CN114069858A - Optimal scheduling method for power system - Google Patents
Optimal scheduling method for power system Download PDFInfo
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- CN114069858A CN114069858A CN202111348244.5A CN202111348244A CN114069858A CN 114069858 A CN114069858 A CN 114069858A CN 202111348244 A CN202111348244 A CN 202111348244A CN 114069858 A CN114069858 A CN 114069858A
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- 238000005259 measurement Methods 0.000 claims abstract description 23
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- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000004088 simulation Methods 0.000 claims description 31
- 238000010586 diagram Methods 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001131 transforming effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
- H02J13/00018—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus using phone lines
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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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
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an optimal scheduling method for an electric power system, and particularly relates to the technical field of unpacking control, which comprises the following steps: the system comprises a dispatching terminal, a transformer substation, a power distribution station, a transfer line, a central unit, an RTU (remote terminal Unit) remote measurement and control unit, a data exchange platform, a network data and telephone access end, a data exchange platform, a data rapid channel, a local power grid rescue team, a dispatching main end, a data exchange platform and an RTU remote measurement and control unit, wherein the dispatching main end is electrically connected with the data exchange platform through a lead, and the data exchange platform is in signal connection with the RTU remote measurement and control unit. The collected fault information of the power distribution station and the transformer substation is summed up through the RTU remote measurement and control unit, then the data quick channel is transmitted, the WEB server is directly connected with the data quick channel, then power dispatching is carried out through the dispatching desk, the engineering is guaranteed to be in the normal operation process, if the power failure condition occurs, the dispatching master can quickly react, and the engineering progress is guaranteed.
Description
Technical Field
The invention relates to the technical field of power dispatching, in particular to an optimal dispatching method for a power system.
Background
The power dispatching is an effective management means which is adopted for ensuring safe and stable operation of a power grid, reliable external power supply and orderly operation of various power production works. The specific work content of power dispatching is that according to data information fed back by various information acquisition devices or information provided by monitoring personnel, the actual operation parameters of the power grid, such as voltage, current, frequency, load and the like, are combined, the development conditions of various production works are comprehensively considered, the safe and economic operation states of the power grid are judged, operation instructions are issued through a telephone or an automatic system, and field operators or automatic control systems are instructed to adjust, such as adjusting the output of a generator, adjusting load distribution, switching capacitors, reactors and the like, so that the continuous safe and stable operation of the power grid is ensured. With the continuous development of science and technology in recent years, modern monitoring and control means are continuously perfected, and the technical support of power dispatching is increasingly strong.
In the prior art, in the process of scheduling, electric power needs to be transmitted to a distribution station through a transformer substation, and then an area in charge of the distribution station is supplied with power, but current transmission is performed between the transformer substation and the distribution station through cables, so if an accident situation occurs, such as a natural disaster, a man-made damage and the like, a power failure situation occurs in a place in charge of the distribution station under the situation, and in urban construction, electric power needs to be used for driving instruments to work, if the power failure situation occurs, and the situation cannot be processed in time, a construction period can be prolonged, and a large amount of financial resources are consumed.
Disclosure of Invention
The invention aims to solve the problems that the prior art has corresponding problems that a mechanical lock is inconvenient to operate, a fingerprint lock cannot transfer unlocking authority, and a user is greatly hindered in actual use.
In order to achieve the purpose, the invention adopts the following technical scheme:
an optimal scheduling method for a power system comprises the following steps: the dispatching system comprises a dispatching terminal, a transformer substation, a power distribution station, a transfer line, a central unit, an RTU (remote terminal unit) remote measurement and control unit, a data exchange platform, a network data and telephone access end, a data exchange platform, a data rapid channel and a local power grid rescue team, wherein the dispatching main end is electrically connected with the data exchange platform through a wire, the data exchange platform is in signal connection with the RTU remote measurement and control unit, the RTU remote measurement and control unit is in signal connection with the power distribution station and the transformer substation, the transformer substation is connected with the power distribution station through the transfer line, the transfer line is electrically connected with the central unit through a wire, the power distribution station is electrically connected with the local power grid rescue team, and the data exchange platform is in signal connection with the network data and telephone access end.
By adopting the technical scheme: under the condition that the transit line is unexpected, the fault can be detected through the central control unit, then information is respectively led into a power distribution station and a transformer substation, then the power distribution station contacts a local power grid rescue team to maintain the damaged transit line, data is transmitted to a dispatching main end through the RTU remote measurement and control unit and the data exchange platform, and electric power is dispatched from other places for emergency use.
Preferably, the scheduling head end includes: the system comprises a dispatching desk, a WEB server, a network firewall and a dispatching simulation screen.
By adopting the technical scheme: the invention can observe the faulted road section obviously to a certain extent, and is convenient for dispatching the main end to command maintenance personnel.
Preferably, a power line transmission simulation diagram and a power line transmission fault section simulation diagram are arranged in the scheduling simulation screen.
By adopting the technical scheme: through the power line transmission simulation diagram and the generated power line transmission fault section simulation diagram, the position of the damaged transit line can be visually seen and positioned.
Preferably, a fault detection stage and a fault information transmission stage are further included between the substation and the distribution substation,
the fault detection phase comprises:
s1, the transformer substation is used for transforming power, high voltage is transformed into low voltage, then a low voltage line is transmitted to a city area, and then the low voltage line is transmitted to a transformer of a transformer station to transform the high voltage into 380V three-phase voltage which is transmitted to a user;
s2, a power distribution station, which is a point on the radial network and is positioned at the tail end of the power grid, transmits power to the electric equipment or a user, is connected with a substation, is connected with each electric equipment, has smaller general capacity, has a voltage grade below 35 kilovolt, is mostly used for dispatching, dispatches each line and balances the load of each line; and some independent devices can change transmission modes.
S3, the transfer line is connected between the power distribution station and the transformer substation, and the current after voltage reduction in the transformer substation is transmitted to the power distribution station;
s4, the central unit detects the transit line, if the current breaks due to human factors, natural disasters or various accidents in the transportation process, the central unit detects the condition of current cutoff;
the fault information transmission phase comprises the following steps:
s5, when the pivot unit detects the accident, transmitting the fault information to the substation and the distribution substation respectively;
after the step S4 of completing the transmission of the fault information is completed:
s5.1, after receiving the information from the central control unit, the power distribution station directly contacts a local power grid rescue team by local personnel, and after receiving the fault information, the local power grid rescue team carries out fault maintenance on the central control line;
s5.2, the RTU remote measurement and control unit collects the information in the power distribution station and the transformer substation through the telemetering data of the transmission system and sends the information to the data exchange platform;
s5.3, after the data exchange platform receives the data, distinguishing the data, and if the RTU directly transmits the data, directly entering a WEB server through a data fast channel;
s5.4, directly transmitting the fault information to a dispatching desk after the WEB server receives the fault information, and then displaying the fault information on a dispatching simulation screen;
and S5.5, a power transmission simulation diagram is arranged on the scheduling simulation screen, then a power line transmission fault section simulation diagram is generated through transmitted data, power of other areas is temporarily scheduled to a piece area needing construction through a simulator, power is supplied to the piece area temporarily, and normal operation of the construction area is guaranteed.
By adopting the technical scheme: through fault detection, it is maintained in advance to can schedule the electric power in other places, schedule it in advance.
Preferably, the network firewall is in signal connection with a WEB server, the WEB server is electrically connected with the dispatching desk, and the dispatching desk is electrically connected with the dispatching simulation screen through a wire.
The scheduling terminal further includes receiving the extranet information,
receiving external network information;
s6, the network data and telephone access end receives the call information or network information from the external network, and then the information passes through the network firewall to judge the information security,
and S7, the network firewall guides the information into the dispatching desk after filtering the information, and then processes the information.
By adopting the technical scheme: the safety of receiving external information by the dispatching bus is improved.
The invention has the beneficial effects that:
when the system is used, firstly, after a transit line has a problem, the transit line is detected through the central control unit, then, information is sent to the distribution substation and the transformer substation, the distribution substation contacts a local power grid rescue team after receiving the information, the transit line is maintained through the local power grid rescue team, the RTU remote measurement and control unit transmits fault information collected in the distribution substation and the transformer substation to the dispatching head end, the RTU remote measurement and control unit sums the collected fault information of the distribution substation and the transformer substation, then, the fault information is transmitted to the data fast channel, the data fast channel is directly connected with the WEB server, then, power dispatching is carried out through the dispatching desk, and the dispatching head end can quickly respond to the situation of power failure if the situation of power failure occurs in the normal operation process of a project and the progress of the project is guaranteed.
Drawings
Fig. 1 is a schematic diagram of a system module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1, a power system optimal scheduling method includes: dispatch terminal, the transformer substation, the power distribution station, the transfer circuit, the maincenter unit, RTU remote measurement and control unit, the data exchange platform, network data and telephone access end, the data exchange platform, the data fast path, local electric wire netting rescue team, the dispatch is total to pass through wire and data exchange platform electric connection, data exchange platform and the long-range unit signal connection that observes and controls of RTU, the long-range unit that observes and controls of RTU and power distribution station and transformer substation signal connection, connect through the transfer circuit between transformer substation and the power distribution station, the transfer circuit passes through wire and maincenter unit electric connection, power distribution station and local electric wire netting rescue team electric connection, data exchange platform and network data and telephone access end signal connection, the dispatch is total to be included: the system comprises a dispatching desk, a WEB server, a network firewall and a dispatching simulation screen.
In this embodiment, first when the transit line goes wrong, detect it out through the maincenter unit, then send information to in the middle of distribution substation and the transformer substation, the distribution substation contacts local electric wire netting rescue team after receiving information, maintains the transit line through local electric wire netting rescue team to RTU remote measurement and control unit can transmit the fault information that collects in distribution substation and the transformer substation to the dispatch main department.
Example 2
Referring to fig. 1, a fault detection stage and a fault information transmission stage are further included between the substation and the distribution substation,
the fault detection phase comprises:
s1, the transformer substation is used for transforming power, high voltage is transformed into low voltage, then a low voltage line is transmitted to a city area, and then the low voltage line is transmitted to a transformer of a transformer station to transform the high voltage into 380V three-phase voltage which is transmitted to a user;
s2, a power distribution station, which is a point on the radial network and is positioned at the tail end of the power grid, transmits power to the electric equipment or a user, is connected with a substation, is connected with each electric equipment, has smaller general capacity, has a voltage grade below 35 kilovolt, is mostly used for dispatching, dispatches each line and balances the load of each line; and some independent devices can change transmission modes.
S3, the transfer line is connected between the power distribution station and the transformer substation, and the current after voltage reduction in the transformer substation is transmitted to the power distribution station;
and S4, the central unit detects the transit line, and if the current breaks due to human factors, natural disasters or various accidents in the transportation process, the central unit detects the condition of the current break.
In this embodiment, can monitor it through the central unit in the middle of distribution substation and the transformer substation, if the unexpected condition has appeared, through the central unit directly with information transmission to distribution substation department, through distribution substation with information transmission to distribution substation department, the distribution substation can react fast after knowing the condition, prevents extravagant rescue time.
Example 3
Referring to fig. 1, the fault information transmission phase includes:
s5, transmitting the fault information to the substation and the distribution substation respectively when the hub unit detects the accident.
After the failure information transmission completion step S4 is completed:
s5.1, after the distribution station receives the information from the central unit, local personnel directly contact a local power grid rescue team, and the local power grid rescue team carries out fault maintenance on the central line after receiving fault information;
s5.2, the RTU remote measurement and control unit collects the information in the power distribution station and the transformer substation through the telemetering data of the transmission system and sends the information to the data exchange platform;
s5.3, after the data exchange platform receives the data, distinguishing the data, and if the RTU directly transmits the data, directly entering a WEB server through a data fast channel;
s5.4, directly transmitting the fault information to a dispatching desk after the WEB server receives the fault information, and then displaying the fault information on a dispatching simulation screen;
and S5.5, a power transmission simulation diagram is arranged on the scheduling simulation screen, then a power line transmission fault section simulation diagram is generated through transmitted data, power of other areas is temporarily scheduled to a piece area needing construction through a simulator, power is supplied to the piece area temporarily, and normal operation of the construction area is guaranteed.
In this embodiment, carry out the sum through the trouble information of RTU remote measurement and control unit with the collection of distribution substation and transformer substation, then transmit the data fast path, through data fast path lug connection's WEB server department, then carry out power scheduling through the dispatch desk, guarantee the engineering at the in-process of normal operating, if the outage condition has appeared, the dispatch total can the quick response, guarantee the engineering progress.
Example 4
Referring to fig. 1, the network firewall is in signal connection with the WEB server, the WEB server is electrically connected with the dispatching desk, and the dispatching desk is electrically connected with the dispatching simulation screen through a wire.
The scheduling terminal further includes receiving the extranet information,
receiving external network information;
s6, the network data and telephone access end receives the call information or network information from the external network, and then the information passes through the network firewall to determine the information security.
And S7, after filtering the information, the network firewall guides the information into the dispatching desk, and then processes the information.
In this embodiment, the scheduling master can distinguish information from the RTU remote measurement and control unit or the network data and the telephone access terminal through the data exchange platform under the condition of receiving external information, if the information of the RTU remote measurement and control unit is transmitted to the WEB server directly through the data fast channel, if the information of the network data and the telephone access terminal is filtered through the network firewall, the information can enter the WEB server, and the network security of the scheduling master is ensured.
The working principle is as follows:
firstly, the central unit can detect the transit line, if the current breaks due to human reasons, natural disasters or various accidents in the transportation process, the central unit can detect the condition of flow break, if the central unit detects the accident condition, the fault information is respectively transmitted to a transformer substation and a power distribution station, the power distribution station receives the information from the central unit, local personnel directly contact a local power grid rescue team, the local power grid rescue team carries out fault maintenance on the transit line after receiving the fault information, the RTU remote measurement and control unit simultaneously collects the information in the power distribution station and the transformer substation through the remote measurement data of the transmission system and transmits the data to the data exchange platform, the data exchange platform starts to distinguish the data after receiving the data, if the RTU directly transmits the data, the RTU directly enters the WEB server through a data fast channel, the WEB server receives fault information and then directly transmits the fault information to the dispatching desk, the fault information is displayed on the dispatching simulation screen, a power transmission simulation diagram is arranged on the dispatching simulation screen, a power line transmission fault road section simulation diagram is generated through transmitted data, power of other areas is temporarily dispatched to a parcel needing to be constructed through a simulator, power supply to the dispatching simulation screen is temporarily carried out, normal operation of a construction area is guaranteed, signals sent to a power distribution station through a central unit, the power distribution station can quickly react, and rescue time is prevented from being wasted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. An optimal scheduling method for an electric power system is characterized by comprising the following steps: the dispatching system comprises a dispatching terminal, a transformer substation, a power distribution station, a transfer line, a central unit, an RTU (remote terminal unit) remote measurement and control unit, a data exchange platform, a network data and telephone access end, a data exchange platform, a data rapid channel and a local power grid rescue team, wherein the dispatching main end is electrically connected with the data exchange platform through a wire, the data exchange platform is in signal connection with the RTU remote measurement and control unit, the RTU remote measurement and control unit is in signal connection with the power distribution station and the transformer substation, the transformer substation is connected with the power distribution station through the transfer line, the transfer line is electrically connected with the central unit through a wire, the power distribution station is electrically connected with the local power grid rescue team, and the data exchange platform is in signal connection with the network data and telephone access end.
2. The optimal scheduling method of the power system according to claim 1, wherein the scheduling head end comprises: the system comprises a dispatching desk, a WEB server, a network firewall and a dispatching simulation screen.
3. The optimal scheduling method of the power system according to claim 1, wherein a power line transmission simulation graph and a power line transmission fault section simulation graph are arranged in the scheduling simulation screen.
4. The optimal scheduling method of the power system according to claim 1, wherein a fault detection stage and a fault information transmission stage are further included between the substation and the distribution substation;
the fault detection phase comprises:
s1, the transformer substation is used for transforming power, high voltage is transformed into low voltage, then a low voltage line is transmitted to a city area, and then the low voltage line is transmitted to a transformer of a transformer station to transform the high voltage into 380V three-phase voltage which is transmitted to a user;
s2, a power distribution station, which is a point on the radial network and is positioned at the tail end of the power grid, transmits power to the electric equipment or a user, is connected with a substation, is connected with each electric equipment, has smaller general capacity, has a voltage grade below 35 kilovolt, is mostly used for dispatching, dispatches each line and balances the load of each line; the transmission mode can be changed independently;
s3, the transfer line is connected between the power distribution station and the transformer substation, and the current after voltage reduction in the transformer substation is transmitted to the power distribution station;
s4, the central unit detects the transit line, if the current breaks due to human factors, natural disasters or various accidents in the transportation process, the central unit detects the condition of current cutoff;
the fault information transmission phase comprises the following steps:
s5, transmitting the fault information to the substation and the distribution substation respectively when the hub unit detects the accident.
5. The optimal scheduling method for the power system as claimed in claim 4, wherein after the step S4 of completing the transmission of the fault information is completed:
s5.1, after receiving the information from the central control unit, the power distribution station directly contacts a local power grid rescue team by local personnel, and after receiving the fault information, the local power grid rescue team carries out fault maintenance on the central control line;
s5.2, the RTU remote measurement and control unit collects the information in the power distribution station and the transformer substation through the telemetering data of the transmission system and sends the information to the data exchange platform;
s5.3, after the data exchange platform receives the data, distinguishing the data, and if the RTU directly transmits the data, directly entering a WEB server through a data fast channel;
s5.4, directly transmitting the fault information to a dispatching desk after the WEB server receives the fault information, and then displaying the fault information on a dispatching simulation screen;
and S5.5, a power transmission simulation diagram is arranged on the scheduling simulation screen, then a power line transmission fault section simulation diagram is generated through transmitted data, power of other areas is temporarily scheduled to a piece area needing construction through a simulator, power is supplied to the piece area temporarily, and normal operation of the construction area is guaranteed.
6. The optimal scheduling method of the power system as claimed in claim 2, wherein the network firewall is in signal connection with a WEB server, the WEB server is electrically connected with the scheduling console, and the scheduling console is electrically connected with the scheduling simulation screen through a wire.
7. The optimal scheduling method of the power system according to claim 2, wherein the scheduling terminal further comprises receiving external network information;
receiving external network information;
s6, the network data and telephone access end receives the communication information or network information from the external network, and then the information judges the information security through the network firewall;
and S7, the network firewall guides the information into the dispatching desk after filtering the information, and then processes the information.
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| KR20130033806A (en) * | 2011-09-27 | 2013-04-04 | 한국전력공사 | System for operating smart power grid |
| US20160239032A1 (en) * | 2013-10-30 | 2016-08-18 | Jiangsu Electric Power Company Nanjing Power Supply Company | A progressive optimization dispatching method of smart distribution system |
| CN105868940A (en) * | 2016-06-01 | 2016-08-17 | 黄绍华 | Grid fault information issuing and processing system |
| CN206533399U (en) * | 2017-01-12 | 2017-09-29 | 国网安徽省电力公司阜阳供电公司 | A kind of electric power scheduling automatization system |
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