CN106972637A - A kind of mixed type movable energy storage system - Google Patents
A kind of mixed type movable energy storage system Download PDFInfo
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- CN106972637A CN106972637A CN201710343947.6A CN201710343947A CN106972637A CN 106972637 A CN106972637 A CN 106972637A CN 201710343947 A CN201710343947 A CN 201710343947A CN 106972637 A CN106972637 A CN 106972637A
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- bus
- energy storage
- storage system
- mixed type
- movable energy
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Classifications
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- 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
- H02J15/00—Systems for storing electric energy
-
- 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
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Abstract
A kind of mixed type movable energy storage system disclosed in the embodiment of the present invention, including：Common DC bus converter topologies, super room, battery chamber, switchgear house；Common DC bus converter topologies include：Battery pack, capacitor bank, dc bus, DC/AC current transformers, two-way DC/DC modules；Two-way DC/DC modules are electrically connected with battery pack, capacitor bank, and are connected with the front of motor of battery pack, capacitor bank with dc bus；Battery pack is arranged in battery chamber, capacitor bank is arranged in super room, DC/AC current transformers and two-way DC/DC modules are arranged in switchgear house, the shortcomings of noise that solves conventional diesel generator back-up source is big, pollution is big, operation and maintenance cost is high, solve existing movable energy storage system power failure switching time length, the defects such as impact load can not be tackled, add the practicality of movable energy storage system.
Description
Technical field
The present invention relates to mobile energy storage for power supply field, more particularly to a kind of mixed type movable energy storage system.
Background technology
As modern social development improves constantly to the quality of power supply and reliability requirement of electric power system, people need various
The portable electric power system of various kinds carries out additionally power supply, temporary power to electric power system and ensures stabilization of power grids etc..It is simultaneously electric
There is some many periodicity or seaonal load in net, cause some area's distribution transforming most of the time underloadings even unloaded, when specific
Phase heavy duty is even overloaded, and now portable electric power system can just solve the above problems well.
Traditional portable electric power system is general using diesel-driven generator as main power source, and diesel-driven generator is combustion with diesel oil etc.
Material, electrical power generators are driven by prime mover of diesel engine, it is necessary to manually cut power network.The new direction of movable type power supply development is to move
Dynamic battery energy storage system.Existing movable energy storage system typically configures a kind of energy-accumulating medium, such as flow battery, LiFePO4, lead
Acid accumulator etc., power network is accessed by DC/AC current transformers.
Diesel-driven generator noise is big, loss is big, pollute big, and the switching time that has a power failure is long, it is difficult to meets quick guarantee electric power and supplies
The requirement answered.Battery energy storage is safe and pollution-free and energy in bidirectional flow, is the new direction of portable power supply development.It is existing to move
Dynamic energy-storage system is more typically to configure a kind of energy-accumulating medium, such as flow battery, LiFePO4, lead-acid accumulator based on demonstration,
These batteries can lay in larger capacity, but response speed is too slow, it is impossible to quick response Large Copacity impact load, such as mouse cage
, therefore, there is great limitation when micro-capacitance sensor and lane distribution field are applied in type asynchronous machine, fishpond oxygen supplier etc.
Property.According to the shortcoming of above-mentioned prior art, configure an energy quick response Large Copacity impact load, quickly export high-power,
And there is larger capacity reserve, realize that to the movable energy storage system of the long-term power supply of user be the problem of we will solve.
The content of the invention
The embodiments of the invention provide a kind of mixed type movable energy storage system, its flexibility and reliability cost is low, solves tradition
The shortcomings of noise of diesel-driven generator back-up source is big, pollution is big, operation and maintenance cost is high, solves existing mobile energy storage system
System have a power failure switching time length, the defects such as impact load can not be tackled, add the practicality of movable energy storage system.
The embodiments of the invention provide a kind of mixed type movable energy storage system, including：Common DC bus converter topology knot
Structure, super room, battery chamber, switchgear house；
The common DC bus converter topologies include：Battery pack, capacitor bank, dc bus, DC/AC unsteady flows
Device, two-way DC/DC modules；
The two-way DC/DC modules are electrically connected with the battery pack, the capacitor bank, and with the battery pack,
The front of motor of the capacitor bank is connected with the dc bus；
The battery pack is arranged in the battery chamber, and the capacitor bank is arranged in the super room, the DC/AC
Current transformer and the two-way DC/DC modules are arranged in the switchgear house.
Preferably, the connection of the dc bus and the DC/AC current transformers is specially that the dc bus passes through switch
S2 and the DC/AC current transformers DC bus capacitor are connected in parallel.
Preferably, the two-way DC/DC modules are specially the two-way DC/DC circuits of Bi Buck-Boost.
Preferably, the DC/AC unsteady flows implement body is configured using three-phase bridge circuit.
Preferably, the common DC bus converter topologies also include direct current output interface；
The direct current output interface is connected in parallel by switching S3 with the dc bus.
Preferably, the common DC bus converter topologies also include ac bus and AC load；
The ac bus connects through switch S1 and is connected with the DC/AC current transformers；
The ac bus connection power network or the AC load.
Preferably, the capacitor bank is specially 250kW ultracapacitor groups；
The battery pack is specially 250kW/500kWh ter-polymers lithium battery.
Preferably, the dc bus is electrically connected with new energy power supply.
Preferably, the embodiment of the present invention also includes fire-fighting room；
The fire-fighting room is configured with automatic fire extinguisher；
The automatic fire extinguisher includes：Smoke fire detector, heat fire detector, controller, blower fan, fire resisting damper
And hexafluoro-propane extinguishing device；
The controller connects the smoke fire detector respectively, the heat fire detector, the blower fan, described
Fire resisting damper and the hexafluoro-propane extinguishing device.
Preferably, the battery chamber is also configured with auto temperature controlled system；
The switchgear house is also configured with intelligent monitor system and manual fire plant.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The embodiment of the present invention is configured with capacitor bank and battery pack, can quick response impact load variation, quick output
It is high-power, and have larger capacity reserve, and also these equipment are be easily moved, and cost is relatively low, flexibility and reliability, it is possible to resolve tradition
The shortcomings of noise of diesel-driven generator back-up source is big, pollution is big, operation and maintenance cost is high.In addition, the common direct current in the present invention
Bus converter topologies use the mode of connection of common DC bus, it is possible to resolve during existing movable energy storage system power failure switching
Between it is long, the defects such as impact load can not be tackled, add the practicality of movable energy storage system, can be with quick response impact load
Variation, quickly export high-power, and have a larger capacity reserve, realize the long-term power supply to user.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation of common DC bus topological structure of the embodiment of the present invention；
Fig. 2 is the structural representation of another common DC bus topological structure of the embodiment of the present invention；
Fig. 3 is the structural representation of another common DC bus topological structure of the embodiment of the present invention；
Fig. 4 is the structural representation of another common DC bus topological structure of the embodiment of the present invention；
Fig. 5 is a kind of structural representation of mixed type movable energy storage system of the embodiment of the present invention；
Fig. 6 is a kind of internal structure schematic diagram of mixed type movable energy storage system of the embodiment of the present invention；
Wherein, reference is：
1st, battery pack；2nd, capacitor bank；3rd, DC/AC current transformers；4th, two-way DC/DC modules；5th, automatic fire extinguisher；6th, certainly
Dynamic temperature control system；7th, intelligent monitor system；8th, manual fire plant；9th, two groups of line wheels of direct current and exchange；10th, power distribution cabinet.
Embodiment
The embodiments of the invention provide a kind of mixed type movable energy storage system, stop for solving existing movable energy storage system
It electric switching time length, can not tackle the defects such as impact load, increase the practicality of movable energy storage system.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
The embodiments of the invention provide a kind of mixed type movable energy storage system, including：Common DC bus converter topology knot
Structure, super room, battery chamber, switchgear house；
Common DC bus converter topologies include：It is battery pack, capacitor bank, dc bus, DC/AC current transformers, double
To DC/DC modules；
Two-way DC/DC modules are electrically connected with battery pack, capacitor bank, and with battery pack, capacitor bank it is disconnected
End is connected with dc bus；
Battery pack is arranged in battery chamber, and capacitor bank is arranged in super room, DC/AC current transformers and two-way DC/DC moulds
Block is arranged in switchgear house.
Referring to Fig. 1, the common DC bus converter topologies in mixed type movable energy storage system, including：Battery pack,
Capacitor bank, dc bus, DC/AC current transformers, two-way DC/DC modules；
Two-way DC/DC modules are electrically connected with battery pack, capacitor bank, and with battery pack, capacitor bank it is disconnected
End is connected with dc bus.
The connection of dc bus and DC/AC current transformers is specially dc bus by switching the straight of S2 and DC/AC current transformers
Stream lateral capacitance is connected in parallel.
Two-way DC/DC modules are specially the two-way DC/DC circuits of Bi Buck-Boost.
DC/AC unsteady flows implement body is configured using three-phase bridge circuit.
Also include direct current output interface；
Direct current output interface is connected in parallel by switching S3 with dc bus.
Also include ac bus and AC load；
Ac bus connects through switch S1 and is connected with DC/AC current transformers；
Ac bus connects power network or AC load.
Capacitor bank is specially 250kW ultracapacitor groups；
Battery pack is specially 250kW/500kWh ter-polymers lithium battery.
The present invention is using the common DC bus converter topologies with direct current output interface are used, as shown in Figure 1.Directly
Stream side lithium battery group and capacitor bank are equipped with the two-way DC/DC circuits of a Bi Buck-Boost, with DC/AC DC sides electricity
Hold parallel running.
Wherein ubatFor the output voltage after lithium battery group connection in series-parallel, uscFor ultracapacitor group output voltage, C and LdcPoint
Not Wei Bi Buck-Boost filter capacitor and energy storage inductor, S11S12S21S22For the IGBT of DC/DC circuits.Rear class is using conventional
Three-phase bridge circuit, udcFor DC voltage, Lf1Lf2And CfFor LCL output filters.
Two-way DC/DC circuits have unsteady flow, a voltage regulation function, and energy can realize super hold and lithium battery fills with two-way flow
Electric discharge operation.Two kinds of different energy-storage travelling wave tubes of terminal voltage are connected by it, every kind of energy storage device is directly controlled, are maintained simultaneously
DC bus-bar voltage is constant；And optimize the charging and discharging curve of lithium battery, extend its service life；Lithium battery and super capacitor can be with
Deep discharge, therefore its energy storage capacity can make full use of；It can also make EMS more flexible configuration using DC/DC.
In addition, to coordinate direct current electricity consumption scene, direct current output interface is expanded in dc bus, by battery pack and electricity
The control of container group DC/DC converters, movable energy storage system is become the dc source or DC load for turning to adjustable voltage.
Above is a kind of mixed type movable energy storage system of the embodiment of the present invention is described in detail, topology therein
Structure can be achieved on movable energy storage system in the application with many scenes of distribution, following several common DC bus topological structures
Stored up using can be moved as embodiment using the mixed type movable energy storage system formation mixed type into the embodiment of the present invention
Several embodiments of energy system.Below by the common DC bus in mixed type movable energy storage system provided in an embodiment of the present invention
Topological structure carries out the common DC bus topology knot in expansion application, mixed type movable energy storage system provided in an embodiment of the present invention
Structure is applied as parallel connection type STATCOM or APF.
It should be noted that being used as parallel connection type STATCOM or APF, compensating power, the harmonic wave electricity for administering load generation
Stream.Simplify topology diagram as shown in Figure 2.
Under the method for operation, S2 is opened, and S1 closures, S3 is opened, and movable energy storage system is connected in parallel on harmonic source or needs compensation
The point of reactive power.Under the method for operation, prime DC/DC parts are cut out, and system is equivalent to the D-STATCOM for being parallel to load-side
(SVC) or APF (active filter).The harmonic current and idle that load-side is exported is detected by sensor,
Compensating instruction is calculated by controller, IGBT switch is controlled, makes inverter output with instructing the compensation electric current with frequency with phase,
Harmonic wave and reactive power that compensation load is produced, improve mains by harmonics current distortion rate, improve power factor.
Above is the common DC bus topological structure in the mixed type movable energy storage system of the embodiment of the present invention is used as parallel connection
The detailed description that type STATCOM or APF are applied, below by the mixed type movable energy storage system to the embodiment of the present invention
Common DC bus realizes that the scheme of important load uninterrupted power supply carries out application and is explained in detail as UPS back-up sources.
The common DC bus topological structure of the embodiment of the present invention realizes that important load is uninterruptedly supplied as UPS back-up sources
Electricity.Refer to Fig. 3.
Under the method for operation, S1 closures, S2 closures, S3 is opened, and simplifies topological structure as shown in Figure 3.Now, mobile energy storage
System is on-line operation mode, and access is direct in power network and important load, during operation, and capacitor bank DC/DC is in running status,
Ensure the full electricity of capacitor bank；Battery pack DC/DC is closed, and reduces its loss.When system cut-off, orphan is detected rapidly
Island state, using the fast response characteristic of battery pack, makes current transformer be switched to island operation state, it is ensured that important load is not powered off
Operation；Net is surveyed after voltage stabilization, rapid input ternary lithium battery group, and enough stand-by power supply capacity, same time control are provided to load
Ultracapacitor group discharge and recharge processed, the voltage pulsation of gentle island-grid.
Above is the common DC bus topological structure of the embodiment of the present invention realizes important load not as UPS back-up sources
The scheme of interruptedly supplying power carries out application and is explained in detail.Below by the mixed type movable energy storage system to the embodiment of the present invention
Common DC bus topological structure coordinate the portable microgrid of new energy composition to be explained in detail.
The common DC bus topological structure of the embodiment of the present invention coordinates the portable microgrid of new energy composition, solves remote mountain areas
Or island power supply problem.Refer to Fig. 4.
Under the method for operation, S1, S2, S3 closures, as shown in Figure 4.Now, equivalent to one direct current of movable energy storage system
Source or DC load.Most typically is applied to coordinate photo-voltaic power supply (direct current output) composition photovoltaic energy storage integrated device, is realized inclined
The power supply of remote area (without electric rural area, isolated island).The characteristics of photovoltaic has intermittence, fluctuation, intermittence is intensity of illumination
It can be generated electricity when on 100W/m2, evening intensity of illumination cannot generate electricity less than 100W/m2.Under the method for operation, daylight is strong
On the one hand photo-voltaic power supply is powered by energy accumulation current converter (now playing the part of photovoltaic DC-to-AC converter role) to AC load when degree is higher, separately
One side redundancy electricity gives lithium battery group charging, capacitor bank now smooth new energy power swing.And night is when powering, lithium
Battery pack power density is high, can be powered for a long time by energy accumulation current converter to load.
Above is the structure of common DC bus topological structure in the mixed type movable energy storage system of the embodiment of the present invention and
Using being described in detail, more detailed theory will be carried out to the mixed type movable energy storage system of the embodiment of the present invention below
It is bright.
Refer to Fig. 5 and Fig. 6, a kind of mixed type movable energy storage system provided in an embodiment of the present invention, including common direct current female
Line converter topologies, in addition to：Super room, battery chamber, switchgear house；The distribution of common DC bus converter topologies is set
In super room, battery chamber, switchgear house.
Common DC bus converter topologies include：Battery pack 1, capacitor bank 2, dc bus, DC/AC current transformers 3,
Two-way DC/DC modules 4；
Two-way DC/DC modules 4 are electrically connected with battery pack 1, capacitor bank 2, and with battery pack 1, capacitor bank 2 it is non-
Connection end is connected with dc bus；
Battery pack 1 is arranged in battery chamber, and capacitor bank 2 is arranged in super room, DC/AC current transformers 3 and two-way DC/DC
Module 4 is arranged in switchgear house.
It should be noted that
Super room is configured with above-mentioned capacitor bank 2；
Battery chamber is configured with above-mentioned battery pack 1；
Switchgear house is configured with above-mentioned two-way DC/DC modules 4 and DC/AC current transformers 3.
Also include fire-fighting room；
Fire-fighting room is configured with automatic fire extinguisher 5.
Fire-fighting room, super room, battery chamber, switchgear house are arranged in container.
Battery chamber is also configured with auto temperature controlled system 6.
Switchgear house is also configured with two groups of line wheels of direct current and exchange, intelligent monitor system 7 and manual fire plant 8.
The common DC bus topological structure of the embodiment of the present invention is installed in mobile device, composition mixed type movement energy storage system
System, the shortcomings of noise that can solve conventional diesel generator back-up source is big, pollution is big, operation and maintenance cost is high, is solved existing
Movable energy storage system have a power failure switching time length, the defects such as impact load can not be tackled, add the reality of movable energy storage system
The property used.
This Mobile energy storage system based on hybrid energy-storing technology, using container as container, is broadly divided into four
Room：Fire-fighting room, super room, battery chamber, switchgear house.There is maintenance door battery chamber side, convenient that super room and battery chamber are quickly examined
Repair.Super room, battery chamber, there is access path in the middle of switchgear house, facilitate the monitoring of personnel, maintenance, safeguard.Each room distribution such as Fig. 5
It is shown.
Specifically arranged in container body as shown in fig. 6, the common DC bus topological structure of the embodiment of the present invention is in the present invention
Position in the mixed type movable energy storage system of embodiment is as shown in Figure 6.
Two automatic fire extinguishers 5 are mainly placed in fire-fighting room, by being monitored in real time to naked light, to super room, battery
Room, switchgear house carry out automatic fire control.When controller detects smoke fire detector and heat fire detector is simultaneously emitted by fire
During calamity signal, controller sends fire sound and light signal, and sends linkage instruction, the interlocking equipments such as blower fan, fire resisting damper is closed, to hair
Go out fire extinguishing instruction, start hexafluoro-propane extinguishing device, release extinguishing chemical is implemented fire extinguishing, completed by system oneself, it is not necessary to people
Member's intervention and the control mode of operation.
Super room is configured with 250kW ultracapacitors group 2, provides a system to the energy-accumulating medium of high-power high response speed.
Ultracapacitor is a kind of novel energy storage apparatus, and it has power density height, short charging interval, service life length, temperature characterisitic
The features such as good, saving energy and environmental protection.
Battery chamber is configured with 250kW/500kWh ter-polymers lithium battery, provides a system to the spare capacity of abundance.
Ter-polymers lithium battery refers to that positive electrode uses the lithium battery of nickle cobalt lithium manganate (Li (NiCoMn) O2) tertiary cathode material,
Ternary lithium battery energy density is bigger, but security is often subject to suspect.Even if reason, which is both materials, can all reach one
Decomposed when constant temperature is spent, ternary lithium material can decompose at lower 200 degree or so, and LiFePO 4 material is 800
Degree left and right.And the chemistry reflection of ternary lithium material is more violent, can discharge oxygen molecule, electrolyte fires rapidly under high temperature action
Burn, occur chain reaction, be exactly that ternary lithium material is easier to catch fire than LiFePO 4 material.Because ternary battery is to operating temperature
It is required that it is higher, therefore battery chamber is configured with auto temperature controlled system 6, it is ensured that lithium battery group 1 operates in the temperature model of stable safety
In enclosing.
The two-way DC/DC that switchgear house is configured with 2 250kW is realized to the super DC voltage for holding battery pack 1 and lithium battery group 1
Control.500kW DC/AC energy accumulation current converters are configured with, direct current is changed into 380V/50Hz alternating currents.Power distribution cabinet 10 is real
Switching control, protection, DC-AC output selection of existing movable energy storage system etc..It is configured with two groups of line wheel (Fig. 6 of direct current and exchange
In reference 9), exchange line wheel configuration 50m cables, direct current configuration 20m cables.It is configured with intelligent monitor system 7, realization pair
Each battery of ultracapacitor, the modules operation information of battery pack 1, container humiture information, movable energy storage system operation side
The real-time collection and display of the parameters such as formula information, DC/DC DC bus-bar voltages, DC/AC ac output voltage current informations.Configuration
There is manual fire plant 8, facilitate operations staff to put out a fire manually.There is operating area the side of intelligent monitor system 7, facilitates operations staff
Movable energy storage system is operated, while the operational factor of convenient monitoring intelligent monitor system 7 is shown.
Mixed energy storage system is grid-connected various ways, can exchange in parallel using many DC/AC current transformers 3, can be straight
Side parallel connection is flowed, different topology structure can be selected in different occasions.Space is small in container, and radiating is difficult, and high power D C/
AC current transformers 3 generate heat larger, there is circulation problem during parallel running, therefore be not suitable for movable energy storage system.
It should be noted that the mixed type movable energy storage system of the embodiment of the present invention can be according to above-mentioned common DC bus topology
The application of structure is applied accordingly, i.e., as parallel connection type STATCOM or APF, and compensating power, improvement load are produced
Harmonic current；As UPS back-up sources, important load uninterrupted power supply is realized；Coordinate the portable microgrid of new energy composition, solve
Remote mountain areas or island power supply problem.Its application mode is identical with the application mode of above-mentioned common DC bus, is not repeating herein.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of mixed type movable energy storage system, it is characterised in that including：Common DC bus converter topologies, super room,
Battery chamber, switchgear house；
The common DC bus converter topologies include：It is battery pack, capacitor bank, dc bus, DC/AC current transformers, double
To DC/DC modules；
The two-way DC/DC modules are electrically connected with the battery pack, the capacitor bank, and with the battery pack, described
The front of motor of capacitor bank is connected with the dc bus；
The battery pack is arranged in the battery chamber, and the capacitor bank is arranged in the super room, the DC/AC unsteady flows
Device and the two-way DC/DC modules are arranged in the switchgear house.
2. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that the dc bus with it is described
The connection of DC/AC current transformers is specially the dc bus by switching S2 and the DC/AC current transformers DC bus capacitor simultaneously
Connection connection.
3. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that the two-way DC/DC modules
The two-way DC/DC circuits of specially Bi Buck-Boost.
4. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that the DC/AC unsteady flows utensil
Body is configured using three-phase bridge circuit.
5. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that the common DC bus unsteady flow
Device topological structure also includes direct current output interface；
The direct current output interface is connected in parallel by switching S3 with the dc bus.
6. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that the common DC bus unsteady flow
Device topological structure also includes ac bus and AC load；
The ac bus connects through switch S1 and is connected with the DC/AC current transformers；
The ac bus connection power network or the AC load.
7. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that
The capacitor bank is specially 250kW ultracapacitor groups；
The battery pack is specially 250kW/500kWh ter-polymers lithium battery.
8. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that the dc bus and new energy
Source current is electrically connected with.
9. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that also including fire-fighting room；
The fire-fighting room is configured with automatic fire extinguisher；
The automatic fire extinguisher includes：Smoke fire detector, heat fire detector, controller, blower fan, fire resisting damper and six
Fluoro-propane extinguishing device；
The controller connects the smoke fire detector, the heat fire detector, the blower fan, the fire prevention respectively
Valve and the hexafluoro-propane extinguishing device.
10. a kind of mixed type movable energy storage system according to claim 1, it is characterised in that
The battery chamber is also configured with auto temperature controlled system；
The switchgear house is also configured with intelligent monitor system and manual fire plant.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075489A (en) * | 2017-12-05 | 2018-05-25 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of movable type micro-grid system |
| CN108173280A (en) * | 2017-12-29 | 2018-06-15 | 北京天诚同创电气有限公司 | Light stores up integral system |
| CN108321896A (en) * | 2018-02-26 | 2018-07-24 | 上海瑞华(集团)有限公司 | A kind of container-type mobile charging treasured system for electric ship |
| CN108521140A (en) * | 2018-04-03 | 2018-09-11 | 深圳电丰电子有限公司 | A kind of distributed photovoltaic and from energy storage inversion system |
| CN110518609A (en) * | 2019-08-07 | 2019-11-29 | 上海电力大学 | Protect the mobile energy storage method of rural power grids safety |
| WO2022152844A1 (en) * | 2021-01-15 | 2022-07-21 | Liebherr-Components Biberach Gmbh | Energy supply station for the electrification of construction sites and method for supplying a construction site with electrical energy |
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