by LAN (Local Area Network), the travelling wave signal that CPU (central processing unit) 31 is transmitted by LAN (Local Area Network) for receiving also treatment and analysis computing machine 22, to obtain and to store the localization of fault information comprising fault type and abort situation, then localization of fault information transmits to fault handling information receiving trap 4 by CPU (central processing unit) 31.
Continue composition graphs 1, fault handling information receiving trap 4 comprises mobile communications tool 41, and mobile communications tool 41 is connected with CPU (central processing unit) 31 signal, transmits for receiving CPU (central processing unit) 31 the localization of fault information transmitted.Such as, mobile communications tool 41 can be mobile phone, and mobile phone is carried with by operator on duty and operations staff, so that operator on duty and operations staff know abort situation and fault type in time, and processes electric network fault.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (10)
1. an electric network fault positioning system, is characterized in that, comprising:
Trouble signal pickup device, its fault-signal sent for the electric network fault gathering Devices to test, and by described fault-signal to the transmission of fault-signal receiving trap;
Described fault-signal receiving trap, it is for receiving described fault-signal, and by described fault-signal to the transmission of fault-signal treating apparatus;
Described fault-signal treating apparatus, it receives fault-signal and positions described electric network fault, and by localization of fault information to the transmission of fault handling information receiving trap;
Described fault handling information receiving trap, it receives and shows described localization of fault information;
Be electrically connected between described trouble signal pickup device, described fault-signal receiving trap and described fault-signal treating apparatus, wireless connections between described fault-signal treating apparatus and described fault handling information receiving trap.
2. electric network fault positioning system according to claim 1, is characterized in that, described trouble signal pickup device comprises:
Travelling wave signal collecting unit, it is connected by the ground wire of wire with the electrical network of described Devices to test, for the travelling wave signal gathered in fault-signal;
Clock synchronization circuit, its delivery time of transmitting to described fault-signal receiving trap for revising travelling wave signal;
Sender unit, it is for transmitting travelling wave signal to described fault-signal receiving trap;
Described travelling wave signal collecting unit, to be electrically connected between clock synchronization circuit and sender unit;
Power supply unit, itself and described travelling wave signal collecting unit, clock synchronization circuit and sender unit are electrically connected respectively for powering respectively.
3. electric network fault positioning system according to claim 2, it is characterized in that, described sender unit comprises signal amplifier for amplifying travelling wave signal and the wireless signal transmitter for being transmitted to described fault-signal receiving trap with wireless signal form by the travelling wave signal after amplifying, and described travelling wave signal collecting unit, is electrically connected between signal amplifier with wireless signal transmitter.
4. electric network fault positioning system according to claim 3, it is characterized in that, described trouble signal pickup device also comprises casing, described travelling wave signal collecting unit, clock synchronization circuit and signal amplifier are arranged in described casing, and the sidewall of described casing is provided with the circular hole passed for described wire; Described wireless signal transmitter is arranged on the end face outer wall of described casing; Described casing passes through bandage bondage on described Devices to test.
5. electric network fault positioning system according to claim 4, it is characterized in that, described power supply unit comprises solar panel for powering respectively and energy storage capacitor, described solar panel is laid on a lateral surface of described casing, described energy storage capacitor is arranged in described casing, described solar panel and described energy storage capacitor are electrically connected, and power for for described energy storage capacitor.
6. electric network fault positioning system according to claim 4, is characterized in that, described Devices to test is transformer or capacitive battery current transformer bottom shielding of bushing.
7. electric network fault positioning system according to claim 3, is characterized in that, described wireless signal transmitter by GPRS network by travelling wave signal to the transmission of described fault-signal receiving trap.
8. electric network fault positioning system according to claim 7, it is characterized in that, described fault-signal receiving trap comprises the wireless signal receiver be arranged in transformer station, described wireless signal receiver for receiving travelling wave signal and travelling wave signal being transformed to wire signal, and by cable by this wire signal to computing machine transmission.
9. electric network fault positioning system according to claim 8, it is characterized in that, described fault-signal treating apparatus is connected with described computing machine by LAN (Local Area Network), will comprise the described localization of fault information of fault type and abort situation to the transmission of described fault handling information receiving trap for the travelling wave signal that obtains in described computing machine.
10. electric network fault positioning system according to claim 9, it is characterized in that, described fault handling information receiving trap comprises mobile terminal, it is connected with the communication of described fault-signal treating apparatus, for receive and show described fault-signal treating apparatus CPU (central processing unit) transmit described localization of fault information.
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CN201520742172.6U CN205027856U (en) | 2015-09-23 | 2015-09-23 | Power system fault positioning system |
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CN201520742172.6U CN205027856U (en) | 2015-09-23 | 2015-09-23 | Power system fault positioning system |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105929303A (en) * | 2016-04-18 | 2016-09-07 | 国网山东省电力公司郓城县供电公司 | Power-supply network fault traveling wave positioning device |
CN105954649A (en) * | 2016-06-27 | 2016-09-21 | 国家电网公司 | Distribution line fault positioning apparatus |
CN106841877A (en) * | 2017-03-28 | 2017-06-13 | 海南电网有限责任公司 | Transformer hidden danger on-line monitoring method based on travelling wave current |
US20220060541A1 (en) * | 2019-03-05 | 2022-02-24 | Operation Technology, Inc. | Utlity network project modeling and management |
-
2015
- 2015-09-23 CN CN201520742172.6U patent/CN205027856U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105929303A (en) * | 2016-04-18 | 2016-09-07 | 国网山东省电力公司郓城县供电公司 | Power-supply network fault traveling wave positioning device |
CN105954649A (en) * | 2016-06-27 | 2016-09-21 | 国家电网公司 | Distribution line fault positioning apparatus |
CN106841877A (en) * | 2017-03-28 | 2017-06-13 | 海南电网有限责任公司 | Transformer hidden danger on-line monitoring method based on travelling wave current |
US20220060541A1 (en) * | 2019-03-05 | 2022-02-24 | Operation Technology, Inc. | Utlity network project modeling and management |
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