CN105207855B - A kind of net source information monitoring and evaluating system and method - Google Patents
A kind of net source information monitoring and evaluating system and method Download PDFInfo
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- CN105207855B CN105207855B CN201510688043.8A CN201510688043A CN105207855B CN 105207855 B CN105207855 B CN 105207855B CN 201510688043 A CN201510688043 A CN 201510688043A CN 105207855 B CN105207855 B CN 105207855B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The present invention relates to a kind of net source information monitoring and evaluating system and methods, including scheduling station, dispatching communication networks, slave station, the scheduling station is connect by dispatching communication networks with slave station, the slave station includes telemechanical interchanger, mirror image switch, monitors host, telemechanical host and server, the telemechanical interchanger is connect with dispatching communication networks, mirror image switch respectively, the mirror image switch is connect with monitoring host, telemechanical host respectively, and the monitoring host is connect with server；It monitors after host receives all messages that mirror image switch flows out and is filtered, remove unrelated message, and the IEC104 original message of uplink and downlink is recorded, while the IEC104 message of uplink and downlink is parsed, and the data of parsing are stored in server.Compared with prior art, the advantages that present invention further promotes power plant regulation responding ability, improves power-plant operation controlled level.
Description
Technical field
The present invention relates to a kind of communication technology of electric system, more particularly, to a kind of net source information monitoring and evaluating system and
Method.
Background technique
The monitoring of electric system net source information mainly to the telemechanical real time interaction information of grid-connected power plant and dispatching control center into
Row monitoring assesses real-time, the accuracy of all kinds of interactive information with realizing, and provides all kinds of relate to power plant operations staff
The operating condition of net system and timely early warning.
Equipment based on similar working principle mainly has a communication message recorder at home, such equipment mainly have it is following not
Foot:
Monitoring only is realized to grid-connected ancillary service relevant information, net source comprehensive monitoring is not implemented；
Early warning function after assessment is not implemented；
Only telecontrol information is parsed from the angle of packet parsing, it is as a result complicated, hard to understand, not by these information
It is converted into the information that operation maintenance personnel is enough to understand.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of net source information to monitor
Assessment system and method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of net source information monitoring and evaluating system, which is characterized in that described including scheduling station, dispatching communication networks, slave station
Scheduling station connect with slave station by dispatching communication networks, the slave station includes that telemechanical interchanger, mirror image switch, monitoring are led
Machine, telemechanical host and server, the telemechanical interchanger are connect with dispatching communication networks, mirror image switch respectively, the mirror
Picture interchanger is connect with monitoring host, telemechanical host respectively, and the monitoring host is connect with server；
The monitoring host is filtered after receiving all messages that mirror image switch flows out, removal ARP, RARP,
The unrelated message of ICMP only retains IEC104 association message, and records to the IEC104 original message of uplink and downlink,
The IEC104 message of uplink and downlink is parsed simultaneously, and the data of parsing are stored in server.
There are two the telemechanical interchanger and mirror image switch are all provided with, using two-node cluster hot backup redundancy.
The mirror port of the telemechanical interchanger and mirror image switch connects；The mirror image switch passes through IEC104
Agreement is connect with telemechanical host；The server is equipped with the man-machine interface for web interaction and data for storing data
Library；The monitoring host is communication monitor log instrument.
The server capability includes: that drawing system equipment primary connection figure, remote signalling information evaluation, telemetry intelligence (TELINT) are commented
Estimate, energy information assessment, AGC information evaluation, AVC information evaluation, generate warning information alarm window, generate warning information event,
It is all kinds of to generate telemetering out-of-limit event, display telemetry intelligence (TELINT) table, display remote signalling information table, display generation schedulecurve figure and display
Telemetering curve.
A kind of net source information monitoring and assessing method characterized by comprising
1) remote signalling information evaluation process；
2) telemetry intelligence (TELINT) evaluation process；
3) information about power evaluation process；
4) AGC information evaluation process；
And/or 5) AVC information evaluation process.
The remote signalling information evaluation process specifically: remote signalling information is accused with electric power factory equipment primary connection figure and alarm window
Alert mode is patterned displaying, by checking the display of state and the consistency of virtual condition, to assess such remote signalling letter
The correctness of breath, wherein electric power factory equipment primary connection figure includes circuit-breaker status and disconnecting switch state.
The telemetry intelligence (TELINT) evaluation process specifically: in conjunction with the graphical representation of telemetry intelligence (TELINT), the assessment of telemetry intelligence (TELINT)
It is realized by way of off-limit alarm, to voltage contained by telemetry intelligence (TELINT), electric current, active and reactive, line current real measured data
Alarm threshold value is set；Telemetering is more prescribed a time limit, and records out-of-limit time and numerical value, and generate warning information.
The information about power evaluation process specifically: information about power is led to based on graphical representation and engineering interpretation
The mode for crossing electric energy balance is shown, counts unit, route and high standby power transformation amount and system-transformer unit according to information about power
Unbalance factor, house-service consumption rate.
The AGC information evaluation process specifically: AGC information evaluation system is to telemetry intelligence (TELINT), remote signalling information and AGC tune
The composite valuations for saving command information, pass through the devoting rate K of AGCA, response time Δ T, regulations speed V, adjusting deviation amount PΔ, adjust
The calculating of depth delta P index is saved, to realize the composite valuations to AGC information in source side.
The AVC information evaluation process specifically: statistics summarizes AVC instruction moment T0, current busbar voltage V1, target
Contribute V2, control model, adjust start time TS, adjust initial voltage VS, adjust finish time TE, adjust end voltage VELetter
Breath, to the devoting rate K of AVCA, response time Δ T, regulations speed V, adjusting deviation amount VΔ, regulated quantity Δ V index counted
It calculates.
Compared with prior art, the invention has the following advantages that
1) real-time monitoring of net source interactive information is realized, convenient for understanding sorts of systems current working status；
2) it realizes that all kinds of net source information engineering are shown, is easy to understand, analyzes；
3) assessment for realizing various information is easy to implement the reception accuracy to all kinds of scheduling regulation and control instructions, processing in time
Rate, the statistics for controlling success rate further promote power plant and regulate and control responding ability, improve power-plant operation controlled level, promote
Power plant is high-quality, economical operation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the flow chart of remote signalling information evaluation of the present invention；
Fig. 3 is the flow chart of telemetry intelligence (TELINT) of the present invention assessment；
Fig. 4 is the flow chart of information about power of the present invention assessment.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in Figure 1, a kind of net source information monitoring and evaluating system, including scheduling station 3, dispatching communication networks 2, slave station 1, institute
The scheduling station 3 stated is connect by dispatching communication networks 2 with slave station 1, and the slave station 1 includes telemechanical interchanger 11, mirror image exchange
Machine 12 monitors host 14, telemechanical host 13 and server 15, the telemechanical interchanger 11 respectively with dispatching communication networks 2, mirror image
Interchanger 12 connects, and the mirror image switch 12 is connect with monitoring host 14, telemechanical host 13 respectively, the monitoring host
14 connect with server 15.
There are two the telemechanical interchanger 13 and mirror image switch 12 is all provided with, using two-node cluster hot backup redundancy.Described is remote
Dynamic interchanger 11 is connect with the mirror port of mirror image switch 12.The mirror image switch 12 passes through IEC104 agreement and telemechanical
Host 13 connects.The server 15 is equipped with the man-machine interface for web interaction and database for storing data.It is described
Monitoring host 14 be communication monitor log instrument.
It is arranged by 12 port of mirror image switch and realizes net source information data image, then by communication monitor log instrument to net source
Information is parsed, and finally realizes data classification and storage in server, and according to information evaluation technology to all kinds of net source information
It is assessed.
All ethernet frame duplication portions flowed in and out of telemechanical interchanger mouth are sent to exchange by mirror image switch 12
The mirror port of machine.
It monitors host 14 and the network interface connecting with mirror image switch 12 is set as " promiscuous mode ", so as to desampler mirror image
All messages of mouth outflow；It monitors host 14 and filters the message received from mirror image switch 12, remove ARP, RARP, ICMP
Etc. unrelated message, only retain IEC104 association message.Host 14 is monitored to remember the IEC104 original message of uplink and downlink
Record, while the IEC104 message of uplink and downlink is parsed, and the data of parsing are stored in the MySQL database of server
In.
Server 15 is responsible for saving the historical data parsed, and is arranged, processed and calculated to historical data, in addition
Server also provides man-machine interface in a manner of Web.The database service of one MySQL of starting and an Apache on server
Web service, major function include drawing system equipment primary connection figure, remote signalling information evaluation, telemetry intelligence (TELINT) assessment, electric energy letter
Breath assessment, AGC information evaluation, AVC information evaluation, generation warning information alarm window, generation warning information event, generation telemetering are got over
Limit event, display telemetry intelligence (TELINT) table, display remote signalling information table, display generation schedulecurve figure, all kinds of telemetering curves of display etc..
Net source information appraisal procedure of the present invention specifically:
1, remote signalling information evaluation process, as shown in Fig. 2, remote signalling information with electric power factory equipment primary connection figure (circuit-breaker status,
Disconnecting switch state) and alarm window alarm mode be patterned displayings, pass through verification state display and virtual condition
Consistency, the correctness of such remote signalling information can be assessed.
2, telemetry intelligence (TELINT) appraisal procedure, as shown in figure 3, in conjunction with the graphical representation of telemetry intelligence (TELINT), the assessment of telemetry intelligence (TELINT)
It can be realized by way of off-limit alarm, the actual measurements such as voltage contained by telemetry intelligence (TELINT), electric current, active and reactive, line current are believed
Breath setting alarm threshold value.Telemetering is more prescribed a time limit, and records out-of-limit time and numerical value, and generate warning information, and table 1 is telemetering warning level
Value setting.
Table 1
3, information about power appraisal procedure, as shown in figure 4, information about power is led to based on graphical representation and engineering interpretation
The mode for crossing electric energy balance is shown, is become according to the statistics available unit out of information about power, route and high standby power transformation amount and system-hair
Group unbalance factor, house-service consumption rate.
4, AGC information evaluation method
Composite valuations of the AGC information evaluation system to telemetry intelligence (TELINT), remote signalling information and AGC regulating command information etc., dependency number
It is as shown in table 2 according to the information content.
Table 2
| Information type | The information content |
| Telemetering | Unit active power |
| AGC regulating command | AGC target value |
| Remote signalling | AGC puts into/exits |
| Remote signalling | AGC alarm |
| Time stamp | Information receiving/or sending time |
It is statistics available to summarize AGC instruction moment (T by calculating above- mentioned information0), current power output (P1), target power output
(P2), control model, adjust start time (TS), adjust start contribute (PS), adjust finish time (TE), adjust terminate power output
(PE) etc. information, carry out the devoting rate (K of AGCA), response time (Δ T), regulations speed (V), adjusting deviation amount (PΔ), adjust
The calculating of the indexs such as depth (Δ P), to realize the composite valuations to AGC information in source side.
● devoting rate (KA)
AGC devoting rate refers in measurement period, and when unit is run, AGC keeps the time accounting of investment state, measurement period
It can be indicated with formula (1) the generally moon:
Formula (1)
In formula, AGC making time can be counted by " AGC puts into/exits " the signal displacement time.
● response time (Δ t)
After the AGC response time refers to that scheduling EMS system issues instruction, unit output starts the basis in force out adjusting
On, it reliably steps out and adjusts the time used in the consistent adjusting dead zone in direction, unit is second (S), it can be indicated with formula (2):
Δ T=TS- T0Formula (2)
● regulations speed (V)
AGC regulations speed refers to the rate of unit response target instruction target word, and unit is MW/ minutes, can be indicated with formula (3):
Formula (3)
In formula, TS、TEUnit is second (S).
● adjusting deviation amount (PΔ)
Unit response target instruction target word start adjust after to adjusting end time section in, unit output surrounding target P2 meeting
Generate fluctuation.AGC adjusting deviation amount refers within the of this sort period, to the absolute value of the difference of practical power output and target power output
It is integrated, then with integrated value divided by the time of integration, as the adjusting deviation amount of the period, unit MW can use formula (4) table
Show:
Formula (4)
In formula, P(t)The practical power output for being it within the period.
● it adjusts depth (Δ P)
After AGC adjusting depth and unit respond this regulating command, practical adjustments power output amplitude, unit MW can use formula
(5) it indicates:
Δ P=PE- P0Formula (5)
5, AVC information evaluation method
AVC related data information content is as shown in table 3.
Table 3
| Information type | The information content |
| Telemetering | Busbar voltage |
| Telemetering | Generator terminal voltage |
| Telemetering | Unit reactive power |
| AVC regulating command | AVC target value |
| Remote signalling | AVC puts into/exits |
| Remote signalling | AVC alarm |
| Time stamp | Information receiving/or sending time |
Statistics summarizes AVC instruction moment (T0), current busbar voltage (V1), target contribute (V2), control model, adjusting open
Begin moment (TS), adjust initial voltage (VS), adjust finish time (TE), adjust end voltage (VE) etc. information, the throwing to AVC
Enter rate (KA), response time (Δ T), regulations speed (V), adjusting deviation amount (VΔ), the indexs such as regulated quantity (Δ V) are calculated.
● devoting rate (KA)
AVC devoting rate refers in measurement period, and when unit is run, AVC keeps the time accounting of investment state, measurement period
It can be indicated with formula (6) the generally moon:
Formula (6)
In formula, AVC making time can be counted by " AVC puts into/exits " the signal displacement time.
● response time (Δ t)
After the AVC response time refers to that scheduling EMS system issues instruction, busbar voltage starts the basis of voltage adjusting
On, it reliably steps out and adjusts the time used in the consistent adjusting dead zone in direction, unit is second (S), it can be indicated with formula (7):
Δ T=TS- T0Formula (7)
● regulations speed (V)
AVC regulations speed refers to the rate of unit response target instruction target word, and unit is V/ minutes, can be indicated with formula (8):
Formula (8)
In formula, TS、TEUnit is second (S).
● adjusting deviation amount (VΔ)
Unit response target instruction target word start adjust after to adjusting end time section in, busbar voltage surrounding target V2 meeting
Generate fluctuation.AVC adjusting deviation amount refers within the of this sort period, to the absolute value of the difference of virtual voltage and target voltage
It is integrated, then with integrated value divided by the time of integration, as the adjusting deviation amount of the period, unit V can use formula (9) table
Show:
Formula (9)
In formula, V(t)The practical power output for being it within the period.
● regulated quantity (Δ V)
After AVC adjusting depth and unit respond this regulating command, practical adjustments voltage, unit V can use formula (10) table
Show:
Δ V=VE- V0Formula (10)
Claims (4)
1. a kind of net source information monitoring and assessing method characterized by comprising
1) remote signalling information evaluation process；
2) telemetry intelligence (TELINT) evaluation process；
3) information about power evaluation process；
4) AGC information evaluation process；
And/or 5) AVC information evaluation process；
The AVC information evaluation process specifically: statistics summarizes AVC instruction moment T0, current busbar voltage V1, target power output
V2, control model, adjust start time TS, adjust initial voltage VS, adjust finish time TE, adjust end voltage VEInformation is right
The devoting rate K of AVCA, response time Δ T, regulations speed V, adjusting deviation amount VΔ, regulated quantity Δ V index calculated；
The remote signalling information evaluation process specifically: remote signalling information is alerted with electric power factory equipment primary connection figure and alarm window
Mode is patterned displaying, by checking the display of state and the consistency of virtual condition, to assess such remote signalling information
Correctness, wherein electric power factory equipment primary connection figure includes circuit-breaker status and disconnecting switch state；
The telemetry intelligence (TELINT) evaluation process specifically: in conjunction with the graphical representation of telemetry intelligence (TELINT), the assessment of telemetry intelligence (TELINT) passes through
The mode of off-limit alarm is realized, the real measured data of voltage contained by telemetry intelligence (TELINT), electric current, active power, reactive power is arranged
Alarm threshold value；Telemetering is more prescribed a time limit, and records out-of-limit time and numerical value, and generate warning information；
The information about power evaluation process specifically: information about power passes through electricity based on graphical representation and engineering interpretation
The mode that can be balanced is shown, counts unit, route and high standby power transformation amount according to information about power and system-transformer unit is uneven
Weighing apparatus rate, house-service consumption rate；
The AGC information evaluation process specifically: AGC information evaluation system is to telemetry intelligence (TELINT), remote signalling information and AGC regulating command
The composite valuations of information pass through the devoting rate K of AGCA, response time Δ T, regulations speed V, adjusting deviation amount PΔ, adjust depth
The calculating of Δ P index, to realize the composite valuations to AGC information in source side；
The net source information monitoring and evaluating system that the method uses, including scheduling station, dispatching communication networks, slave station, it is described
Scheduling station is connect by dispatching communication networks with slave station, and the slave station includes telemechanical interchanger, mirror image switch, monitors master
Machine, telemechanical host and server, the telemechanical interchanger are connect with dispatching communication networks, mirror image switch respectively, the mirror
Picture interchanger is connect with monitoring host, telemechanical host respectively, and the monitoring host is connect with server；
The monitoring host is filtered after receiving all messages that mirror image switch flows out, removal ARP, RARP, ICMP's
Unrelated message only retains IEC104 association message, and records to the IEC104 original message of uplink and downlink, while to upper
Capable and downlink IEC104 message is parsed, and the data of parsing are stored in server.
2. the method according to claim 1, wherein the telemechanical interchanger and mirror image switch are equipped with two
It is a, using two-node cluster hot backup redundancy.
3. the method according to claim 1, wherein the mirror port of the telemechanical interchanger and mirror image switch
Connection；The mirror image switch is connect by IEC104 agreement with telemechanical host；The server is equipped with for web interaction
Man-machine interface and database for storing data；The monitoring host is communication monitor log instrument.
4. the method according to claim 1, wherein the server capability includes: drawing system equipment one
Secondary wiring diagram, telemetry intelligence (TELINT) assessment, information about power assessment, AGC information evaluation, AVC information evaluation, generates remote signalling information evaluation
Warning information alarm window generates warning information event, generates telemetering out-of-limit event, display telemetry intelligence (TELINT) table, display remote signalling information
Table, display generation schedulecurve figure and all kinds of telemetering curves of display.
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| CN106771852B (en) * | 2016-11-25 | 2019-07-23 | 国网浙江省电力有限公司电力科学研究院 | A kind of unified acquisition of net source online monitoring data and analysis and processing method |
| CN108964278A (en) * | 2018-07-27 | 2018-12-07 | 贵州电网有限责任公司六盘水供电局 | A kind of telemechanical apparatus intelligent regulator analyzer |
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