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CN104092246B - A kind of electric energy distribution method of the compound network system utilizing marine tidal-current energy to generate electricity - Google Patents

A kind of electric energy distribution method of the compound network system utilizing marine tidal-current energy to generate electricity Download PDF

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CN104092246B
CN104092246B CN201410361514.XA CN201410361514A CN104092246B CN 104092246 B CN104092246 B CN 104092246B CN 201410361514 A CN201410361514 A CN 201410361514A CN 104092246 B CN104092246 B CN 104092246B
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power
compound
state
network system
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CN104092246A (en
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张莹博
许伟
杨建锋
李明辉
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Guodian United Power Technology Co Ltd
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Guodian United Power Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/20Climate change mitigation technologies for sector-wide applications using renewable energy

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Abstract

The invention discloses a kind of compound network system utilizing marine tidal-current energy to generate electricity, including the micro-capacitance sensor subsystem being made up of intermittent energy source electricity generation system, energy-storage system, local load, also include being incorporated to the tidal current energy generating system of described micro-capacitance sensor subsystem, external electrical network system.The invention provides above-mentioned compound network system electric energy distribution method under multiple running status.The present invention is by the electric energy distribution method provided multiple forms of energy to complement each other, both the more weak island of power supply capacity or the electricity consumption needs of coastal region had been can guarantee that, but also when the energy is had more than needed, external electrical network can be fed, obtain certain economic benefit, significant to development strand and Island Economy.In the present invention, marine tidal-current energy generating equipment depends on existing Large Bridge Pier and carries out installing and can going out more than the water surface in equipment fault time shift, can save or be greatly reduced cost the beneficially maintenance of equipment and the maintenance of crew base.

Description

A kind of electric energy distribution method of the compound network system utilizing marine tidal-current energy to generate electricity
Technical field
The present invention relates to marine tidal-current energy technical field of power generation, particularly relate to a kind of utilize marine tidal-current energy to generate electricity Compound network system and electric energy distribution method thereof.
Background technology
Marine tidal-current energy generating is the technology of the kinetic energy power generation utilizing trend, typically without building a dam, has ring The advantages such as border impact is little, are paid close attention to the most widely, and marine tidal-current energy generation technology develops quickly.
At present the system of energy supply of powering under the conditions of outlying district and isolated island is mostly the micro-of the type of providing multiple forms of energy to complement each other Network system, such as patent application (application number: 201310264451.1, publication date is 2013.9.18) In disclose a kind of Multiple-energy complementary independent power generation system, including solar power generation unit, wind power generation list Unit, Wave-energy generating unit, biomass power generation unit, diesel-driven generator, power control unit, Sea water desalting equipment and monitoring unit.This invention is only combined with the system equipment that may carry out generating electricity, and The various working of correlation combiner is not illustrated and do not sets up and the associating and feedback of external electrical network. And this invention medium wave wave energy generating set uses buoyancy wobble plate form, and wobble plate bottom is hinged on position, seabed Putting, installation cost is high, and is unfavorable for safeguarding.Harbin Engineering University's master thesis " allusion quotation in 2012 Provide multiple forms of energy to complement each other the research of electric station load distribution technique in type island " (author: Zhaoyang) discloses island Provide multiple forms of energy to complement each other electric station load distribution technique, only to single micro-grid system multiple resource mode of operation and Conversion is described and illustrates, equally under multiple limit state with the associating and feedback of external electrical network It is not directed to.
As can be seen here, the above-mentioned existing Multiple-energy complementary independent power generation system utilizing marine tidal-current energy, structure, In method and use, it is clear that still suffered from inconvenience and defect, and be urgently further improved.How Can found a kind of installation cost low, be beneficial to maintenance and carry out the new profit that supply and demand coordinates with external electrical network By the compound network system of marine tidal-current energy generating, become the target that current industry pole need to be improved.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of compound electrical network system utilizing marine tidal-current energy to generate electricity System so that it is ensure that electricity needs during micro-capacitance sensor subsystem electricity shortage, thus overcome existing The deficiency of stand alone generating system.
For solving above-mentioned technical problem, the present invention provides a kind of compound electrical network system utilizing marine tidal-current energy to generate electricity System, including the micro-capacitance sensor subsystem being made up of intermittent energy source electricity generation system, energy-storage system, local load System, also includes being incorporated to the tidal current energy generating system of described micro-capacitance sensor subsystem, external electrical network system.
Improving further, described tidal current energy generating system includes marine tidal-current energy generator group, described marine tidal-current energy Generating set depends on Large Bridge Pier and installs.
Improving further, described marine tidal-current energy generator group is connected by mainframe and fixing with mainframe Generating set cantilever is fixedly installed in around Large Bridge Pier, and described mainframe is installed on and is fixed on Bridge On machine unit support on pier, described mainframe is positioned at below the water surface, and vertically can move on Large Bridge Pier Dynamic.
Improve further, between described mainframe and machine unit support, be provided with locking device and damping device.
Improving further, described mainframe is arranged around Large Bridge Pier, with the outer surface phase of Large Bridge Pier Coordinating, described mainframe is Split type structure, removably connects between described Split type structure.
Improving further, described intermittent energy source electricity generation system includes that wind generator system and/or photovoltaic are sent out Electricity system.
Improving further, described compound network system also includes the biomass power generation system being incorporated to compound electrical network One or more in system, small power station's system, diesel power generation system.
Additionally, the present invention also to solve the technical problem that is to provide a kind of compound electrical network system provided multiple forms of energy to complement each other The electric energy distribution method of system so that it is ensure that the need for electricity of local load, thus overcome existing The deficiency of stand alone generating system.
For solving above-mentioned technical problem, the invention provides the electric energy distribution side of above-mentioned compound network system Method, including following several states:
State 1: under current state, the power P of tidal current energy generating system outputSIt is 0, intermittent energy source Electricity generation system output PWIt is 0, the charge power P of energy-storage systemBCWith discharge power PBFIt is not the most 0, I.e. under this state, the power of energy-storage system is unsaturated but be disconnected with the dc bus of described compound network system Open state, local load PLBeing 0, external electrical network feeds back to the power P of described compound network systemGOFor 0, the most whole compound network system is resting state;
State 2: under current state, the power P of tidal current energy generating system outputSIt is 0, intermittent energy source Electricity generation system output PWIt is 0, local load PLIt is not 0, the discharge power P of energy-storage systemBFNo It is 0, and PBFMore than PLTime, energy-storage system individually gives local load supplying, if PBFReach maximum electric discharge During state, local load PLStill needing to continued power, now external electrical network feeds back to described compound electrical network system The power P of systemGOIt is not 0, is i.e. given local load supplying by external electrical network;
State 3: under current state, tidal current energy generating system and/or intermittent energy source electricity generation system defeated Go out power and be designated as PS+PWIt is not 0, local load PLIt is 0 or less than PS+PW, energy-storage system is acceptable to be filled Electrical power PBCNot being 0, now energy-storage system accepts charging until charging complete i.e. PBC=0, if now PS+PWStill greater than PL, the power P of the most described compound network system supply external electrical networkGIFor PS+PW-PL
State 4: under current state, tidal current energy generating system and/or intermittent energy source electricity generation system defeated Go out power and be designated as PS+PWIt is not 0, local load PLMore than PS+PW, energy-storage system can accept discharge power PBFNot being 0, now energy-storage system and electricity generation system supply local load simultaneously, until energy-storage system can Accept discharge power PBFWhen being 0, if now local load PLStill greater than PS+PW, now electricity generation system and External electrical network is supplied simultaneously to local load, and external electrical network feeds back to the power P of described compound network systemGO For PL-PS-PW
State 5: under current state, if water flow velocity and/or wind speed are beyond can generating equipment in electricity generation system Generating safety range, then beyond generating safety range generating equipment access power consumption load pattern, will Power consumption load counts local load PL, the most respectively with reference to above-mentioned state 1 to 4;
In described state 1 to 5, the electric energy of compound network system distributes by being arranged in compound network system Compound power grid control unit integrating control.
Improving further, described compound network system also includes the biomass power generation system being incorporated to compound electrical network One or more in system, small power station's system, diesel power generation system, described biomass power generation system, The output P of the one or more electricity generation systems in small power station's system, diesel power generation systemRCount In the state 1 to 5 of described compound network system, by described compound power grid control unit integrating control.
Improve further, when the actual power of described energy-storage system is less than the 20% of general power, energy-storage system Stop electric discharge, now remember PBF=0;When the actual power of energy-storage system is higher than the 80% of general power, storage System can stop charging, now remember PBC=0.
Using above-mentioned technical scheme, the present invention at least has the advantage that
(1) present invention uses the technical scheme that marine tidal-current energy generates electricity, auxiliary wind-power electricity generation, solar electrical energy generation, Other energy electricity generation system, energy-storage system, with the cooperation that external electrical network carries out supply and demand, powering Island or coastal region that ability is more weak use, and both can guarantee that the electricity consumption needs of regional area, but also When the energy is had more than needed, external electrical network can be fed, obtain certain economic benefit, to development shore Sea and Island Economy are significant.
(2) present invention can be embodied in marine tidal-current energy resource than more rich straits or region, river course, especially It is the marine tidal-current energy generating base structure having and depending on existing bridge foundation stake, makes tidal current energy generating system Installation save the expense of base structure, reduce cost, install again corresponding in this base structure Lift structure, with ensure unit when breaking down, unit can be raised to the water surface by lifting means Above, the beneficially maintenance of marine tidal-current energy generator group and maintenance.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention Means, below in conjunction with accompanying drawing, the present invention is described in further detail with detailed description of the invention.
Fig. 1 is the compound network system composition schematic diagram that the present invention utilizes marine tidal-current energy to generate electricity;
Fig. 2 is the mounting structure schematic diagram of marine tidal-current energy generating equipment in the present invention;
Fig. 3 is the detailed schematic of A in Fig. 2.
Detailed description of the invention
1 is visible with reference to the accompanying drawings, and the present invention is combined network system and includes tidal current energy generating system, intermittence Energy electricity generation system, other energy electricity generation system, energy-storage system, local load, external electrical network system And compound power grid control unit.
Marine tidal-current energy is the novel renewable energy of application in the present invention, and tidal current energy generating system includes trend Can generating equipment and connected electric current and the conversion equipment of voltage, this conversion equipment and compound electrical network The dc bus of system connects, with ensure the electric energy of marine tidal-current energy generating equipment delivered constant to dc bus, PSRepresent the power of marine tidal-current energy generating equipment output.
Intermittent energy source electricity generation system includes wind generator system, photovoltaic generating system etc., and other are intermittent The system of energy generating, but do not include tidal current energy generating system, the present invention is with wind generator system as generation Table is stated.Wind generator system includes wind power plant and connected electric current and voltage Conversion equipment, this conversion equipment is connected with the dc bus of compound network system, to ensure wind-power electricity generation The electric energy of equipment delivered constant is to dc bus, PwRepresent the power that this subsystem exports.
Other energy electricity generation system, the such as generating such as biomass power generation, small power station, diesel power generation system System, it is ensured that under anhydrous, calm condition, the normal startup of system.PRRepresent that other energy electricity generation system is defeated The power gone out.
Energy-storage system is mainly used to store tidal current energy generating system, intermittent energy source electricity generation system is had more than needed Electric energy, and it is used for supplying the electric energy of local load when wind, water resource deficiency, energy-storage system includes Energy storage device and connected electric current and the conversion equipment of voltage, this conversion equipment and compound electrical network system The dc bus of system connects, to ensure that the electric energy of energy storage device delivered constant is to dc bus, Yi Jibao Card energy-storage system obtains constant electric energy when accepting charging.PBCRepresent energy-storage system acceptable charging merit Rate, PBFRepresent that energy-storage system can accept discharge power.In terms of the safety and reliability of energy-storage system Considering, when the actual power of energy-storage system is less than the 20% of general power, system stops electric discharge, now remembers PBF=0;When the actual power of energy-storage system is higher than the 80% of general power, system stops charging, now remembers PBC=0;I.e. it is believed that the working range of energy-storage system is the 20%-80% of general power.
Local load includes general household electricity load and commercial power load etc., and this system also includes The equipment such as transformator, to ensure local load safe handling electric energy, use PLRepresent load general power.
Above-mentioned tidal current energy generating system, intermittent energy source electricity generation system, other energy electricity generation system, storage Can system and local load composition micro-capacitance sensor subsystem.
External electrical network in external electrical network system can be national grid, it is also possible to for CHINA SOUTHERN POWER, This system also includes connecting external electrical network and the electric current of dc bus in micro-capacitance sensor subsystem and turning of voltage Exchange device, to ensure micro-capacitance sensor subsystem or the safety of external electrical network system, PGIRepresent micro-capacitance sensor The power of system supply external electrical network, PGORepresent that external electrical network feeds back to the power of micro-capacitance sensor subsystem.
Compound power grid control unit has power-balance control, energy-storage system charge and discharge control, local negative Lotus controls the control mutual with external electrical network and overspeed protection, the system of DC bus-bar voltage protection The functions such as stable operation control.Compound power grid control unit is by the analysis to duty, according to water Flow velocity or wind speed and the change of local load, that is correlated with the multiple electric energy in compound electrical network is integrated Control management.
Hereinafter the state being likely to occur in the present invention is described:
State 1: under current state, without water resource, (refers to produce the incision water of electric energy without wind-resources Flow velocity or cut wind speed and the resource cut out between water flow velocity or cut-out wind speed, lower with), marine tidal-current energy generates electricity The power P of system outputSIt is 0, wind generator system output PWIt is 0, the charging merit of energy-storage system Rate PBCWith discharge power PBFNot being the most 0, i.e. under this state, the power of energy-storage system is unsaturated but and direct current Bus is off-state.Local load PLAlso it is 0, the most not power demand P of external electrical networkGO, Now whole system is resting state;
State 2: under current state, without water resource, without wind-resources, the merit of tidal current energy generating system output Rate PSIt is 0, wind generator system output PWIt is 0, now local load PLIt is not 0, energy storage system The discharge power P of systemBFIt is not 0, and PBF> PL, then energy-storage system individually gives local load supplying.If PBFWhen reaching maximum discharge condition, and local load PLNeeding continued power, now external electrical network is anti- The power P of compound network system of feedingGOIt is not 0, is i.e. given local load supplying by external electrical network;
State 3: under current state, has water resource and (or) a wind-resources, tidal current energy generating system and (or) The output of wind generator system is designated as PS+PW, currently without local load PLDemand or local load PL Less than electricity generation system output i.e. PS+PW> PL, energy-storage system can accept charge power PBCIt is not 0, Now energy-storage system accepts charging until charging complete i.e. PBC=0, if the most still PS+PW> PL, the most Remaining power PS+PW-PLIt is input to external electrical network, is designated as PGI
State 4: under current state, has water resource and (or) a wind-resources, tidal current energy generating system and (or) The output of wind generator system is designated as PS+PW, current local load PLDemand is defeated more than electricity generation system Go out power i.e. PS+PW< PL, energy-storage system can accept discharge power PBFIt is not 0, and energy-storage system can The output short time accepting discharge power and electricity generation system can meet local load PL, until storage System can accept discharge power PBFIt is 0, if the most still PS+PW< PL, the most unnecessary power demand PL-PS-PWCan only obtain from external electrical network, be designated as PGO
State 5: under current state, has water resource and (or) a wind-resources, but water flow velocity and (or) Wind speed beyond can the generating safety range of generating equipment, then beyond can the generating equipment of generation range access Power consumption load pattern, counts local load P by power consumption loadL, the most respectively with reference to above-mentioned State 1 to 4;
State 6: can be by the output P of other energy electricity generation systemsRCount above-mentioned compound network system Various states, jointly control.
The present invention effectively utilizes multiple renewable energy sources, especially tidal current energy generating system is added compound electric Net system forms the compound network system of a kind of new-type type of providing multiple forms of energy to complement each other, and effectively optimizes multiple Close the energy source configuration structure of electrical network, while not only can meeting local load, it is also possible to by unnecessary Electric energy is input to external electrical network, has obvious economic benefit.
The present invention is combined network system and should set up in marine tidal-current energy resource than more rich continent or ground, island District, optimum sets up between the continent of existing Large Bridge Pier and island, island and island, because this Bright middle tidal current energy generating system has the marine tidal-current energy generating base structure depending on existing Large Bridge Pier.Ginseng Visible according to accompanying drawing 2, this marine tidal-current energy generating base structure includes existing Large Bridge Pier 1, at this Bridge Being provided with marine tidal-current energy generator pack support 2 on pier 1, the installation of machine unit support 2 is according to requirement of actual working condition Firmly installing, the fixed position of machine unit support 2 is the position that most preferably generates electricity below (river) plane of sea.
Tidal current energy generating system in the present invention also includes mainframe 3, marine tidal-current energy generator group 4, generating Unit cantilever 5, hoisting mechanism 6 and maintenance work platform 7.Generating set cantilever 5 is solid with mainframe 3 Dingan County fills, and marine tidal-current energy generator group 4 is installed on generating set cantilever 5, and mainframe 3 is installed on machine On pack support 2.Consolidating and being easily installed for mainframe 3, mainframe 3 is around Large Bridge Pier 1 Arrange, match with the outer surface of Large Bridge Pier 1.Mainframe 3 is Split type structure, each Split type structure Between bolt or other dismountable structures can be used to connect.In order to beneficially marine tidal-current energy generator group exists Running into maintenance during fault, hoisting mechanism 6 can use gear & rack structure that unit is promoted to sea (river) More than plane, safeguarded by maintenance work platform 7 and keep in repair.As hoisting mechanism 6 one is real Executing example, hoisting mechanism 6 includes the gear being arranged on mainframe 3, connects this gear and hoisting mechanism The tooth bar of upper bracket and promote the power-equipment that rack-and-pinion performs relative motion.
3 is visible referring to the drawings, is provided with locking between marine tidal-current energy generator pack support 2 and mainframe 3 Device 201 and damping device 202.The effect of locking device 201 is to protect during the operation of marine tidal-current energy generator group Consolidating of card mainframe 3.The effect of damping device 202: one is to alleviate marine tidal-current energy generator group dive Time impact to Large Bridge Pier, two is to alleviate vibration when marine tidal-current energy generator group is run.
The present invention depends on the marine tidal-current energy mounting structure pattern of existing bridge bridge pier, at the base ensureing safety Save the expense of base structure on plinth, reduce cost, and be beneficial to trend owing to having hoisting mechanism The maintenance of energy generating set and maintenance.
Marine tidal-current energy generation technology is accessed local micro-grid system by the present invention, makes full use of strand or island The renewable energy power generation of periphery, can reduce pollution and the destruction of environment, protection strand or island Environment;The present invention uses the scheme provided multiple forms of energy to complement each other, and not only ensures that the power supply capacity such as strand or island is more weak The need for electricity in region;And by accessing bulk power grid, it is ensured that the use when regenerative resource deficiency Electricity demand, it is also possible to electric energy supply external electrical network when regenerative resource is had more than needed, it is to avoid renewable energy Waste unnecessary time having more than needed in source, produces certain economic benefit, to development strand and Island Economy tool Significant.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any form On restriction, those skilled in the art utilize the technology contents of the disclosure above make a little simple modification, Equivalent variations or modification, all fall within protection scope of the present invention.

Claims (8)

1. utilize an electric energy distribution method for the compound network system that marine tidal-current energy generates electricity, described compound electric Net system, including the micro-capacitance sensor being made up of intermittent energy source electricity generation system, energy-storage system, local load Subsystem, also includes tidal current energy generating system and the external electrical network system being incorporated to described micro-capacitance sensor subsystem, It is characterized in that, the electric energy distribution method of described compound network system includes following several state:
State 1: under current state, the power P of tidal current energy generating system outputSIt is 0, intermittent energy source Electricity generation system output PWBeing 0, energy-storage system can accept charge power PBCWith acceptable discharge power PBFNot being the most 0, i.e. under this state, the power of energy-storage system is unsaturated but straight with described compound network system Stream bus is off-state, local load PLBeing 0, external electrical network feeds back to described compound network system Power PGOBeing 0, the most whole compound network system is resting state;
State 2: under current state, the power P of tidal current energy generating system outputSIt is 0, intermittent energy source Electricity generation system output PWIt is 0, local load PLNot being 0, energy-storage system can accept discharge power PBFIt is not 0, and PBFMore than PLTime, energy-storage system individually gives local load supplying, if PBFReach maximum During discharge condition, local load PLStill needing to continued power, now external electrical network feeds back to described compound electric The power P of net systemGOIt is not 0, is i.e. given local load supplying by external electrical network;
State 3: under current state, tidal current energy generating system and/or intermittent energy source electricity generation system defeated Go out power and be designated as PS+PWIt is not 0, local load PLIt is 0 or less than PS+PW, energy-storage system is acceptable to be filled Electrical power PBCNot being 0, now energy-storage system accepts charging until charging complete i.e. PBC=0, if now PS+PWStill greater than PL, the power P of the most described compound network system supply external electrical networkGIFor PS+PW-PL
State 4: under current state, tidal current energy generating system and/or intermittent energy source electricity generation system defeated Go out power and be designated as PS+PWIt is not 0, local load PLMore than PS+PW, energy-storage system can accept discharge power PBFNot being 0, now energy-storage system and electricity generation system supply local load simultaneously, until energy-storage system can Accept discharge power PBFWhen being 0, if now local load PLStill greater than PS+PW, now electricity generation system and External electrical network is supplied simultaneously to local load, and external electrical network feeds back to the power P of described compound network systemGO For PL-PS-PW
State 5: under current state, if water flow velocity and/or wind speed are beyond can generating equipment in electricity generation system Generating safety range, then beyond generating safety range generating equipment access power consumption load pattern, will Power consumption load counts local load PL, the most respectively with reference to above-mentioned state 1 to 4;
In described state 1 to 5, the electric energy of compound network system distributes by being arranged in compound network system Compound power grid control unit integrating control.
The electric energy distribution method of compound network system the most according to claim 1, it is characterised in that Described tidal current energy generating system includes that marine tidal-current energy generator group, described marine tidal-current energy generator group depend on greatly Bridge bridge pier is installed.
The electric energy distribution method of compound network system the most according to claim 2, it is characterised in that Described marine tidal-current energy generator group is by mainframe and fixes the generating set cantilever being connected with mainframe and fixes Being installed on around Large Bridge Pier, described mainframe is installed on the machine unit support being fixed on Large Bridge Pier, Described mainframe is positioned at below the water surface, and can vertically move on Large Bridge Pier.
The electric energy distribution method of compound network system the most according to claim 3, it is characterised in that Locking device and damping device it is provided with between described mainframe and machine unit support.
The electric energy distribution method of compound network system the most according to claim 3, it is characterised in that Described mainframe is arranged around Large Bridge Pier, matches with the outer surface of Large Bridge Pier, described mainframe For Split type structure, removably connect between described Split type structure.
The electric energy distribution method of compound network system the most according to claim 1, it is characterised in that Described intermittent energy source electricity generation system includes wind generator system and/or photovoltaic generating system.
The electric energy distribution method of compound network system the most according to claim 1, it is characterised in that Described compound network system also include being incorporated to the compound biomass power generation system of electrical network, small power station's system, One or more in diesel power generation system, described biomass power generation system, small power station's system, bavin The output P of the one or more electricity generation systems in hydro power generation systemRCount described compound electrical network system In the state 1 to 5 of system, by described compound power grid control unit integrating control.
The electric energy distribution method of compound network system the most according to claim 1, it is characterised in that When the actual power of described energy-storage system is less than the 20% of general power, energy-storage system stops electric discharge, now remembers PBF=0;When the actual power of energy-storage system is higher than the 80% of general power, energy-storage system stops charging, this Time note PBC=0.
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* Cited by examiner, † Cited by third party
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102074970A (en) * 2009-11-19 2011-05-25 三星Sdi株式会社 Energy management system and grid-connected energy storage system including the energy management system
US7989980B2 (en) * 2007-03-02 2011-08-02 Blackman Tracy D Portable self regenerating power system
CN103557110A (en) * 2013-11-07 2014-02-05 冀三阳 Technical scheme for generating power by utilizing kinetic energy of circulating seawater and tidal seawater in power station
CN204144965U (en) * 2014-07-25 2015-02-04 国电联合动力技术有限公司 A kind of compound network system utilizing marine tidal-current energy to generate electricity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7989980B2 (en) * 2007-03-02 2011-08-02 Blackman Tracy D Portable self regenerating power system
CN102074970A (en) * 2009-11-19 2011-05-25 三星Sdi株式会社 Energy management system and grid-connected energy storage system including the energy management system
CN103557110A (en) * 2013-11-07 2014-02-05 冀三阳 Technical scheme for generating power by utilizing kinetic energy of circulating seawater and tidal seawater in power station
CN204144965U (en) * 2014-07-25 2015-02-04 国电联合动力技术有限公司 A kind of compound network system utilizing marine tidal-current energy to generate electricity

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