CN208015451U - A kind of Anti-Typhoon backup power system of offshore wind turbine - Google Patents
A kind of Anti-Typhoon backup power system of offshore wind turbine Download PDFInfo
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- CN208015451U CN208015451U CN201820188838.1U CN201820188838U CN208015451U CN 208015451 U CN208015451 U CN 208015451U CN 201820188838 U CN201820188838 U CN 201820188838U CN 208015451 U CN208015451 U CN 208015451U
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- generating set
- wind
- backup power
- power supply
- typhoon
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses a kind of Anti-Typhoon backup power systems of offshore wind turbine, it is made of multiple backup power supplies, every wind power generating set in marine wind electric field is each equipped with a backup power supply being fixed on inside tower or on offshore platform, for control system and the yaw system power supply for wind power generating set in the case of wind power plant dead electricity at sea；The backup power supply includes diesel generating set and breaker, wherein, the diesel generating set accesses wind power generating set box type transformer low-pressure side by breaker, while controller, the start and stop for controlling diesel generating set are configured on the diesel generating set.After mainly for marine wind electric field and power grid electrical be detached from occurs for the utility model, the yaw system and control system power supply, reliability to offshore wind turbine are high.
Description
Technical field
The utility model is related to the technical fields of operation and control of electric power system, refer in particular to a kind of offshore wind generating
The Anti-Typhoon backup power system of group.
Background technology
With increasing for offshore wind farm capacity, improving the anti-typhoon capacity of offshore wind farm unit becomes more urgent.If
When wind power generating set being made to be in always within the scope of certain yaw error during typhoon, the load of unit can be reduced to most
It is small.The backup power supply of the electrical breakdown during typhoon, wind power generating set can ensure wind power generating set control system
Normal operation, reduction typhoon ensure the safety of unit to unit ultimate load, fatigue load always for system and yaw system.
A kind of wind power plant emergency power systems of harmonic carcellation resonance of Chinese patent CN204030602, including diesel generation
The equipment such as unit, step-up transformer, damping unit, shunt reactor, pressure regulator.In wind power plant dead electricity, start standby
Power-supply system realizes the power supply to wind power generating set.
Disadvantage：The patent can provide wind power generating set and yaw power supply in electrical breakdown, but there is also
Many disadvantages：
1, it is difficult to receive money early period, simultaneously network level is 35kV to the patent, needs entire wind power plant collection electric line data, electricity consumption of standing
Data.
2, expenditure of time is more, which needs to carry out emulation checking computations in conjunction with wind power plant concrete condition, and design is complicated.
3, the short circuit of the sides wind power plant 35kV is such as encountered, backup power supply exits risk.
If 4, encountering diesel generating set from the failures such as unsuccessfully are opened, lead to backup power supply input failure, poor reliability.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, providing a kind of simple and reasonable, safety can
Mainly for marine wind electric field and power grid electrical be detached from occurs for the Anti-Typhoon backup power system of offshore wind turbine leaned on
Afterwards, it powers to the yaw system of offshore wind turbine and control system.
To achieve the above object, technical solution provided by the utility model is：A kind of offshore wind turbine is combated typhoon
Wind backup power system is made of multiple backup power supplies, and every wind power generating set in marine wind electric field is each equipped with one
It is fixed on the backup power supply inside tower or on offshore platform, for being wind-driven generator in the case of wind power plant dead electricity at sea
Control system and the yaw system power supply of group；The backup power supply includes diesel generating set and breaker, wherein the bavin
Oily generating set accesses the box type transformer low-pressure side of wind power generating set by breaker, while on the diesel generating set
Configured with controller, the start and stop for controlling diesel generating set.
The control system of the controller and wind power generating set is established by optical fiber and is communicated to connect, and is connected by optical fiber ring network
It is connected to the Master Control Room of wind power generating set, wherein ICP/IP protocol is obeyed in the communication connection.
The output voltage of the diesel generating set is 690V.
The backup power supply is equipped with automatic jet type fire extinguisher.
The utility model compared with prior art, has the following advantages that and advantageous effect：
1, access voltage class is 690V, and voltage class is low, in terms of wind generator system high voltage power transmission
Design and problem, design are simple.
2, diesel generating set power is small, influences very little to wind generator system, present design need not be calculated
Machine simulating, verifying, expenditure of time are few.
3, used device type is few, of low cost, and for same wind power generating set, present design need not be again
Backup power supply scheme is designed, convenient for the marketization.
4, system structure is simple, and reliability is high.Present design configures a set of backup power supply per typhoon power generator group, i.e.,
Make to encounter single set backup power supply startup failure, can also make all wind power generating sets that can yaw by control strategy.
Description of the drawings
Fig. 1 is the backup power supply electrical wiring of the Anti-Typhoon backup power system of offshore wind turbine of the utility model
Figure.
Fig. 2 is the network topological diagram of the Anti-Typhoon backup power system of offshore wind turbine of the utility model.
Fig. 3 is the backup power supply Booting sequence figure of utility model.
Specific implementation mode
With reference to specific embodiment, the utility model is described in further detail.
The Anti-Typhoon backup power system of offshore wind turbine shown in Figure 1, that the present embodiment is provided, is by more
A backup power supply 1 forms, every wind power generating set in marine wind electric field be each equipped with one be fixed on inside tower or
The backup power supply of backup power supply (using container-type or outdoor installation mode) on offshore platform, and each backup power supply 1 is matched
Automatic jet type fire extinguisher (can realize the function of self-extinguishing after fire occurs) is had, for wind power plant dead electricity at sea
In the case of for wind power generating set control system and yaw system power supply.The backup power supply 1 includes diesel generating set
11 and breaker 12, the diesel generating set 11 passes through the box type transformer low pressure that breaker 12 accesses wind power generating set 2
The output voltage of side, the diesel generating set 11 is 690V, while controller is configured on the diesel generating set 11, is used
In the start and stop of control diesel generating set 11, it is detection diesel oil hair that the controller, which also has self-test, monitoring function, the self-test,
The state of motor group 11, it is described monitoring be diesel generating set 11 running state monitoring, fuel tank oil leak monitoring, it is on fire monitoring,
Oil temperature monitoring etc..
The control system of the controller and wind power generating set is established by optical fiber and is communicated to connect, and is connected by optical fiber ring network
It is connected to the Master Control Room of wind power generating set, wherein ICP/IP protocol is obeyed in the communication connection, network topology is referring to Fig. 2 institutes
Show.Present design configures a set of backup power supply per typhoon power generator group, even if encountering single set backup power supply starts failure
It can make all wind power generating sets that can yaw by control strategy.
The diesel generating set parameter is chosen as follows：
Set yaw power consumption major parameter is as shown in table 1.
1 set yaw power consumption of table calculates
P2=p1 × n1, p4=p2+p3
It is assumed that current collection connection n2 platform wind power generating sets, circuit network loss is p5, then this collects the connected wind of electric line
Power generator group all yaws required power p6=p4 × n2+p5.
Set yaw is idle, and amount is as shown in table 2.
2 set yaw of table is calculated without flowmeter
Q2=q1 × n1, q4=q2+q3
Single wind generator group yaw consumption reactive power is q4, it is assumed that current collection connection n2 typhoon power generators
Group, line loss q5.Then this collects the connected wind power generating set of electric line all required power q6=q4 × n2+ of yaw
q5。
Diesel generating set Capacity Selection：
Pn≥p6
In order to ensure the stabilization and reliability of marine wind electric field backup power system, the diesel-driven generator pool-size PnIt examines
It is Redundancy Design to consider.
As shown in figure 3, for the Booting sequence figure of the above-mentioned backup power supply of the present embodiment, detailed process is as follows：
1) after marine wind electric field dead electricity, collection electric line 35kV bus bar side breakers do not trip, and the sides main transformer 35kV are disconnected
Road device tripping.
2) controller of wind power generating set ensures that the breaker of wind power generating set does not trip.
3) breaker closing of backup power system, backup power supply start, and start the control system of direction wind-driven generator group
And yaw system power supply.
4) controller of diesel generating set detects whether to break down, and backup power supply starts until yaw if normal
Terminate, if diesel generating set failure, alarm is sent out to Central Control Room.
5) controller of diesel generating set detects whether, from success is opened, to start backup power supply if success until yaw
Terminate, if opening failure certainly, powers from successful backup power system is opened to offshore wind turbine yaw system, simultaneously
The yaw system of the offshore wind turbine of Xiang Ziqi failures, which powers or opens successful offshore wind turbine certainly, to have yawed
At backward from the offshore wind turbine yaw system power supply for opening failure, until this collects all Oversea wind power generations of electric line
Set yaw terminates.
6) yaw terminates, and exits backup power system.
The examples of implementation of the above are only the preferred embodiment of the utility model, not limit the utility model with this
Practical range, therefore change made by all shapes according to the utility model, principle, it should all cover in the scope of protection of the utility model
It is interior.
Claims (4)
1. a kind of Anti-Typhoon backup power system of offshore wind turbine, it is characterised in that：It is made of multiple backup power supplies, sea
Every wind power generating set in upper wind power plant is each equipped with the standby being fixed on inside tower or on an offshore platform electricity
Source, for control system and the yaw system power supply for wind power generating set in the case of wind power plant dead electricity at sea；The standby
Power supply includes diesel generating set and breaker, wherein the diesel generating set accesses wind-driven generator by breaker
The box type transformer low-pressure side of group, while controller is configured on the diesel generating set, for controlling diesel generating set
Start and stop.
2. the Anti-Typhoon backup power system of a kind of offshore wind turbine according to claim 1, it is characterised in that：Institute
The control system for stating controller and wind power generating set establishes communication connection by optical fiber, and wind-force hair is connected to by optical fiber ring network
The Master Control Room of motor group, wherein ICP/IP protocol is obeyed in the communication connection.
3. the Anti-Typhoon backup power system of a kind of offshore wind turbine according to claim 1, it is characterised in that：Institute
The output voltage for stating diesel generating set is 690V.
4. the Anti-Typhoon backup power system of a kind of offshore wind turbine according to claim 1, it is characterised in that：Institute
Backup power supply is stated equipped with automatic jet type fire extinguisher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820188838.1U CN208015451U (en) | 2018-02-05 | 2018-02-05 | A kind of Anti-Typhoon backup power system of offshore wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820188838.1U CN208015451U (en) | 2018-02-05 | 2018-02-05 | A kind of Anti-Typhoon backup power system of offshore wind turbine |
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| CN208015451U true CN208015451U (en) | 2018-10-26 |
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| CN201820188838.1U Active CN208015451U (en) | 2018-02-05 | 2018-02-05 | A kind of Anti-Typhoon backup power system of offshore wind turbine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149761A (en) * | 2018-08-06 | 2019-01-04 | 全球能源互联网欧洲研究院 | A kind of power supply system of sea change of current platform |
| CN110212638A (en) * | 2019-07-02 | 2019-09-06 | 华润风电(雷州)有限公司 | Blower is combated typhoon backup power source control system, method and blower |
| CN112383136A (en) * | 2020-11-18 | 2021-02-19 | 中国船舶重工集团海装风电股份有限公司 | Typhoon-resistant backup power supply system of wind generating set and control method |
| CN114189042A (en) * | 2021-11-15 | 2022-03-15 | 明阳智慧能源集团股份公司 | Backup power control system of offshore wind turbine generator and power starting and stopping method thereof |
-
2018
- 2018-02-05 CN CN201820188838.1U patent/CN208015451U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149761A (en) * | 2018-08-06 | 2019-01-04 | 全球能源互联网欧洲研究院 | A kind of power supply system of sea change of current platform |
| CN110212638A (en) * | 2019-07-02 | 2019-09-06 | 华润风电(雷州)有限公司 | Blower is combated typhoon backup power source control system, method and blower |
| CN112383136A (en) * | 2020-11-18 | 2021-02-19 | 中国船舶重工集团海装风电股份有限公司 | Typhoon-resistant backup power supply system of wind generating set and control method |
| CN114189042A (en) * | 2021-11-15 | 2022-03-15 | 明阳智慧能源集团股份公司 | Backup power control system of offshore wind turbine generator and power starting and stopping method thereof |
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