CN101562343A - Energy-saving method of implementing electric power peak cutting and valley filling by adopting super capacitor - Google Patents
Energy-saving method of implementing electric power peak cutting and valley filling by adopting super capacitor Download PDFInfo
- Publication number
- CN101562343A CN101562343A CNA2009100150084A CN200910015008A CN101562343A CN 101562343 A CN101562343 A CN 101562343A CN A2009100150084 A CNA2009100150084 A CN A2009100150084A CN 200910015008 A CN200910015008 A CN 200910015008A CN 101562343 A CN101562343 A CN 101562343A
- Authority
- CN
- China
- Prior art keywords
- super capacitor
- energy
- power
- inverter
- peak
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides an energy-saving method of implementing electric power peak cutting and valley filling by adopting a super capacitor, comprising the following steps: a super capacitor module array is adopted to form high-capacity electricity-storage equipment; through connection with an inverter and a rectifier, a testing control switching module is merged into a commercial power network; the testing control switching module immediately tests the state of mains supply; during off-peak hours at night, the testing control switching module accesses low-price power of the power network and charges the low-price power into the super capacitor module array by rectifying to be stored to fill valley of the commercial power network; during peak hours in the day, the testing control switching module tests the peaks and immediately accesses the alternating current converted by the inverter into the commercial power network to supplement the power of the commercial power network so as to cut peaks of the commercial power network. Compared with the prior art, the method has the advantages of enjoying reasonable design, reliable structure and large storage amount, truly and actively realizing peak cutting and valley filling, relieving the circuit load of power plants, power transmission and transformation and users, being safe and environment-friendly and high in degree of automation, and saving money for the state and users, thereby having good popularizing prospect.
Description
Technical field
The present invention relates to a kind of grid alternating current memory technology, a kind of power-economizing method that utilizes super capacitor to implement the electric power peak load shifting of saying so to concrete mode, this device is applicable to various power plants, power transmission network, send transformer station and each to use electric unit.
Background technology
When daily civilian, industrial production, general peak of power consumption by day, and seldom in the electricity consumption at night, occurred the situation of " daytime, electricity was not enough, and evening, the no one used " like this, electrical network has been impacted big, and electric energy caused waste, voltage fluctuated also damages equipment.Owing to do not store facility, in case all electric energy of electricity consumption all will send from power plant,, all bearing high load capacity to subscriber's line from sending the power transformation system, in case there is the situation appearance of can't bear to bear load the centre, will have a strong impact on the electricity consumption in downstream.
Proposed " peak and valley time electricity price " policy at above situation electric power system, daytime, peak of power consumption was carried out high electricity price brownout, and night, low power consumption was carried out low electricity price encouragement electricity consumption.Although carried out this policy, the daily work and rest of people can't change, and the tou power price effect is very little, and is a lot of local in order to guarantee electricity consumption have to still the take measure of power cuts to limit consumption, influenced normal work and production.If newly go up power plant, electrical network has increased a lot of inputs, evening, but still idle production capacity caused very big waste.
Like this, power plant has increased input in vain, but still do not satisfy the electricity consumption on industrial civilian daytime, and the generating capacity of still leaving unused night is a kind of waste.The user has paid the electricity charge of price markup again in the peak time electricity consumption, also is a kind of waste.
Known energy-storage method has water lift accumulation of energy, Caes, storage battery accumulation of energy, brine electrolysis to produce the hydrogen accumulation of energy at present, above-mentioned variety of way all is that the energy that the electric energy of cheapness becomes easy storage when utilizing the electrical network low power consumption stores, and is used for generating again to the peak of power consumption period:
As the water lift accumulation of energy, exactly the water of low water level is mentioned in the reservoir of high water level and being stored, during to peak of power consumption, utilize water-head to drive hydraulic turbine generating;
As Caes, be to utilize the cheap electric energy of the low power consumption period of power plant to drive air compressor with air compression or liquefaction, during to peak of power consumption, utilize the compressed air-driven engine operation to drive generator for electricity generation then again;
The storage battery accumulation of energy is a cheap electric energy of utilizing the low power consumption period of power plant, charges into storage battery by rectification, during to peak of power consumption, utilizes inverter that the direct current in the storage battery is become alternating current again and sends into electrical network;
Brine electrolysis is produced the hydrogen accumulation of energy, be to utilize the cheap electric energy of the low power consumption period of power plant to become direct current by rectification, produce hydrogen and oxygen with the direct current brine electrolysis, the compression of hydrogen and oxygen is charged into gas cylinder to store, utilize the hydrogen fuel cell generating during to peak of power consumption, become alternating current through inverter again and send into electrical network.
Above-mentioned various accumulation of energy mode is not very desirable, ubiquity, cost height, floor space are big, can not guarantee in fail safe and useful life, need the geographical environment of jumbo high level water storage pond and low water level cistern such as the water lift accumulation of energy, be difficult for generally being applied.
Caes needs to build big capacity air accumulator, and processing technology difficulty and cost price are all well imagined.
The storage battery accumulation of energy, present widely used nickel-cadmium cell, lithium ion battery, lead acid accumulator, and nickel-cadmium cell, lithium ion battery, lead acid accumulator, not only the life-span is short, can only charge and discharge at most 600 times, and can not discharge fully, discarded battery waste liquid also can have huge pollution to environment.
Brine electrolysis is produced the hydrogen accumulation of energy, not only will consider the atmosphere storage problem, also will consider fail safe.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing energy accumulating technique, a kind of electric power peak load shifting battery saving arrangement that uses super capacitor is provided.
The electric power peak load shifting device of use super capacitor of the present invention, realize in the following manner, utilize the super capacitor module array to form big capacity electric energy storage device, incorporate utility grid into by inverter and rectifier joint detection control handover module, detect the instant detection of grid power supply state of control handover module, night is during low power consumption, detect the control handover module with electrical network at a low price electric energy insert, charge into the super capacitor module array stores instant utility grid of implementing of getting up by rectification and fill out paddy; Daytime is during peak of power consumption, detects the control handover module and detects the alternating current that peak of power consumption converts inverter to immediately and insert utility grid, utility grid carried out electric energy replenish and implement the utility grid peak clipping.
The invention has the beneficial effects as follows: adopt super capacitor to make the critical storage element, broken through the restriction in useful life of direct-flow storage battery, super capacitor can be charged to any current potential in the limit in its range of nominal tension, and can emit fully.Battery then is subjected to self chemical reaction restraint of labour in narrower voltage range, may cause permanent damage if cross to put.Storage system has adopted super capacitor, can charge and discharge continuously 500,000-1,000,000 times, anti-heavy-current discharge, do not contain harmful metal the useful life that has decades at least, is environment-friendly products, concrete structure of the present invention, by access device, bypath system, frequency conversion converting system, storage system, regularly/control system forms, electric current is guided to the frequency conversion converting system by access device, enters storage system and bypass again.
The state-of-charge of super capacitor (SOC) constitutes simple function with voltage, and the state-of-charge of battery then comprises the conversion of various complexity.
The traditional capacitance that super capacitor is suitable with its volume is compared and can be stored more energy, and the ultracapacitor that battery is suitable with its volume is compared and can be stored more energy.In the application of some power decision energy storage device sizes, super capacitor is a kind of better approach.
Super capacitor transmission of power pulse and do not have any adverse effect is repeatedly had a greatly reduced quality if opposite battery transmits its life-span of high power pulse repeatedly.
Super capacitor can then can suffer damage by fast charging and discharging battery fast charging and discharging.
Super capacitor can circulate hundreds thousand of times repeatedly, and an only hundreds of circulation of battery life
Super capacitor is without any memory effect.
Under the low temperature, the super capacitor capacitance is not decay almost, and battery can decay to the 60%-70% of marked capacity at low temperatures.
The electrolyte environmental pollution that battery uses is very big, and almost pollution-free after the super capacitor breakage.
Method of the present invention is compared with prior art, have reasonable in design, reliable in structure, memory space is big, the real peak load shifting of initiatively having realized, alleviated the power plant, sent power transformation, user's circuit load, safety and environmental protection, the automaticity height has all been saved the advantage of fund for enclosing family and user, has good value for applications.
Description of drawings
Accompanying drawing 1 is the structural representation of active super capacitor battery saving arrangement;
Embodiment
Explain below with reference to Figure of description the power-economizing method that utilizes super capacitor to implement the electric power peak load shifting of the present invention being done.
The power-economizing method that utilizes super capacitor to implement the electric power peak load shifting of the present invention, be to utilize the super capacitor module array to form big capacity electric energy storage device, incorporate utility grid into by inverter and rectifier joint detection control handover module, detect the instant detection of grid power supply state of control handover module, night is during low power consumption, detect the control handover module with electrical network electric energy access at a low price, charge into the super capacitor module array stores by rectification and get up to implement utility grid immediately to fill out paddy; Daytime is during peak of power consumption, detects the control handover module and detects the alternating current that peak of power consumption converts inverter to immediately and insert utility grid, utility grid carried out electric energy replenish and implement the utility grid peak clipping.
The energy saver that utilizes super capacitor to implement the electric power peak load shifting of the present invention, its structure is formed by detecting control handover module, inverter, rectifier and super capacitor energy-storage module array, detect the control handover module and be arranged between inverter and the rectifier, the super capacitor energy-storage module array divides two-way to be connected with rectifier with inverter.
Detecting the control handover module is made up of voltage, current sensor, single-chip microcomputer and electric power diverter switch, voltage, current sensor flow to single-chip microcomputer with the electric current and voltage delta data of utility grid, and single-chip microcomputer switches being connected of electrical network and inverter and rectifier immediately according to the peak load shifting Control Parameter of utility grid.
The super capacitor module array is that at least two group super capacitor modules connect to form with parallel connection or series system, and every group of super capacitor module is by being made up of 1 ultracapacitor at least.
System can be provided with bypass, in accumulate also power supply downstream simultaneously, does not influence the downstream and uses.By detecting the bypass of control handover module determine switch.
The present invention, to the real realization initiatively of national grid peak load shifting, saved national a huge sum of money, reduced the electrical network impact, the user has been saved the electricity charge, purified power supply, protected equipment.
Except that the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (4)
1, a kind of power-economizing method that utilizes super capacitor to implement the electric power peak load shifting, it is characterized in that, utilize the super capacitor module array to form big capacity electric energy storage device, incorporate utility grid into by inverter and rectifier joint detection control handover module, detect the instant detection of grid power supply state of control handover module, night is during low power consumption, detect the control handover module with electrical network at a low price electric energy insert, charge into the super capacitor module array stores instant utility grid of implementing of getting up by rectification and fill out paddy; Daytime is during peak of power consumption, detects the control handover module and detects the alternating current that peak of power consumption converts inverter to immediately and insert utility grid, utility grid carried out electric energy replenish and implement the utility grid peak clipping.
2, a kind of energy saver that utilizes super capacitor to implement the electric power peak load shifting, it is characterized in that, comprise and detect control handover module, inverter, rectifier and super capacitor energy-storage module array, detect the control handover module and be arranged between inverter and the rectifier, the super capacitor energy-storage module array divides two-way to be connected with rectifier with inverter.
3, according to claim 2 energy saver, it is characterized in that, detecting the control handover module is made up of voltage, current sensor, single-chip microcomputer and electric power diverter switch, voltage, current sensor flow to single-chip microcomputer with the electric current and voltage delta data of utility grid, and single-chip microcomputer switches being connected of electrical network and inverter and rectifier immediately according to the peak load shifting Control Parameter of utility grid.
4, according to claim 2 energy saver, it is characterized in that the super capacitor module array is that at least two group super capacitor modules connect to form with parallel connection or series system, every group of super capacitor module is by being made up of 1 ultracapacitor at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100150084A CN101562343A (en) | 2009-04-29 | 2009-04-29 | Energy-saving method of implementing electric power peak cutting and valley filling by adopting super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100150084A CN101562343A (en) | 2009-04-29 | 2009-04-29 | Energy-saving method of implementing electric power peak cutting and valley filling by adopting super capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101562343A true CN101562343A (en) | 2009-10-21 |
Family
ID=41221006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100150084A Pending CN101562343A (en) | 2009-04-29 | 2009-04-29 | Energy-saving method of implementing electric power peak cutting and valley filling by adopting super capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101562343A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624017A (en) * | 2012-03-22 | 2012-08-01 | 清华大学 | Battery energy storage system peak clipping and valley filling real-time control method based on load prediction |
| WO2014048096A1 (en) * | 2012-09-26 | 2014-04-03 | Liao Chungning | Energy saving device for peak and valley power supply of power grid |
| CN105048640A (en) * | 2015-09-07 | 2015-11-11 | 黄正义 | Cloud energy storage device |
| CN105811443A (en) * | 2016-03-30 | 2016-07-27 | 广东合即得能源科技有限公司 | Peak shaving and load shifting power supply system and method based on methanol water reforming hydrogen generation power generation system |
| CN108598606A (en) * | 2018-05-27 | 2018-09-28 | 贵州中伟资源循环产业发展有限公司 | A kind of waste and old dynamic lithium battery module detection and energy saving reparation ladder recovery system |
| CN108599328A (en) * | 2018-06-15 | 2018-09-28 | 深圳壹智云科技有限公司 | A kind of energy storage charge and discharge device that the trickle charge based on super capacitor is put soon |
| CN110752613A (en) * | 2019-10-29 | 2020-02-04 | 中氢新能技术有限公司 | Movable micro-grid system of fuel cell |
-
2009
- 2009-04-29 CN CNA2009100150084A patent/CN101562343A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624017A (en) * | 2012-03-22 | 2012-08-01 | 清华大学 | Battery energy storage system peak clipping and valley filling real-time control method based on load prediction |
| WO2014048096A1 (en) * | 2012-09-26 | 2014-04-03 | Liao Chungning | Energy saving device for peak and valley power supply of power grid |
| CN105048640A (en) * | 2015-09-07 | 2015-11-11 | 黄正义 | Cloud energy storage device |
| CN105811443A (en) * | 2016-03-30 | 2016-07-27 | 广东合即得能源科技有限公司 | Peak shaving and load shifting power supply system and method based on methanol water reforming hydrogen generation power generation system |
| CN108598606A (en) * | 2018-05-27 | 2018-09-28 | 贵州中伟资源循环产业发展有限公司 | A kind of waste and old dynamic lithium battery module detection and energy saving reparation ladder recovery system |
| CN108598606B (en) * | 2018-05-27 | 2021-06-29 | 贵州中伟资源循环产业发展有限公司 | Waste power lithium battery module detects and energy-conserving ladder recovery system of restoreing |
| CN108599328A (en) * | 2018-06-15 | 2018-09-28 | 深圳壹智云科技有限公司 | A kind of energy storage charge and discharge device that the trickle charge based on super capacitor is put soon |
| CN110752613A (en) * | 2019-10-29 | 2020-02-04 | 中氢新能技术有限公司 | Movable micro-grid system of fuel cell |
| CN112583048A (en) * | 2019-10-29 | 2021-03-30 | 中氢新能技术有限公司 | Movable micro-grid system of fuel cell |
| CN112583048B (en) * | 2019-10-29 | 2022-08-05 | 中氢新能技术有限公司 | Movable micro-grid system of fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| San Martín et al. | Energy storage technologies for electric applications | |
| Jallouli et al. | Sizing, techno-economic and generation management analysis of a stand alone photovoltaic power unit including storage devices | |
| CN101447677A (en) | Method and device for operating electric energy storage and power peak regulation | |
| CN102290841A (en) | Peak clipping and valley filling electric vehicle swapping station for distribution network | |
| CN107579698A (en) | A kind of photovoltaic plant energy storage method | |
| CN101562343A (en) | Energy-saving method of implementing electric power peak cutting and valley filling by adopting super capacitor | |
| CN102185327A (en) | Reversible fuel cell-based high-capacity power energy storage device | |
| CN104682448A (en) | Operation and monitoring method for battery energy storage power station based on power prediction | |
| CN204179989U (en) | Based on the scene oil complementary power generation system of DC bus | |
| CN102170168A (en) | Control method for wind-photovoltage-diesel power generation system | |
| CN108233713A (en) | A kind of non-isolated three-port DC switch converters and its control method | |
| CN103312006A (en) | Multiple-energy complementary independent power generation system | |
| CN205646940U (en) | Store up electric automobile from net type scene and fill electric pile | |
| Moradzadeh et al. | Energy storage fundamentals and components | |
| CN202034790U (en) | Large-capacity electric power energy storage device | |
| Hauer | Advances in Energy Storage: Latest Developments from R&D to the Market | |
| CN205176917U (en) | Take into account microgrid energy storage power station system of economic nature aassessment | |
| Ding et al. | Solar electrical energy storage | |
| CN2717092Y (en) | Solar energy, wind power and diesel power generation and battery bank integrated AC power supply | |
| Rajabinezhad et al. | Electrical energy storage devices for active buildings | |
| CN102340150A (en) | Electric vehicle charging station and method for charging electric vehicle | |
| Tao et al. | Research on super-capacitor and battery hybrid energy storage system applied in micro-grid | |
| CN202949236U (en) | Distributed power supply control system | |
| CN206412798U (en) | A kind of accumulator control device suitable for grid-connected power generation system | |
| KR101510154B1 (en) | Charge system for energy storage apparatus, Portable charging device applied for it and Method of charging for energy storage apparatus using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091021 |