CN114069858B - Optimal scheduling method for power system - Google Patents
Optimal scheduling method for power system Download PDFInfo
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- CN114069858B CN114069858B CN202111348244.5A CN202111348244A CN114069858B CN 114069858 B CN114069858 B CN 114069858B CN 202111348244 A CN202111348244 A CN 202111348244A CN 114069858 B CN114069858 B CN 114069858B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 57
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 45
- 238000012546 transfer Methods 0.000 claims description 35
- 238000004088 simulation Methods 0.000 claims description 32
- 238000010586 diagram Methods 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000001131 transforming effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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, in particular to the technical field of box opening control, which comprises the following steps: the invention has the beneficial effects that: the collected fault information of the distribution station and the transformer substation is summed through the RTU remote measurement and control unit and then transmitted to the data rapid channel, the WEB server directly connected through the data rapid channel is used for carrying out power dispatching through the dispatching desk, the engineering is guaranteed to be in the normal operation process, if the power failure condition occurs, the dispatching master end can react rapidly, 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 of a power system.
Background
The power dispatching is an effective management means for ensuring safe and stable operation of the power grid, external reliable power supply and orderly execution of various power production works. The specific work content of the 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 condition of various production works is comprehensively considered, the safe and economic operation state of the power grid is judged, and an operation instruction is issued through a telephone or an automatic system to command on-site operators or an automatic control system to adjust, such as adjusting the output of a generator, adjusting the 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 technology in recent years, modern monitoring and control means are perfected, and technical support of power dispatching is also becoming strong.
In the prior art, in the process of dispatching, electric power is required to be transmitted to a distribution station through a transformer substation, then the power is supplied to an area responsible for the distribution station, but current transmission is carried out between the transformer substation and the distribution station through cables, if unexpected situations, such as natural disasters, artificial damages and the like, occur, if the situation occurs at the place responsible for the distribution station, power failure situations exist in urban construction, and electric power is required to be used for driving an instrument to work at the same time, if the situation of power failure exists, the situation of power failure cannot be handled in time, the construction period can be prolonged, and a large amount of financial resources are consumed.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the mechanical lock is inconvenient to operate, the fingerprint lock cannot transfer unlocking authority and has corresponding problems, and a user is greatly blocked in actual use.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an optimized scheduling method for a power system, comprising: the system comprises a dispatching terminal, a transformer substation, a power distribution station, a transfer line, a central unit, an RTU remote measurement and control unit, a data exchange platform, network data and telephone access terminals, a data exchange platform, a data rapid channel, a local power grid rescue team, wherein the dispatching main terminal 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 the 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 the telephone access terminals.
By adopting the technical scheme: under the accident condition of the transfer line, the fault can be detected through the central unit, then the information is respectively led into the distribution station and the transformer substation, then the distribution station is connected to a local power grid rescue team to repair the damaged transfer line, the data is transmitted to the dispatching master terminal through the RTU remote measurement and control unit and the data exchange platform, and the power is dispatched from other places for emergency use.
Preferably, the scheduling master end includes: dispatching desk, WEB server, network firewall and dispatching simulation screen.
By adopting the technical scheme: the invention can obviously observe the road section with faults to a certain extent, and is convenient for dispatching the main end and commanding 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: the place of the damaged transit line can be visually seen and positioned through the power line transmission simulation diagram and the generated power line transmission fault section simulation diagram.
Preferably, a fault detection stage and a fault information transmission stage are also arranged between the transformer substation and the distribution substation,
the fault detection stage comprises:
s1, a transformer substation is used for transforming high voltage into low voltage, then the low voltage line is sent to a city area, and then a transformer sent to a transformer station is changed into 380V three-phase to be sent to a user;
s2, a power distribution station is used for sending electricity to stations of electric equipment or users, is positioned at the tail end of a power grid, is a point on a radial network, is connected with a transformer substation, is connected with the electric equipment in a lower mode, is small in general capacity, is low in voltage level below 35 kilovolts, is mostly used for scheduling, and is used for scheduling each line and balancing the load of each line; there are also some independent functions to change the transmission mode.
S3, a transfer line is connected between the distribution station and the transformer substation, and current after the voltage reduction in the transformer substation is transmitted to the distribution station;
s4, the central unit detects the transfer line, and if the transfer line is broken due to artificial reasons, natural disasters or accidents and the like in the transportation process of the current, the central unit detects the break condition;
the fault information transmission stage comprises the following steps:
s5, the central unit detects the accident and transmits fault information to the transformer station and the power distribution station respectively;
after the fault information transmission is finished in the step S4:
s5.1, after receiving information from the central unit, the power distribution station directly contacts a local power grid rescue team by local personnel, and the local power grid rescue team performs fault maintenance on the transfer 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 and transmits the telemetry data through the transmission system to the data exchange platform;
s5.3, after the data exchange platform receives the data, the data is distinguished, and if the RTU directly transmits the data, the data directly enters the WEB server through the data rapid channel;
s5.4, the WEB server receives the fault information and then directly transmits the fault information to the dispatching desk, and then displays the fault information on the dispatching simulation screen;
s5.5, a power transmission simulation diagram is arranged on the dispatching simulation screen, then a power line transmission fault road section simulation diagram is generated through the transmitted data, power in other areas is temporarily dispatched to the areas needing construction through the simulator, power is temporarily supplied to the areas needing construction, and normal operation of the construction areas is guaranteed.
By adopting the technical scheme: through fault detection, the power grid is maintained in advance, and power in other places can be scheduled, so that the power grid is scheduled in advance.
Preferably, the network firewall is in signal connection with a WEB server, the WEB server is electrically connected with a dispatching desk, and the dispatching desk is electrically connected with the dispatching simulation screen through a lead.
The scheduling terminal further comprises receiving external network information,
receiving external network information;
s6, the network data and the telephone access terminal receive call information or network information from the external network, then the information judges the information security through a network firewall,
and S7, after the network firewall filters the information, the information is imported into a dispatching desk, and then the information is processed.
By adopting the technical scheme: the safety of the external information received by the dispatching master terminal is improved.
The beneficial effects of the invention are as follows:
when the system is used, firstly, after a transfer line has a problem, the transfer line is detected through a central unit, then information is sent to a distribution station and a transformer substation, after the distribution station receives the information, the system is connected to a local power grid rescue team, the transfer line is maintained through the local power grid rescue team, the RTU remote measurement and control unit can transmit fault information collected in the distribution station and the transformer substation to a dispatching master end, the collected fault information of the distribution station and the transformer substation is summed up through the RTU remote measurement and control unit and then transmitted to a data rapid channel, and the system is electrically dispatched through a WEB server directly connected with the data rapid channel, so that the engineering can be guaranteed to quickly respond to the dispatching master end and guarantee the engineering progress if the power failure condition occurs in the normal operation process of the engineering.
Drawings
Fig. 1 is a schematic diagram of a system module according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1, a power system optimization scheduling method includes: scheduling terminal, the transformer substation, the distribution substation, transfer circuit, the central unit, the remote measurement and control unit of RTU, data exchange platform, network data and telephone access terminal, data exchange platform, data quick channel, local electric wire rescue team, dispatch always end passes through wire and data exchange platform electric connection, data exchange platform and the remote measurement and control unit signal connection of RTU, the remote measurement and control unit of RTU is connected with distribution substation and transformer substation signal connection, be connected through the transfer circuit between transformer substation and the distribution substation, transfer circuit passes through wire and central unit electric connection, distribution substation and local electric wire rescue team electric connection, data exchange platform and network data and telephone access terminal signal connection, the dispatch always end includes: dispatching desk, WEB server, network firewall and dispatching simulation screen.
In this embodiment, firstly, when a problem occurs in the transfer line, the transfer line is detected through the central unit, then information is sent to the distribution station and the transformer substation, after the distribution station receives the information, the transfer station contacts with the local power grid rescue team, the transfer line is maintained through the local power grid rescue team, and the RTU remote measurement and control unit transmits fault information collected in the distribution station and the transformer substation to the dispatching master end.
Example 2
Referring to fig. 1, there are also fault detection phases, fault information transmission phases between the substation and the distribution substation,
the fault detection stage comprises the following steps:
s1, a transformer substation is used for transforming high voltage into low voltage, then the low voltage line is sent to a city area, and then a transformer sent to a transformer station is changed into 380V three-phase to be sent to a user;
s2, a power distribution station is used for sending electricity to stations of electric equipment or users, is positioned at the tail end of a power grid, is a point on a radial network, is connected with a transformer substation, is connected with the electric equipment in a lower mode, is small in general capacity, is low in voltage level below 35 kilovolts, is mostly used for scheduling, and is used for scheduling each line and balancing the load of each line; there are also some independent functions to change the transmission mode.
S3, a transfer line is connected between the distribution station and the transformer substation, and current after the voltage reduction in the transformer substation is transmitted to the distribution station;
s4, the central unit detects the transfer line, and if the transfer line is broken due to artificial reasons, natural disasters or accidents and the like in the transportation process of the current, the central unit detects the interruption condition.
In this embodiment, can monitor it always through the central unit in the middle of distribution substation and the transformer substation, if the unexpected condition appears, directly send the information to the distribution substation department through the central unit, send the information to the distribution substation department through the distribution substation, can react fast after the distribution substation knows the condition, prevent extravagant rescue time.
Example 3
Referring to fig. 1, the fault information transmission phase includes:
s5, the central unit detects the accident and transmits fault information to the transformer station and the distribution station respectively.
After the fault information transmission is finished in the step S4:
s5.1, after receiving information from a central unit, a power distribution station directly contacts a local power grid rescue team by local personnel, and the local power grid rescue team receives fault information and then performs fault maintenance on a transfer line;
s5.2, the RTU remote measurement and control unit collects the information in the power distribution station and the transformer substation and transmits the telemetry data through the transmission system to the data exchange platform;
s5.3, after the data exchange platform receives the data, starting to distinguish the data, and if the RTU directly transmits the data, directly entering the WEB server through a data rapid channel;
s5.4, the WEB server receives the fault information and then directly transmits the fault information to the dispatching desk, and then displays the fault information on the dispatching simulation screen;
s5.5, a power transmission simulation diagram is arranged on the dispatching simulation screen, then a power line transmission fault road section simulation diagram is generated through the transmitted data, power in other areas is temporarily dispatched to the areas needing construction through the simulator, power is temporarily supplied to the areas needing construction, and normal operation of the construction areas is guaranteed.
In the embodiment, the collected fault information of the distribution station and the transformer substation is summed through the RTU remote measurement and control unit and then transmitted to the data rapid channel, the WEB server directly connected through the data rapid channel is used for power dispatching through the dispatching desk, the normal operation process of the project is guaranteed, if the power failure condition occurs, the dispatching master terminal can rapidly react, and the project progress is guaranteed.
Example 4
Referring to fig. 1, a network firewall is in signal connection with a WEB server, the WEB server is electrically connected with a dispatching desk, and the dispatching desk is electrically connected with a dispatching simulation screen through wires.
The scheduling terminal further comprises receiving external network information,
receiving external network information;
s6, the network data and telephone access terminal receives call information or network information from the external network, and then the information judges the information security through the network firewall.
And S7, after the network firewall filters the information, the information is imported into the dispatching desk, and then the information is processed.
In this embodiment, the scheduling master end can distinguish the information from the RTU remote measurement and control unit or the network data and the telephone access end through the data exchange platform under the condition of receiving the external information, if the information of the RTU remote measurement and control unit is directly transmitted to the WEB server through the data fast channel, if the information of the network data and the telephone access end is filtered through the network firewall, the information can enter the WEB server, so as to ensure the network security of the scheduling master end.
Working principle:
the central unit detects a transfer line at first, if the transfer line is broken due to artificial reasons, natural disasters or accidents and the like in the transportation process, the central unit detects the break condition of the transfer line, the central unit detects the break condition, fault information is transmitted to a transformer station and a power distribution station respectively, 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 receives the fault information and then carries out fault maintenance on the transfer line, the RTU remote measurement and control unit simultaneously collects the remote measurement data of the power distribution station and the transformer station through a transmission system, the data exchange platform sends the remote measurement data to a data exchange platform, the data exchange platform starts to distinguish the data after receiving the data, if the RTU directly transmits the data, the data enters a WEB server through a data rapid channel, the WEB server directly transmits the fault information to a dispatching desk and then displays the fault information on a dispatching simulation screen, the dispatching simulation screen is provided with a power transmission diagram, the power transmission simulation diagram is generated through the transmitted through the data of the power transmission, the power transmission simulation diagram of other areas is temporarily dispatched to a power transmission section of the power transmission simulation diagram of the power transmission section of the power transmission simulator to a power supply area of the power transmission simulation diagram of the power supply area of the power transmission area, the power transmission system is required to be temporarily responded to the power transmission unit, and the power transmission area of the power transmission system can normally and can respond to the power transmission station normally and quickly work the power transmission station is prevented.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. An optimized dispatching method for an electric power system is characterized by comprising the following steps: the system comprises a dispatching main end, a transformer substation, a power distribution station, a transfer line, a central unit, an RTU 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 the 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 the telephone access end;
wherein, the scheduling master terminal includes: the system comprises a dispatching desk, a WEB server, a network firewall and a dispatching simulation screen;
a power line transmission simulation diagram and a power line transmission fault section simulation diagram are arranged in the scheduling simulation screen;
the transformer station and the distribution station also comprise a fault detection stage and a fault information transmission stage;
the fault detection stage comprises:
s1, the transformer substation is used for transforming, after high voltage is changed into low voltage, the low voltage line is sent to a city, and then the transformer sent to a transformer station is changed into 380V three-phase to be sent to a user;
s2, a power distribution station is used for sending electricity to a station of electric equipment, is positioned at the tail end of a power grid, is a point on a radial network, is connected with a transformer station, is connected with electric equipment at the lower part, has smaller capacity, has the voltage level of below 35 kilovolts, and is mostly used for scheduling, scheduling each line and balancing the load of each line; there are also some independent functions to change the transmission mode;
s3, a transfer line is connected between the distribution station and the transformer substation, and current after the voltage reduction in the transformer substation is transmitted to the distribution station;
s4, the central unit detects the transfer line, and if the transfer line is broken due to artificial reasons, natural disasters or various unexpected reasons in the transportation process of the current, the central unit detects the break condition;
the fault information transmission stage comprises the following steps:
s5, when the central unit detects an accident, fault information is transmitted to a transformer station and a power distribution station respectively;
after the fault information transmission is completed, the method comprises the following steps:
s5.1, after receiving information from the central unit, the power distribution station directly contacts a local power grid rescue team by local personnel, and the local power grid rescue team performs fault maintenance on the transfer 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 and transmits the telemetry data through the transmission system to the data exchange platform;
s5.3, after the data exchange platform receives the data, the data is distinguished, and if the data is directly transmitted by the RTU, the data is directly transmitted to the WEB server through the data rapid channel;
s5.4, the WEB server receives the fault information and then directly transmits the fault information to the dispatching desk, and then displays the fault information on the dispatching simulation screen;
s5.5, a power line transmission simulation diagram is arranged on the dispatching simulation screen, then a power line transmission fault road section simulation diagram is generated through the transmitted data, power in other areas is temporarily dispatched to the areas needing construction through the simulator, power is temporarily supplied to the areas, and normal operation of the construction areas is guaranteed.
2. The power system optimization scheduling method according to claim 1, wherein the network firewall is in signal connection with a WEB server, the WEB server is electrically connected with a scheduling table, and the scheduling table is electrically connected with a scheduling simulation screen through a wire.
3. The power system optimization scheduling method according to claim 1, wherein the scheduling master further comprises receiving external network information;
s6, the network data and the telephone access terminal receive call information or network information from an external network, and then the information judges the information security through a network firewall;
and S7, after the network firewall filters the information, the information is imported into a dispatching desk, and then the information is processed.
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103577892A (en) * | 2013-10-30 | 2014-02-12 | 河海大学 | Progressive intelligent power distribution system scheduling method |
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|---|---|---|---|---|
| KR20130033806A (en) * | 2011-09-27 | 2013-04-04 | 한국전력공사 | System for operating smart power grid |
| 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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