CN107359637A - Power system multistage cloud energy-storage system - Google Patents
Power system multistage cloud energy-storage system Download PDFInfo
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- CN107359637A CN107359637A CN201710792235.2A CN201710792235A CN107359637A CN 107359637 A CN107359637 A CN 107359637A CN 201710792235 A CN201710792235 A CN 201710792235A CN 107359637 A CN107359637 A CN 107359637A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 44
- 230000005611 electricity Effects 0.000 claims abstract description 178
- 238000003860 storage Methods 0.000 claims abstract description 114
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000000151 deposition Methods 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 9
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention provides a kind of power system multistage cloud energy-storage system, belong to energy storage device field, including electricity storage station, battery, battery series connection are provided with electricity storage station, battery in electricity storage station is connected to power transmission network by Internet device, Internet device is provided with metering device, and the signal output part of metering device is connected to electric energy management system, the electricity of electric energy management system record disengaging, the electric energy that power plant can be made multiple is stored, and is sold at high price in peak period；Power plant is overcome for the problem of uncertainty can not accurately generate electricity existing for electricity consumption, electric energy is created higher economic value, while has prevented the energy and has been wasted problem.
Description
Technical field
The present invention provides a kind of power system multistage cloud energy-storage system, belongs to energy storage device field.
Background technology
The mode of production of electric energy is that power plant is generated electricity, and the electric energy sent is transported to each loading zone by power transmission network
Domain, supplies the use of load, but each regional load power consumption and peak of power consumption low ebb time, spatially exist it is uncertain
Property, power plant can not be generated electricity by itself economical operation rule.Meanwhile electric energy there is a situation where largely to store.Generate electricity
Factory can only prepare more installed capacitys to ensure that feed region electric energy uses normal, and a large amount of distributed power sources
Unordered access, because sending out, confession, the imbalance between electricity consumption, a kind of intermediate energy storage, optimization device are lacked between hair, electricity consumption, and can lead to
The economic means such as price are crossed to be adjusted.Cause on the one hand many conventional power plants hot and cold standby, largely abandon wind, abandon light, abandon
Water, abandon core, abandon heat etc., another aspect Existential Space, temporal structural short of electricity, power cuts to limit consumption, the energy is wasted, applied
It is insufficient.
The content of the invention
Mesh of the present invention is to provide a kind of power system multistage cloud energy-storage system, can be stored up the multiple electric energy in power plant
Deposit, and sold at high price in peak period；Overcome power plant for existing for electricity consumption it is uncertain can not economy generate electricity
Problem, electric energy is created higher economic value, while prevented the energy and be wasted problem.
Power system multistage cloud energy-storage system of the present invention, including electricity storage station, electricity storage station is interior to be provided with battery, and it is special
Sign is that the battery in electricity storage station is connected to power transmission network by Internet device, and Internet device is connected with metering device, metering
The signal output part of device is connected to electric energy management system, and electric energy management system records the electricity of disengaging by metering device.
Described power system multistage cloud energy-storage system, electricity storage station sell electricity storage station and standby electricity storage station including preposition deposit.
Described power system multistage cloud energy-storage system, Internet device the electric energy taking in and release can be carried out rectification or
Inversion, Internet device include rectification adverser and voltage-stablizer, and rectification adverser and voltage-stablizer are series at battery and power transmission network
Between.
Described power system multistage cloud energy-storage system, metering device include intelligent controller and power measurement device, work(
Rate metering device is connected between Internet device and power transmission network, and intelligent controller connects with electric energy management system communication.
Described power system multistage cloud energy-storage system, electricity storage station include positive electrode bus and negative electrode bus, battery just,
Negative pole is connected to positive electrode bus and negative electrode bus by gate-controlled switch A, gate-controlled switch B respectively, and the negative pole of battery is also by can
Control switch C is connected to positive electrode bus, and gate-controlled switch D is set between the positive pole and negative pole of battery and the contact of positive electrode bus.
Described power system multistage cloud energy-storage system, preposition deposit sell electricity storage station and deposit electricity by power purchase and for power plant to enter
Row is sold the storage electricity of electricity storage station and lifted to preposition deposit, and is consumed by selling electric energy and releasing electric energy that power plant stores
Electricity.
Described power system multistage cloud energy-storage system, standby electricity storage station increase storage electricity by way of power purchase, and
It can sell electricity storage station for preposition deposit preparation electricity guarantee is provided；And using the preposition preparation electricity amount for selling electricity storage station reservation of depositing to be upper
Limit, electric energy is sold and sells electricity storage station to preposition deposit, and sells the requirement of electricity storage station according to preposition deposit, and directly delivers the power to formulation
Target.
Described power system multistage cloud energy-storage system, preposition deposit sell electricity storage station preposition deposit are sold by electric energy management system
The discharge and recharge of electricity storage station is managed, and electric energy management system includes depositing electric system, deposits electric system and is connected to internet, and passes through
Internet receives the electric request of depositing in each power plant, and power plant believes transmission of electricity time, transmitted power and transmission of electricity duration as request
Breath, which is sent to, deposits electric system；Power network management and control enterprise is reported by depositing electric system, and will be sent out by power transmission network by power network management and control enterprise
Power plant connects into path with electricity storage station；Deposit electric system to be measured by power measurement device, then carry out core with solicited message
Right, confirmation postscript records the angle of incidence；Until receive power plant send request after, the electricity of storage is passed through into power transmission network
Network is sent to the load area that power plant is specified, and calculates carrying cost according to depositing electricity request and sending request.
Described power system multistage cloud energy-storage system, electric energy management system also include buy/sell electric system, buy/sell electric system
System includes buying electric module and sells electric module；After staff determines power purchase, the electricity that electric module is bought by metering device record is bought
The mode measured and be manually entered simultaneously by staff records the price bought；When staff determines sale of electricity energy, electric mould is sold
Block records the price sold by way of metering device records the electricity sold and is manually entered by staff simultaneously.
Described power system multistage cloud energy-storage system, when it is preposition deposit sell in electricity storage station dump energy and reach 5% when, stop
Outwards sell electric energy.
Described power system multistage cloud energy-storage system, standby electricity storage station include 2-3 level standby electricity storage stations；Positioned at most higher level
Standby electricity storage station sell electricity storage station for preposition deposit preparation electricity guarantee be provided, next stage standby electricity storage station is upper level standby storing up electricity
The prepared electricity guarantee of offer of standing.
The present invention has the beneficial effect that compared with prior art：
Power system multistage cloud energy-storage system of the present invention, numerous unordered distributed power sources can be sent out at any time
The electric energy gone out is stored, and effectively make use of the energy of generating, is avoided due to distributed power source caused by unbalanced power supply
The electric energy sent is wasted.Meanwhile the high-rating generator in power plant can enter when rotating according to the demand of institute's supply area load
Row capacitance-adjustable, but be that very waste power generation energy resource, same excess capacity generate electricity and wasted the energy when low capacity is run
, generator possesses its optimal generating capacity.The application can realize that generator keeps optimal generating capacity operation, be needed in load
Electricity hour is asked, the unnecessary electric energy sent is subjected to concentration storage in electricity storage station, electricity consumption height is then stored into by electricity storage station
The peak period releases, the production capacity deficiency that subsidy generator generates electricity in the peak of power consumption period.It will be divided by electricity storage station described herein
The electric energy that the electric energy and power plant that cloth power supply is sent are sent is balanced over time and space, effectively utilizes the energy, drop
Low generating energy consumption, and the waste of energy on power network.
Brief description of the drawings
Fig. 1 is present system frame diagram；
Fig. 2 is electricity storage station structural representation；
Fig. 3 is battery wiring diagram.
In figure：1st, preposition deposit sells electricity storage station；2nd, power plant；3rd, distributed power source；4th, power transmission network；5th, load；6th, standby
Electricity storage station；7th, battery；8th, electricity storage station；9th, intelligent controller；10th, rectification adverser；11st, metering device；12nd, Internet device；
13rd, gate-controlled switch B；14th, gate-controlled switch C；15th, gate-controlled switch A；16th, negative electrode bus；17th, positive electrode bus；18th, gate-controlled switch D；
19th, voltage-stablizer.
Embodiment
The embodiment of the present invention is described further with reference to the present invention：
Embodiment 1：As shown in Figure 1-Figure 3, power system multistage cloud energy-storage system of the present invention, including electricity storage station 8,
Electricity storage station 8 is built to be built in the area of principle gathering of people；Battery 7 is provided with electricity storage station 8, battery 7 can go here and there, simultaneously
Join, the battery 7 in electricity storage station 8 is connected to power transmission network 4 by Internet device 12, and Internet device 12 is connected with metering device
11, the signal output part of metering device 11 is connected to electric energy management system, the electricity of electric energy management system record disengaging.
Described power system multistage cloud energy-storage system, electricity storage station 8 sell electricity storage station 1 and standby electricity storage station 6 including preposition deposit,
Preposition deposit sells electricity storage station 1 and directly faces load 5, distributed power source 3 and power plant 2 by power transmission network 4, carries out retractable electricity.
Described power system multistage cloud energy-storage system, Internet device 12 can carry out rectification to the electric energy taken in and released
Or inversion, Internet device 12 include rectification adverser 10 and voltage-stablizer 19, rectification adverser 10 and voltage-stablizer 19 are series at electric power storage
Between pond 7 and power transmission network 4.Direct current in alternating current on power transmission network 4 and battery 7 is carried out into rational conversion makes
With.
Described power system multistage cloud energy-storage system, metering device 11 include intelligent controller 9 and power measurement device
11, power measurement device 11 is connected between Internet device 12 and power transmission network 4, and intelligent controller 9 leads to electric energy management system
News connection.The positive and negative numerical value that intelligent controller 9 measures according to metering device 11 can determine that the state of electric energy to take in or releasing,
And electric energy can be measured according to power measurement device 11.
Described power system multistage cloud energy-storage system, electricity storage station 8 include positive electrode bus 17 and negative electrode bus 16, battery
7 positive and negative electrode is connected to positive electrode bus 17 and negative electrode bus 16, battery 7 by gate-controlled switch A15, gate-controlled switch B13 respectively
Negative pole positive electrode bus 17 is also connected to by gate-controlled switch C14, the positive pole and negative pole of battery 7 and the contact of positive electrode bus 17
Between gate-controlled switch D18 is set.Positive electrode bus 17 and negative electrode bus 16 are connected to the rectification adverser 10 of Internet device 12.It is controllable
Switch selects relay, and gate-controlled switch A15, gate-controlled switch B13 and gate-controlled switch C14 use the normally opened contact of relay, controllable
Switch the normally-closed contact that D18 uses relay.Because some batteries 7 need to maintain or repair in use, lead to
Cutting out for battery 7 can be realized by crossing gate-controlled switch A15 and gate-controlled switch B13.When after its reparation and when coming into operation, just produce
The problem of can not depositing electricity in order.When need to connect the battery 7 specified when, by by gate-controlled switch A15, gate-controlled switch
C14 is closed, and simultaneously switches off gate-controlled switch D18, it is possible to achieve specified battery 7 is sealed in, while can be controllable by closing
Switch A15 and gate-controlled switch B13, which is realized, specifies being incorporated to for battery 7.
Described power system multistage cloud energy-storage system, it is preposition deposit sell electricity storage station 1 by power purchase and for power plant 2 deposit electricity come
Preposition deposit is sold by the storage electricity of electricity storage station 1 lifted, by sell electric energy and release electric energy that power plant 2 stores come
Consume electricity.
Described power system multistage cloud energy-storage system, standby electricity storage station 6 increase storage electricity by way of power purchase, and
Can be that preposition deposit sells the offer preparation electricity guarantee of electricity storage station 1；And using it is preposition deposit sell electricity storage station 1 reservation preparation electricity amount as
The upper limit, electric energy is sold and sells electricity storage station 1 to preposition deposit, and the requirement of electricity storage station 1 is sold according to preposition deposit, directly delivered the power to
Set objectives.
Described power system multistage cloud energy-storage system, preposition deposit are sold electricity storage station 1 and deposited by electric energy management system to preposition
The discharge and recharge for selling electricity storage station 1 is managed, and electric energy management system includes depositing electric system, deposits electric system and is connected to internet, and
The electric request of depositing in each power plant 2 is received by internet, power plant 2 will transmission of electricity time, transmitted power and transmission of electricity duration conduct
Solicited message, which is sent to, deposits electric system；Power network management and control enterprise is reported by depositing electric system, and power transmission network is passed through by power network management and control enterprise
Power plant 2 and electricity storage station 8 are connected into path by network 4；Electric system is deposited to be measured by power measurement device 11, then with request
Information is checked, and confirmation postscript records the angle of incidence；Until receive power plant 2 send request after, by the electricity of storage
Amount is sent to the load area that power plant 2 is specified by power transmission network 4, and calculates storage expense according to depositing electricity request and sending request
With.
Described power system multistage cloud energy-storage system, electric energy management system also include buy/sell electric system, buy/sell electric system
System includes buying electric module and sells electric module；After staff determines power purchase, buy electric module and record what is bought by metering device 11
The mode that electricity is simultaneously manually entered by staff simultaneously records the price bought；When staff determines sale of electricity energy, electricity is sold
Module records the price sold by way of metering device 11 records the electricity sold and is manually entered by staff simultaneously.
Described power system multistage cloud energy-storage system, distributed power source 3 are wind power generation, geother-mal power generation, burning biography
The various mode power generating sources such as system fuel power generation function, marsh gas power generation, water-energy generating electricity, can be in each period according to the characteristic of its generating
And each region is generated electricity, if existing generating capacity can not temporarily meet load 5 to electrical demand, can allow its it is direct on
Net, if the demand electricity of period load 5 is very small, it can be sent to electric energy management system and deposit electric request, electric energy is stored in electricity
Energy management system, and the load 5 for using or supplying on supply network is taken out when it needs and is used, electric energy management system can control
Electric energy book is sent to the region of load 5 specified according to its requirement by electricity storage station.Or its sale is issued by existing common platform
The request of electric energy, selling the request of electric energy includes time, power and the price of its generating, directly will send to buying/sell electric system
The request of electric energy is sold, the staff for buying/selling electric system can select the electric energy that suitable distributed power source 3 is sent according to demand
Bought, then select electricity price high period or region to be sold.
Described power system multistage cloud energy-storage system, when it is preposition deposit sell in electricity storage station 1 dump energy and reach 5% when, stop
Only outwards sell electric energy.It is preposition to deposit the preparation point energy deficiency for selling electricity storage station 1 when avoiding the application of emergency power.
Described power system multistage cloud energy-storage system, standby electricity storage station 6 include 2 grades of standby electricity storage stations 6；Positioned at most higher level
Standby electricity storage station 6 sell electricity storage station 1 for preposition deposit preparation electricity guarantee be provided, next stage standby electricity storage station 6 is upper level standby
Electricity storage station 6 provides preparation electricity guarantee.
Described power system multistage cloud energy-storage system, standby electricity storage station 6, which is provided with, to be bought/sells electric system and ensure that record is
System, is purchased by buying/selling electric system to electric energy, to supplement the deficit of the electric energy of standby electricity storage station 6, before standby electricity storage station 6 is
Put to deposit and sell electricity storage station 1 electric energy guarantee is provided, preposition deposit sells the electric energy management system of electricity storage station 1 and be provided with assurance module, assurance module
Established and communicated to connect by the guarantee record system of internet and the standby electricity storage station 6 of each most higher level, the work of standby electricity storage station 6
Making personnel's real-time update, it provides the price of electric energy guarantee, ensures duration, the total reserve of electricity and address, power network of standby electricity storage station 6
Ownership, preposition deposit sell the staff of electricity storage station 1 and select standby electricity storage station 6 as needed, then preengage with standby electricity storage station 6 pre-
Standby electricity, then standby electricity storage station 6 can sell the requirement of electricity storage station 1 according to preposition deposit, will using the preparation electricity of its reservation as the upper limit
Electrical energy transportation sells electricity storage station 1 specified place to preposition deposit.
Described power system multistage cloud energy-storage system, standby electricity storage station 6 and the next stage standby electricity storage station 6 of upper level
Ensure that record system is attached, upper level standby electricity storage station 6 provides the valency of electric energy guarantee according to next stage standby electricity storage station 6
Lattice, duration, total reserve of electricity of standby electricity storage station 6 and address, power network ownership are ensured, preengage and prepare to next stage standby electricity storage station 6
Electricity, standby electricity storage station 6 of the standby electricity storage station 6 of next stage to upper level is set to provide electric energy guarantee.
Claims (10)
1. a kind of power system multistage cloud energy-storage system, including electricity storage station, electricity storage station is interior to be provided with battery, it is characterised in that storage
Battery in power station is connected to power transmission network by Internet device, and Internet device is connected with metering device, the letter of metering device
Number output end is connected to electric energy management system, and electric energy management system passes through the electricity of metering device record disengaging.
2. power system multistage cloud energy-storage system according to claim 1, it is characterised in that electricity storage station is sold including preposition deposit
Electricity storage station and standby electricity storage station.
3. power system multistage cloud energy-storage system according to claim 2, it is characterised in that Internet device can be to income
Carrying out rectification or inversion, Internet device with the electric energy of releasing includes rectification adverser and voltage-stablizer, rectification adverser and voltage-stablizer
It is series between battery and power transmission network.
4. power system multistage cloud energy-storage system according to claim 3, it is characterised in that metering device includes intelligence and controlled
Device and power measurement device processed, power measurement device are connected between Internet device and power transmission network, intelligent controller and electric energy
Management system communication connection.
5. power system multistage cloud energy-storage system according to claim 4, it is characterised in that electricity storage station includes positive electrode bus
And negative electrode bus, the positive and negative electrode of battery is connected to positive electrode bus by gate-controlled switch A, gate-controlled switch B respectively and negative pole is female
Line, the negative pole of battery are also connected to positive electrode bus, the positive pole and negative pole of battery and connecing for positive electrode bus by gate-controlled switch C
Gate-controlled switch D is set between point.
6. power system multistage cloud energy-storage system according to claim 5, it is characterised in that preposition deposit is sold electricity storage station and passed through
Power purchase and electricity is deposited for power plant preposition deposit is sold the storage electricity of electricity storage station and lifted, by selling electric energy and releasing
The electric energy of power plant storage consumes electricity.
7. power system multistage cloud energy-storage system according to claim 6, it is characterised in that standby electricity storage station passes through power purchase
Mode increase storage electricity, and can sell electricity storage station for preposition deposit preparation electricity guarantee is provided；And sell electricity storage station with preposition deposit
The preparation electricity amount of reservation is the upper limit, and electric energy is sold and sells electricity storage station to preposition deposit, and sells wanting for electricity storage station according to preposition deposit
Ask, directly deliver the power to and set objectives.
8. power system multistage cloud energy-storage system according to claim 7, it is characterised in that preposition deposit is sold electricity storage station and passed through
Electric energy management system is sold the discharge and recharge of electricity storage station and is managed to preposition deposit, and electric energy management system includes depositing electric system, deposits electricity
System is connected to internet, and the electric request of depositing in each power plant is received by internet, and power plant will transmission of electricity time, transmission of electricity work(
Rate and transmission of electricity duration are sent to as solicited message and deposit electric system；Power network management and control enterprise is reported by depositing electric system, and by power network pipe
Power plant and electricity storage station are connected into path by control enterprise by power transmission network；Electric system is deposited to be counted by power measurement device
Amount, is then checked, confirmation postscript records the angle of incidence with solicited message；Until receive power plant sends request
Afterwards, the electricity of storage is sent to the load area specified in power plant by power transmission network, and request is asked and send according to electricity is deposited
Calculate carrying cost.
9. power system multistage cloud energy-storage system according to claim 8, it is characterised in that electric energy management system also includes
Buy/electric system is sold, buying/sell electric system includes buying electric module and sells electric module；After staff determines power purchase, buy electric module and pass through
The mode that metering device records the electricity bought and is manually entered simultaneously by staff records the price bought；Staff is true
When making sale of electricity energy, electric module is sold by way of metering device records the electricity sold and is manually entered by staff simultaneously
Record the price sold.
10. power system multistage cloud energy-storage system according to claim 9, it is characterised in that when preposition deposit sells electricity storage station
When interior dump energy reaches specified storing electricity 5%, stop outwards selling electric energy.
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| CN201710792235.2A CN107359637B (en) | 2017-09-05 | 2017-09-05 | Multistage cloud energy storage system of electric power system |
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| CN201710792235.2A CN107359637B (en) | 2017-09-05 | 2017-09-05 | Multistage cloud energy storage system of electric power system |
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| CN107359637B CN107359637B (en) | 2024-03-22 |
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| CN107359637B (en) | 2024-03-22 |
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