CN104242461A - Intelligent sectionalizer - Google Patents

Intelligent sectionalizer Download PDF

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Publication number
CN104242461A
CN104242461A CN201410521685.4A CN201410521685A CN104242461A CN 104242461 A CN104242461 A CN 104242461A CN 201410521685 A CN201410521685 A CN 201410521685A CN 104242461 A CN104242461 A CN 104242461A
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CN
China
Prior art keywords
intelligent
fault
signal
sectionalizer
unit
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
Application number
CN201410521685.4A
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Chinese (zh)
Inventor
吴海良
胡伟锋
方健
裘麒洋
高朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Cixi Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Cixi Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd, Cixi Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410521685.4A priority Critical patent/CN104242461A/en
Publication of CN104242461A publication Critical patent/CN104242461A/en
Pending legal-status Critical Current

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Abstract

The invention provides an intelligent sectionalizer comprising an intelligent circuit breaker and a communication server. The intelligent circuit breaker is used for connecting principal lines with branch lines of a power distribution system and automatically falls and outputs fault signals when judging that the branch lines have permanent faults incapable of being recovered automatically, the communication server is arranged at the same position of the intelligent circuit breaker and used for transmitting address information of the intelligent circuit breaker to maintainers when the intelligent circuit breaker outputs the fault signals, and the maintainers are capable of quickly locating fault points according to the address information without troubleshooting point by point. The maintainers quickly locate the fault points according to the address information, thus, the problem of low work efficiency due to the fact that the maintainers need to troubleshoot point by point when the power distribution system is in a failure is solved.

Description

A kind of intelligent sectionalizer
Technical field
The application relates to technical field of electric power, more particularly, relates to a kind of intelligent sectionalizer.
Background technology
At present, intelligent breaker is widely used in distribution system, and the fault occurred for distinguishing distribution system is temporary derangement or permanent fault.In common electrical distribution system, the fault of about 90% is the temporary derangement that the transient current caused due to branch or birds contact wire or thunder and lightning causes, can automatically recover without the need to external intervention or maintenance, transformer station automatic recloser again after power transmission fault may disappear.But some failure ratio is more serious, at this moment will occur that the line outage of permanent fault is keeped in repair with regard to needing, at this moment intelligent breaker automatically can fall and the circuit broken down and main line separated with thorough, but because maintenance personal cannot know the position of fault, therefore need pointwise investigation in line maintenance, thus reduce operating efficiency.
Summary of the invention
In view of this, the application provides a kind of intelligent sectionalizer, for solving personnel's pointwise investigation and the lower problem of the operating efficiency that causes of needing repairing when distribution system breaks down.
To achieve these goals, the existing scheme proposed is as follows:
A kind of intelligent sectionalizer, is applied in distribution system, comprises:
At least one intelligent breaker, is arranged on the branch line of distribution system and the waypoint place of main line, for connecting described branch line and described main line, is configured to automatically fall when permanent fault appears in described branch line and export fault-signal;
Host computer communication, is arranged on described waypoint place, is configured to export described fault-signal for receiving described intelligent breaker, and the address information of described intelligent breaker is sent to maintenance personal by telecommunication mode.
Preferably, described intelligent breaker and described host computer communication wirelessly receive and dispatch described fault-signal.
Preferably, described intelligent breaker comprises:
Fault-signal acquiring unit, for obtaining described fault-signal from the control system of described intelligent breaker;
Fault-signal transmitting element, is connected with described fault-signal acquiring unit, sends to described host computer communication for the described fault-signal obtained by described fault-signal acquiring unit.
Preferably, described host computer communication comprises:
Fault-signal receiving element, for receiving the fault-signal that described intelligent breaker exports;
Data processing unit, is connected with described fault-signal receiving element, for exporting described address information according to described fault-signal;
Remote communication unit, is connected with described data processing unit, for described address information is sent to described maintenance personal.
Preferably, described remote communication unit comprises long-distance radio communication unit or wire communication unit.
Preferably, described wire communication unit is optical-fibre communications unit.
Preferably, described long-distance radio communication unit is GPRS communication unit or 3G communication unit.
Preferably, the quantity of described intelligent breaker is 3;
Described host computer communication also comprises remote control unit, for sending shutoff signal when arbitrary described intelligent breaker sends described fault-signal;
Described intelligent breaker is provided with cutting-off controlling unit, and other two the described intelligent breakers do not fallen initiatively fall according to described shutoff signal.
Preferably, the supply unit of described host computer communication is device of solar generating.
Preferably, described device of solar generating comprises:
Solar components;
The voltage stabilizing circuit be connected with described solar components;
The storage battery be connected with described voltage stabilizing circuit.
As can be seen from technique scheme, the intelligent sectionalizer that the application provides comprises intelligent breaker and host computer communication.Intelligent breaker, for connecting main line and the branch line of distribution system, automatically falls when intelligent breaker judges that the permanent fault that can not automatically recover appears in branch line and exports fault-signal; Host computer communication and this intelligent breaker are arranged at same place, for just the address information of this intelligent breaker being sent to maintenance personal when intelligent breaker exports fault-signal, maintenance personal just can navigate to the position of fault according to this address information rapidly, and investigates without the need to pointwise.Due to this intelligent sectionalizer can make maintenance personal can quick position fault point by address information, thus personnel's pointwise investigation and the lower problem of the operating efficiency that causes of needing repairing when distribution system breaks down can be solved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of a kind of intelligent sectionalizer that Fig. 1 provides for the embodiment of the present application;
The structure chart of a kind of intelligent sectionalizer that Fig. 2 provides for another embodiment of the application;
The structure chart of a kind of intelligent sectionalizer that Fig. 3 provides for another embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment one
The schematic diagram of a kind of intelligent sectionalizer that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the intelligent sectionalizer that the present embodiment provides is applied in distribution system, comprises intelligent breaker 10 and host computer communication 20.
This intelligent breaker 10 is arranged on the main line (not shown) of distribution system and waypoint 100 place of branch line (not shown), for connecting this branch line and main line, the electrical connection of branch line and main line will be cut off when it falls, at this moment branch line is keeped in repair or safeguard and would not impact the power supply of main line, when branch line possesses condition of power supply, utilize insulating bar that this intelligent breaker 10 is pushed to and can be powered to branch line.
From background technology, the power-off fault of the overwhelming majority belongs to temporary derangement, therefore when there is temporary derangement, this intelligent breaker 10 can not fall, and only has and just can fall when intelligent breaker 10 confirms that power-off fault belongs to the permanent fault that can not automatically recover, and export fault-signal simultaneously.
Host computer communication 20 is arranged at this waypoint 100 place equally, for receiving the fault-signal that intelligent breaker 10 exports.When intelligent breaker 10 has fault-signal to export, the address information of this intelligent breaker 10 is sent to maintenance personal by host computer communication 20, maintenance personal can navigate to according to the address information received the branch line broken down rapidly, and shows up in time and keep in repair.
As can be seen from technique scheme, the intelligent sectionalizer that the present embodiment provides comprises intelligent breaker and host computer communication.Intelligent breaker, for connecting main line and the branch line of distribution system, automatically falls when intelligent breaker judges that the permanent fault that can not automatically recover appears in branch line and exports fault-signal; Host computer communication and this intelligent breaker are arranged at same place, for just the address information of this intelligent breaker being sent to maintenance personal when intelligent breaker exports fault-signal, maintenance personal just can navigate to the position of fault according to this address information rapidly, and investigates without the need to pointwise.Due to this intelligent sectionalizer can make maintenance personal can quick position fault point by address information, thus personnel's pointwise investigation and the lower problem of the operating efficiency that causes of needing repairing when distribution system breaks down can be solved.
In order to increase the flexibility of the laying of this intelligent sectionalizer, between intelligent breaker 10 and host computer communication 20, adopting the mode of wireless telecommunications to carry out the transmitting-receiving of signal, specifically adopting radiofrequency signal to receive and dispatch this fault-signal.
Embodiment two
The structure chart of a kind of intelligent sectionalizer that Fig. 2 provides for another embodiment of the application.
As shown in Figure 2, the intelligent sectionalizer that the present embodiment provides comprises intelligent breaker 10 and host computer communication 20 equally.
Intelligent breaker 10 is provided with fault-signal acquiring unit 11 and fault-signal transmitting element 12.
The control system (not shown) of intelligent breaker 10 judges fault type by detecting the electric current flow through wherein, and when judging that permanent fault appears in branch line, its control system can export fault-signal.The signal input part (not shown) of this fault-signal acquiring unit 11 is connected with the signal output part of the control system of intelligent breaker 10, for receiving the fault-signal that this control system exports.
The signal input part (not shown) of fault-signal transmitting element 12 is connected with the signal output part (not shown) of fault-signal acquiring unit 11, obtaining and the fault-signal exported by its signal output part for receiving this fault-signal acquiring unit 11, then utilizing radiofrequency signal that this fault-signal is sent to host computer communication 20.
Host computer communication 20 comprises fault-signal receiving element 21, data processing unit 22 and remote communication unit 23.
The fault-signal that fault-signal receiving element 21 sends for utilizing the fault-signal transmitting element 12 of rf signal reception intelligent breaker 10; Data processing unit 22 for outputting to the signal input part (not shown) of remote communication unit 23 after fault-signal receiving element 21 receives fault-signal by the address information of this intelligent breaker 10; This address information is sent to maintenance personal by the means of telecommunication after receiving the address information of data processing unit 22 output by its signal input part (not shown) by this address information by remote communication unit 23.Maintenance personal can locate according to this address information the branch line broken down.
Remote communication unit 23 can be optical-fibre communications unit, address information is sent on the terminal equipment (not shown) on duty of station, maintenance personal place by optical fiber by optical-fibre communications unit, and maintenance personal can obtain this address information by this terminal equipment on duty.Convenient in order to communication, this remote communication unit 23 can also be GRPS communication unit or 3G communication unit etc., is sent on the mobile phone of maintenance personal, makes maintenance personal obtain address information more convenient by telecommunication channel by this address information.
Address information can be the geography information of directly reacting specified place, can also be the numbering of this waypoint, can obtain specified place by tabling look-up.
Embodiment three
The structure chart of a kind of intelligent sectionalizer that Fig. 3 provides for the another embodiment of the application.
As shown in Figure 3, the intelligent sectionalizer that the present embodiment provides comprises host computer communication 20 intelligent breaker 10 identical with purposes with 3 structures, and each intelligent breaker 10 is applied in a phase of 3 cross streams electricity, forms 3 phase segmented systems.
In the actual motion of distribution system, there is the phenomenon of single-phase fault sometimes, in order to the damage not making electrical network phase-deficient operation cause power consumption equipment, all the other two-phases also must be cut off when there is single-phase power failure.
Host computer communication 20 in the present embodiment has set up remote control unit 24 on the basis of a upper embodiment, is provided with cutting-off controlling unit 13 in intelligent breaker 10.When intelligent breaker 10 arbitrary in 3 intelligent breakers 10 because permanent fault is fallen and after exporting fault-signal, this remote control unit 24 sends shutoff signal by radiofrequency signal.At this moment all the other two intelligent breakers do not fallen 10 fall immediately after receiving shutoff signal, all the other two-phases are cut off, thus avoid the phase-deficient operation of electrical network.
In above arbitrary embodiment, in order to the operation ensureing that communication host 20 can be continual and steady, its supply unit (not shown) is device of solar generating, this device of solar generating comprises solar components and storage battery, both are connected by voltage stabilizing circuit, and are powered to host computer communication by voltage stabilizing circuit.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. an intelligent sectionalizer, is applied in distribution system, it is characterized in that, comprising:
At least one intelligent breaker, is arranged on the branch line of distribution system and the waypoint place of main line, for connecting described branch line and described main line, is configured to automatically fall when permanent fault appears in described branch line and export fault-signal;
Host computer communication, is arranged on described waypoint place, is configured to export described fault-signal for receiving described intelligent breaker, and the address information of described intelligent breaker is sent to maintenance personal by telecommunication mode.
2. intelligent sectionalizer as claimed in claim 1, it is characterized in that, described intelligent breaker and described host computer communication wirelessly receive and dispatch described fault-signal.
3. intelligent sectionalizer as claimed in claim 1, it is characterized in that, described intelligent breaker comprises:
Fault-signal acquiring unit, for obtaining described fault-signal from the control system of described intelligent breaker;
Fault-signal transmitting element, is connected with described fault-signal acquiring unit, sends to described host computer communication for the described fault-signal obtained by described fault-signal acquiring unit.
4. intelligent sectionalizer as claimed in claim 1, it is characterized in that, described host computer communication comprises:
Fault-signal receiving element, for receiving the fault-signal that described intelligent breaker exports;
Data processing unit, is connected with described fault-signal receiving element, for exporting described address information according to described fault-signal;
Remote communication unit, is connected with described data processing unit, for described address information is sent to described maintenance personal.
5. intelligent sectionalizer as claimed in claim 4, it is characterized in that, described remote communication unit comprises long-distance radio communication unit or wire communication unit.
6. intelligent sectionalizer as claimed in claim 5, it is characterized in that, described wire communication unit is optical-fibre communications unit.
7. intelligent sectionalizer as claimed in claim 6, it is characterized in that, described long-distance radio communication unit is GPRS communication unit or 3G communication unit.
8. the intelligent sectionalizer as described in any one of claim 1 ~ 7, is characterized in that, the quantity of described intelligent breaker is 3;
Described host computer communication also comprises remote control unit, for sending shutoff signal when arbitrary described intelligent breaker sends described fault-signal;
Described intelligent breaker is provided with cutting-off controlling unit, and other two the described intelligent breakers do not fallen initiatively fall according to described shutoff signal.
9. intelligent sectionalizer as claimed in claim 8, it is characterized in that, the supply unit of described host computer communication is device of solar generating.
10. intelligent sectionalizer as claimed in claim 9, it is characterized in that, described device of solar generating comprises:
Solar components;
The voltage stabilizing circuit be connected with described solar components;
The storage battery be connected with described voltage stabilizing circuit.
CN201410521685.4A 2014-09-30 2014-09-30 Intelligent sectionalizer Pending CN104242461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410521685.4A CN104242461A (en) 2014-09-30 2014-09-30 Intelligent sectionalizer

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10444725B2 (en) 2017-02-22 2019-10-15 Abb Schweiz Ag Power distribution systems and methods of performing zone selective interlocking in power distribution systems with a communication network
US10644498B2 (en) 2017-02-22 2020-05-05 Aab Schweiz Ag Power distribution systems and methods of performing zone selective interlocking in power distribution systems with a communication network
US10673226B2 (en) 2017-02-22 2020-06-02 Abb Schweiz Ag Power distribution systems and methods of operating power distribution systems with a communication network
US10797479B2 (en) 2017-02-22 2020-10-06 Abb Schweiz Ag Power distribution systems and methods of performing ground fault detection in power distribution systems with a communication network
US10935604B2 (en) 2017-02-22 2021-03-02 Abb Schweiz Ag Power distribution systems and methods of testing responses to electrical conditions using a communication network

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101741060A (en) * 2010-01-03 2010-06-16 郑文秀 Demarcation circuit breaker device and remote monitoring method thereof
EP2618457A2 (en) * 2011-05-20 2013-07-24 Huawei Technologies Co., Ltd. Intelligent power distribution system and method
CN103746355A (en) * 2014-01-20 2014-04-23 陈勃闻 Intelligent sectionalizer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101741060A (en) * 2010-01-03 2010-06-16 郑文秀 Demarcation circuit breaker device and remote monitoring method thereof
EP2618457A2 (en) * 2011-05-20 2013-07-24 Huawei Technologies Co., Ltd. Intelligent power distribution system and method
CN103746355A (en) * 2014-01-20 2014-04-23 陈勃闻 Intelligent sectionalizer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10444725B2 (en) 2017-02-22 2019-10-15 Abb Schweiz Ag Power distribution systems and methods of performing zone selective interlocking in power distribution systems with a communication network
US10644498B2 (en) 2017-02-22 2020-05-05 Aab Schweiz Ag Power distribution systems and methods of performing zone selective interlocking in power distribution systems with a communication network
US10673226B2 (en) 2017-02-22 2020-06-02 Abb Schweiz Ag Power distribution systems and methods of operating power distribution systems with a communication network
US10797479B2 (en) 2017-02-22 2020-10-06 Abb Schweiz Ag Power distribution systems and methods of performing ground fault detection in power distribution systems with a communication network
US10935604B2 (en) 2017-02-22 2021-03-02 Abb Schweiz Ag Power distribution systems and methods of testing responses to electrical conditions using a communication network

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Application publication date: 20141224