CN204316187U - The energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power - Google Patents
The energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power Download PDFInfo
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- CN204316187U CN204316187U CN201420562325.4U CN201420562325U CN204316187U CN 204316187 U CN204316187 U CN 204316187U CN 201420562325 U CN201420562325 U CN 201420562325U CN 204316187 U CN204316187 U CN 204316187U
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- 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
- Y02E40/30—Reactive power compensation
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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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
- 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
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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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
- Y04S40/126—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 wireless data transmission
Abstract
The energy-conservation Comprehensive Control the complete sets of equipment of the utility model intelligent electric power, be made up of power module, parameter acquisition module, analysis module, control module, magnet controlled reactor the complete sets of equipment module, capacitor installation module, intelligent control module, communication module and data memory module, power module provides DC power supply; Parameter acquisition module acquires electrical network parameter; Analysis module proposes overall electric power energy-saving scheme; Control module regulates the parameter of magnet controlled reactor and system, Dynamic tracing feedback; Magnet controlled reactor and capacitor installation module regulate magnet controlled reactor parameter, continuously adjusting inductance continuously, regulate impedance continuously; Intelligent control module automation and intelligentification manages; Communication module realizes computer and wireless communication; Data memory module realizes data and stores and data resource sharing.The utility model effectively improves electric power energy-saving effect, solves the problems such as power saving device is separate, components and parts repeat installation, equipment precision is low, energy-saving effect is poor.
Description
Technical field
The utility model relates to the comprehensive automatic control of electric power energy-saving and the complete sets of equipment of intelligent management, and specifically the energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power, belong to electrical network and power consumption equipment field of energy-saving technology.
Background technology
In recent years, the progress fast-developing and scientific and technical along with social economy, modern industry, service trade and residential electricity consumption equipment increase rapidly, and supply district constantly increases; Particularly employ a large amount of cable lines in urban distribution network, line mutual-ground capacitor is increased and forms very large capacity current, cause circuit terminal voltage rising in electrical network, line loss increases, supply power consumption efficiency to reduce; Especially household electrical appliance and office equipment are as colour TV, convertible frequency air-conditioner, computer, communication apparatus etc., and the extensive use of various automatic production line, automatic control system, frequency control equipment, fine measuring instrument equipment etc. in industrial production, these device interiors all contain a large amount of commutation inversion devices or device, as Switching Power Supply, frequency converter and fluorescent lamp etc., produce a large amount of harmonic waves.Add that other nonlinear-loads in electrical network and using electricity system, impact load, interference load increase day by day, also constantly affect the quality of power supply.These loads are in operation, not only can produce a large amount of reactive powers power factor is reduced cause power consumption efficiency low, produce a large amount of harmonic waves and work the mischief to electrical network and equipment, and voltage rising and three-phase imbalance can be produced, reduce the security reliability of power consumption equipment, cause the generation of security incident, the safe operation of serious threat electric power system, forms multiple waste of energy problem.
At present, in electricity supplying and using system, the reason of waste of energy mainly contains: cause power consumption efficiency reduction, the voluminous raw energy loss of harmonic wave and harm, voltage to raise the energy loss etc. of waste of energy and the three-phase load unbalance generation formed because power factor is low.Solution mainly takes independent method of administering for some concrete waste of energy problems.Such as: for the low problem of power factor, static or dynamic reactive power compensation is adopted power factor to be improved and stablizes; For harmonic problem, adopt passive or active filter filtering characteristic harmonics; Raise problem for voltage, adopt pressurizer or fixed reactor to realize voltage stabilization.Also there is impedance path reactive power compensation local road design being become some characteristic harmonics, make this branch road while realizing reactive power compensation, have passive filtering function.Above-mentioned technical method; there is equipment separate; function singleness; control randomization; components and parts repeat to install (such as often overlap and all need measurement, control, protection system etc.); the problem such as equipment precision low (such as static reactive power compensation and passive filtering), capacity little (such as pressurizer, uninterrupted power supply and active filter), costly (such as active filter), whole energy weak effect.
Because parameter each in power index is at physics or mathematically there is theoretical transformation relation, influences each other or mutually transform in electrical network, electricity supplying and using system requires to possess globality, comprehensive comprehensive power consumption controls.Independently solve some or concrete in a certain respect waste of energy problem, there is one-sidedness.The equipment installed or instrument because the existence of other waste of energy or power quality problem, the precision of its energy-saving effect, equipment and reliability concerns.
Therefore, need multianalysis for waste of energy problem, take comprehensive overall electric power energy-saving measure.Functionally wish can realize continuous stepless smooth adjustment, Dynamic tracing feedback, automatically control.In effect, it is desirable to reach improve and firm power factor to improve utilization rate of electrical, reduce the economic penalties be subject to because power factor is low, avoid idle electricity consumption (reversion is just counted), minimizing line loss; Control and burning voltage to avoid because voltage raises the power wastage caused; Control and stablize circuit system power to avoid the power wastage because reactive current, harmonic current and circulation cause; Eliminate and reduce harmonic current with the loss reducing harmonic wave and cause and harm; Improvement system three-phrase burden balance situation, to reduce electric power system and transformer neutral point electric current, reduces power supply and uses electric loss.In expense, it is desirable to conveniently equipment and ripe components and parts to configure, can short-term regain; Wishing can combined with intelligent electrical network and the requirement of digital integrated transformer station, realizes comprehensive automatic control and protection, realizes intelligent management.
Utility model content
The deficiency that the utility model exists for prior art, provides a kind of intelligent electric power energy-conservation Comprehensive Control the complete sets of equipment.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power, are made up of power module, power utilization parameters collection module, electric power energy-saving analysis module, electric power energy-saving control module, magnet controlled reactor module, capacitor module, intelligent control module, communication module and data memory module.Wherein:
Described power module provides DC power supply for each module;
Described power utilization parameters collection module is electrically connected with described power module, analysis module and data memory module, for gathering the parameter of electrical network comprehensively;
Described analysis module is electrically connected with described power utilization parameters collection module, control module, intelligent control module and data memory module, for proposing comprehensive overall electric power energy-saving scheme;
Described control module is electrically connected with described analysis module, magnet controlled reactor module, capacitor module, intelligent control module and data memory module, different control strategies is worked out for after every technical scheme that receiving and analyzing module provides, the control objectives restrictions such as setting average power factor, implement Comprehensive Control;
The input of described magnet controlled reactor module and capacitor module is all electrically connected with described control module, output is electrically connected with described intelligent control module, for regulating magnet controlled reactor parameter continuously, power factor is improved and stablizes, regulates continuously impedance to make voltage stabilization, continuously adjusting inductance realize dynamic harmonic, regulate impedance to make three-phrase burden balance continuously;
Described intelligent control module is electrically connected with described analysis module, control module, magnet controlled reactor module, capacitor module and communication module, and described communication module is electrically connected with described data memory module, for realizing comprehensive automation control and intelligent management;
Described communication module realizes computer network communication and wireless communication;
The data that described data memory module realizes vast capacity store and data resource sharing.
Power module is utilized to provide DC power supply for each module; Utilize power utilization parameters collection module to gather electrical network parameter comprehensively; Electric power energy-saving analysis module is utilized to propose comprehensive whole energy scheme; Utilize electric power energy-saving control module, regulate the parameter of magnet controlled reactor and system, Dynamic tracing feedback; Utilize magnet controlled reactor module and capacitor module to regulate magnet controlled reactor that power factor is improved continuously and stablize, regulate continuously impedance to make voltage stabilization, continuously adjusting inductance realize dynamic harmonic, regulate impedance to make three-phrase burden balance continuously; Intelligent control module is utilized to realize comprehensive automation control and intelligent management; Utilize communication module to realize computer network summary communication slightly to communicate with wireless network; Utilize data memory module to realize vast capacity data to store and data resource sharing.Effective raising electric power energy-saving effect, solves that current electric power energy-saving apparatus function is single, equipment is separate, the problem such as components and parts repeat to install, equipment precision is low, installed capacity is little costly, whole energy weak effect.
Power module is changed by A/D, for module each in device provides DC power supply.
Power utilization parameters collection module passes through voltage transformer, current transformer and transducer, gather the voltage of electrical network or power consumption equipment, electric current, active power, reactive power, harmonic current, crest power consumption, trough power consumption, the power consumption parameter such as total power consumption, the chart that automatic generation is relevant, be depicted as voltage change curve, curent change curve, active power change curve, reactive power change curve, power factor change curve, harmonic current spectrogram, crest power consumption curve, trough power consumption curve, total power consumption curve, form lists the maximum of each power consumption parameter, minimum value, mean value, 5% probability and 95% probability etc., institute's image data is converted to pulse synchronous signal to export.
After the parameter that electric power energy-saving analysis module reception power utilization parameters collection module provides, the factor of analyzing influence energy consumption, comprising: power factor impact, voltage influence, harmonic current impact, reactive current impact, circulation impact.Carry out idle electricity charge analysis, three-phase equilibrium analysis, energy consumption analysis, total electricity charge analysis.By the contrast with electric power energy-saving target; comprehensive analysis and judgement go out every waste of energy problem; comprehensive overall electric power energy-saving technical scheme is proposed; comprise: dynamic reactive power compensation scheme, dynamic harmonic scheme, system voltage and equipment voltage control scheme, system power and device current control program, three-phrase burden balance and zero sequence current compensation scheme, and the overall control and protection scheme of the complete sets of equipment, system or equipment allocation plan, system or equipment distribution and arrangement requirement, output parameter and communicating requirement etc.
After the every technical scheme of comprehensive overall electric power energy-saving that electric power energy-saving control module receiver module provides, DSCCPU main frame develops different control strategies according to every technical scheme, sets the restriction of every control objectives, implements Comprehensive Control.By changing the angle of flow of magnet controlled reactor thyristor, continuously smooth regulates the inductance value of magnet controlled reactor and the lagging reactive power of output; By automatic switching Capacitor banks or varying capacitors group connected mode, the capacitance of regulating capacitor group and the capacitive reactive power of output.Continuous stepless regulates lagging reactive power, and the power factor improving also systems stabilisation and equipment, to improve utilization rate of electrical, reduces the economic penalties be subject to because power factor is low, avoids idle electricity consumption (reversion is just counted), reduces line loss; The impedance of continuously smooth adjusting circuit, makes the voltage stabilization of system or equipment in rated range to avoid because voltage raises the power wastage caused; Continuously smooth regulates magnet controlled reactor inductance value to make filter branch impedance realize dynamic harmonic, elimination close to zero or reduces harmonic current with the loss reducing harmonic wave and cause and harm; Control and systems stabilisation electric current to avoid the power wastage because reactive current, harmonic current and circulation cause; The impedance of continuously smooth adjusting circuit makes three-phase load and Three-Phase Transformer output current balance, reduces the electric current of electric power system and transformer neutral point, reduces power supply and use electric loss.
Magnet controlled reactor module is made up of parts such as magnet controlled reactor body, excitation con-trol valve group, switch, instrument transformer, lightning arrester, fuse, relaying protections.Magnet controlled reactor is the principle that application direct current helps excitation, utilize the direct current magnetizing reacance device be attached on magnet controlled reactor iron core unshakable in one's determination, by regulating the magnetic saturation degree of magnet controlled reactor iron core to change magnetic permeability unshakable in one's determination, realizing continuously smooth and regulating the inductance value of magnet controlled reactor and the lagging reactive power of output.Magnet controlled reactor body is made up of parts such as iron core, winding, shell and excitation winding.
Capacitor module is made up of parts such as Capacitor banks, switch, instrument transformer, discharge coil, lightning arrester, fuse, relaying protections.Capacitor banks is the condenser capacity needed according to dynamic reactive power compensation, or the capacitance of the capacitor to determine according to dynamic harmonic and three-phase equilibrium, series and parallel connections is carried out to the capacitor selected, and then be divided into one or more groups, each group capacitor forms a branch road, and each branch circuit parallel connection is on same bus.
Intelligent control module is by automatic tracing-positioning system, power consumption automatic diagnosis and reporting system, automatic decision PIAPACS with administrating system, composition intelligent management platform.Namely open track and localization function after intelligent control module Installation and Debugging, carry out dynamically tracking, automatically location, unifying identifier; Be equipped with remote transmission function, intelligent management platform and computer networking, by data Real-time Feedback to platform to control device working condition at any time, realize remote transmission and monitor in real time.Be equipped with auto-report function, after the electrical energy parameter that auto modification is relevant, intelligent management platform sends instruction to system.In real time by computer network communication the parameter such as voltage, electric current, power, power factor, power consumption of system is gathered, analyzes, processed, automatically generate chart, realize telemetry function; By radio communication, in real time intelligent management platform is sent to information such as the complete sets of equipment running status, protection act warnings, realizes remote signaling function; By radio communication, intelligent management platform sends regulating parameter value to the control system of the complete sets of equipment, regulates set point or regulate setting value instruction, realizes remote control and remote regulating function.Electric power energy-saving composite control apparatus intelligent management platform is consistent with the intelligent control technology of intelligent grid and digital integrated transformer station.
Communication module is made up of computer network communication system and wireless network communications system.The computer communication system of electric power energy-saving composite control apparatus inside, uploads remote signalling and remote measurement numerical value according to KS232/485 communication interface and modbus stipulations.The word display menu formula man-machine interaction in full of the 32 above remote control amounts in road, can show various running status and data in real time, information is directly perceived in detail, and operation, debugging conveniently, can arrange the device components such as system and controlled reactor parameter flexibly.The wireless network communications system of electric power energy-saving composite control apparatus outside, according to digitlization and visualization requirements, realizes human-computer dialogue.
Data memory module is made up of vast capacity data-storage system, Data Resources Shared System and wireless network communications system.Electric energy quality comprehensive control device carries out unified encoded register, unified management service, and set up and have unique identity recognition function, can chase after this north source, all-the-way tracking, all data are stored in data-storage system.The information occurred from power module to data memory module overall process in device, comprise the information of the data of collection, data results, overall Treatment process scheme, remote regulating signal, alarm signal, trip signal and regular timing statistical summaries, all be stored in data-storage system, realize data resource sharing.The data analysis record being not less than 10000 historical reports occurred recently and more than 10 years can be preserved in the information record of data memory module, power down can keep whole data stored.
The beneficial effects of the utility model are:
1, realize the comprehensive overall electric power energy-saving to waste of energy problems such as the energy losses that the excessive electricity consumption causing because power factor is low power consumption efficiency reduces, harmonic wave fecund is raw energy loss and harm, voltage to raise to be formed and three-phase load unbalance produce, effectively solve that current electric power energy-saving apparatus function is single, equipment is separate, components and parts repeat problems such as installing, equipment precision is low, energy-saving effect is poor, the little expense of installed capacity is high.
2, realize the function of continuously smooth adjustment, Dynamic tracing feedback, control automatically, reach raising utilization rate of electrical, reduce the economic penalties be subject to because power factor is low, avoid idle electricity consumption (reversion is just counted), reduce line loss; Avoid because voltage raises the power wastage caused; Avoid the power wastage because reactive current, harmonic current and circulation cause; The loss that minimizing harmonic wave causes and harm; Minimizing electric power system and transformer neutral point electric current are to reduce the loss.Conveniently equipment and the configuration of ripe components and parts, can short-term regain, expense is low.
3, be embodied as the automatic track and localization of covering device, the automatic diagnosis of waste of energy problem and report, automatic decision process and automatically control, realize electric power energy-saving comprehensive automation and control.
4, possess the function of intelligent management platform, by computer network slightly and cordless communication network, realize the functions such as remote measurement, remote signalling, remote control and remote regulating, realize intelligent management, energy-efficient.Intelligent management platform is consistent with the intelligent control technology of intelligent grid or digital integrated transformer station.
5, can reach and improve power factor to increase electric network transportation ability, reduce harmonic content and improve the quality of power supply, stablize line voltage raising electric network reliability, extension device useful life.
6, the complete sets of equipment have the forms such as seriation, standardization, modularization, integrated and one-machine-multi-function, a tractor serves several purposes, a machine be changeable, can meet the requirement of different industries to electric power energy-saving.
7, little, the adjustable range of the complete sets of equipment floor space greatly, does not produce electromagnetic interference, free from environmental pollution, unattended operation.
Accompanying drawing explanation
Fig. 1 is the complete sets of equipment system principle flow chart;
Fig. 2 is magnet controlled reactor schematic diagram in the complete sets of equipment;
Fig. 3 is Dynamic Reactive Power Compensation Principle figure in the complete sets of equipment;
Fig. 4 is dynamic harmonic schematic diagram in the complete sets of equipment.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power, are made up of power module, power utilization parameters collection module, electric power energy-saving analysis module, electric power energy-saving control module, magnet controlled reactor module, capacitor module, intelligent control module, communication module and data memory module.Wherein:
Described power module 1 provides DC power supply for each module;
Described power utilization parameters collection module 2 is electrically connected with described power module, analysis module and data memory module, for gathering the parameter of electrical network comprehensively;
Described analysis module 3 is electrically connected with described power utilization parameters collection module, control module, intelligent control module and data memory module, for proposing comprehensive overall electric power energy-saving scheme;
Described control module 4 is electrically connected with described analysis module, magnet controlled reactor module, capacitor module, intelligent control module and data memory module, different control strategies is worked out for after every technical scheme that receiving and analyzing module provides, the control objectives restrictions such as setting average power factor, implement Comprehensive Control;
The input of described magnet controlled reactor module 5 and capacitor module 6 is all electrically connected with described control module, output is electrically connected with described intelligent control module, for regulating magnet controlled reactor parameter continuously, power factor is improved and stablizes, regulates continuously impedance to make voltage stabilization, continuously adjusting inductance realize dynamic harmonic, regulate impedance to make three-phrase burden balance continuously;
Described intelligent control module 7 is electrically connected with described analysis module, control module, magnet controlled reactor module, capacitor module and communication module, described communication module 8 is electrically connected with described data memory module 9, for realizing comprehensive automation control and intelligent management;
Described communication module 8 realizes computer network communication and wireless communication;
The data that described data memory module 9 realizes vast capacity store and data resource sharing.
Be illustrated in figure 1 the system principle flow chart of the energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power, wherein power module 1 is changed by A/D, in the complete sets of equipment, other each modules provide DC power supply.
Power utilization parameters collection module 2 passes through voltage transformer, current transformer and transducer, gather the voltage of power consumption equipment, electric current, active power, reactive power, harmonic current, crest power consumption, trough power consumption, the power consumption parameter such as total power consumption, the chart that automatic generation is relevant, be depicted as voltage change curve, curent change curve, active power change curve, reactive power change curve, power factor change curve, harmonic current spectrogram, crest power consumption curve, trough power consumption curve, total power consumption curve, form lists the maximum of each power consumption parameter, minimum value, mean value, 5% probability and 95% probability etc., institute's image data is converted to pulse synchronous signal to export.
After electric power energy-saving analysis module 3 have received the parameter that power utilization parameters collection module 2 provides, the factor of analyzing influence energy consumption, comprising: power factor impact, voltage influence, harmonic current impact, reactive current impact, circulation impact.Carry out idle electricity charge analysis, three-phase equilibrium analysis, energy consumption analysis, total electricity charge analysis.By the contrast with energy conservation object, comprehensive analysis finds that this enterprise exists the problem of following waste of energy: 1) average power factor COS Φ < 0.7, average 10.3 ten thousand yuan of the economic penalties be monthly subject to; 2) equipment average voltage raises Δ U > 12%UN, is up to 22%, monthly accounts for 16% of total electricity charge because voltage raises the power wastage caused; 3) characteristic harmonic current content I3=26.7%I, I5=13.5%I, 4) in device current, reactive current, harmonic current and circulation content account for the > 36%, 5 of total current) Three-Phase Transformer output current uneven Δ I > 18%IN.Comprehensive overall electric power energy-saving technical scheme is taked according to above-mentioned waste of energy problem; comprise: dynamic reactive power compensation scheme, dynamic harmonic scheme, system voltage and equipment voltage control scheme, system power and device current control program, three-phrase burden balance and zero sequence current compensation scheme; and the overall control and protection scheme of the complete sets of equipment, system or equipment allocation plan, system and device distribution arrangement requirement etc., such scheme is exported to electric power energy-saving control module 4.The control objectives restrictions such as after electric power energy-saving control module 4 receives every technical scheme that electric power energy-saving analysis module 3 provides, wherein different control strategies worked out by DSCCPU main frame, setting average power factor, implement Comprehensive Control.
Be illustrated in figure 2 magnet controlled reactor schematic diagram in the energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power, by changing the angle of flow of magnet controlled reactor thyristor, the lagging reactive power of smooth adjustment magnet controlled reactor inductance value and output.
Be illustrated in figure 3 dynamic reactive power compensation schematic diagram in the energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power, devise three capacitor compensation branch roads, pass through automatic switching, the capacitive reactive power that regulating capacitor the complete sets of equipment export, the power factor measured value of system after compensating: COS Φ >=0.98.The impedance of continuously smooth adjusting circuit, actual measurement equipment voltage stabilization is at Δ U < ± 3%UN.
Be illustrated in figure 4 the dynamic harmonic schematic diagram of the energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power, devise three dynamic harmonic branch roads, the inductance value of magnet controlled reactor is regulated by continuously smooth, the impedance of harmonic wave control branch road is close to zero, characteristic harmonic current content I3=1.6%I is surveyed, I5=0.5%I after filtering.The impedance of continuously smooth adjusting circuit, three-phase load and Three-Phase Transformer output current tend to balance, actual measurement Δ I < 3.3%IN.
By taking the comprehensive overall electric power energy-saving technical schemes such as above-mentioned dynamic reactive power compensation, dynamic harmonic, system and the control of equipment voltage control, system and device current, three-phrase burden balance and zero sequence current compensation; and take rational overall control and protection, Equipments Setting, device distribution; this enterprise realize that overall electric power energy-saving reaches total electricity consumption 16.6%, economic benefit is considerable.And, while electric power energy-saving, improve this enterprise's transformer and the conveying capacity with electrical network 30%, improve the quality of power supply, improve electric network reliability, extend service life of equipment.
Magnet controlled reactor module 5 is made up of parts such as magnet controlled reactor body, excitation con-trol valve group, switch, instrument transformer, lightning arrester, fuse, relaying protections, and magnet controlled reactor body is made up of parts such as iron core, winding, shell and excitation winding.Capacitor module 6 is made up of parts such as Capacitor banks, switch, instrument transformer, discharge coil, lightning arrester, fuse, relaying protections; capacitor is divided into three groups after series and parallel connections; each group capacitor forms a branch road, and three branch circuit parallel connections are on same bus.
Intelligent control module 7 prepares automatic tracing-positioning system, power consumption automatic diagnosis and reporting system, automatic decision PIAPACS with administrating system, composition intelligent management platform.Open track and localization function after module 7 Installation and Debugging, carry out dynamically tracking, automatically location, unifying identifier; Be equipped with remote transmission function, intelligent management platform and computer networking, by data Real-time Feedback to platform to control device working condition at any time, realize remote transmission and monitor in real time.Be equipped with auto-report function, after the electrical energy parameter that auto modification is relevant, intelligent management platform sends instruction to system.In real time by computer network communication the parameter such as voltage, electric current, power, power factor, power consumption of system is gathered, analyzes, processed, automatically generate chart, achieve telemetry function; By radio communication, in real time intelligent management platform is sent to information such as the complete sets of equipment running status, protection act warnings, achieves remote signaling function; By radio communication, intelligent management platform sends regulating parameter value to the control system of the complete sets of equipment, regulates set point or regulate setting value instruction, achieves remote control and remote regulating function.Electric power energy-saving composite control apparatus intelligent management platform is consistent with the intelligent control technology of intelligent grid and digital integrated transformer station.
Communication module 8 uploads remote signalling and remote measurement numerical value according to KS232/485 communication interface and modbus stipulations.Configure the full text importing of 32 tunnel remote control amount, display running status and data, according to digitlization and visualization requirements, realize menu mode man-machine interaction and human-computer dialogue in real time.
Store the information that 9 overall processes occur from power module 1 to data in data memory module 9, comprise the information of the data of collection, data results, Integral Control Technology scheme, remote regulating signal, alarm signal, trip signal and regular timing statistical summaries, all be stored in data memory module, realize data resource sharing.The data analysis record of 10000 historical reports occurred recently and more than 10 years can be preserved in the information record of data memory module, power down can keep whole data stored.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (1)
1. the energy-conservation Comprehensive Control the complete sets of equipment of intelligent electric power, it is characterized in that, it is made up of power module (1), power utilization parameters collection module (2), analysis module (3), control module (4), magnet controlled reactor module (5), capacitor module (6), intelligent control module (7), communication module (8) and data memory module (9), wherein:
Described power module (1) provides DC power supply for each module;
Described power utilization parameters collection module (2) is electrically connected with described power module (1), analysis module (3) and data memory module (9), for gathering the parameter of electrical network comprehensively;
Described analysis module (3) is electrically connected with described power utilization parameters collection module (2), control module (4), intelligent control module (7) and data memory module (9), for proposing comprehensive overall electric power energy-saving scheme;
Described control module (4) is electrically connected with described analysis module (3), magnet controlled reactor module (5), capacitor module (6), intelligent control module (7) and data memory module (9), different control strategies is worked out for after every technical scheme that receiving and analyzing module provides, the control objectives restrictions such as setting average power factor, implement Comprehensive Control;
The input of described magnet controlled reactor module (5) and capacitor module (6) is all electrically connected with described control module (4), output is electrically connected with described intelligent control module (7), for regulating magnet controlled reactor parameter continuously, power factor is improved and stablizes, regulates continuously impedance to make voltage stabilization, continuously adjusting inductance realize dynamic harmonic, regulate impedance to make three-phrase burden balance continuously;
Described intelligent control module (7) is electrically connected with described analysis module (3), control module (4), magnet controlled reactor module (5), capacitor module (6) and communication module (8), described communication module (8) is electrically connected with described data memory module (9), for realizing comprehensive automation control and intelligent management;
Described communication module (8) realizes computer network communication and wireless communication;
The data that described data memory module (9) realizes vast capacity store and data resource sharing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217308A (en) * | 2018-10-23 | 2019-01-15 | 重庆重开电气有限公司 | Energy saving and efficiency increasing system based on power monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217308A (en) * | 2018-10-23 | 2019-01-15 | 重庆重开电气有限公司 | Energy saving and efficiency increasing system based on power monitoring |
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Granted publication date: 20150506 Termination date: 20160926 |