CN112202178B - Intelligent alarm system and method convenient for monitoring dispatching traders and terminal equipment - Google Patents

Intelligent alarm system and method convenient for monitoring dispatching traders and terminal equipment Download PDF

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Publication number
CN112202178B
CN112202178B CN202011049781.5A CN202011049781A CN112202178B CN 112202178 B CN112202178 B CN 112202178B CN 202011049781 A CN202011049781 A CN 202011049781A CN 112202178 B CN112202178 B CN 112202178B
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module
monitoring
frequency
output
power
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CN112202178A (en
Inventor
江贺彬
董超
温涛
邹扬
刘川
谢文超
董锴
孟子杰
何祥针
栾添瑞
王志军
黎可
谢祥中
梁梓均
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Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd
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Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
    • H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • 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
    • H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/00002—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
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
    • 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
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
    • 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
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
    • 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
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/40—Display of information, e.g. of data or controls
    • 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
    • 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

Abstract

The invention relates to an intelligent alarm system, a method and terminal equipment convenient for monitoring a dispatching trader, which comprise an SCADA module, a DSP module, a section monitoring and judging module, a unit output monitoring module and a frequency monitoring module; the method comprises the steps that data such as power grid frequency, power flow power of power transmission equipment and output of a generator set are obtained through an SCADA (supervisory control and data acquisition) module, a DSP (digital signal processor) module classifies power grid operation data and transmits the power grid operation data to a section monitoring and judging module, a unit output monitoring module and a frequency monitoring module for further processing and logical judgment, a judgment result is output, and an alarm is given according to the judgment result.

Description

Intelligent alarm system and method convenient for monitoring dispatching traders and terminal equipment
Technical Field
The invention relates to the technical field of information processing, in particular to an intelligent alarm system, an intelligent alarm method and terminal equipment convenient for monitoring a dispatcher trader.
Background
With the continuous progress of computer technology and communication technology, a power grid SCADA system (data acquisition and monitoring control system) needs to receive mass data, the production speed of a unit is increased continuously along with the continuous promotion of power grid construction, and data needing to be monitored by a dispatcher in the SCADA system is increased rapidly. The dispatching trader is used as an electric power spot real-time market operator, is a responsible main body for power grid balance, power transmission section regulation and control and frequency stability regulation and control, and needs to consume a great deal of energy in the aspects of power transmission section monitoring, frequency monitoring and the like in order to ensure safe and stable operation of the power grid.
In the period of comprehensively promoting the safe and stable reform of the regional frequency, the complex information in the operation of the power grid is deeply processed and logically judged to form an intelligent alarm signal, so that the pressure of a dispatching trader in the monitoring aspect is reduced, and the situation perception of the dispatching trader in the operation of the power grid is enhanced to be more important.
Disclosure of Invention
The embodiment of the invention provides an intelligent alarm system, a method and terminal equipment convenient for monitoring a dispatching trader, which are used for solving the technical problems that the existing dispatching trader consumes a great deal of energy in the aspects of power transmission section monitoring, frequency monitoring and the like and has low working efficiency.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
an intelligent alarm system convenient for monitoring a dispatching trader comprises an SCADA module, a DSP module, a section monitoring and judging module, a unit output monitoring module and a frequency monitoring module;
the SCADA module is used for acquiring power grid operation data and transmitting the acquired power grid operation data to the DSP module;
the DSP module is used for being connected with the SCADA module, sorting and classifying the power grid operation data and transmitting the sorted and classified power grid operation data to the section monitoring and judging module, the unit output monitoring module and the frequency monitoring module;
the section monitoring and judging module is connected with the DSP module, judges the load rate of each power transmission section and outputs a judgment result;
the unit output monitoring module is connected with the DSP module, judges the output of the generator unit and outputs a judgment result;
the frequency monitoring module is used for being connected with the DSP module, judging whether the power grid frequency is out of limit or not and outputting a judgment result;
and the power grid operation data comprises power grid frequency, power flow power of power transmission equipment and output of a generator set.
Preferably, the section monitoring and judging module performs logic judgment on the power transmission section of the power grid according to the power flow power of the power transmission equipment, and specifically includes:
calculating the load rate of the power transmission section corresponding to the power transmission equipment according to the power flow power of the power transmission equipment, and if the load rate is greater than a set load rate threshold value, obtaining the load rate of the power transmission section at the moment T0 and recording the load rate as a first load rate;
and obtaining the load rate of the power transmission section at the time of T1 after a set time, recording as a second load rate, and if the difference between the second load rate and the first load rate is greater than a load rate alarm threshold, outputting an alarm by the section monitoring and judging module.
Preferably, the unit output monitoring module specifically judges that: obtaining the difference between the obtained actual output data of the generator set and the planned output data of the generator set to obtain an output difference value; and if the absolute value of the ratio of the output difference value to the planned output of the generator set is greater than the deviation threshold, the generator set output monitoring module outputs an alarm.
Preferably, the frequency monitoring module logic judgment specifically includes:
recording the absolute value of the difference between the obtained power grid frequency and the reference frequency as frequency deviation;
if the frequency deviation is larger than a first frequency deviation threshold value, the frequency monitoring module outputs an alarm;
and if the frequency deviation is smaller than the first frequency deviation threshold and larger than a second frequency deviation threshold, timing is started until the time exceeds a time threshold, and the frequency monitoring module outputs an alarm.
Preferably, the intelligent alarm system convenient for monitoring of the dispatching trader further comprises a display and alarm module, wherein the display and alarm module is used for displaying the judgment results output by the section monitoring judgment module, the unit output monitoring module and the frequency monitoring module and giving an alarm according to the results output by the section monitoring judgment module, the unit output monitoring module and the frequency monitoring module.
Preferably, the intelligent alarm system convenient for monitoring the dispatching trader further comprises a switch, and the switch is respectively connected with the section monitoring and judging module, the unit output monitoring module, the frequency monitoring module and the display and alarm module.
Preferably, the intelligent alarm system convenient for monitoring of the dispatching trader further comprises a database connected with the switch, and the database is used for storing judgment results output by the section monitoring judgment module, the unit output monitoring module and the frequency monitoring module.
The invention also provides an intelligent alarm method convenient for monitoring the dispatching trader, which comprises the following steps:
the method comprises the following steps: acquiring power grid frequency of power grid operation, power flow power of power transmission equipment and output information data of a generator set;
step two: the section monitoring and judging module, the unit output monitoring module and the frequency monitoring module of the intelligent alarm system convenient for monitoring the dispatching trader are adopted to respectively carry out logic judgment on the tidal current power of the power transmission equipment, the output of the power generator unit and the power grid frequency, and a judgment result is output according to whether the alarm logic is met;
step three: and storing the output judgment result into a database.
The present invention also provides a computer-readable storage medium for storing computer instructions that, when executed on a computer, cause the computer to perform the above-described intelligent alarm method for facilitating dispatch trader monitoring.
The invention also provides a terminal device, comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the intelligent alarm method convenient for monitoring the dispatching trader according to the instructions in the program codes.
According to the technical scheme, the embodiment of the invention has the following advantages:
1. the intelligent alarm system convenient for monitoring the dispatching trader acquires power grid frequency, power flow power of power transmission equipment, output power of a generator set and other power grid operation data through the SCADA module, the DSP module classifies and transmits the power grid operation data to the section monitoring and judging module, the unit output monitoring module and the frequency monitoring module to carry out deep processing and logic judgment, a judgment result is output, and alarm is carried out according to the judgment result.
2. According to the intelligent alarm method convenient for monitoring the dispatching trader, the frequency of a power grid running through the power grid, the tidal current power of power transmission equipment and the output information data of a generator set are obtained, the section monitoring and judging module, the unit output monitoring module and the frequency monitoring module are adopted to mine, process and judge the data, a clear alarm signal for the dispatching trader is formed, situation perception of the power grid in real-time running is effectively enhanced, the judged result is stored into a database, inquiry of the dispatching trader is facilitated, and the technical problems that the existing dispatching trader consumes a large amount of energy in the aspects of power transmission section monitoring, frequency monitoring and the like, and the working efficiency is low are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a block diagram of an intelligent alarm system for facilitating monitoring of a dispatcher trader according to an embodiment of the present invention.
Fig. 2 is another block diagram of an intelligent alarm system for facilitating monitoring of a dispatcher trader according to an embodiment of the present invention.
Fig. 3 is a block diagram of another intelligent alarm system for facilitating monitoring of a dispatcher trader according to an embodiment of the present invention.
Fig. 4 is a block diagram of another intelligent alarm system for facilitating monitoring of a dispatcher trader according to an embodiment of the present invention.
FIG. 5 is a flowchart illustrating steps of a method for facilitating intelligent alarm monitoring by a dispatcher for monitoring of traders, in accordance with an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the application provides an intelligent alarm system, an intelligent alarm method and terminal equipment convenient for monitoring of a dispatching trader, and aims to solve the technical problems that the existing dispatching trader consumes a great deal of energy in the aspects of power transmission section monitoring, frequency monitoring and the like and is low in working efficiency.
The first embodiment is as follows:
fig. 1 is a block diagram of an intelligent alarm system for facilitating monitoring of a dispatcher trader according to an embodiment of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an intelligent alarm system for monitoring a dispatching trader, which includes an SCADA module 10, a DSP module 20, a section monitoring and judging module 30, a unit output monitoring module 40, and a frequency monitoring module 50;
the SCADA module 10 is used for acquiring power grid operation data and transmitting the acquired power grid operation data to the DSP module 20;
the DSP module 20 is used for being connected with the SCADA module 10, sorting and classifying the power grid operation data and then transmitting the data to the section monitoring and judging module 30, the unit output monitoring module 40 and the frequency monitoring module 50;
a section monitoring and judging module 30, which is used for connecting with the DSP module 20, judging the load rate of each power transmission section and outputting a judgment result;
the unit output monitoring module 40 is used for connecting with the DSP module 20, judging the output of the generator unit and outputting a judgment result;
the frequency monitoring module 50 is used for connecting with the DSP module 20, judging whether the power grid frequency is out of limit or not and outputting a judgment result;
the power grid operation data comprises power grid frequency, power flow power of power transmission equipment and output of the generator set.
In the embodiment of the present invention, the SCADA module 10 includes a SCADA system, i.e., a data acquisition and monitoring control system, which is a computer-based DCS and power automation monitoring system.
It should be noted that the SCADA module 10 mainly collects power grid operation data, where the power grid operation data includes data of power grid frequency, power flow power of power transmission equipment, output of a generator set, and the like.
In the embodiment of the present invention, the DSP module 20 is mainly configured to classify the obtained power grid operation data and transmit the classified power grid operation data to the section monitoring and determining module 30, the unit output monitoring module 40, and the frequency monitoring module 50. Specifically, the DSP module 20 transmits the classified power flow power data of the power transmission equipment to the section monitoring and judging module 30, the DSP module 20 transmits the classified output power data of the generator set to the unit output monitoring module 40, and the DSP module 20 transmits the classified grid frequency data to the frequency monitoring module 50.
It should be noted that the DSP module 20 includes a DSP chip, which is also called a digital signal processor, and is a microprocessor particularly suitable for performing digital signal processing operations, and the main application of the microprocessor is to implement various digital signal processing algorithms in real time and quickly.
In the embodiment of the invention, the SCADA module 10 is electrically connected with the DSP module 20; the DSP module 20 is electrically connected to the cross-section monitoring and determining module 30, the unit output monitoring module 40, and the frequency monitoring module 50, respectively.
In the embodiment of the present invention, the section monitoring and determining module 30 mainly analyzes the load rate of the power transmission section according to the data of the power flow power of the power transmission equipment, and performs logical determination on the load rate of the power transmission section. The unit output monitoring module 40 mainly analyzes the output condition of the generator set according to the output data of the generator set and performs logic judgment on the output of the generator set. The frequency monitoring module 50 mainly analyzes whether the power grid operation is out of limit according to the data of the power grid frequency, and performs logic judgment on the power grid frequency.
It should be noted that the complex power grid operation data in the power grid operation is deeply processed and logically judged through the section monitoring judgment module 30, the unit output monitoring module 40 and the frequency monitoring module 50, a judgment result is output, an intelligent alarm is given according to the judgment result, the pressure of a dispatching trader in the monitoring aspect is reduced, and the situation perception of the dispatching trader on the power grid operation in the work process is enhanced.
The intelligent alarm system convenient for monitoring the dispatching trader acquires the grid operation data such as the grid frequency, the tidal current power of the power transmission equipment, the output of the generator set and the like through the SCADA module, the DSP module classifies the grid operation data and transmits the grid operation data to the section monitoring and judging module, the generator set output monitoring module and the frequency monitoring module for further processing and logic judgment, and outputs the judgment result, alarming according to the judgment result, the dispatching trader can know the conditions of power transmission section monitoring, frequency monitoring and the like of the power grid operation according to the alarming information, therefore, the working efficiency is improved, the pressure of a dispatching trader in the monitoring aspect is reduced, the situation perception of the dispatching trader on the operation of a power grid in the working process is enhanced, and the technical problems that the existing dispatching trader consumes a great deal of energy in the aspects of power transmission section monitoring, frequency monitoring and the like and is low in working efficiency are solved.
In an embodiment of the present invention, the section monitoring and determining module 30 performs a logic determination on the power transmission section of the power grid according to the power flow power of the power transmission equipment, specifically including:
calculating the load rate of the power transmission section corresponding to the power transmission equipment according to the power flow power of the power transmission equipment, and if the load rate is greater than a set load rate threshold value, obtaining the load rate of the power transmission section at the moment T0 and recording the load rate as a first load rate;
and obtaining the load rate of the power transmission section at the time of T1 after a set time, recording as a second load rate, and if the difference between the second load rate and the first load rate is greater than a load rate alarm threshold, outputting an alarm by the section monitoring and judging module.
The load rate of the transmission cross section is a ratio of a load actually borne by the transmission equipment to a rated load capacity of the transmission equipment, the load generally refers to power of the load, and in the present embodiment, the tidal current power of the transmission equipment refers to a load of a grid operation load. The section monitoring and judging module 30 has the following logic:
XT0＞A％；
XT1-XT0＞B％；
T1-T0＝C
wherein X is the load factor of the transmission section, A is the set load factor threshold, when the transmission section load factor is greater than A%, the timing is started, and the transmission section load factor is set as the first load factor XT0Setting the load rate of the transmission section after C minutes as a second load rate XT1If the load factor X of the transmission section is at this timeT1Power transmission section load factor X with starting timingT0If the difference is higher than the load rate alarm threshold B%, an alarm is output. In this embodiment, the set time is C, and B is 10.
In an embodiment of the present invention, the logic determination of the unit output monitoring module 40 specifically includes: obtaining the difference between the obtained actual output data of the generator set and the planned output data of the generator set to obtain an output difference value; and if the absolute value of the ratio of the output difference value to the planned output of the generator set is greater than the deviation threshold, the generator set output monitoring module outputs an alarm.
It should be noted that, the unit output monitoring module 40 has a determination logic of:
Figure BDA0002709189130000071
in the formula, PsIs the actual output of the generator set, PjAnd if the difference value between the actual output and the planned output of the generator set is greater than the deviation threshold value D%, outputting an alarm. In the present embodiment, D ═ 10.
In an embodiment of the present invention, the logic determination of the frequency monitoring module 50 specifically includes:
recording the absolute value of the difference between the obtained power grid frequency and the reference frequency as frequency deviation;
if the frequency deviation is larger than the first frequency deviation threshold value, the frequency monitoring module outputs an alarm;
and if the frequency deviation is smaller than the first frequency deviation threshold and larger than a second frequency deviation threshold, timing is started until the time exceeds a time threshold, and the frequency monitoring module outputs an alarm.
The reference frequency is 50 Hz. The decision logic of the frequency monitoring module 50 is:
|fs-50|＞Δfe1；
Δfe1＞|fs-50|＞Δfe2；
in the formula (f)sFor grid frequency,. DELTA.fe1Is a first frequency deviation threshold, Δ fe2Is a second frequency deviation threshold. Frequency f of the gridsDeviates from the reference frequency by 50Hz by a first frequency deviation threshold value delta fe1Outputting an alarm; if frequency f of the networksDeviation from the reference frequency by 50Hz is less than a first frequency deviation threshold Δ fe1But greater than a second frequency deviation threshold Δ fe2And starting timing, and outputting an alarm if the set time threshold E is exceeded. In the present embodiment, E is 60 seconds.
It should be noted that, the intelligent alarm system convenient for monitoring of the dispatching trader performs data acquisition and arrangement through the SCADA module 10 and the DSP module 20, and then performs mining processing and judgment on data through the section monitoring and judging module 30, the unit output monitoring module 40 and the frequency monitoring module 50, so as to form a clear alarm signal for the dispatching trader, and effectively enhance situation awareness of the power grid in real-time operation.
Fig. 2 is another block diagram of an intelligent alarm system for facilitating monitoring of a dispatcher trader according to an embodiment of the present invention.
As shown in fig. 2, in an embodiment of the present invention, the intelligent alarm system for facilitating monitoring of the dispatch trader further includes a display and alarm module 60, wherein the display and alarm module 60 is configured to display the judgment results output by the section monitoring judgment module 30, the unit output monitoring module 40 and the frequency monitoring module 50 and issue an alarm according to the results output by the section monitoring judgment module 30, the unit output monitoring module 40 and the frequency monitoring module 50.
It should be noted that the display function of the display and alarm module 60 may display and output alarm information through a display screen, and the alarm function of the display and alarm module 60 may perform voice broadcast on the output alarm through a buzzer, a speaker or a sound box, so as to facilitate the dispatching trader to monitor the operation of the power grid, handle the abnormality of the power grid in time, improve the stability of the operation of the power grid gradually, and reduce the pressure of the dispatching trader in monitoring.
Fig. 3 is a block diagram of another intelligent alarm system for facilitating monitoring of a dispatcher trader according to an embodiment of the present invention.
As shown in fig. 3, in an embodiment of the present invention, the intelligent alarm system for facilitating monitoring of the dispatching trader further comprises a switch 70, wherein the switch 70 is respectively connected with the section monitoring and judging module 30, the unit output monitoring module 40, the frequency monitoring module 50 and the display and alarm module 60.
It should be noted that the switch is a network device for forwarding electrical (optical) signals. It may provide an exclusive electrical signal path for any two network nodes accessing the switch. The switch 70 is located between the section monitoring and judging module 30, the unit output monitoring module 40, the frequency monitoring module 50 and the display and alarm module 60, and the judgment results output by the section monitoring and judging module 30, the unit output monitoring module 40 and the frequency monitoring module 50 are transmitted to the display and alarm module 60 through the switch 70.
Fig. 4 is a block diagram of another intelligent alarm system for facilitating monitoring of a dispatcher trader according to an embodiment of the present invention.
As shown in fig. 4, in an embodiment of the present invention, the intelligent alarm system for facilitating monitoring of the dispatcher trader further includes a database 80 connected to the switch 70, wherein the database 80 is used for storing the judgment results output by the section monitoring judgment module 30, the unit output monitoring module 40 and the frequency monitoring module 50.
It should be noted that a database is a "warehouse for organizing, storing, and managing data according to a data structure". A database is an organized, sharable, uniformly managed collection of large amounts of data that is stored long term within a computer. The database is a data set which is stored together in a certain mode, can be shared by a plurality of users, has the redundancy as small as possible, is independent from an application program, can be regarded as an electronic file cabinet, namely a place for storing electronic files, and can be used for adding, inquiring, updating, deleting and the like of data in the files. The database 80 is arranged to facilitate the dispatching trader to inquire the power grid operation historical data.
Example two:
FIG. 5 is a flowchart illustrating steps of a method for facilitating intelligent alarm monitoring by a dispatcher for monitoring of traders, in accordance with an embodiment of the present invention.
As shown in fig. 5, an embodiment of the present invention further provides an intelligent alarm method for facilitating monitoring of a dispatcher, including the following steps:
s1, acquiring power grid frequency of power grid operation, power flow power of power transmission equipment and output information data of a generator set;
s2, adopting the section monitoring and judging module, the unit output monitoring module and the frequency monitoring module of the intelligent alarm system convenient for monitoring the dispatching trader to respectively carry out logic judgment on the tidal current power of the power transmission equipment, the output of the power generating unit and the power grid frequency, and outputting a judging result according to whether the alarm logic is met;
and S3, storing the output judgment result into a database.
In the embodiment of the present invention, the contents of the steps in the second method are already described in detail in the first system, and the contents of the steps in the second method are not described in detail again.
The intelligent alarm method convenient for monitoring the dispatching trader provided by the invention obtains the power grid frequency, the power flow power of the power transmission equipment and the output information data of the generator set which run through the power grid, adopts the section monitoring and judging module, the generator set output monitoring module and the frequency monitoring module to mine and judge the data, forms a clear alarm signal for the dispatching trader, effectively enhances the situation perception of the power grid in real-time running, stores the judged result into the database, is convenient for the dispatching trader to inquire, and solves the technical problems that the existing dispatching trader consumes a lot of energy in the aspects of power transmission section monitoring, frequency monitoring and the like and has low working efficiency.
Example three:
embodiments of the present invention also provide a computer-readable storage medium for storing computer instructions, which when executed on a computer, enable the computer to execute the above-mentioned intelligent alarm method for facilitating monitoring of a dispatcher.
Example four:
the embodiment of the present invention further provides a terminal device, which is characterized by comprising a processor and a memory:
a memory for storing the program code and transmitting the program code to the processor;
and the processor is used for executing the intelligent alarm method which is convenient for monitoring the dispatching trader according to the instructions in the program codes.
Illustratively, a computer program may be partitioned into one or more modules/units, which are stored in a memory and executed by a processor to accomplish the present application. One or more modules/units may be a series of computer program instruction segments capable of performing certain functions, the instruction segments describing the execution of a computer program in a device.
The device may be a computing device such as a desktop computer, a notebook, a palm top computer, a cloud server, and the like. The device may include, but is not limited to, a processor, a memory. Those skilled in the art will appreciate that the device is not limited and may include more or fewer components than those shown, or some components may be combined, or different components, e.g., the device may also include input output devices, network access devices, buses, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage may be an internal storage unit of the computer device, such as a hard disk or a memory of the computer device. The memory may also be an external storage device of the computer device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), etc. provided on the computer device. Further, the memory may also include both internal and external storage units of the computer device. The memory is used for storing computer programs and other programs and data required by the computer device. The memory may also be used to temporarily store data that has been output or is to be output.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, methods and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system and method may be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, systems or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. An intelligent alarm system convenient for monitoring a dispatching trader is characterized by comprising an SCADA module, a DSP module, a section monitoring and judging module, a unit output monitoring module and a frequency monitoring module;
the SCADA module is used for acquiring power grid operation data and transmitting the acquired power grid operation data to the DSP module;
the DSP module is used for being connected with the SCADA module, sorting and classifying the power grid operation data and transmitting the sorted and classified power grid operation data to the section monitoring and judging module, the unit output monitoring module and the frequency monitoring module;
the section monitoring and judging module is connected with the DSP module, judges the load rate of each power transmission section and outputs a judgment result;
the unit output monitoring module is connected with the DSP module, judges the output of the generator unit and outputs a judgment result;
the frequency monitoring module is used for being connected with the DSP module, judging whether the power grid frequency is out of limit or not and outputting a judgment result;
the power grid operation data comprises power grid frequency, power flow power of power transmission equipment and output of a generator set;
the section monitoring and judging module carries out logic judgment on the power transmission section of the power grid according to the tidal current power of the power transmission equipment, and specifically comprises the following steps:
calculating the load rate of the power transmission section corresponding to the power transmission equipment according to the power flow power of the power transmission equipment, and if the load rate is greater than a set load rate threshold value, obtaining the load rate of the power transmission section at the moment T0 and recording the load rate as a first load rate;
and obtaining the load rate of the power transmission section at the time of T1 after a set time, recording as a second load rate, and if the difference between the second load rate and the first load rate is greater than a load rate alarm threshold, outputting an alarm by the section monitoring and judging module.
2. The intelligent alarm system convenient for monitoring of a dispatcher trader as in claim 1, wherein the crew contribution monitoring module logical judgment specifically comprises: obtaining the difference between the obtained actual output data of the generator set and the planned output data of the generator set to obtain an output difference value; and if the absolute value of the ratio of the output difference value to the planned output of the generator set is greater than the deviation threshold, the generator set output monitoring module outputs an alarm.
3. The intelligent alarm system facilitating dispatcher transaction agent monitoring of claim 1, wherein the frequency monitoring module logic determination specifically comprises:
recording the absolute value of the difference between the obtained power grid frequency and the reference frequency as frequency deviation;
if the frequency deviation is larger than a first frequency deviation threshold value, the frequency monitoring module outputs an alarm;
and if the frequency deviation is smaller than the first frequency deviation threshold and larger than a second frequency deviation threshold, timing is started until the time exceeds a time threshold, and the frequency monitoring module outputs an alarm.
4. The intelligent alarm system convenient for monitoring of dispatching traders according to claim 1, further comprising a display and alarm module for displaying the judgment results output by the section monitoring judgment module, the unit output monitoring module and the frequency monitoring module and giving an alarm according to the results output by the section monitoring judgment module, the unit output monitoring module and the frequency monitoring module.
5. The intelligent alarm system convenient for monitoring of dispatching traders according to claim 4, further comprising a switch, wherein the switch is respectively connected with the section monitoring and judging module, the unit output monitoring module, the frequency monitoring module and the display and alarm module.
6. An intelligent alarm system for facilitating monitor of dispatch traders as in claim 5, further comprising a database connected to the switch for storing the results of the determinations output by the section monitoring and determining module, the unit output monitoring module and the frequency monitoring module.
7. An intelligent alarm method convenient for monitoring of a dispatching trader is characterized by comprising the following steps:
the method comprises the following steps: acquiring power grid frequency of power grid operation, power flow power of power transmission equipment and output information data of a generator set;
step two: the section monitoring and judging module, the unit output monitoring module and the frequency monitoring module of the intelligent alarm system convenient for monitoring the dispatching trader according to any one of claims 1 to 6 are adopted to respectively carry out logic judgment on the tidal current power of the power transmission equipment, the output of the power generating unit and the power grid frequency, and a judgment result is output according to whether the alarm logic is met;
step three: and storing the output judgment result into a database.
8. A computer-readable storage medium storing computer instructions that, when executed on a computer, cause the computer to perform the intelligent warning method for facilitating dispatch trader monitoring of claim 7.
9. A terminal device, comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor, configured to execute the intelligent warning method for facilitating dispatcher monitoring of traders as recited in claim 7 in accordance with instructions in the program code.
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