CN110401566A - A kind of power distribution network node state real-time delivery method - Google Patents
A kind of power distribution network node state real-time delivery method Download PDFInfo
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- CN110401566A CN110401566A CN201910670911.8A CN201910670911A CN110401566A CN 110401566 A CN110401566 A CN 110401566A CN 201910670911 A CN201910670911 A CN 201910670911A CN 110401566 A CN110401566 A CN 110401566A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a kind of power distribution network node state real-time delivery methods, belong to Distribution Automation Technology field, comprising the following steps: for needing to carry out the interconnection switch node of status information transmitting, configure GOOSE messaging parameter；Status information is divided into unconditional transmitting information and condition transmitting information；Distribution power automation terminal carries out distributed transmitting to the status information distinguished.The present invention be to provide a kind of power distribution network node state real-time delivery method, it can be achieved that node state quickly and reliably transmitting.
Description
Technical field
The present invention relates to a kind of power distribution network node state real-time delivery methods, belong to Distribution Automation Technology field.
Background technique
In order to improve the power supply capacity and reliability of power distribution network, the network topology structure of power distribution network is from the radial net of single supply
Network is to more power supply ring-type network Developments.In addition, as distribution network automated rapid development and DC distribution net, alternating current-direct current mix
The construction of power distribution network, network running mode is more flexible, and power distribution network is to realize quick load transfer, such as connection power supply
The node states such as situation, upstream and downstream Fault Isolation signal need to be identified quickly.The node state identification of Current Distribution Automation is basic
It is completed by main website, however main website is poor for the transmitting real-time of status information, generally second grade or minute grade, is unable to satisfy reality
When load transfer demand.
Summary of the invention
The present invention be to provide a kind of power distribution network node state real-time delivery method, it can be achieved that node state it is quick, reliable
Ground transmitting.
In order to achieve the above objectives, the technical scheme adopted by the invention is that: a kind of power distribution network node state real-time delivery side
Method, comprising the following steps: for needing to carry out the interconnection switch node of status information transmitting, configure GOOSE messaging parameter；By shape
State information is divided into unconditional transmitting information and condition transmitting information；Distribution power automation terminal divides the status information distinguished
Cloth transmitting.
Further, the distributed transmitting the following steps are included:
If a) status information is unconditional transmitting information, enter step b)；If status information is that condition transmits information, judge
Whether the condition transmitting information meets condition of transmitting, if meeting condition of transmitting, enters step b), if being unsatisfactory for transmitting item
Part then enters step c)；
B) status information is sent to downstream node by upstream node, and status information is sent to upstream node to downstream node and T is saved,
Until end of transmission, the transmitting of this status information terminate, enter step c) all nodes step by step；
C) distribution power automation terminal inquires whether the status information changes in the circulating cycle, sentences again if status information changes
Disconnected status information is unconditional transmitting information or condition transmits information, is entered step a) after apposition information transmitting mark；If
Status information has not been changed, then enters step d)；
D) whether the condition of transmitting that distribution power automation terminal inquires status information in the circulating cycle changes, if condition of transmitting changes
Then rejudging status information is that unconditional transmitting information or condition transmit information, enters step after apposition information transmitting mark
It is rapid b)；If condition of transmitting has not been changed, enter step c).
Further, the condition of transmitting are as follows: whether Node Switch position is coincidence, if Node Switch position is coincidence,
Then condition transmitting information meets condition of transmitting；If Node Switch position is unsatisfactory for coincidence, condition transmitting information is unsatisfactory for transmitting
Condition.
Further, configuration GOOSE messaging parameter includes MAC Address, the application identifier in GOOSE message frame, GOOSE
The path that message sends data set is associated with status information.
Further, the unconditional transmitting information includes node upstream information and downstream information；The condition transmitting letter
Breath includes the power supply number and operating status of node connection.
Further, the method also includes following steps: customized system positive direction, confirms each interconnection switch upstream section
Point, downstream node and T node；Upstream node and downstream node are determined from top to bottom along system positive direction, when multiple contacts are opened
Upstream node having the same is closed, then T node each other.
Further, further comprising the steps of after distinguishing status information: downloading associated profile to power distribution automation end
End；After distribution power automation terminal powers on, status information transmitting mark is set, the distribution power automation terminal is only recognizing state
Status information transmitting is just carried out behind the position of information transmitting mark.
Compared with prior art, the device have the advantages that are as follows: due to the customized positive direction of the present invention, because without
It is influenced by system load flow direction, meets the construction demand containing distributed power distribution network, more power supply AC and DC power distribution networks.
The present invention is due to distributed transmission method, when power distribution network network topology structure changes, it is only necessary to change
The terminal of position is reconfigured the change for being suitable for grid structure, is solved power distribution network and is often extended, bring is transformed
The problem of O&M hardly possible.
GOOSE communication protocol of the transmitting of status information of the present invention based on IEC61850 standard, real-time, reliability pole
By force, status information transmission delay is less than 1ms, and improves the interoperability and standardization of distribution terminal, is that failure is quick
Positioning is isolated and is turned for providing good basic condition.
Detailed description of the invention
Fig. 1 is distribution power automation terminal configuration flow figure provided in an embodiment of the present invention
Fig. 2 is node status information real-time delivery flow chart provided in an embodiment of the present invention；
Fig. 3 is tap switch node relationships schematic diagram in the embodiment of the present invention.
Specific embodiment
Essence in order to better understand the present invention is combined with specific embodiments below made the present invention with attached drawing further
It illustrates.
The present invention provides a kind of power distribution network node state real-time delivery methods, by taking DC distribution net as an example, such as Fig. 1 and figure
Shown in 2, comprising the following steps:
Step 1: defining the positive direction of each interconnection switch of system, confirm each interconnection switch upstream node, downstream node and T section
Point.
As unit of interconnection switch, upstream node and downstream node are determined from top to bottom along system positive direction, when multiple
Interconnection switch upstream node having the same, then T node each other.As shown in figure 3, S1 is S2 upstream node, S2 in region one
For S1 downstream node；In region two, S3 is the upstream node of S4 and S5, so S4 and S5 T node each other；S6 is S4's and S5
Downstream node, the upstream node of S7；S7 is the downstream node of S6, the upstream node of S8；S8 is the downstream node of S7, the upstream of S9
Node, S9 are the downstream node of S8.
Step 2: configuring GOOSE messaging parameter and incidence relation that each interconnection switch corresponds to distribution power automation terminal, mainly
It include MAC Address, configuration GOOSE messaging parameter including configuration GOOSE messaging parameter include MAC Address, in GOOSE message frame
The path that application identifier, GOOSE message send data set is associated with status information.
Step 3: distinguishing unconditional transmitting status information and condition transmits status information.Unconditional transmitting information includes node
Upstream information and downstream information, condition transmitting information include the power supply number and operating status of node connection.With distribution network failure
For positioning, isolation, node upstream, downstream information should be unconditional transmitting, i.e. upstream-downstream relationship is determined by system architecture, be not required to
Meet other conditions.By taking Fault Isolation Success Flag as an example, when node is in fault zone, then Fault Isolation Success Flag is nothing
Condition transmits information, and when node is in non-faulting region, then Fault Isolation Success Flag belongs to condition transmitting information.
Step 4: step 1 to the configuration file that 3 configurations are completed is downloaded to distribution power automation terminal.
Step 5: after distribution power automation terminal powers on, setting status information transmitting mark.Distribution power automation terminal is only being known
Status information transmitting is just carried out after being clipped to the position of status information transmitting mark.
Step 6: carrying out information transmitting, if transmitting letter is unconditional transmitting information, be directly entered step 8；If passed
Passing status information is that condition transmits information, then enters step 7.
Step 7: whether the transmitted condition transmitting information of judgement meets condition of transmitting: whether this node position of the switch is conjunction
Position, if Node Switch position is coincidence, condition transmitting information meets condition of transmitting, then enters step 8；If Node Switch position
It is unsatisfactory for coincidence, condition transmitting information is unsatisfactory for condition of transmitting, then is directly entered step 9.
Step 8: status information is sent to downstream node by upstream node；Status information is sent to upstream section by downstream node
Point and T section enter step 9 until end of transmission, the transmitting of this status information terminate all nodes step by step.
Step 9: distribution power automation terminal inquires whether status information changes in the circulating cycle, if status information changes
6 are entered step after setting status information transmitting mark；If status information has not been changed, then 10 are entered step.
Step 10: distribution power automation terminal inquires whether condition of transmitting changes in the circulating cycle, if condition of transmitting changes
6 are entered step after then setting status information transmitting mark；If condition of transmitting has not been changed, 9 are entered step.
Although should be pointed out that invention has been described by above embodiment, the present invention can also have other
Numerous embodiments.Without departing from the spirit and scope of the present invention, those skilled in the art obviously can be right
The present invention makes various corresponding changes and modifications, but these change and modification all should belong to appended claims of the present invention and
In the range of its equivalent is protected.
Claims (7)
1. a kind of power distribution network node state real-time delivery method, it is characterised in that: the following steps are included:
For needing to carry out the interconnection switch node of status information transmitting, GOOSE messaging parameter is configured；
Status information is divided into unconditional transmitting information and condition transmitting information；
Distribution power automation terminal carries out distributed transmitting to the status information distinguished.
2. power distribution network node state real-time delivery method according to claim 1, it is characterised in that: the distributed transmitting packet
Include following steps:
If status information is unconditional transmitting information, enter step b)；If status information is that condition transmits information, institute is judged
It states whether condition transmitting information meets condition of transmitting, if meeting condition of transmitting, enters step b), if being unsatisfactory for condition of transmitting,
It then enters step c)；
Status information is sent to downstream node by upstream node, and status information is sent to upstream node to downstream node and T is saved, directly
To all nodes, end of transmission, the transmitting of this status information terminate, enter step c) step by step；
Distribution power automation terminal inquires whether the status information changes in the circulating cycle, rejudges if status information changes
Status information is unconditional transmitting information or condition transmits information, is entered step a) after apposition information transmitting mark；If shape
State information has not been changed, then enters step d)；
Whether the condition of transmitting that distribution power automation terminal inquires status information in the circulating cycle changes, if condition of transmitting changes
Rejudging status information is that unconditional transmitting information or condition transmit information, is entered step after apposition information transmitting mark
b)；If condition of transmitting has not been changed, enter step c).
3. power distribution network node state real-time delivery method according to claim 2, it is characterised in that: the condition of transmitting are as follows:
Whether Node Switch position is coincidence, if Node Switch position is coincidence, condition transmitting information meets condition of transmitting；If node
The position of the switch is unsatisfactory for coincidence, then condition transmitting information is unsatisfactory for condition of transmitting.
4. power distribution network node state real-time delivery method according to claim 1, it is characterised in that: configuration GOOSE communication ginseng
Number includes MAC Address, the application identifier in GOOSE message frame, GOOSE message sends the path of data set and status information is closed
Connection.
5. power distribution network node state real-time delivery method according to claim 1, it is characterised in that: the unconditional transmitting letter
Breath includes node upstream information and downstream information；The condition transmitting information includes the power supply number and operation shape of node connection
State.
6. power distribution network node state real-time delivery method according to claim 1, it is characterised in that: the method also includes with
Lower step: customized system positive direction confirms each interconnection switch upstream node, downstream node and T node；Along system positive direction
Upstream node and downstream node are determined from top to bottom, when multiple interconnection switches upstream node having the same, then T node each other.
7. power distribution network node state real-time delivery method according to claim 1, it is characterised in that:
It is further comprising the steps of after distinguishing status information:
Associated profile is downloaded to distribution power automation terminal；After distribution power automation terminal powers on, status information transmitting mark is set,
The distribution power automation terminal only just carries out status information transmitting behind the position for recognizing status information transmitting mark.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910670911.8A CN110401566B (en) | 2019-07-24 | 2019-07-24 | Method for transmitting node state of power distribution network in real time |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910670911.8A CN110401566B (en) | 2019-07-24 | 2019-07-24 | Method for transmitting node state of power distribution network in real time |
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| CN110401566B CN110401566B (en) | 2022-03-29 |
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Cited By (1)
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| CN110994593A (en) * | 2019-11-19 | 2020-04-10 | 珠海许继电气有限公司 | DTU distribution method and system |
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