CN209228535U - Energy-storage system and Wind turbines for Wind turbines - Google Patents
Energy-storage system and Wind turbines for Wind turbines Download PDFInfo
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- CN209228535U CN209228535U CN201821649674.4U CN201821649674U CN209228535U CN 209228535 U CN209228535 U CN 209228535U CN 201821649674 U CN201821649674 U CN 201821649674U CN 209228535 U CN209228535 U CN 209228535U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model discloses a kind of energy-storage systems and Wind turbines for Wind turbines.The energy-storage system includes: energy storage battery system, energy storage bidirectional converter PCS and energy storage monitor system；The energy storage battery system includes battery modules and battery management system, and the battery modules access the bus of the Wind turbines through the PCS；The PCS converts for realizing the Wind turbines and the energy of the battery modules；The energy storage battery system is used as backup power source, is charged by the Wind turbines through the PCS when meeting charge condition, powers through the PCS to the Wind turbines from electricity system when meeting discharging condition.The utility model provides backup power source of a set of safe and reliable energy-storage system as Wind turbines, can charge and power, and can realize the grid-connected power regulation of blower by charge and discharge control, promote unit electricity volume, can effectively improve the safety of Wind turbines.
Description
Technical field
The utility model relates to technical field of wind power generation, and in particular to a kind of energy-storage system and wind for Wind turbines
Motor group.
Background technique
Wind-power electricity generation is a kind of new energy power generation technology that development is relatively early, more mature at present, and status is more heavy
It wants.As wind power technology is gradually transferred to sea by land, Oversea wind power generation has become Renewable Energy Development field
Focus.However, blower can be caused to lose outer net electric power branch because of electric network fault problem under extreme weather or uncontrollable factor
It holds, greatly harm will be generated to fan operation at that time.Therefore, for guarantee fan yaw system external grid cut-off feelings
Condition still can run well, and existing wind power generating set is mostly using diesel generating set as its backup power source.
But diesel generating set there is a problem of as offshore wind turbine backup power source it is serious.Firstly, diesel oil
Under extreme weather there are serious starting run hidden danger, it cannot be guaranteed that its operate normally starting, lead to wind power generating set
In case of emergency dead halt jeopardizes the safety of wind power generating set；In addition, diesel generating set is to fuel according to lazyness mistake
Height, since marine geographic factor limits, transport, the storage of fuel are required to costly cost.
Therefore, it is necessary to a set of safe and reliable energy-storage systems as backup power source, and it is safe and reliable to solve diesel generating set
Property insufficient problem ensure yaw system normal operation for being in emergency circumstances that set yaw system provides backup power source, mention
High blower anti-disaster ability.
Utility model content
The utility model embodiment provides a kind of energy-storage system and Wind turbines for Wind turbines, in order to solve
Problem of the certainly current diesel generating set as backup power source security reliability deficiency, guarantees wind turbine under extreme weather situation
The normal operation of group yaw system, improves the safety of Wind turbines.Wherein, Wind turbines are the abbreviations of wind power generating set.
The utility model is in a first aspect, provide a kind of energy-storage system for Wind turbines, comprising: energy storage battery system,
Energy storage bidirectional converter PCS and energy storage monitor system；The energy storage battery system includes battery modules and for monitoring and controlling
The battery management system of the battery modules, the battery modules access the bus of the Wind turbines, the electricity through the PCS
Pond management system is connect with the battery modules, the PCS and the energy storage monitor system respectively；The PCS is for carrying out
The transformation of alternating current-direct current realizes that the energy of the Wind turbines and the battery modules is converted；The energy storage battery system is used as institute
The backup power source for stating Wind turbines is charged by the Wind turbines through the PCS when meeting charge condition, is meeting the item that discharges
It powers through the PCS to the Wind turbines from electricity system when part；The energy storage monitor system is for detecting, managing and controlling
Make entire energy-storage system.
In a kind of possible implementation, the PCS accesses the 400V bus of the Wind turbines through low tension switch, realizes
It is connect with described from electricity system, the low tension switch is controlled by the energy storage monitor system.
In a kind of possible implementation, the energy storage battery system further includes that air-conditioning equipment, lighting apparatus and fire-fighting are set
It is standby.
In a kind of possible implementation, the Wind turbines include host and the tower system for being used to support host,
The tower system includes tower and the basic platform for being used to support the tower；The energy storage battery system and the PCS are set
In in energy storage cabinet, the energy storage cabinet is independently installed in the basic platform.
In a kind of possible implementation, if the Wind turbines are in grid connection state, the energy-storage system is in electric current
Source (PQ) control model；Under PQ control model: when the measured power of the Wind turbines is more than rated power, and the energy storage
When system spare electricity is less than the first setting value, charge for the energy-storage system；When the measured power of the Wind turbines
Less than rated power, and when the energy-storage system remaining capacity is greater than the second setting value, the energy storage system discharges；Its
In, the first setting value is greater than the second setting value.
In a kind of possible implementation, if the Wind turbines are in off-network state, the energy-storage system is in voltage
Frequency transformation (V/F) control model；Under V/F control model, the energy storage system discharges.
In a kind of possible implementation, the battery modules use electrochemical lithium cells.
The utility model second aspect provides a kind of Wind turbines, including the use as described in the utility model first aspect
In the energy-storage system of Wind turbines.
In a kind of possible implementation, the Wind turbines are specially offshore wind farm unit.
In a kind of possible implementation, the Wind turbines include host and the tower system for being used to support host,
The tower system includes tower and the basic platform for being used to support the tower；The energy storage battery system of the energy-storage system and
PCS is set in energy storage cabinet, and the energy storage cabinet is independently installed in the basic platform.
As can be seen from the above technical solutions, the utility model embodiment has the advantage that
The utility model provides backup power source of a set of safe and reliable energy-storage system as Wind turbines, in urgent feelings
Energy-storage system can power for Wind turbines from electricity system under condition, also, can be energy storage system under Wind turbines normal operating condition
System charges, in addition, under Wind turbines normal operating condition, by the charge and discharge control of energy-storage system, it can be achieved that wind-powered electricity generation
Set grid-connection power regulation promotes unit electricity volume.
Energy-storage system provided by the utility model as Wind turbines backup power source, can guarantee to pacify under extreme conditions
Full starting operation, guarantees its yaw system etc. from the normal of electricity system during Wind turbines lose external electrical network electric power support
Operation, the effective safety for improving Wind turbines.It is used especially for offshore wind generating.For sea and benefit of having inconvenient traffic
Region, the energy-storage system of the utility model is then more obvious compared to the advantage of diesel generating set.
Detailed description of the invention
In order to illustrate more clearly of the utility model embodiment technical solution, will make below to required in embodiment description
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the configuration diagram of Wind turbines in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram for the energy-storage system for Wind turbines that an embodiment of the present invention provides；
Fig. 3 is energy-storage system access Wind turbines and the schematic diagram in grid connection state in an embodiment of the present invention；
Fig. 4 is energy-storage system access Wind turbines and the schematic diagram in off-network state in an embodiment of the present invention；
Fig. 5 is the concrete structure schematic diagram of Wind turbines in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram for the communication management system for Wind turbines that an embodiment of the present invention provides.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing
Etc. being not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and they
Any deformation, it is intended that cover and non-exclusive include.Such as contain the process, method of a series of steps or units, system,
Product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or unit,
Or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Below by specific embodiment, it is described in detail respectively.
Referring to FIG. 1, Wind turbines may include blower 1 in the utility model embodiment, it is used to support the pylon of blower 1
System 2 and transmission chain system, yaw system etc..Wherein, blower is the abbreviation of wind-driven generator, and blower 1 mainly includes wind wheel
And generator, blower mainly include impeller, hub system etc..Tower system 2 mainly includes 21 He of tower for being used to support blower
It is used to support the basic platform 22 of tower 21.Particularly, in the utility model embodiment, Wind turbines may also include for wind-powered electricity generation
The energy-storage system 3 of unit.
Referring to FIG. 2, the utility model embodiment provides a kind of energy-storage system for Wind turbines, it may include:
Energy storage battery system 30, energy storage bidirectional converter (PCS) 31 and energy storage monitor system 32；
The energy storage battery system 30 may include battery modules 301 and for monitoring and controlling the battery modules 301
Battery management system 302, the battery modules 301 access the bus of the Wind turbines, the cell tube through the PCS 31
Reason system 302 is connect with the battery modules 301, the PCS 31 and the energy storage monitor system 32 respectively；
The PCS 31 is used to carry out the transformation of alternating current-direct current, realizes the energy of the Wind turbines Yu the battery modules 301
Amount conversion；
The energy storage battery system 30 is used as the backup power source of the Wind turbines, when meeting charge condition by the wind
Motor group charges through the PCS, powers through the PCS to the Wind turbines from electricity system when meeting discharging condition；
The energy storage monitor system 32 is for detecting, managing and controlling entire energy-storage system.
It wherein, is the general designation for each system for needing to be driven by electricity in Wind turbines from electricity system.The energy-storage system is
The main carriers of power storage and release are followed by through PCS boosting into wind power generation set system power supply.
Optionally, the energy storage battery system 30 further includes air-conditioning equipment, lighting apparatus and fire-fighting equipment etc..
Optionally, the PCS accesses the 400V bus of the Wind turbines through low tension switch, realizes and described from electricity consumption system
System connection, the low tension switch are controlled by the energy storage monitor system.
Optionally, the energy storage battery system and the PCS are set in energy storage cabinet, and the energy storage cabinet is independently installed in described
Basic platform.
Optionally, the battery modules use electrochemical lithium cells.Electrochemical lithium cells have the characteristics that high circulation number, can protect
Card energy-storage system has permanent life cycle.
Optionally, if the Wind turbines are in grid connection state, the energy-storage system is in current source PQ control model；If
The Wind turbines are in off-network state, and the energy-storage system is in voltage-frequency conversion V/F control model.
Optionally, under PQ control model: when the measured power of the Wind turbines is more than rated power, and the energy storage
When system spare electricity is less than the first setting value such as 100%, charge for the energy-storage system；When the Wind turbines
Measured power be less than rated power, and the energy-storage system remaining capacity be greater than the second setting value such as 30% when, it is described
Energy storage system discharges.First setting value is greater than the second setting value.
Optionally, under V/F control model, the energy storage system discharges.
Optionally, the energy-storage system is not involved in the control of Wind turbines and the control of the whole audience, only according to collected
Whole audience information and Wind turbines real time information provide the control instruction of energy-storage system in conjunction with the operating condition of itself.
For technical solutions of the utility model convenient to carry out, the utility model also provides a kind of Wind turbines, including institute as above
The energy-storage system for Wind turbines stated.The Wind turbines are specifically as follows offshore wind farm unit.
More than, the utility model provides a kind of energy-storage system for Wind turbines and the wind including the energy-storage system
Motor group.The energy-storage system can be used as the backup power source of Wind turbines, guarantee that clean boot under extreme conditions is run, in wind
Motor group guarantees the normal operation from electricity system such as its yaw system during losing external electrical network electric power support, effective to improve
The safety of Wind turbines.For the region at sea and benefit of having inconvenient traffic, this energy-storage system is excellent compared to diesel generating set
Gesture is then more obvious.It, can be real by the charge and discharge control of energy-storage system meanwhile under wind power generating set normal operating condition
The existing grid-connected power regulation of blower, promotes unit electricity volume.
In the following, being described further in conjunction with specific application scenarios embodiment to technical solutions of the utility model.
Fig. 3 and Fig. 4 are please referred to, is the schematic diagram of the energy-storage system access Wind turbines of the utility model.Energy-storage battery system
System (BAT) is followed by then boosting to 690V bus bar side through transformer T2 into wind power generating set 400V bus bar side through PCS boosting,
Wind turbines are accessed from electricity system and wind power unit converter side.Wind power unit converter accesses power grid through transformer T1
35kV bus.Wherein, between 35kV bus and transformer T1, between transformer T1 and current transformer, transformer T1 and transformer T2
Between, between transformer T2 and 400V bus, be respectively equipped with switch Q1, Q2, Q3 and Q4.
In the present embodiment, Wind turbines normal operating conditions is in other words under grid-connected working condition, electric energy caused by blower
35kV bus bar side is boosted to through current transformer unsteady flow and transformer T1 to send outside.Under Wind turbines off-network working condition, energy-storage system
Electric discharge is powered through 400V bus wind generating set from electricity system.It as shown in Figure 3 and Figure 4, is that Wind turbines are in simultaneously respectively
The schematic diagram of net state and off-network state.
Referring to figure 3., when wind power generating set is in grid connection state, i.e. switch Q1, Q2, Q3, Q4 is closed, energy-storage system
It operates under Mode1 state, PCS receives the control instruction that upper management system such as energy storage tuning controller provides, into electricity
Stream source (PQ) control model.Specifically, it can be executed in the following manner when energy-storage system runs on current source (PQ) mode: mode
If one, the measured power of wind power generating set is more than its rated power, and energy-storage system remaining capacity is less than the first setting value example
As charged when 100% for energy-storage system；Mode two, when wind power generating set power be less than its rated power when, and
When energy-storage system remaining capacity is greater than the second setting value such as 30%, energy storage system discharges.Optionally, to avoid blower from existing
Frequent charge and discharge when rated power power bracket, settable control hysteresis, such as remaining capacity may be configured as mode one
Less than charging operations are just executed after the first setting value and certain time, mode two may be configured as to be greater than the second setting value
And discharge operation is just executed after certain time.
Referring to FIG. 4, when wind power generating set is in off-network state, i.e. when switch Q1, Q2, Q3, Q4 is disconnected, energy-storage system
It runs under Mode2 state, PCS receives the control instruction that upper management system provides, and realizes voltage-frequency conversion (V/F) control
System.Under V/F control model, discharge operation is can be performed in energy-storage system, is powering from electricity system for Wind turbines.
Referring to FIG. 5, showing a kind of concrete structure diagram of energy-storage system, the energy-storage system can include: energy-storage system packet
Include energy storage battery system, energy storage bidirectional converter (PCS) and energy storage monitor system；Energy storage battery system specifically includes battery modules
(BP) and battery management system (BMS).Wherein, energy storage battery system is followed by through PCS boosting into wind power generating set 400V bus
Side.BMS respectively with battery modules (BP), energy storage bidirectional converter (PCS) and energy storage monitor system communication connection.PCS and wind
It can be in series with low tension switch between the 400V bus of motor group, which can be controlled by energy storage monitor system.
Referring to FIG. 6, the utility model also provides a kind of communication management system for Wind turbines, for managing and controlling
System is used for the energy-storage system of Wind turbines, and the Wind turbines include the energy-storage system as described above for being used for Wind turbines, institute
Stating communication management system includes: wind power plant Energy Management System (SCADA) monitoring system 61, Wind turbines master control system 62, with
And energy storage tuning controller 63；Wind turbines master control system 62 is for managing Wind turbines, and energy storage tuning controller 63 is for controlling
Energy-storage system processed.
The Wind turbines master control system 62, can be used for obtaining Wind turbines state parameter information, carry out fan monitoring, from
It is dynamic to adjust, realize maximal wind-energy capture and guarantee power grid compatibility；It is the important component of Wind turbines.
The SCADA monitoring system 61 can be used for obtaining the Wind turbines state of the Wind turbines master control system transmission
Parameter information obtains the information of the energy-storage system of the energy storage tuning controller transmission, Xiang Suoshu Wind turbines master control system
System issues control instruction, realizes control to the Wind turbines by controlling the Wind turbines master control system, and to institute
State energy storage tuning controller transmission wind power plant information；
The energy storage tuning controller 63 can be used for obtaining the Wind turbines state of the Wind turbines master control system transmission
Parameter information obtains the information of the energy-storage system and is transmitted to the SCADA monitoring system, obtains SCADA monitoring system
The wind power plant information of system transmission generates control instruction according to the above- mentioned information of acquisition, and issues control to the energy-storage system and refer to
It enables, realizes the control to the energy-storage system.
As shown in fig. 6, solid line indicates control signal transmission direction, energy storage tuning controller provides control instruction to energy storage system
System realizes the control to energy-storage system；Similarly, wind power plant Energy Management System SCADA monitoring system provides control instruction extremely
Wind turbines master control system by the control to Wind turbines master control system, and then realizes the control to Wind turbines.
As shown in fig. 6, dotted line indicates related status information transmission direction, energy storage tuning controller obtains energy-storage system letter
Breath, and energy-storage system information is transmitted to wind power plant Energy Management System SCADA monitoring system, Wind turbines master control system obtains wind
Motor group correlated condition parameter information is simultaneously transmitted to SCADA monitoring system and energy storage tuning controller, and energy storage tuning controller can
Receive the wind power plant relevant information of SCADA monitoring system transmission and the wind-light-electricity unit correlation-like of Wind turbines master control system transmission
State parameter information.
As shown in fig. 6, energy-storage system, energy storage tuning controller, SCADA monitoring system, Wind turbines master control system, wind-powered electricity generation
Unit together constitutes the communication structure of communication management system, to realize the control purpose to energy-storage system.
In conclusion the utility model embodiment provides a kind of energy-storage system for Wind turbines, a kind of wind turbine
Group and a kind of communication management system for Wind turbines.By using above-mentioned technical proposal, the utility model embodiment has
Following advantages:
The utility model provides backup power source of a set of safe and reliable energy-storage system as Wind turbines, in urgent feelings
Energy-storage system can power for Wind turbines from electricity system under condition, also, can be energy storage system under Wind turbines normal operating condition
System charges, in addition, under Wind turbines normal operating condition, by the charge and discharge control of energy-storage system, it can be achieved that wind-powered electricity generation
Set grid-connection power regulation promotes unit electricity volume.
Energy-storage system provided by the utility model as Wind turbines backup power source, can guarantee to pacify under extreme conditions
Full starting operation, guarantees its yaw system etc. from the normal of electricity system during Wind turbines lose external electrical network electric power support
Operation, the effective safety for improving Wind turbines.It is used especially for offshore wind generating.For sea and benefit of having inconvenient traffic
Region, the energy-storage system of the utility model is then more obvious compared to the advantage of diesel generating set.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, may refer to the associated description of other embodiments.
Above-described embodiment is only to illustrate the technical solution of the utility model, rather than its limitations；The common skill of this field
Art personnel are it is understood that it can still modify to technical solution documented by the various embodiments described above, or to its middle part
Technical characteristic is divided to be equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical
The spirit and scope of novel each embodiment technical solution.
Claims (10)
1. a kind of energy-storage system for Wind turbines characterized by comprising
Energy storage battery system, energy storage bidirectional converter PCS and energy storage monitor system；
The energy storage battery system includes battery modules and the battery management system for monitoring and controlling the battery modules, institute
State the bus that battery modules access the Wind turbines through the PCS, the battery management system respectively with the battery modules,
The PCS and energy storage monitor system connection；
The PCS is used to carry out the transformation of alternating current-direct current, realizes that the energy of the Wind turbines and the battery modules is converted；
The energy storage battery system is used as the backup power source of the Wind turbines, when meeting charge condition by the Wind turbines
It charges through the PCS, powers through the PCS to the Wind turbines from electricity system when meeting discharging condition；
The energy storage monitor system is for detecting, managing and controlling entire energy-storage system.
2. the energy-storage system according to claim 1 for Wind turbines, which is characterized in that
The PCS accesses the 400V bus of the Wind turbines through low tension switch, and realization is connect with described from electricity system, described
Low tension switch is controlled by the energy storage monitor system.
3. the energy-storage system according to claim 1 for Wind turbines, which is characterized in that
The energy storage battery system further includes air-conditioning equipment, lighting apparatus and fire-fighting equipment.
4. the energy-storage system according to claim 1 for Wind turbines, which is characterized in that
The Wind turbines include host and the tower system for being used to support host, and the tower system includes tower and is used for
Support the basic platform of the tower；The energy storage battery system and the PCS are set in energy storage cabinet, and the energy storage cabinet is independently pacified
Loaded on the basic platform.
5. the energy-storage system according to claim 1 for Wind turbines, which is characterized in that
If the Wind turbines are in grid connection state, the energy-storage system is in current source PQ control model；Mould is controlled in PQ
Under formula: when the Wind turbines measured power be more than rated power, and the energy-storage system remaining capacity less than first setting
When value, charge for the energy-storage system；When the measured power of the Wind turbines is less than rated power, and the energy storage system
When remaining capacity of uniting is greater than the second setting value, the energy storage system discharges；Wherein, the first setting value is greater than the second setting
Value.
6. the energy-storage system according to claim 1 for Wind turbines, which is characterized in that
If the Wind turbines are in off-network state, the energy-storage system is in voltage-frequency conversion V/F control model；In V/
Under F control model, the energy storage system discharges.
7. the energy-storage system according to claim 1 for Wind turbines, which is characterized in that
The battery modules use electrochemical lithium cells.
8. a kind of Wind turbines, which is characterized in that the energy-storage system including being used for Wind turbines as described in claim 1.
9. Wind turbines according to claim 8, which is characterized in that
The Wind turbines are specially offshore wind farm unit.
10. Wind turbines according to claim 8, which is characterized in that
The Wind turbines include host and the tower system for being used to support host, and the tower system includes tower and is used for
Support the basic platform of the tower；The energy storage battery system and PCS of the energy-storage system are set in energy storage cabinet, the energy storage cabinet
It is independently installed in the basic platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649674.4U CN209228535U (en) | 2018-10-11 | 2018-10-11 | Energy-storage system and Wind turbines for Wind turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649674.4U CN209228535U (en) | 2018-10-11 | 2018-10-11 | Energy-storage system and Wind turbines for Wind turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228535U true CN209228535U (en) | 2019-08-09 |
Family
ID=67499738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821649674.4U Active CN209228535U (en) | 2018-10-11 | 2018-10-11 | Energy-storage system and Wind turbines for Wind turbines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228535U (en) |
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2018
- 2018-10-11 CN CN201821649674.4U patent/CN209228535U/en active Active
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