CN106680668A - Power distribution network single-phase earth fault on-line monitoring and positioning system - Google Patents
Power distribution network single-phase earth fault on-line monitoring and positioning system Download PDFInfo
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- CN106680668A CN106680668A CN201611199338.XA CN201611199338A CN106680668A CN 106680668 A CN106680668 A CN 106680668A CN 201611199338 A CN201611199338 A CN 201611199338A CN 106680668 A CN106680668 A CN 106680668A
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- 238000009826 distribution Methods 0.000 title claims abstract description 63
- 238000012544 monitoring process Methods 0.000 title claims abstract description 35
- 230000006855 networking Effects 0.000 claims abstract description 115
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract 2
- 230000002123 temporal effect Effects 0.000 description 19
- 230000001360 synchronised effect Effects 0.000 description 12
- 238000003860 storage Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 241001269238 Data Species 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention discloses a power distribution network single-phase earth fault on-line monitoring and positioning system. The power distribution network single-phase earth fault on-line monitoring and positioning system includes a line measuring unit, a power distribution network monitoring main station and a data base station, wherein a wireless communication module of the line measuring unit utilizes bluetooth short range wireless networking modules, and is connected with bluetooth short range wireless networking modules contained in the data base station through the bluetooth short range wireless networking modules; and the data base station is connected with the power distribution network monitoring main station through a GPRS remote wireless communication module. The power distribution network single-phase earth fault on-line monitoring and positioning system has the advantages of high transmission speed, long transmission distance and low possibility of data loss in the data transmission aspect, and can bring great economic benefit. The power distribution network single-phase earth fault on-line monitoring and positioning system is suitable for performing on-line monitoring and positioning on a single-phase earth fault of a power distribution network.
Description
Technical field
The invention belongs to electric network fault monitoring device technical field, singlephase earth fault on-line monitoring for power distribution network and
Positioning, specifically a kind of one-phase earthing failure in electric distribution network on-line monitoring and alignment system.
Background technology
China's power distribution network is the radiation network based on suspended insulated guide wire and cable mostly, and its direct-to-ground capacitance value is larger, ground connection
The capacitance current produced during failure also will accordingly increase, and can cause arc overvoltage, thus easily cause circuit non-faulting phase
Insulation weakness occurs to puncture over the ground, causes two-phase grounding fault, influences the safe operation of power system.Therefore, power supply enterprise
It is highly desirable to develop reliable and practical low current grounding positioner, can be accurate after system occurs earth fault
Really select faulty line and fault location is carried out to faulty line, fault message is then sent remotely to control centre and is sent
Alarm, fixes a breakdown and restores electricity in time for maintainer, can monitor power distribution network on-line under normal operating conditions each main
The running status of circuit, the scheduling distribution network load of science balance, the service life of extension device, to main line and transformer
Life cycle management is carried out, customer outage hours are reduced, customer power supply reliability is improved.
The Chinese utility model patent of Patent No. 201620538161.0, discloses a kind of " matching somebody with somebody based on radio communication
Power network distributed on line monitoring and fault location system ", can provide accurate line for the staff of distribution network monitoring main website
Road operation conditions, finds earth fault, and positioning both ground trouble point in time in time, drastically increases the work that earth fault is looked for
Make efficiency.However, the wireless communication module of this innovation and creation uses ZIGBEE modules of the prior art, transmission rate is low,
Transmission range is short, but also is easily lost data, and many troubles are caused to application work.
The content of the invention
To solve the above-mentioned problems in the prior art, the present invention is intended to provide a kind of one-phase earthing failure in electric distribution network exists
Line is monitored and alignment system, and wireless communication module is done using bluetooth near radio networking module, and not only transmission rate is fast, and
Can transmission range it is long, do not allow data easy to lose yet.
To achieve the above object, the technical scheme for being used is as follows for the present invention：
A kind of one-phase earthing failure in electric distribution network on-line monitoring and alignment system, it includes route survey unit, distribution network monitoring master
Stand and data basestation；
Described distribution network monitoring main website is installed in power distribution network transformer station, with reception teledata, issues control command, number
According to real-time processing, historical data call, breakdown judge, alarm message reminding, menu display function；
The route survey unit include three cover node measurement devices, i.e. measuring node A, measuring node B and measuring node C,
They are respectively installed in the A phase, B phase, C phase of three-phase alternating current, and 50 electric current width of A phase, B phase, C phase in each second are uploaded respectively
The temporal information of value sampled data and these data, and the number described in described three cover node measurement device energy wireless receivings
According to the downward Query Information of base station；
The measuring node A includes A phases core processor, A phase line current acquisitions module, A phase GPS the whole network sync identification modules
With A phase bluetooth near radio networking modules, A phases core processor is connected with A phase line current acquisition modules, for controlling A
Phase line current measurement module gathered data information, and data message is analyzed, draw fault location information；, A phase cores
Processor is connected with A phase GPS the whole network sync identification modules, for controlling the synchronous acquisition of power distribution network current data information, and is
The current data match time information of these collections, to reach the mesh of the synchronous acquisition of all line current data messages of power distribution network
's；A phases core processor is connected with A phase bluetooth near radio networking modules, for controlling A phase bluetooth near radio networkings
Current data information, temporal information and the control that module sends measuring node A collections receive data basestation inquiry measuring node A's
Collection information；
The measuring node B includes B phases core processor, B phase line current acquisitions module, B phase GPS the whole network sync identification modules
With B phase bluetooth near radio networking modules, B phases core processor is connected with B phase line current acquisition modules, for controlling B
Phase line current measurement module gathered data information, and data message is analyzed, draw fault location information；B phase cores
Processor is connected with B phase GPS the whole network sync identification modules, for controlling the synchronous acquisition of power distribution network current data information, and is
The current data match time information of these collections, to reach the mesh of the synchronous acquisition of all line current data messages of power distribution network
's；B phases core processor is connected with B phase bluetooth near radio networking modules, for controlling B phase bluetooth near radio networkings
Current data information, temporal information and the control that module sends measuring node B collections receive data basestation inquiry measuring node B's
Collection information；
The measuring node C includes C phases core processor, C phase line current acquisitions module, C phase GPS the whole network sync identification modules
With C phase bluetooth near radio networking modules, C phases core processor is connected with C phase line current acquisition modules, for controlling C
Phase line current measurement module gathered data information, and data message is analyzed, draw fault location information；C phase cores
Processor is connected with C phase GPS the whole network sync identification modules, for controlling the synchronous acquisition of power distribution network current data information, and is
The current data match time information of these collections, to reach the mesh of the synchronous acquisition of all line current data messages of power distribution network
's；C phases core processor is connected with C phase bluetooth near radio networking modules, for controlling C phase bluetooth near radio networkings
Current data information, temporal information and the control that module sends measuring node C collections receive data basestation inquiry measuring node C's
Collection information；
The data basestation includes that data basestation core processor, the first bluetooth near radio networking module, the second bluetooth are near
Apart from wireless networking module, the 3rd bluetooth near radio networking module, GPRS remote-wireless communication modules, the data base
Stand core processor respectively with the first bluetooth near radio networking module, the second bluetooth near radio networking module, the 3rd
Bluetooth near radio networking module, the connection of GPRS remote-wireless communication module；
The A phases bluetooth near radio networking module passes through Bluetooth address with the first bluetooth near radio networking module
Unique pairing realizes that wireless networking is connected, the B phases bluetooth near radio networking module and second bluetooth closely without
By Bluetooth address, uniquely pairing realizes that wireless networking is connected to line networking module, the C phases bluetooth near radio networking module
By Bluetooth address, uniquely pairing realizes that wireless networking is connected with the 3rd bluetooth near radio networking module；
The data basestation passes through GPRS remote-wireless communication module and distribution network monitoring main website wireless connection.
As restriction：The measuring node A also includes A phase data memory modules, and A phases core processor is deposited with A phase datas
Storage module connection, line current data message and A phase GPS the whole network clocked flip moulds for controlling the A collections of storage measuring node
The temporal information that block is obtained, so that distribution network monitoring main website is called to these current data information and temporal information；
The measuring node B also includes B phase data memory modules, and B phases core processor is connected with B phase data memory modules, uses
In the time letter that the line current data message and B phase GPS the whole network clocked flip modules of control storage measuring node B collections are obtained
Breath, so that distribution network monitoring main website is called to these current data information and temporal information；
The measuring node C also includes C phase data memory modules, and C phases core processor is connected with C phase data memory modules, uses
In the time letter that the line current data message and C phase GPS the whole network clocked flip modules of control storage measuring node C collections are obtained
Breath, so that distribution network monitoring main website is called to these current data information and temporal information；
The data basestation also includes data basestation data memory module, for storing the electricity that the route survey unit sends
Flow data and temporal information, data basestation data memory module are connected with data basestation core processor.
As second restriction：The hardware configuration of the measuring node A, measuring node B and measuring node C is completely the same.
As the third restriction：First bluetooth near radio networking module, the second bluetooth near radio networking mould
Block, the 3rd bluetooth near radio networking module and the A phases bluetooth near radio networking module, B phases bluetooth closely without
Line networking module, C phase bluetooth near radio networking module hardware configurations are completely the same, only difference is that the data base
Bluetooth of standing near radio networking module be host mode, A phase bluetooth near radios networking module, B phases bluetooth closely without
Line networking module, C phase bluetooth near radios networking module are slave mode.
The present invention as a result of above-mentioned structure, its compared with prior art, acquired technological progress is：
（1）The present invention does wireless communication module using bluetooth near radio networking module, and not only transmission rate is fast, and can pass
Defeated distance, does not allow data easy to lose yet；
（2）The hardware configuration of three cover node measurement devices of the invention is completely the same, is easy to batch production, without deliberately during installation
Distinguish, it is easy and time saving.
The present invention is monitored on-line and positioned suitable for the singlephase earth fault to power distribution network.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, with reality of the invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.
Fig. 1 is the topological diagram of the embodiment of the present invention；
Fig. 2 is the fault location schematic diagram of the embodiment of the present invention；
Fig. 3 is route survey unit and data basestation communication scheme in the embodiment of the present invention；
Fig. 4 Fig. 4 is the hardware structure diagram of measurement child node in the embodiment of the present invention；
Fig. 5 is the hardware structure diagram of data basestation in the embodiment of the present invention；
The scheme of installation of route survey unit in Fig. 6 embodiment of the present invention.
In figure：A1, A phase core processor, A2, A phase GPS the whole network sync identification modules, A3, A phase bluetooth near radio
Networking module, A4, A phase line current acquisition module, A5, A phase data memory module, B1, B phase core processor, B2, B phase
GPS the whole network sync identification modules, B3, B phase bluetooth near radio networking module, B4, B phase line current acquisition module, B5, B
Phase data memory module, C1, C phase core processor, C2, C phase GPS the whole network sync identification modules, C3, C phase bluetooth closely without
Line networking module, C4, C phase line current acquisition module, C5, C phase data memory module, S1, data basestation core processor, S2
, GPRS remote-wireless communication modules, S3-1, the first bluetooth near radio networking module, S3-2, the second bluetooth closely without
Line networking module, S3-3, the 3rd bluetooth near radio networking module, S4, data basestation data memory module.
Specific embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing.It should be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
A kind of one-phase earthing failure in electric distribution network on-line monitoring of embodiment and alignment system
The present embodiment is as shown in figure 1, including route survey unit, distribution network monitoring main website and data basestation.
Distribution network monitoring main website is installed in power distribution network transformer station, possesses public network fixed ip address, is remotely counted with receiving
According to, issue control command, the real-time processing of data, historical data call, breakdown judge, alarm message reminding, picture display work(
Can, as shown in Fig. 2 route survey unit, data basestation are installed in each crucial bifurcation of distribution network line, it is responsible for synchronous acquisition
The current information of distribution network line.
Route survey unit include three cover node measurement devices, i.e. measuring node A, measuring node B and measuring node C,
The hardware configuration of measuring node A, measuring node B and measuring node C is completely the same.
As shown in fig. 6, they are respectively installed in the A phase, B phase, C phase of three-phase alternating current, A in each second is uploaded respectively
The temporal information of phase, B phases, 50 current amplitude sampled datas of C phases and these data, and described three cover node measurements dress
Put the downward Query Information of the data basestation described in energy wireless receiving；As shown in figure 4, measurement child node includes phase core processing
Device, line current acquisition module, GPS the whole network sync identification modules and bluetooth near radio networking module, the direction of arrow in figure
Represent gathered data flow direction；
As shown in figure 3, measuring node A includes that A phase core processor A1, A phase line current acquisition modules As 4, A phase GPS the whole networks are same
Step time service module A2 and A phase bluetooth near radio networking module A3, A phase core processor A1 and A phase line current acquisition moulds
Block A4 is connected, and for controlling A phase line current measurement module gathered data information, and data message is analyzed, and draws event
Barrier location information；A phase core processor A1 are connected with A phase GPS the whole network sync identifications modules A 2, for controlling power distribution network electric current
The synchronous acquisition of data message, and the current data match time information gathered for these, to reach all line electricities of power distribution network
The purpose of the synchronous acquisition of streaming data information；A phase core processor A1 are connected with A phase bluetooth near radio networking modules A3,
For control A phase bluetooth near radio networking modules A3 send the current data information of measuring node A collection, temporal information and
Control receives the collection information of data basestation inquiry measuring node A；
Measuring node B includes B phase core processor B1, B phase line current acquisition module B4, B phase GPS the whole network sync identification modules
B2 and B phase bluetooth near radio networking module B3, B phase core processor B1 are connected with B phase line current acquisition modules B4, use
In control B phase line current measurement module gathered data information, and data message is analyzed, draws fault location information；B
Phase core processor B1 is connected with B phase GPS the whole network sync identification modules B2, the synchronization for controlling power distribution network current data information
Collection, and the current data match time information gathered for these, to reach the same of all line current data messages of power distribution network
Walk the purpose of collection；B phase core processor B1 are connected with B phase bluetooth near radio networking modules B3, for controlling B phase bluetooths
Current data information, temporal information and the control that near radio networking module B3 sends measuring node B collections receive data base
Stand and inquire about the collection information of measuring node B；
Measuring node C includes C phase core processor C1, C phase line current acquisition module C4, C phase GPS the whole network sync identification modules
C2 and C phase bluetooth near radio networking module C3, C phase core processor C1 are connected with C phase line current acquisition modules C4, use
In control C phase line current measurement module gathered data information, and data message is analyzed, draws fault location information；C
Phase core processor C1 is connected with C phase GPS the whole network sync identification modules C2, the synchronization for controlling power distribution network current data information
Collection, and the current data match time information gathered for these, to reach the same of all line current data messages of power distribution network
Walk the purpose of collection；C phase core processor C1 are connected with C phase bluetooth near radio networking modules C3, for controlling C phase bluetooths
Current data information, temporal information and the control that near radio networking module C3 sends measuring node C collections receive data base
Stand and inquire about the collection information of measuring node C.
The standard pulse per second (PPS) that route survey unit is received using GPS the whole network sync identification modules is used as power distribution network synchronized sampling
Trigger signal, starts the synchronized sampling to current signal, and electric current and temporal information are uploaded into distribution network monitoring main website.Due to not
With the time error that receives of GPS the whole network sync identification modules in area less than 1us, so with the rising of GPS standard pulse per second (PPS)
Along as trigger signal, it is ensured that the synchronized sampling of current signal；
As shown in figure 5, data basestation includes data basestation core processor S1, the first bluetooth near radio networking module S3-
1st, the second bluetooth near radio networking module S3-2, the 3rd bluetooth near radio networking module remote nothing of S3-3, GPRS
Line communication module S2, the data basestation core processor S1 respectively with the first bluetooth near radio networking module S3-1,
Two bluetooth near radio networking module S3-2, the 3rd bluetooth near radio networking module S3-3, GPRS remote-wireless lead to
The S2 connections of news module, the direction of arrow represents gathered data flow direction in figure；
A phase bluetooth near radio networking module A3 and the first bluetooth near radio networking module S3-1 is by bluetooth ground
Uniquely wireless networking connection, the B phases bluetooth near radio networking module B3 and the second bluetooth low coverage are realized in pairing for location
From wireless networking module S3-2, by Bluetooth address, uniquely pairing realizes that wireless networking is connected, the C phases bluetooth near radio
By Bluetooth address, uniquely wireless group is realized in pairing to networking module C3 and the 3rd bluetooth near radio networking module S3-3
Net connection；
Data basestation passes through GPRS remote-wireless communication module and distribution network monitoring main website wireless connection.
As shown in figure 3, measuring node A is also deposited including A phase data memory module A5, A phase core processor A1 and A phase datas
Storage modules A 5 is connected, line current data message and A phase GPS the whole network clocked flips for controlling the A collections of storage measuring node
The temporal information that module is obtained, so that distribution network monitoring main website is called to these current data information and temporal information；
Measuring node B is also connected including B phase data memory module B5, B phase core processor B1 with B phase data memory modules B5,
For the time that the line current data message and B phase GPS the whole network clocked flip modules that control the B collections of storage measuring node are obtained
Information, so that distribution network monitoring main website is called to these current data information and temporal information；
Measuring node C is also connected including C phase data memory module C5, C phase core processor C1 with C phase data memory modules C5,
For the time that the line current data message and C phase GPS the whole network clocked flip modules that control the C collections of storage measuring node are obtained
Information, so that distribution network monitoring main website is called to these current data information and temporal information.
As shown in figure 5, data basestation also includes data basestation data memory module S4, for storing the route survey list
Current data and temporal information that unit sends, data basestation data memory module S4 and data basestation core processor S1 connect
Connect, the direction of arrow represents gathered data flow direction in figure；
First bluetooth near radio networking module S3-1, the second bluetooth near radio networking module S3-2, the 3rd bluetooth are near
Apart from wireless networking module S3-3 and A phases bluetooth near radio networking module A3, B phase bluetooth near radio networking mould
Block B3, C phase bluetooth near radio networking module C3 hardware configurations are completely the same, only difference is that the data basestation is blue
Tooth near radio networking module is host mode, A phase bluetooth near radio networking module A3, B phase bluetooth near radios
Networking module B3, C phase bluetooth near radio networking module C3 is slave mode.
The operation principle of the present embodiment is described below：
Three GPS the whole network sync identification modules of route survey unit are when GPS standard pps pulse per second signal is received by respective
The core processor of place measuring node starts corresponding line current acquisition module carries out the sampling of current signal, these electricity
The bluetooth near radio networking module that stream information and corresponding markers first pass through each place measuring node uploads to data
Base station, data basestation core processor is calculated circuit zero sequence current amplitude and phase by Fourier, then by data base
The GPRS remote-wireless communication module stood sends distribution network monitoring main website to every n minutes interval, while data basestation handle
These information are stored in data basestation data memory module and give over to backup, facilitate the inquiry of distribution network monitoring main website.In power distribution network prison
Compare the phase difference of transformer neutral point voltage and circuit zero-sequence current in the same time in control main website, and then judge short trouble at which
On individual section, while the data of reception are carried out classified finishing by distribution network monitoring main website, and shown in the form of picture, side
Just administrative staff are operated.
Once current measurement module detects the threshold value that current signal instantaneous value exceedes setting, just immediately by the width of the electric current
The bluetooth near radio networking module that value and corresponding time first pass through measuring node where it uploads to data basestation, then
Distribution network monitoring main website is sent to by GPRS long-distance radio communication modules to select faulty line, position fault section.
Distribution network monitoring main website can also inquire about the current information of any time circuit, when master station handle will be inquired about the moment
Order data basestation is sent to by GPRS remote-wireless communication modules, data basestation passes through bluetooth near radio networking
Module and route survey unit communication, read the current information at corresponding moment from the data memory module of child node device,
And the current information at correspondence moment is first passed through bluetooth near radio networking module and is sent to data basestation, then data basestation
These data are uploaded to distribution network monitoring main website by GPRS remote-wireless communication modules again, to realize two-way communication, is increased
The strong scalability of device.
The present embodiment can be in failure into fault section is determined after stable state, and speed is more satisfactory, however it is necessary that matching somebody with somebody
A number of route survey unit and data basestation, precision and route survey unit, the number of failure " determining section " are installed in power network
It is relevant according to base station installation number, if wishing fault section to determine in a less scope, the installation number ratio for needing
It is more, if only needing to determine the important branch of faulty line, need to only be installed at certain several crucial measuring point, determining
After large range of fault section, it is possible to use traveling wave method, the supplementary means such as impedance method further reduces the scope of fault section,
Form is more flexible, and the specific of host node measurement apparatus and child node measurement apparatus can be determined according to the actual demand of user
Number is installed.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in power of the present invention
Within the scope of profit is claimed.
Claims (5)
1. a kind of one-phase earthing failure in electric distribution network is monitored on-line and alignment system, and it includes route survey unit and distribution network monitoring
Main website, it is characterised in that：
It also includes data basestation；
The route survey unit includes measuring node A, measuring node B and measuring node C totally three cover node measurement device, it
Be respectively installed in the A phase, B phase, C phase of three-phase alternating current；
The measuring node A includes A phase core processors（A1）, A phase line current acquisition modules（A4）, A phase GPS the whole network synchronizations
Time service module（A2）With A phase bluetooth near radio networking modules（A3）, A phase core processors（A1）Respectively with A phase lines electricity
Stream acquisition module（A4）, A phase GPS the whole network sync identification modules（A2）, A phase bluetooth near radio networking modules（A3）Connection；
The measuring node B includes B phase core processors（B1）, B phase line current acquisition modules（B4）, B phase GPS the whole network synchronizations
Time service module（B2）With B phase bluetooth near radio networking modules（B3）, B phase core processors（B1）Respectively with B phase lines electricity
Stream acquisition module（B4）, B phase GPS the whole network sync identification modules（B2）, B phase bluetooth near radio networking modules（B3）Connection；
The measuring node C includes C phase core processors（C1）, C phase line current acquisition modules（C4）, C phase GPS the whole network synchronizations
Time service module（C2）With C phase bluetooth near radio networking modules（C3）, C phase core processors（C1）Respectively with C phase lines electricity
Stream acquisition module（C4）, C phase GPS the whole network sync identification modules（C2）, C phase bluetooth near radio networking modules（C3）Connection；
The data basestation includes data basestation core processor（S1）, the first bluetooth near radio networking module（S3-1）、
Second bluetooth near radio networking module（S3-2）, the 3rd bluetooth near radio networking module（S3-3）, GPRS it is remote
Wireless communication module（S2）, the data basestation core processor（S1）Respectively with the first bluetooth near radio networking module
（S3-1）, the second bluetooth near radio networking module（S3-2）, the 3rd bluetooth near radio networking module（S3-3）、GPRS
Remote-wireless communication module（S2）Connection；
The A phases bluetooth near radio networking module（A3）With the first bluetooth near radio networking module（S3-1）It is logical
Uniquely pairing realizes that wireless networking is connected to cross Bluetooth address, the B phases bluetooth near radio networking module（B3）With described
Two bluetooth near radio networking modules（S3-2）Uniquely matched by Bluetooth address and realize that wireless networking is connected, the C phases are blue
Tooth near radio networking module（C3）With the 3rd bluetooth near radio networking module（S3-3）By Bluetooth address only
One pairing realizes that wireless networking is connected；
The data basestation passes through GPRS remote-wireless communication module and distribution network monitoring main website wireless connection.
2. one-phase earthing failure in electric distribution network according to claim 1 is monitored on-line and alignment system, it is characterised in that：
The measuring node A also includes A phase data memory modules（A5）, A phase data memory modules（A5）With A phase core processors
（A1）Connection；
The measuring node B also includes B phase data memory modules（B5）, B phase data memory modules（B5）With B phase core processors
（B1）Connection；
The measuring node C also includes C phase data memory modules（C5）, C phase data memory modules（C5）With C phase core processors
（C1）Connection；
The data basestation also includes data basestation data memory module（S4）, data basestation data memory module（S4）With data
Base station core processor（S1）Connection.
3. one-phase earthing failure in electric distribution network according to claim 1 and 2 is monitored on-line and alignment system, it is characterised in that：
The hardware configuration of the measuring node A, measuring node B and measuring node C is completely the same.
4. one-phase earthing failure in electric distribution network according to claim 1 and 2 is monitored on-line and alignment system, it is characterised in that：
The first bluetooth near radio networking module（S3-1）, the second bluetooth near radio networking module（S3-2）, it is the 3rd blue
Tooth near radio networking module（S3-3）With the A phases bluetooth near radio networking module（A3）, B phases bluetooth closely without
Line networking module（B3）, C phase bluetooth near radio networking modules（C3）Hardware configuration is completely the same.
5. one-phase earthing failure in electric distribution network according to claim 3 is monitored on-line and alignment system, it is characterised in that：It is described
First bluetooth near radio networking module（S3-1）, the second bluetooth near radio networking module（S3-2）, the 3rd bluetooth it is near
Apart from wireless networking module（S3-3）With the A phases bluetooth near radio networking module（A3）, B phase bluetooth near radio groups
Net module（B3）, C phase bluetooth near radio networking modules（C3）Hardware configuration is completely the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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