CN103606918A - Electric power system load monitoring and energy consumption management system and implementation method thereof - Google Patents
Electric power system load monitoring and energy consumption management system and implementation method thereof Download PDFInfo
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- CN103606918A CN103606918A CN201310612086.9A CN201310612086A CN103606918A CN 103606918 A CN103606918 A CN 103606918A CN 201310612086 A CN201310612086 A CN 201310612086A CN 103606918 A CN103606918 A CN 103606918A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The invention discloses an electric power system load monitoring and energy consumption management system and an implementation method of the system. The system comprises a test monitoring unit, an interface circuit and a processing center, wherein the test monitoring unit is used for completing test monitoring on electric power load parameters and comprises a signal sensing unit, a signal processing unit, a transmitter and a control module, the signal sensing unit is used for acquiring all parameters of electric power loads, the parameters are transmitted to the control module after being filter and converted into identifiable signals through the transmitter, and data are processed and stored by the control module; the interface circuit is used for transmitting signals; the test monitoring unit is connected with the processing center; the processing center is connected with the interface circuit and used for comprehensively analyzing data. According to the electric power system load monitoring and energy consumption management system and the implementation method of the system, energy consumption of electric power system loads is monitored in real time, and operation safety and reliability of the system are improved; proper reactive compensation is performed on an electric power system, a network voltage can be stabilized, the transmission capacity of a power transmission network is improved, power factors are improved, the utilization rate of equipment is improved, and active power loss of a network is reduced.
Description
Technical field
The present invention relates to electric power energy efficiency management field, relate in particular to a kind of power system load monitoring and energy consumption management system and its implementation.
Background technology
The platform that grid company is distributed rationally as energy resources, it is the state-owned important leading enterprise that is related to national energy security and the national economic development, also be that upstream and downstream industry energy conservation is reduced discharging to the special enterprises that plays certain guiding function, in energy-saving and emission-reduction work, have obligation one can't decline.As power supply enterprise, carry out scientific development, save the Thoughts of development, optimize, improve electric network composition, improve transmitting capacity of the electric wire netting and utilization ratio, reduce power transmission and distribution loss, carry out in a down-to-earth manner energy-saving and cost-reducing work, be duty-bound social responsibility.The high-power electric equipment using for the electric power system Potential Evaluation of saving energy and reduce the cost, the saving energy and decreasing loss appraisal procedure of high-power electric equipment in research electric power system, realize electrical network efficiency test and management, for the energy-saving and cost-reducing planning of electric power system with technological transformation is provided fundamental basis and engineering basis, realistic meaning is great.
Energy information system rises in the seventies in the application of developed country, passes through the development of decades through having reached higher level.Energy management system be in the world the mid-90 the systematic energy-saving technology that grows up, current energy management system is mainly used in the Process Industry that iron and steel, chemical industry, electric power etc. have mass energy to consume.It utilizes the energy resource system of production process control technology, the network communications technology, optimum theory and technology ，Dui enterprise comprehensively monitor and for energy scheduling provides foundation, reach the object of energy savings by systematized management.
In China, the assessment of electric power system saving energy and decreasing loss does not also form formal testing standard.Take power plant's converter plant as example, and converter plant performance test comprises the test of converter plant power savings, efficiency test, power factor test, startability test, harmonic wave test, static accuracy test, the test of output voltage degree of asymmetry, motor vibration and noise test etc.Power plant, except being concerned about power savings, is also extremely concerned about converter plant efficiency, because use the object of converter plant to economize on electricity exactly, if the power that converter plant consumes is large, uses converter plant just to lose meaning.There are the following problems for current converter plant efficiency test: most converter plants are not with special power measurement mechanism, install PT additional at the scene temporarily, the CT number of winning the confidence is also difficult, because converter plant input/output signal distance may be far away, with sample mode, be all not easy to accomplish reading simultaneously; Power instrument is subject to the restriction of frequency range, because its electric current, voltage signal are the signal of frequency conversion, Variable Amplitude; Converter plant loss is less, and input-output power must Measurement accuracy, the therefore necessary reading simultaneously of converter plant input and output when carrying out efficiency test.There is larger error in artificial reading, can not meet the required precision of efficiency, when actual tests, and the situation that the efficiency recording by the method usually there will be efficiency to be greater than 1; Converter plant prime transformer is generally many taps, and bad installing PT, CT, be not easy obtaining current, voltage signal, the accurate efficiency of test frequency converter's efficiency and transformer, the whole efficiency that can only test converter plant.
Summary of the invention
Object of the present invention is exactly in order to address the above problem, propose a kind of power system load monitoring and energy consumption management system and its implementation, this system can Real-Time Monitoring power system load terminal, and when electric load exceeds standard, carry out control, effectively carry out managing power consumption.
To achieve these goals, the present invention adopts following technical scheme:
Power system load monitoring and an energy consumption management system, comprise test monitoring means, interface circuit and processing center; Wherein,
Test monitoring means, be used for electric load parameter testing monitoring, comprise sensing unit, signal processing unit, transmitter and control module, sensing unit gathers the parameters of electric load, being passed to signal processing unit carries out by transmitter, being converted into after discernible signal after filtering, removal of impurities, amplification, pass to control module, control module is processed, is stored data;
Interface circuit, for transmission of signal, the bridge as processing center with the exchange message of test monitoring means; Connecting test monitoring means and processing center;
Processing center, connecting interface circuit, for comprehensively analyzing data, electric load being managed; Comprise NML and IPC key-course,
IPC key-course, for managing test monitoring means concentratedly, is connected with interface circuit with NML;
NML, for the controller of managing I PC key-course, and forms ethernet local area network by inner hub, is cascaded to other power load management system network.
The processor adopting LPC2124 of described control module, adopts 16/31 ARM7TDMI-S core, a plurality of 32 bit timing devices, 4 10, tunnel ADC.
Described sensing unit comprises transformer detecting unit, motor monitoring means, frequency converter monitoring means, reactive power compensator monitoring means and transmission line parameter monitoring unit, respectively transformer, load motor, frequency converter, reactive power compensator and transmission line is carried out to parameter monitoring.
The implementation method that adopts above-mentioned power system load monitoring and energy consumption management system, specifically comprises the following steps:
(1) initialization: each controller of system, transducer are carried out to initialization;
(2) image data: utilize each collection, the monitoring means of sensing unit to carry out parameter acquisition to each part in power system load;
(3) canonical parameter is set: by preliminary image data and electric load is calculated in detail, the scope of electric current, voltage, power and the energy consumption parameter of electric load is set, input control module is stored;
(4) data analysis, processing: test monitoring means is by the transfer of data gathering to IPC key-course, and the core controller of IPC key-course carries out analytical calculation to it, generate parameter curve and show;
(5) efficiency test: by NML, the electric load efficiency of each local area network (LAN) is contrasted, analyzed, undesired load is carried out power-off, reports to the police and process.
Beneficial effect of the present invention is:
1, Real-Time Monitoring power system load energy consumption, raising system property safe and reliable to operation;
2, electric power system is carried out to suitable reactive power compensation, can stablize line voltage, improve the transmittability of power transmission network, improve power factor, improve utilization rate of equipment and installations, reduce network active power loss;
3, different power consumption equipments, power utilization environment are carried out to different analyses, processing, realize distributing rationally of electric energy.
Accompanying drawing explanation
Fig. 1 is hardware configuration schematic diagram of the present invention;
Fig. 2 is flow chart of the present invention.
Wherein, 1, transformer detecting unit; 2, motor monitoring means; 3, frequency converter monitoring means; 4, reactive power compensator monitoring means; 5, transmission line parameter monitoring unit; 6, signal processing unit; 7, transmitter; 8, control module; 9, interface circuit; 10, NML; 11, IPC key-course.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, a kind of power system load monitoring and energy consumption management system, comprise test monitoring means, interface circuit 9 and processing center; Wherein,
Test monitoring means, be used for electric load parameter testing monitoring, comprise sensing unit, signal processing unit 6, transmitter 7 and control module 8, sensing unit gathers the parameters of electric load, being passed to signal processing unit 6 carries out by transmitter 7, being converted into after discernible signal after filtering, removal of impurities, amplification, pass to control module 8,8 pairs of data of control module are processed, are stored;
Interface circuit 9, for transmission of signal, the bridge as processing center with the exchange message of test monitoring means; Connecting test monitoring means and processing center;
Processing center, connecting interface circuit 9, for comprehensively analyzing data, electric load being managed; Comprise NML 10 and IPC key-course 11,
IPC key-course 10, for managing test monitoring means concentratedly, is connected with interface circuit 9 with NML 11;
NML 11, for managing I PC key-course 10, and forms ethernet local area network by inner hub, is cascaded to other power load management system network.
The processor adopting LPC2124 of control module 8, adopts 16/31 ARM7TDMI-S core, a plurality of 32 bit timing devices, 4 10, tunnel ADC.
Sensing unit comprises transformer detecting unit 1, motor monitoring means 2, frequency converter monitoring means 3, reactive power compensator monitoring means 4 and transmission line parameter monitoring unit 5, respectively transformer, load motor, frequency converter, reactive power compensator and transmission line is carried out to parameter monitoring.
As shown in Figure 2, a kind of control flow that adopts above-mentioned power system load monitoring and energy consumption management system, specifically comprises the following steps:
(1) initialization: each controller of system, transducer are carried out to initialization;
(2) image data: utilize each collection, the monitoring means of sensing unit to carry out parameter acquisition to each part in power system load;
(3) canonical parameter is set: by preliminary image data and electric load is calculated in detail, the scope of electric current, voltage, power and the energy consumption parameter of electric load is set, input control module is stored;
(4) data analysis, processing: test monitoring means is by the transfer of data gathering to IPC key-course 10, and the core controller of IPC key-course 10 carries out analytical calculation to it, generate parameter curve and show;
(5) efficiency test: by NML 11, the electric load efficiency of each local area network (LAN) is contrasted, analyzed, undesired load is carried out power-off, reports to the police and process.
Interface circuit 9 for system (or circuit), has adopted USB, CAN, PXI and DAQ totally 4 kinds of standard interface buses or standard interface according to different standard interface bus conversion input, output signal in native system
The server software components of system as directed of NML 11 is by the various data of local area network (LAN) or internet automatic or manual scheduling transformer station, and the various parameters of industrial computer can be long-rangely set and real time remote gathers each number of test points certificate, can realize unattended operation and automatically move; Have operation record, failure logging and warning function, data can form show, curve shows and make form etc.WEB service is provided, and by local area network (LAN) or the external distributing data of internet and curve, user can use the direct browsing data of IE browser and curve.
Main collection, processing and the analysis of being responsible for field data of software systems part of IPC key-course 10, IPC key-course 10 gathers the detection data of each test point by sensing unit, and image data is analyzed and processed.User can arrange the various relevant parameters of test point and the Diagnostic parameters of all kinds of electric equipments; Can be automatically or manual collecting test point detection data in real time; Collection period and the sample frequency of all kinds of electric equipments are set flexibly; Various operations all have operation record, error logging and fault alarm function; To each measuring point data collecting, can show with form and curve, and can make report printing.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (4)
1. power system load monitoring and an energy consumption management system, is characterized in that: comprise test monitoring means, interface circuit and processing center; Wherein,
Test monitoring means, be used for electric load parameter testing monitoring, comprise sensing unit, signal processing unit, transmitter and control module, sensing unit gathers the parameters of electric load, being passed to signal processing unit carries out by transmitter, being converted into after discernible signal after filtering, removal of impurities, amplification, pass to control module, control module is processed, is stored data;
Interface circuit, for transmission of signal, the bridge as processing center with the exchange message of test monitoring means; Connecting test monitoring means and processing center;
Processing center, connecting interface circuit, for comprehensively analyzing data, electric load being managed; Comprise NML and IPC key-course, wherein:
IPC key-course, for managing test monitoring means concentratedly, is connected with interface circuit with NML;
NML, for managing I PC controller, and forms ethernet local area network by inner hub, is cascaded to other power load management system network.
2. a kind of power system load monitoring as claimed in claim 1 and energy consumption management system, is characterized in that: the processor adopting LPC2124 of described control module, adopts 16/31 ARM7TDMI-S core, a plurality of 32 bit timing devices, 4 10, tunnel ADC.
3. a kind of power system load as claimed in claim 1 is monitored and energy consumption management system, it is characterized in that: described sensing unit comprises transformer detecting unit, motor monitoring means, frequency converter monitoring means, reactive power compensator monitoring means and transmission line parameter monitoring unit, respectively transformer, load motor, frequency converter, reactive power compensator and transmission line are carried out to parameter monitoring.
4. an implementation method that adopts above-mentioned power system load monitoring and energy consumption management system, is characterized in that: specifically comprise the following steps:
(1) initialization: each controller of system, transducer are carried out to initialization;
(2) image data: utilize each collection, the monitoring means of sensing unit to carry out parameter acquisition to each part in power system load;
(3) canonical parameter is set: by preliminary image data and electric load is calculated in detail, the scope of electric current, voltage, power and the energy consumption parameter of electric load is set, input control module is stored;
(4) data analysis, processing: test monitoring means is by the transfer of data gathering to IPC key-course, and the core controller of IPC key-course carries out analytical calculation to it, generate parameter curve and show;
(5) efficiency test: by NML, the electric load efficiency of each local area network (LAN) is contrasted, analyzed, undesired load is carried out power-off, reports to the police and process.
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Cited By (2)
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| CN106712296A (en) * | 2017-01-09 | 2017-05-24 | 深圳市前海电能技术有限公司 | Online monitoring and managing system for electric power |
| CN111917114A (en) * | 2020-08-20 | 2020-11-10 | 国网湖南省电力有限公司 | Power load event detection method suitable for embedded platform |
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