CN111629047B - Multi-layer online monitoring system and method for transformer substation - Google Patents
Multi-layer online monitoring system and method for transformer substation Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- 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
- H02J13/00002—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 monitoring
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- 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
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- 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
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Abstract
The invention relates to a multilayer online monitoring system and a method for a transformer substation, wherein a process layer monitoring unit is connected with an A, B network of a process layer of the transformer substation, a station control layer monitoring unit is connected with a A, B network of a station control layer of the transformer substation, a scheduling data network communication link monitoring unit is connected with a scheduling data network switch of the transformer substation, and the process layer monitoring unit, the station control layer monitoring unit and the scheduling data network communication link monitoring unit transmit monitored message information to a data recording unit; the analysis and verification unit is used for reading the data of the data recording unit, judging whether each message meets the corresponding message standard or not and transmitting an analysis conclusion to the data recording unit; the display unit is used for reading the real-time refreshing data of the data recording unit and displaying real-time problems. The technical scheme provides powerful online monitoring and troubleshooting auxiliary tools for operation and maintenance of the transformer substation, provides guarantee for normal operation of the electric power telemechanical system, and has great practical value and popularization value.
Description
Technical Field
The invention relates to the technical field of transformer substation online monitoring, in particular to a transformer substation multilayer online monitoring system and a transformer substation multilayer online monitoring method.
Background
The intelligent transformer substation adopts advanced, reliable, integrated and environment-friendly intelligent equipment, takes total station information digitization, communication platform networking and information sharing standardization as basic requirements, automatically completes basic functions of information acquisition, measurement, control, protection, metering, detection and the like, and simultaneously has advanced functions of supporting real-time automatic control, intelligent adjustment, on-line analysis decision, cooperative interaction and the like of a power grid.
Because the main station and the sub station belong to different functional departments for management, when some faults occur, all the departments may be required to be connected, and the responsibility attribution is defined, but the problem type, the problem source and the responsibility attribution cannot be directly judged basically only by the analysis result of the main station system; in addition, for the faults without regularity, some faults are usually generated again at intervals of several days or longer time, for the faults, the fault source is difficult to find out only by means of data analysis results of the current main station system, and the on-station problem can only be found out on the station generally, but no message is stored on the station, so that the problem finding difficulty is further aggravated.
As shown in fig. 1, the network structure of the intelligent substation is generally in a form of "three layers and two networks", wherein: "three layers" refers to the process layer, spacer layer, station control layer; the "two networks" refer to a process layer network and a station control layer network.
In the prior art, although a process layer and a station control layer are respectively provided with a network monitoring device, the following problems still exist:
1. scheduling data network communication channel transception without in-station monitoring
Once the scheduling monitoring data has a problem, the problem cannot be directly confirmed to be present at the scheduling end or the transformer station end, and further gradual troubleshooting of in-station processing personnel is required.
2. The process layer, the station control layer and the scheduling data network are not subjected to integrated combined monitoring, and form comparative analysis
If the power grid fails, the process layer data, the station control layer data and the scheduling communication network data cannot be integrated, compared and analyzed, and which layer is in problem cannot be directly positioned, so that manual one-by-one inspection is required, and the failure recovery time is greatly delayed.
3. The messages of GOOES, SV, MMS, 103, 101, 104 and 476 in the process layer, the station control layer and the scheduling data network are not subjected to protocol standard type analysis
Because the device manufacturers and models of the transformer substation are various, each device manufacturer realizes a corresponding message protocol, if GOOES, SV, MMS, 103, 101, 104 and 476 protocol standard analysis is not performed, part of the messages of the manufacturers do not accord with domestic and foreign standards, influence is brought to reconstruction and expansion of the transformer substation in the later period, and heavy economic burden is brought to replacement of the devices again.
Disclosure of Invention
The invention aims to solve the technical problem of making up the defects of the prior art and provides a transformer substation multilayer online monitoring system and a transformer substation multilayer online monitoring method.
To solve the technical problems, the technical scheme of the invention is as follows:
a multi-layer online monitoring system for a transformer substation comprises a process layer monitoring unit, a station control layer monitoring unit, a scheduling data network communication link monitoring unit, a data recording unit, an analysis and verification unit and a display unit;
the process layer monitoring unit is connected with the A, B network of the process layer and used for carrying out double-network monitoring and transmitting the monitored GOOSE message information and SV message information to the data recording unit;
the station control layer monitoring unit is connected with an A, B network of the station control layer and is used for carrying out double-network monitoring and transmitting the monitored MMS message information and 103 message information to the data recording unit;
the dispatching data network communication link monitoring unit is connected with the dispatching data network switch and used for monitoring and transmitting monitored 104 message information, 101 message information and 476 message information to the data recording unit;
the analysis and verification unit is used for reading the data of the data recording unit according to the property of the transformer substation, judging whether each message meets the corresponding message standard by adopting an analytic formula corresponding to the property of the transformer substation, and transmitting an analysis conclusion to the data recording unit;
the display unit is used for reading the real-time refreshing data of the data recording unit and displaying real-time problems.
Furthermore, the process layer monitoring unit, the station control layer monitoring unit and the scheduling data network transmit information with the data recording unit through a Socket protocol.
Furthermore, the process layer monitoring unit comprises a monitoring processing engine I, a GOOSE analysis module, an SV analysis module, a connection merging unit, an intelligent terminal, a process layer intelligent switch and an optical fiber insertion module, wherein the input ends of the GOOSE analysis module and the SV analysis module are connected with the output end of the monitoring processing engine I, the output ends of the GOOSE analysis module and the SV analysis module are connected with the input ends of the connection merging unit and the intelligent terminal, and the process layer intelligent switch and the optical fiber insertion module are connected with the output ends of the connection merging unit and the intelligent terminal.
Further, the unit is monitored on station accuse layer is including monitoring processing engine II, the module is analyzed to the MMS, 103 analysis module, 61850 protocol service module, 103 protocol service module, net gape access module II and station accuse layer switch, the input of MMS analysis module and 103 analysis module all links to each other with the output of monitoring processing engine II, the output of MMS analysis module links to each other with 61850 protocol service module's input, the output of 103 analysis module links to each other with 103 protocol service module's input, 61850 protocol service module and 103 protocol service module's output all link to each other with net gape access module II's input, net gape access module II's output links to each other with station accuse layer switch's output.
Furthermore, the dispatching data network communication link monitoring unit comprises a monitoring processing engine III, a 104 analysis module, a 101 analysis module, a 476 analysis module, a monitoring packet capturing module, a 104 channel, a 476 channel, a 101 channel, a network port access module III and a serial port access module, wherein the input ends of the 104 analysis module, the 101 analysis module and the 476 analysis module are connected with the output end of the monitoring processing engine III, the output ends of the 104 analysis module, the 101 analysis module and the 476 analysis module are connected with the input end of the monitoring packet capturing module, the monitoring packet capturing module is connected with the network port access module III through the 104 channel and the 476 channel, and the monitoring packet capturing module is connected with the serial port access module through the 101 channel.
Further, the data recording unit comprises a process layer container, a station control layer container and a scheduling data network communication link container, wherein the process layer container comprises a GOOSE container and an SV container, the station control layer container comprises an MMS container and a 103 container, and the scheduling data network communication link container comprises a 104 container, a 101 container and a 476 container.
Further, the data recording unit adopts an overlay mechanism to set a data rolling overlay range, and historical useless data are covered in a rolling mode.
An online monitoring method of the substation multilayer online monitoring system, comprising the following steps:
step 1: monitoring GOOSE message information and SV message information transmitted in a process layer A, B network through a process layer monitoring unit, and transmitting the message information to a data recording unit;
step 2: monitoring MMS message information and 103 message information transmitted in A, B network of the station control layer through the station control layer monitoring unit, and transmitting the message information to the data recording unit;
and step 3: monitoring 104 message information, 101 message information and 476 message information transmitted in a scheduling data network communication link through a scheduling data network communication link monitoring unit, and transmitting the message information to a data recording unit;
and 4, step 4: the analysis and verification unit reads the data of the data recording unit according to the property of the transformer substation, adopts an analytic formula corresponding to the property of the transformer substation to judge whether each message meets the corresponding message standard or not, and transmits an analysis conclusion to the data recording unit;
and 5: the display unit reads real-time refreshing data of the data recording unit and displays real-time problems.
Furthermore, the process layer monitoring unit, the station control layer monitoring unit and the scheduling data network transmit information with the data recording unit through a Socket protocol.
Further, the data recording unit in steps 1, 2 and 3 sets a data rolling coverage range through a coverage mechanism, and historical useless data are rolled and covered.
The invention can achieve the following beneficial effects:
1. the technical scheme of the invention has the function of monitoring the messages of the main station and the sub station, and analyzes and processes the telemetering, remote signaling and SOE information by using the technical means of real-time monitoring and comparison, and captures the accidental events in time;
2. the system has the function of completely storing the historical data and the historical messages, and can very easily find out the occurrence source of the fault by calling and analyzing the historical data and the historical messages, thereby providing a data basis for tracing the fault for troubleshooting;
3. powerful online monitoring and troubleshooting auxiliary tools are provided for operation and maintenance of the transformer substation, the normal operation of the electric power telecontrol system is guaranteed, and the electric power telecontrol system has great practical value and popularization value;
4. the inspection cost is greatly reduced;
5. the information degree and the management efficiency of the power grid enterprise are improved, and the purposes of improving the management level and promoting production through an information means are achieved.
Drawings
FIG. 1 is a three-layer two-network structure diagram of an intelligent substation;
FIG. 2 is a logic diagram of a multi-layer online monitoring service of a substation in an embodiment of the present invention;
FIG. 3 is a schematic diagram of the principle and linkage of a process level snooping unit in an embodiment of the present invention;
FIG. 4 is a schematic diagram of the principle and link of a station level snooping unit in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a scheduling data network communication link monitoring unit and links according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a data recording unit in an embodiment of the present invention;
FIG. 7 is a flow diagram of the business logic of an analytics verification unit in an embodiment of the present invention;
fig. 8 is a flow chart of display unit service logic in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
A multi-layer online monitoring system for a transformer substation comprises a process layer monitoring unit, a station control layer monitoring unit, a scheduling data network communication link monitoring unit, a data recording unit, an analysis and verification unit and a display unit;
the process layer monitoring unit is used for being connected with an A, B network of a process layer of the intelligent substation, performing double-network monitoring and transmitting monitored GOOSE message information and SV message information to the data recording unit;
the station control layer monitoring unit is used for being connected with an A, B network of a station control layer of the intelligent substation, performing double-network monitoring and transmitting monitored MMS message information and 103 message information to the data recording unit;
the dispatching data network communication link monitoring unit is used for being connected with a dispatching data network switch of the intelligent substation, monitoring and transmitting monitored 104 message information, 101 message information and 476 message information to the data recording unit;
the analysis and verification unit is used for reading the data of the data recording unit according to the property of the transformer substation, judging whether each message meets the corresponding message standard by adopting an analytic formula corresponding to the property of the transformer substation, and transmitting an analysis conclusion to the data recording unit;
the display unit is used for reading the real-time refreshing data of the data recording unit and displaying real-time problems.
The process layer monitoring unit, the station control layer monitoring unit and the scheduling data network and data recording unit transmit information through a Socket protocol.
The process layer monitoring unit comprises a monitoring processing engine I, a GOOSE analysis module, an SV analysis module, a connection merging unit, an intelligent terminal, a process layer intelligent switch and an optical fiber insertion module, wherein the input ends of the GOOSE analysis module and the SV analysis module are connected with the output end of the monitoring processing engine I, the output ends of the GOOSE analysis module and the SV analysis module are connected with the input ends of the connection merging unit and the intelligent terminal, and the process layer intelligent switch and the optical fiber insertion module are connected with the output ends of the connection merging unit and the intelligent terminal.
Station accuse layer monitoring unit is including monitoring processing engine II, the module is parsed to the MMS, 103 analysis module, 61850 protocol service module, 103 protocol service module, net gape access module II and station accuse layer switch, the input of MMS analysis module and 103 analysis module all links to each other with the output of monitoring processing engine II, the output of MMS analysis module links to each other with 61850 protocol service module's input, the output of 103 analysis module links to each other with 103 protocol service module's input, 61850 protocol service module and 103 protocol service module's output all links to each other with net gape access module II's input, net gape access module II's output links to each other with station accuse layer switch's output.
The dispatching data network communication link monitoring unit comprises a monitoring processing engine III, a 104 analyzing module, a 101 analyzing module, a 476 analyzing module, a monitoring packet capturing module, a 104 channel, a 476 channel, a 101 channel, a network port access module III and a serial port access module, wherein the 104 analyzing module, the 101 analyzing module and the 476 analyzing module are connected with the output end of the monitoring processing engine III, the 104 analyzing module, the 101 analyzing module and the 476 analyzing module are connected with the input end of the monitoring packet capturing module, the monitoring packet capturing module is connected with the network port access module III through the 104 channel and the 476 channel, and the monitoring packet capturing module is connected with the serial port access module through the 101 channel.
The data recording unit comprises a process layer container, a station control layer container and a scheduling data network communication link container, wherein the process layer container comprises a GOOSE container and an SV container, the station control layer container comprises an MMS container and a 103 container, and the scheduling data network communication link container comprises a 104 container, a 101 container and a 476 container.
The data recording unit adopts a coverage mechanism to set a data rolling coverage range and roll-type covers historical useless data.
The online monitoring method of the transformer substation multilayer online monitoring system comprises the following steps:
step 1: monitoring GOOSE message information and SV message information transmitted in a process layer A, B network through a process layer monitoring unit, and transmitting the message information to a data recording unit through a Socket protocol;
step 2: monitoring MMS message information and 103 message information transmitted in A, B network of the station control layer through the station control layer monitoring unit, and transmitting the message information to the data recording unit through a Socket protocol;
and step 3: monitoring 104 message information, 101 message information and 476 message information transmitted in a scheduling data network communication link through a scheduling data network communication link monitoring unit, and transmitting the message information to a data recording unit through a Socket protocol;
and (3) setting a data rolling coverage range by the data recording unit through a coverage mechanism in the steps 1, 2 and 3, and rolling and covering historical useless data.
And 4, step 4: the analysis and verification unit reads the data of the data recording unit according to the property of the transformer substation, adopts an analytic formula corresponding to the property of the transformer substation to judge whether each message meets the corresponding message standard or not, and transmits an analysis conclusion to the data recording unit;
and 5: the display unit reads real-time refreshing data of the data recording unit and displays real-time problems.
The advantages of this embodiment are:
1. the technical scheme of the invention has the function of monitoring the messages of the main station and the sub station, and analyzes and processes the telemetering, remote signaling and SOE information by using the technical means of real-time monitoring and comparison, and captures the accidental events in time;
2. the system has the function of completely storing the historical data and the historical messages, and can very easily find out the occurrence source of the fault by calling and analyzing the historical data and the historical messages, thereby providing a data basis for tracing the fault for troubleshooting;
3. powerful online monitoring and troubleshooting auxiliary tools are provided for operation and maintenance of the transformer substation, the normal operation of the electric power telecontrol system is guaranteed, and the electric power telecontrol system has great practical value and popularization value;
4. greatly reduced patrols and examines cost, for example: according to 2 abnormal monitoring records per day on average, the frequency of power transformation operation and maintenance and the frequency of invalid routing inspection of power transformation maintenance personnel are reduced by not less than 730 times per year;
(1) according to the average time length of a round-trip transformer substation of 1.5 hours, the average speed per hour of 60 kilometers per hour, the hundred kilometers of oil consumption of 15L and the price of fuel oil of 6 yuan/L;
(2) according to the 'budget quota for power grid maintenance engineering' issued by the national energy agency, the base price of a transmitter of a telecontrol device is 360.49 yuan/time, the base price of a measurement and control device is 1557.38 yuan/time on average, the base price of a system inspection class is 766.06 yuan/time, and the base price of three common working classes is 894.64 yuan/time on average;
(3) the vehicle loss is 15 yuan/time, and the polling work is 2 persons/time;
the accumulated saved invalid inspection cost is (1.5 hours multiplied by 60 kilometers/hour multiplied by 15L divided by 100 kilometers multiplied by 6 yuan/L +894.64 yuan/times multiplied by 2 people +15 yuan/time) multiplied by 730 times =137.6254 ten thousand yuan, so that the inspection cost can be saved by at least 138 x 2=276 ten yuan per year;
5. the information degree and the management efficiency of the power grid enterprise are improved, and the purposes of improving the management level and promoting production through an information means are achieved.
The above description is only one embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the spirit of the present invention.
Claims (10)
1. A multilayer online monitoring system of a transformer substation is characterized in that: the system comprises a process layer monitoring unit, a station control layer monitoring unit, a scheduling data network communication link monitoring unit, a data recording unit, an analysis and verification unit and a display unit;
the process layer monitoring unit is connected with the A, B network of the process layer and used for carrying out double-network monitoring and transmitting the monitored GOOSE message information and SV message information to the data recording unit;
the station control layer monitoring unit is connected with an A, B network of the station control layer and is used for carrying out double-network monitoring and transmitting the monitored MMS message information and 103 message information to the data recording unit;
the dispatching data network communication link monitoring unit is connected with the dispatching data network switch and used for monitoring and transmitting monitored 104 message information, 101 message information and 476 message information to the data recording unit;
the analysis and verification unit is used for reading the data of the data recording unit according to the property of the transformer substation, judging whether each message meets the corresponding message standard by adopting an analytic formula corresponding to the property of the transformer substation, and transmitting an analysis conclusion to the data recording unit;
the display unit is used for reading the real-time refreshing data of the data recording unit and displaying real-time problems.
2. The substation multilayer online monitoring system according to claim 1, characterized in that: the process layer monitoring unit, the station control layer monitoring unit, the scheduling data network and the data recording unit transmit information through a Socket protocol.
3. The substation multilayer online monitoring system according to claim 1, characterized in that: the process layer monitoring unit comprises a monitoring processing engine I, a GOOSE analysis module, an SV analysis module, a connection merging unit, an intelligent terminal, a process layer intelligent switch and an optical fiber insertion module, wherein the input ends of the GOOSE analysis module and the SV analysis module are connected with the output end of the monitoring processing engine I, the output ends of the GOOSE analysis module and the SV analysis module are connected with the input ends of the connection merging unit and the intelligent terminal, and the process layer intelligent switch and the optical fiber insertion module are connected with the output ends of the connection merging unit and the intelligent terminal.
4. The substation multilayer online monitoring system according to claim 1, characterized in that: station accuse layer monitoring unit is including monitoring processing engine II, the module is parsed to the MMS, 103 analysis module, 61850 protocol service module, 103 protocol service module, net gape access module II and station accuse layer switch, the input of MMS analysis module and 103 analysis module all links to each other with the output of monitoring processing engine II, the output of MMS analysis module links to each other with 61850 protocol service module's input, the output of 103 analysis module links to each other with 103 protocol service module's input, 61850 protocol service module and 103 protocol service module's output all links to each other with net gape access module II's input, net gape access module II's output links to each other with station accuse layer switch's output.
5. The substation multilayer online monitoring system according to claim 1, characterized in that: the dispatching data network communication link monitoring unit comprises a monitoring processing engine III, a 104 analyzing module, a 101 analyzing module, a 476 analyzing module, a monitoring packet capturing module, a 104 channel, a 476 channel, a 101 channel, a network port access module III and a serial port access module, wherein the 104 analyzing module, the 101 analyzing module and the 476 analyzing module are connected with the output end of the monitoring processing engine III, the 104 analyzing module, the 101 analyzing module and the 476 analyzing module are connected with the input end of the monitoring packet capturing module, the monitoring packet capturing module is connected with the network port access module III through the 104 channel and the 476 channel, and the monitoring packet capturing module is connected with the serial port access module through the 101 channel.
6. The substation multilayer online monitoring system according to claim 1, characterized in that: the data recording unit comprises a process layer container, a station control layer container and a scheduling data network communication link container, wherein the process layer container comprises a GOOSE container and an SV container, the station control layer container comprises an MMS container and a 103 container, and the scheduling data network communication link container comprises a 104 container, a 101 container and a 476 container.
7. The substation multilayer online monitoring system according to claim 1, characterized in that: the data recording unit adopts a coverage mechanism to set a data rolling coverage range and roll-type covers historical useless data.
8. An online monitoring method of the multi-layer online monitoring system of the transformer substation as claimed in claims 1-7, characterized in that: the method comprises the following steps:
step 1: monitoring GOOSE message information and SV message information transmitted in a process layer A, B network through a process layer monitoring unit, and transmitting the message information to a data recording unit;
step 2: monitoring MMS message information and 103 message information transmitted in A, B network of the station control layer through the station control layer monitoring unit, and transmitting the message information to the data recording unit;
and step 3: monitoring 104 message information, 101 message information and 476 message information transmitted in a scheduling data network communication link through a scheduling data network communication link monitoring unit, and transmitting the message information to a data recording unit;
and 4, step 4: the analysis and verification unit reads the data of the data recording unit according to the property of the transformer substation, adopts an analytic formula corresponding to the property of the transformer substation to judge whether each message meets the corresponding message standard or not, and transmits an analysis conclusion to the data recording unit;
and 5: the display unit reads real-time refreshing data of the data recording unit and displays real-time problems.
9. The multilayer online monitoring method of the substation according to claim 8, characterized in that: the process layer monitoring unit, the station control layer monitoring unit, the scheduling data network and the data recording unit transmit information through a Socket protocol.
10. The multilayer online monitoring method of the substation according to claim 8, characterized in that: and (3) setting a data rolling coverage range by the data recording unit through a coverage mechanism in the steps 1, 2 and 3, and rolling and covering historical useless data.
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