CN111327121A - Automatic and communication planning system - Google Patents
Automatic and communication planning system Download PDFInfo
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- CN111327121A CN111327121A CN202010289817.0A CN202010289817A CN111327121A CN 111327121 A CN111327121 A CN 111327121A CN 202010289817 A CN202010289817 A CN 202010289817A CN 111327121 A CN111327121 A CN 111327121A
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- 238000004891 communication Methods 0.000 title claims abstract description 84
- 238000009826 distribution Methods 0.000 claims abstract description 103
- 238000005516 engineering process Methods 0.000 claims abstract description 21
- 238000007726 management method Methods 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000009825 accumulation Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000013473 artificial intelligence Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
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- 230000004931 aggregating effect Effects 0.000 claims 1
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- 238000004458 analytical method Methods 0.000 abstract description 10
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- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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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
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an automatic and communication planning system, which comprises a SCADA (supervisory control and data acquisition) of a distribution network, a feeder automation FA (feeder automation) which is fault location, isolation, power restoration of a non-fault section, a load management/geographic information system AM/FM/GI (amplitude modulation/frequency modulation/geographic information system) and a distribution application analysis PAS (analysis of power supply), and is characterized in that: the information quantity is large; online analysis and offline management are tightly combined; the application analysis is tightly combined with the terminal equipment; the primary equipment and the secondary equipment are closely combined, the modern electronic technology, the communication technology, the computer and the network technology are utilized to integrate the online data and the offline data of the power distribution network, the user data, the power grid structure data and the geographic graph to form a complete automatic system, the modernization of monitoring, protection, control and power distribution management under the normal operation and accident conditions of the power distribution system is realized, and the automation of the power distribution system is an organic component part for the operation and management of the power distribution system.
Description
Technical Field
The invention relates to a power grid planning system, in particular to an automatic and communication planning system.
Background
Reliable power supply is a prerequisite for ensuring modern life style, and with the continuous healthy development of the economic society of China and the continuous improvement of the living standard of people, higher requirements are put forward on the construction of a strong power grid, the safe and stable operation of the power grid, the power quality and the high-quality service level. How to build a self-healing, optimization, interaction and compatible intelligent power distribution network further improves the automation of the power production process, improves the enterprise informatization management and service level, and realizes the lean management of the distribution network.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides an automatic and communication planning system, which effectively solves the problems of how to build a self-healing, optimized, interactive and compatible intelligent power distribution network, further improves the automation of the power production process and improves the enterprise information management and service level.
In order to achieve the purpose, the invention provides the following technical scheme: the invention includes 1) power distribution network planning: the trunk line adopts ring network connection and open operation, and the wires and equipment meet the requirement of load transfer; the main line is segmented, and a segmented switch is arranged, wherein the segmentation mainly considers the load density, the load property and the line length;
2) feeder automation of the power distribution network: the main task of feeder automation is to adopt a computer technology, a communication technology, an electronic technology and an artificial intelligence technology to cooperate with a system main station or independently complete fault detection, fault positioning, fault isolation and network reconstruction of a power distribution network; data acquisition and control are carried out on a power distribution network switch, a recloser and a looped network cabinet primary device by adopting a feeder line measurement and control terminal;
3) equipment selection of the distribution automation system: the power distribution equipment comprises primary equipment such as a power distribution switch, secondary equipment such as a feeder line remote terminal, a distribution transformer terminal unit and power supply equipment for providing an operating power supply and a working power supply for the primary equipment and the secondary equipment, wherein the feeder line remote terminal is used for acquiring operation data of the switch and controlling the switching on and off of the switch, and the distribution transformer terminal unit is used for acquiring operation data of the low-voltage side of a distribution transformer and controlling the switching of a low-voltage capacitor for reactive compensation;
4) distribution automation communication system: the communication system is a link for connecting the master station system with the distribution network terminal equipment, and information interaction between the master station and the terminal equipment is completed through the communication system, so that the stable and reliable communication system is required to realize the distribution automation function;
5) master station system of distribution automation system: the main station is a monitoring management center of the whole power distribution automation system.
According to the technical scheme: the distribution network feeder automation main functions comprise: monitoring the operation state of a distribution network feeder; detecting a feeder line fault; fault location; fault isolation; the load of the feeder line is re-optimized and configured; the power supply is recovered, and the system is switched to operate when the feeder line is overloaded; normal planning and scheduling operation; remote control operation of a feeder switch; and (4) counting and recording, including accumulation of switching action times, accumulation of power supply reliability, accident record report and load record.
According to the technical scheme: the distribution network feeder line automatic system is closely related to other automatic systems, such as a transformer substation integrated automatic system, a centralized control central station, a dispatching automatic System (SCADA), an electricity utilization management system, an AM/FM/GIS geographic information system and an MIS system, high sharing of information among the systems is achieved, and repeated investment and data inconsistency among the systems are avoided.
According to the technical scheme: the communication mode of the distribution automation system is preferably as follows: optical fiber communication, power line carrier, wired cable, wireless spread spectrum, and communication via public communication network.
According to the technical scheme: the power distribution network frame is divided into three types of communication nodes including a communication master station, communication convergence equipment and a communication terminal.
According to the technical scheme: the a) communication master station: the system is responsible for transmitting information transmitted by the communication convergence equipment to a distribution network automation master station system and is generally arranged in local or regional dispatching substations;
b) the communication convergence device: typically at a 110kV or 220kV substation. The functions of the communication convergence device are as follows: the data information frames of all communication terminals of the access layer are gathered and recombined as a communication relay to be converted into data transmitted by the backbone layer, and the control function, error detection and synchronization, routing selection and transmission safety function necessary for transmitting the data are completed. The communication convergence device needs to have the capability of supporting multimedia and multiprotocol.
c) Communication terminal station: the communication terminal station is arranged together with the power distribution terminal, directly receives data of the power distribution terminal, and is responsible for transmitting each 10kV power distribution information, and the communication terminal station comprises each indoor switch station, a power distribution room, an outdoor switch box with a switch and a ring main unit.
Has the advantages that: the distribution automation comprises data acquisition and control SCADA of a distribution network, feeder automation FA, namely fault positioning, isolation, recovery power supply of a non-fault section, load management/geographic information system AM/FM/GI and distribution application analysis PAS, and is characterized in that: the information quantity is large; online analysis and offline management are tightly combined; the application analysis is tightly combined with the terminal equipment; the primary equipment and the secondary equipment are closely combined, the modern electronic technology, the communication technology, the computer and the network technology are utilized to integrate the online data and the offline data of the power distribution network, the user data, the power grid structure data and the geographic graph to form a complete automatic system, the modernization of monitoring, protection, control and power distribution management under the normal operation and accident conditions of the power distribution system is realized, and the automation of the power distribution system is an organic component part for the operation and management of the power distribution system.
Detailed Description
The following provides a more detailed description of the embodiments of the present invention.
The embodiment of the invention provides an automatic and communication planning system, which comprises 1) a power distribution network frame planning: the trunk line adopts ring network connection and open operation, and the wires and equipment meet the requirement of load transfer; the main line is segmented, and a segmented switch is arranged, wherein the segmentation mainly considers the load density, the load property and the line length;
2) feeder automation of the power distribution network: the main task of feeder automation is to adopt a computer technology, a communication technology, an electronic technology and an artificial intelligence technology to cooperate with a system main station or independently complete fault detection, fault positioning, fault isolation and network reconstruction of a power distribution network; data acquisition and control are carried out on a power distribution network switch, a recloser and a looped network cabinet primary device by adopting a feeder line measurement and control terminal;
3) equipment selection of the distribution automation system: the distribution equipment comprises primary equipment such as a distribution switch, secondary equipment such as a feeder remote terminal (FTU), a distribution Transformer Terminal Unit (TTU) and power supply equipment for providing an operating power supply and a working power supply for the primary equipment and the secondary equipment, the distribution automation is implemented, the automatic distribution switch equipment which has the electromechanical integration characteristic of a recloser, a sectionalizer and a load switch is used as a switch for sectioning and isolating faults on an overhead line, the switch has the characteristics of no maintenance, reliable operation, small volume and convenient installation and can adapt to the severe outdoor environmental conditions, the feeder remote terminal (FTU) is used for collecting the operation data of the switch and controlling the on-off of the switch, and the distribution Transformer Terminal Unit (TTU) is used for collecting the operation data of the low-voltage side of a distribution transformer and controlling the switching of a low-voltage capacitor for reactive compensation, the real-time requirement of communication is low;
4) distribution automation communication system: the communication system is a link for connecting the master station system with the distribution network terminal equipment, and information interaction between the master station and the terminal equipment is completed through the communication system, so that the stable and reliable communication system is required to realize the distribution automation function;
5) master station system of distribution automation system: the main station is a monitoring management center of the whole power distribution automation system.
According to the technical scheme: the distribution network feeder automation main functions comprise: monitoring the operation state of a distribution network feeder; detecting a feeder line fault; fault location; fault isolation; the load of the feeder line is re-optimized and configured; the power supply is recovered, and the system is switched to operate when the feeder line is overloaded; normal planning and scheduling operation; remote control operation of a feeder switch; and (4) counting and recording, including accumulation of switching action times, accumulation of power supply reliability, accident record report and load record.
According to the technical scheme: the distribution network feeder line automatic system is closely related to other automatic systems, such as a transformer substation integrated automatic system, a centralized control central station, a dispatching automatic System (SCADA), an electricity utilization management system, an AM/FM/GIS geographic information system and an MIS system, high sharing of information among the systems is achieved, and repeated investment and data inconsistency among the systems are avoided.
According to the technical scheme: the communication mode of the distribution automation system is preferably as follows: optical fiber communication, power line carrier, wired cable, wireless spread spectrum, and communication via public communication network.
According to the technical scheme: the power distribution network frame is divided into three types of communication nodes including a communication master station, communication convergence equipment and a communication terminal.
According to the technical scheme: the a) communication master station: the system is responsible for transmitting information transmitted by the communication convergence equipment to a distribution network automation master station system and is generally arranged in local or regional dispatching substations;
b) the communication convergence device: typically at a 110kV or 220kV substation. The functions of the communication convergence device are as follows: the data information frames of all communication terminals of the access layer are gathered and recombined as a communication relay to be converted into data transmitted by the backbone layer, and the control function, error detection and synchronization, routing selection and transmission safety function necessary for transmitting the data are completed. The communication convergence device needs to have the capability of supporting multimedia and multiprotocol.
c) Communication terminal station: the communication terminal station is arranged together with the power distribution terminal, directly receives data of the power distribution terminal, and is responsible for transmitting each 10kV power distribution information, and the communication terminal station comprises each indoor switch station, a power distribution room, an outdoor switch box with a switch and a ring main unit.
Has the advantages that: the distribution automation comprises data acquisition and control SCADA of a distribution network, feeder automation FA, namely fault positioning, isolation, recovery power supply of a non-fault section, load management/geographic information system AM/FM/GI and distribution application analysis PAS, and is characterized in that: the information quantity is large; online analysis and offline management are tightly combined; the application analysis is tightly combined with the terminal equipment; the primary equipment and the secondary equipment are closely combined, the modern electronic technology, the communication technology, the computer and the network technology are utilized to integrate the online data and the offline data of the power distribution network, the user data, the power grid structure data and the geographic graph to form a complete automatic system, the modernization of monitoring, protection, control and power distribution management under the normal operation and accident conditions of the power distribution system is realized, and the automation of the power distribution system is an organic component part for the operation and management of the power distribution system.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and substitutions can be made in the embodiments described in the foregoing embodiments, or some of the technical features of the embodiments may be replaced with other features. Any modification, substitution and improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. An automated, communication planning system, comprising:
1) planning a power distribution network frame: the trunk line adopts ring network connection and open operation, and the wires and equipment meet the requirement of load transfer; the main line is segmented, and a segmented switch is arranged, wherein the segmentation mainly considers the load density, the load property and the line length;
2) feeder automation of the power distribution network: the main task of feeder automation is to adopt a computer technology, a communication technology, an electronic technology and an artificial intelligence technology to cooperate with a system main station or independently complete fault detection, fault positioning, fault isolation and network reconstruction of a power distribution network; data acquisition and control are carried out on a power distribution network switch, a recloser and a looped network cabinet primary device by adopting a feeder line measurement and control terminal;
3) equipment selection of the distribution automation system: the power distribution equipment comprises primary equipment such as a power distribution switch, secondary equipment such as a feeder line remote terminal, a distribution transformer terminal unit and power supply equipment for providing an operating power supply and a working power supply for the primary equipment and the secondary equipment, wherein the feeder line remote terminal is used for acquiring operation data of the switch and controlling the switching on and off of the switch, and the distribution transformer terminal unit is used for acquiring operation data of the low-voltage side of a distribution transformer and controlling the switching of a low-voltage capacitor for reactive compensation;
4) distribution automation communication system: the communication system is a link for connecting the master station system with the distribution network terminal equipment, and information interaction between the master station and the terminal equipment is completed through the communication system, so that the stable and reliable communication system is required to realize the distribution automation function;
5) master station system of distribution automation system: the main station is a monitoring management center of the whole power distribution automation system.
2. The automated, communications planning system of claim 1, wherein said distribution network feeder automation primary functions comprise: monitoring the operation state of a distribution network feeder; detecting a feeder line fault; fault location; fault isolation; the load of the feeder line is re-optimized and configured; the power supply is recovered, and the system is switched to operate when the feeder line is overloaded; normal planning and scheduling operation; remote control operation of a feeder switch; and (4) counting and recording, including accumulation of switching action times, accumulation of power supply reliability, accident record report and load record.
3. The automation and communication planning system of claim 1 wherein the distribution network feeder automation system is closely related to other automation systems, such as a substation integrated automation system, a centralized control center station, a dispatching automation system, a power management system, an AM/FM/GIS geographic information system, and a MIS system, to achieve high sharing of information between systems and avoid overlapping investment and data inconsistency between systems.
4. An automation, communication planning system according to claim 1, characterized in that the distribution automation system preferably communicates by means of: optical fiber communication, power line carrier, wired cable, wireless spread spectrum, and communication via public communication network.
5. The automation and communication planning system of claim 1 wherein the power distribution network structure is divided into three types of communication nodes, namely a communication master station, a communication sink device and a communication terminal.
6. An automated, communication planning system according to claim 5, wherein said a) master communication station: the system is responsible for transmitting information transmitted by the communication convergence equipment to a distribution network automation master station system, and is generally arranged in a local dispatching or regional dispatching;
b) the communication convergence device: generally, the communication convergence device is arranged in a 110kV or 220kV transformer substation and has the following functions: as a communication relay, it is responsible for aggregating the data information frames of each communication terminal of the access layer, and recombining and converting them into data transmitted by the backbone layer, and completing the necessary control functions, error detection and synchronization, routing selection, and transmission security functions for transmitting data, so the communication aggregation device needs to have the capability of supporting multiple media and multiple protocols;
c) communication terminal station: the communication terminal station is arranged together with the power distribution terminal, directly receives data of the power distribution terminal, and is responsible for transmitting each 10kV power distribution information, and the communication terminal station comprises each indoor switch station, a power distribution room, an outdoor switch box with a switch and a ring main unit.
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| CN202010289817.0A CN111327121A (en) | 2020-04-14 | 2020-04-14 | Automatic and communication planning system |
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| CN202010289817.0A CN111327121A (en) | 2020-04-14 | 2020-04-14 | Automatic and communication planning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114549226A (en) * | 2020-11-11 | 2022-05-27 | 南京乐帆电气科技有限公司 | Power grid electric power reliability operation and maintenance algorithm based on digital twinning technology |
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