CN205882723U - Wind -powered electricity generation field reserve power supply design system that combines energy storage - Google Patents
Wind -powered electricity generation field reserve power supply design system that combines energy storage Download PDFInfo
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- CN205882723U CN205882723U CN201620770844.9U CN201620770844U CN205882723U CN 205882723 U CN205882723 U CN 205882723U CN 201620770844 U CN201620770844 U CN 201620770844U CN 205882723 U CN205882723 U CN 205882723U
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- energy storage
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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 wind -powered electricity generation field reserve power supply design system that combines energy storage, include: energy storage equipment, wherein: energy storage equipment links to each other with the electric wire netting, is used for stabilizing the power swing of wind -powered electricity generation field, energy storage equipment links to each other with major control system, change oar system, driftage system and auxiliary system, and it is right to be used for major control system change oar system the driftage system reaches auxiliary system carries out the reserve power supply. The utility model discloses an energy memory coordinates wind power generation output, to the impact and the influence of electric wire netting when not only effectively reducing the wind -powered electricity generation and being incorporated into the power networks to supply power for the fan subsystem as the back -up source, both satisfied the unit emergency demand of emergency down, saved the cost again.
Description
Technical field
This utility model relates to technical field of wind power generation, and the wind energy turbine set back-up source particularly to a kind of combination energy storage sets
Meter systems.
Background technology
Refering to shown in Fig. 1, for current energy storage use situation in wind energy turbine set, wind energy turbine set installs energy storage device and electrical network phase
Even, the energy-accumulating power station building suitable capacity in wind energy turbine set and wind energy turbine set cooperation are equivalent to.The randomness of wind energy, intermittence
Make wind-power electricity generation be affected relatively greatly by weather and region etc. feature, by energy storage technology, wind-powered electricity generation is carried out " peak load shifting ", will have
It is beneficial to power grid security, stable, economical operation and the power supply quality of electrical network.Energy storage device capacity is very big, and is connected with electrical network, has
Effect reduces impact and impact when wind-electricity integration runs on electrical network.
In order to ensure the safety of unit, multiple subsystems of Wind turbines all devise back-up source, are exactly mainly electricity
Can power when net goes wrong emergency measure.Subsystem is equipped with back-up source and adds the expense of machine set system, and
The finite capacity of back-up source, service life is the most limited.
Therefore, in order to overcome the problems referred to above, if jumbo energy storage device is not only connected with electrical network, and and wind-powered electricity generation
The subsystem of unit is connected, and serves as back-up source for each subsystem, is the research direction place of those skilled in the art.
Summary of the invention
Main purpose of the present utility model is to provide the wind energy turbine set back-up source design system of a kind of combination energy storage, and it will
Energy storage device is incorporated in unit, substitutes the back-up source of unit subsystem, or exists with back-up source simultaneously, forms redundancy
Back-up source.
In order to achieve the above object, this utility model provides the wind energy turbine set back-up source design system of a kind of combination energy storage,
Including: energy storage device, wherein:
Described energy storage device is connected with electrical network, is used for stabilizing the power swing of wind energy turbine set；
Described energy storage device is connected with master control system, pitch-controlled system, yaw system and aid system, for described master control
System, described pitch-controlled system, described yaw system and described aid system carry out backup.
Preferably in embodiment, described energy storage device is one or several combination following: lead-acid battery, cadmium nickel electricity
Pond, Ni-H cell, lithium battery, sodium-sulphur battery, flow battery.
Preferably in embodiment, described energy storage device include super capacitor, described super capacitor be used for being charged and
Electric discharge.
Preferably in embodiment, described master control system, described pitch-controlled system, described yaw system and described aid system
Connect back-up source respectively, be used for emergency measure.
This utility model coordinates output power of wind power generation by energy storage device, the most effectively to electricity during minimizing wind-electricity integration
The impact of net and impact, and be that blower fan subsystem is powered as back-up source, both meet what unit was in emergency circumstances met an urgent need
Demand, provides cost savings again.
Accompanying drawing explanation
Fig. 1 is the wind energy turbine set back-up source present situation of current energy storage；
The schematic diagram of the wind energy turbine set back-up source design system of Fig. 2 position a kind of combination energy storage of the present utility model.
Detailed description of the invention
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.It should be noted that do not conflicting
In the case of, the embodiment in the application and the feature in embodiment can be mutually combined.
As in figure 2 it is shown, be the schematic diagram of the wind energy turbine set back-up source design system of this utility model a kind of combination energy storage, this
The wind energy turbine set back-up source design system of the combination energy storage of utility model includes that energy storage device 1, energy storage device 1 are connected with electrical network 2,
It is used for stabilizing the power swing of wind energy turbine set, effectively reduces impact and impact on electrical network when wind-electricity integration runs.
Energy storage device 1 is also connected with unit, i.e. with master control system 31, pitch-controlled system 32, yaw system 33 and aid system
34 are connected, and carry out backup for master control system 31, pitch-controlled system 32, yaw system 33 and aid system 34, it is ensured that unit
Safety.
Energy storage device 1 can be following in one or several combine, such as lead-acid battery, ickel-cadmium cell, hydrogen
Nickel-based battery, lithium battery, sodium-sulphur battery, flow battery, including super capacitor etc., its energy can carry out two-way flow at any time and (fill
Electricity and electric discharge).
In order to ensure the safety of unit, multiple subsystems (master control system 31, pitch-controlled system 32, the yaw system of unit
33 and aid system 34) all devise and when back-up source 4, mainly electrical network go wrong, complete emergency measure, master control system 31
Back-up source 4 ensure that main control PLC can monitor the state of unit, and ensure normal with Central Control Room communication；Pitch-controlled system 32
Back-up source 4 ensure that blade can normal feathering；The back-up source 4 of yaw system 33 guarantees normally to go off course；Auxiliary sets
The back-up source 4 of standby 34 provides convenient for repair and maintenance.
In view of the feature that energy storage device 1 capacity is big, it is designed into the back-up source of each subsystem of unit.If it is original
Subsystem back-up source still retain if, be equivalent to it and possess two set back-up sources, the safety of unit can be improved.
After unit employs large-scale energy storage device, it is possible not only to realize the energetic interaction with electrical network 2, it is also possible to for unit
Subsystem is powered, and reaches the effect of back-up source, this makes it possible to substitute original subsystem back-up source, reaches cost-effective
Effect.And owing to energy storage device 1 capacity is very big, subsystem back-up source can be made for a long time.
This utility model coordinates output power of wind power generation by energy storage device, the most effectively to electricity during minimizing wind-electricity integration
The impact of net and impact, and be that blower fan subsystem is powered as back-up source, both meet what unit was in emergency circumstances met an urgent need
Demand, provides cost savings again.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
Technical staff for, this utility model can have various modifications and variations.It is all within spirit of the present utility model and principle,
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (4)
1. the wind energy turbine set back-up source design system combining energy storage, it is characterised in that including: energy storage device, wherein:
Described energy storage device is connected with electrical network, is used for stabilizing the power swing of wind energy turbine set；
Described energy storage device is connected with master control system, pitch-controlled system, yaw system and aid system, for described master control system
System, described pitch-controlled system, described yaw system and described aid system carry out backup.
The wind energy turbine set back-up source design system of a kind of combination energy storage the most according to claim 1, it is characterised in that described
Energy storage device is one or several combination following: lead-acid battery, ickel-cadmium cell, Ni-H cell, lithium battery, sodium-sulphur battery,
Flow battery.
The wind energy turbine set back-up source design system of a kind of combination energy storage the most according to claim 1, it is characterised in that described
Energy storage device includes that super capacitor, described super capacitor are used for charging and discharging.
The wind energy turbine set back-up source design system of a kind of combination energy storage the most according to claim 1, it is characterised in that described
Master control system, described pitch-controlled system, described yaw system and described aid system connect back-up source respectively, have been used for meeting an urgent need
Measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620770844.9U CN205882723U (en) | 2016-07-20 | 2016-07-20 | Wind -powered electricity generation field reserve power supply design system that combines energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620770844.9U CN205882723U (en) | 2016-07-20 | 2016-07-20 | Wind -powered electricity generation field reserve power supply design system that combines energy storage |
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| CN205882723U true CN205882723U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620770844.9U Active CN205882723U (en) | 2016-07-20 | 2016-07-20 | Wind -powered electricity generation field reserve power supply design system that combines energy storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572252A (en) * | 2020-04-28 | 2021-10-29 | 北京金风科创风电设备有限公司 | Backup power supply system, wind generating set and variable pitch control method |
-
2016
- 2016-07-20 CN CN201620770844.9U patent/CN205882723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572252A (en) * | 2020-04-28 | 2021-10-29 | 北京金风科创风电设备有限公司 | Backup power supply system, wind generating set and variable pitch control method |
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