CN114189042A - Backup power control system of offshore wind turbine generator and power starting and stopping method thereof - Google Patents

Backup power control system of offshore wind turbine generator and power starting and stopping method thereof Download PDF

Info

Publication number
CN114189042A
CN114189042A CN202111347298.XA CN202111347298A CN114189042A CN 114189042 A CN114189042 A CN 114189042A CN 202111347298 A CN202111347298 A CN 202111347298A CN 114189042 A CN114189042 A CN 114189042A
Authority
CN
China
Prior art keywords
short message
generator
beidou
instruction
monitoring platform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111347298.XA
Other languages
Chinese (zh)
Inventor
郭江涛
唐彬伟
袁敏根
陈烁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MingYang Smart Energy Group Co Ltd
Original Assignee
MingYang Smart Energy Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MingYang Smart Energy Group Co Ltd filed Critical MingYang Smart Energy Group Co Ltd
Priority to CN202111347298.XA priority Critical patent/CN114189042A/en
Publication of CN114189042A publication Critical patent/CN114189042A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/08Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00028Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851Systems using a satellite or space-based relay
    • H04B7/18513Transmission in a satellite or space-based system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08Protocols for interworking; Protocol conversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/26Special purpose or proprietary protocols or architectures
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00Transmission systems of control signals via wireless link
    • G08C2201/40Remote control systems using repeaters, converters, gateways
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment

Abstract

The invention discloses an offshore wind turbine backup power control system and a power supply starting and stopping method thereof. The invention can remotely control the diesel generator of the backup power supply of the wind turbine generator through the monitoring platform under the conditions of power loss of the wind turbine generator in typhoon, power loss of the offshore wind turbine generator and the like, thereby ensuring the safety of the wind turbine generator in typhoon.

Description

Backup power control system of offshore wind turbine generator and power starting and stopping method thereof
Technical Field
The invention relates to the technical field of offshore generator set backup power supply control, in particular to an offshore wind turbine set backup power supply control system based on a Beidou communication technology and a backup power supply starting and stopping method thereof.
Background
Along with the development of coastal wind power generation sets and offshore wind power generation sets, the risk of typhoon damage is increased. In the prior art, the communication with the backup power supply of the offshore wind turbine generator set is mainly realized through wireless communication networks such as 4G, and the remote start of the backup power supply is realized, so that the wind turbine generator set is prevented from being damaged by typhoon through controlling the yaw of the wind turbine generator. However, the wireless communication network base station located at the sea is easily attacked by typhoon, the maintenance cost is high, and the defects that the signal is weak or even no signal exists in the open sea wind turbine generator set, and the like, and in addition, the wireless communication network is easily affected by wind and rain to cause a rain attenuation phenomenon during typhoon, and information transmission can be interfered.
After the offshore wind turbine generator is hoisted, the condition that the offshore wind turbine generator is out of power, such as grid connection debugging is not carried out or a current collecting circuit is not laid is not carried out, if typhoon attacks, wireless communication network signals such as 4G are affected by the typhoon signals unstably, personnel can not go out of the sea, the start of the diesel generator of the backup power supply of the offshore wind turbine generator can not be controlled during the typhoon period, the mode of preventing the offshore wind turbine generator from typhoon is started, and therefore a system which can stably and remotely control the start and stop of the diesel generator of the backup power supply of the offshore wind turbine generator during the typhoon period is urgently needed. The Beidou satellite navigation system is a navigation system independently developed in China, the Beidou communication technology is widely applied to the commercial field, the user message with fixed bytes can be transmitted in a long distance in a short message communication mode, the Beidou satellite navigation system has the advantages of low error rate, long transmission distance and the like, and the Beidou satellite navigation system has wide prospects in the field of development and application of the Beidou satellite navigation system to the control of backup power supplies of offshore wind turbine generators.
Disclosure of Invention
The invention provides an offshore wind turbine generator backup power supply control system based on Beidou communication technology and a backup power supply starting and stopping method thereof, aiming at the problems that information transmission of a 4G wireless communication network and the like is easily interfered by wind and rain, a coastal base station is easily attacked by typhoon, the maintenance cost and the equipment cost of the 4G wireless communication technology are high, and weak signals and even no signals exist in the open sea.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a backup power supply control system of an offshore wind turbine generator system comprises a diesel generator and comprises a control end and a field end, wherein the control end comprises a monitoring platform and a first Beidou short message receiving and transmitting module, the field end comprises a generator controller and a second Beidou short message receiving and transmitting module, and a Beidou satellite is used as an intermediate link of short message transmission between the control end and the field end;
the monitoring platform is used for sending an instruction for controlling the start or stop of the diesel generator and receiving information whether the diesel generator is started or stopped;
the first Beidou short message receiving and transmitting module is used for converting the instruction sent by the monitoring platform into a short message according to a specified protocol and then sending the short message to the Beidou satellite, receiving the short message sent by the Beidou satellite and converting the short message into an instruction according to the specified protocol and sending the instruction to the monitoring platform;
the second Beidou short message receiving and transmitting module is used for converting a short message sent by the Beidou satellite into a generator control instruction according to a specified protocol and sending the generator control instruction to the generator controller, and converting information sent by the generator controller into a short message according to the specified protocol;
the generator controller receives an instruction sent by the second Beidou short message transceiving module to control the diesel generator to start or stop, and transmits information about whether the diesel generator is started or stopped back to the monitoring platform; the diesel generator is started or stopped to supply power or cut off power to a yaw motor of the wind turbine generator, and the yaw motor achieves yaw through rotation after obtaining power supply of the diesel generator.
Preferably, the first Beidou short message transceiving module and the monitoring platform are powered by a power grid.
Preferably, the second Beidou short message transceiving module and the generator controller are powered by a storage battery; when the diesel generator is started, the power can be supplied to the yaw motor and the storage battery at the same time, so that the normal operation of the yaw motor is guaranteed, and the electric quantity stored in the storage battery is maintained at a high level.
Preferably, the monitoring platform is composed of a server and a display screen, the server is used for storing, receiving and sending information, and the display screen is used for displaying whether the diesel generator is started or stopped.
The invention also provides a backup power supply starting method of the backup power supply control system of the offshore wind turbine generator system, which comprises the following steps:
1) starting an anti-typhoon mode during typhoon; the monitoring platform sends a starting instruction for controlling the diesel generator, the starting instruction is sent to the first Beidou short message receiving and sending module, and the first Beidou short message receiving and sending module receives the starting instruction, converts the starting instruction into a short message according to a specified protocol and sends the short message to the Beidou satellite;
2) the Beidou satellite sends the received short message to a second Beidou short message receiving and sending module;
3) the second Beidou short message receiving and sending module receives the short message, converts the short message into a generator starting instruction according to a specified protocol and sends the generator starting instruction to the generator controller, and the generator controller receives the instruction to control the diesel generator to start and supply power to the yaw motor;
4) after the diesel generator is started, the generator controller transmits the started information of the generator back to a second Beidou short message receiving and transmitting module, converts the started information into short messages according to a specified protocol and transmits the short messages to a Beidou satellite;
5) the Beidou satellite sends the short message to a first Beidou short message receiving and sending module;
6) the first Beidou short message receiving and sending module receives the short message, converts the short message into started information according to a specified protocol and sends the started information to the monitoring platform, and finally the started information of the diesel generator is displayed on the monitoring platform.
The invention also provides a backup power supply stopping method of the backup power supply control system of the offshore wind turbine generator system, which comprises the following steps:
1) the monitoring platform sends a stop instruction for controlling the diesel generator, the stop instruction is sent to the first Beidou short message receiving and sending module, and the first Beidou short message receiving and sending module receives the stop instruction, converts the stop instruction into a short message according to a specified protocol and sends the short message to the Beidou satellite;
2) the Beidou satellite sends the received short message to a second Beidou short message receiving and sending module;
3) the second Beidou short message receiving and sending module receives the short message, converts the short message into a generator stopping instruction according to a specified protocol and sends the generator stopping instruction to the generator controller, and the generator controller receives the instruction to control the diesel generator to stop running and stop supplying power to the yaw motor;
4) after the diesel generator stops, the generator controller returns generator stop information to a second Beidou short message receiving and transmitting module, converts the stop information into short messages according to a specified protocol and transmits the short messages to a Beidou satellite;
5) the Beidou satellite sends the short message to a first Beidou short message receiving and sending module;
6) the first Beidou short message receiving and sending module receives the short message and then converts the short message into stopped information according to a specified protocol and sends the stopped information to the monitoring platform, and finally the stopped information of the diesel generator is displayed on the monitoring platform.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the cost is low, and compared with wireless communication networks such as 4G, the base station maintenance cost is reduced, and the Beidou communication equipment is low in price.
2. The coverage is wide, the Beidou system realizes global coverage at present, the Beidou communication range can cover the open sea, and the problem that open sea signals are weak or no signals exists.
3. The anti-interference capability is strong, the Beidou satellite signals adopt L/S wave bands, the influence of rain attenuation is small, and the influence of wind and rain is small during typhoon.
Based on the advantages, the remote control system can remotely control the diesel generator of the backup power supply of the offshore wind turbine generator through the monitoring platform under the conditions of power loss of the offshore wind turbine generator and the like in the typhoon period based on the Beidou communication technology, so that the safety of the offshore wind turbine generator in the typhoon period is guaranteed.
Drawings
FIG. 1 is an architectural diagram of the system of the present invention.
Fig. 2 is a structural diagram of a control end.
Fig. 3 is a diagram of a site end structure.
FIG. 4 is a control flow diagram of the system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1, the offshore wind turbine generator system backup power control system provided by the embodiment comprises a control end and a field end, wherein the control end comprises a monitoring platform and a first big dipper short message transceiver module, the field end comprises a generator controller and a second big dipper short message transceiver module, physical interfaces of the first big dipper short message transceiver module and the second big dipper short message transceiver module are RS485 interfaces, and the control end and the field end are connected through a big dipper satellite as an intermediate link of short message transmission. Wherein:
the monitoring platform is used for sending an instruction for controlling the starting or stopping of the diesel generator of the backup power supply and receiving information whether the diesel generator is started or stopped;
the first Beidou short message receiving and transmitting module is used for converting the instruction sent by the monitoring platform into a short message according to a specified protocol and then sending the short message to the Beidou satellite, receiving the short message sent by the Beidou satellite and converting the short message into an instruction according to the specified protocol and sending the instruction to the monitoring platform;
the second Beidou short message receiving and transmitting module is used for converting a short message sent by the Beidou satellite into a generator control instruction according to a specified protocol and sending the generator control instruction to the generator controller, and converting information sent by the generator controller into a short message according to the specified protocol;
the generator controller receives an instruction sent by the second Beidou short message transceiving module to control the diesel generator to start or stop, and transmits information about whether the diesel generator is started or stopped back to the monitoring platform; the diesel generator is started or stopped to supply power or cut off power to a yaw motor of the wind turbine generator, and the yaw motor achieves yaw through rotation after obtaining power supply of the diesel generator.
Referring to fig. 2, the first beidou short message transceiver module and the monitoring platform are powered by a power grid.
Referring to fig. 3, the second beidou short message transceiver module and the generator controller are powered by a storage battery; when the diesel generator is started, the power can be supplied to the yaw motor and the storage battery at the same time, so that the normal operation of the yaw motor is guaranteed, and the electric quantity stored in the storage battery is maintained at a high level.
When the typhoon comes, if the offshore wind turbine generator is hoisted and not debugged and grid-connected or a current collecting circuit is not laid and the like, the offshore wind turbine generator cannot automatically yaw at the moment, and the typhoon prevention mode is started by a diesel generator of a backup power supply to realize the yaw.
According to meteorological data, the monitoring platform judges the yaw angle required to be realized by each wind turbine generator, determines the working time of the corresponding diesel generator, and sends starting and stopping information to the generator controller. The second Beidou short message receiving and transmitting module of each offshore wind turbine generator set is provided with a uniquely determined identification code, so that the first Beidou short message receiving and transmitting module can conveniently transmit data with the second Beidou short message receiving and transmitting module. The identification code may be a card number or a device number.
The server of the monitoring platform is connected with the first Beidou short message receiving and sending module through a serial port, and the monitoring platform and the Beidou short message receiving and sending module both utilize a power grid as a power supply. Referring to fig. 4, firstly, the monitoring platform sends an instruction containing the start or stop of the generator to the first beidou short message transceiver module, and the instruction contains the address of the corresponding second beidou short message transceiver module, information for controlling the start of the diesel generator and additional information. After receiving the instruction from the monitoring platform, the first Beidou short message receiving and transmitting module arranges the instruction according to a general data interface 4.0 protocol of a Beidou satellite navigation method, and transmits the instruction to the second Beidou short message receiving and transmitting module of each offshore wind turbine generator set at the site end in a short message form through a Beidou satellite.
After receiving corresponding short message information, each second Beidou short message receiving and transmitting module at the site end unpacks according to the general data interface 4.0 protocol of the Beidou satellite navigation method to obtain a corresponding instruction and transmits the corresponding instruction to the generator controller. The generator controller is connected with the second Beidou short message receiving and transmitting module at the field end through a serial port. The generator controller analyzes the instruction, if the instruction is a starting instruction, the diesel generator is controlled to be started to supply power to the yaw motor, and if the instruction is a stopping instruction, the diesel generator is controlled to stop supplying power to the yaw motor. The second Beidou short message transceiver module of the site end and the power supply of the generator controller come from the storage battery, and after the diesel generator is started, the power supply can be supplied to the yaw motor and the storage battery at the same time, so that the reliable and stable operation of each device of the site end is guaranteed.
After the diesel generator is started or stopped, the generator controller transmits the information that the diesel generator is started or stopped back to the monitoring platform according to the reverse mode and displays the information on the display of the monitoring platform.
Through the mode, the offshore wind turbine generator can be started by utilizing the Beidou communication technology under the condition of power loss such as no grid connection or no laying of a current collection circuit and the like during the typhoon, and the offshore wind turbine generator can be controlled to yaw, so that the safety of the offshore wind turbine generator during the typhoon is guaranteed.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (6)

1. The utility model provides an offshore wind turbine generator system back-up source control system, back-up source contains diesel generator, its characterized in that: the system comprises a control end and a field end, wherein the control end comprises a monitoring platform and a first Beidou short message receiving and transmitting module, the field end comprises a generator controller and a second Beidou short message receiving and transmitting module, and a Beidou satellite is used between the control end and the field end as an intermediate link of short message transmission;
the monitoring platform is used for sending an instruction for controlling the start or stop of the diesel generator and receiving information whether the diesel generator is started or stopped;
the first Beidou short message receiving and transmitting module is used for converting the instruction sent by the monitoring platform into a short message according to a specified protocol and then sending the short message to the Beidou satellite, receiving the short message sent by the Beidou satellite and converting the short message into an instruction according to the specified protocol and sending the instruction to the monitoring platform;
the second Beidou short message receiving and transmitting module is used for converting a short message sent by the Beidou satellite into a generator control instruction according to a specified protocol and sending the generator control instruction to the generator controller, and converting information sent by the generator controller into a short message according to the specified protocol;
the generator controller receives an instruction sent by the second Beidou short message transceiving module to control the diesel generator to start or stop, and transmits information about whether the diesel generator is started or stopped back to the monitoring platform; the diesel generator is started or stopped to supply power or cut off power to a yaw motor of the wind turbine generator, and the yaw motor achieves yaw through rotation after obtaining power supply of the diesel generator.
2. The offshore wind turbine farm backup power control system of claim 1, wherein: the first Beidou short message transceiving module and the monitoring platform are powered by a power grid.
3. The offshore wind turbine farm backup power control system of claim 1, wherein: the second Beidou short message transceiving module and the generator controller are powered by a storage battery; when the diesel generator is started, the power can be supplied to the yaw motor and the storage battery at the same time, so that the normal operation of the yaw motor is guaranteed, and the electric quantity stored in the storage battery is maintained at a high level.
4. The utility model provides an offshore wind turbine generator system reserve power control system which characterized in that: the monitoring platform consists of a server and a display screen, wherein the server is used for storing, receiving and sending information, and the display screen is used for displaying whether the diesel generator is started or stopped.
5. A method for starting a backup power supply of a backup power supply control system of an offshore wind turbine unit according to any of claims 1 to 4, comprising the steps of:
1) starting an anti-typhoon mode during typhoon; the monitoring platform sends a starting instruction for controlling the diesel generator, the starting instruction is sent to the first Beidou short message receiving and sending module, and the first Beidou short message receiving and sending module receives the starting instruction, converts the starting instruction into a short message according to a specified protocol and sends the short message to the Beidou satellite;
2) the Beidou satellite sends the received short message to a second Beidou short message receiving and sending module;
3) the second Beidou short message receiving and sending module receives the short message, converts the short message into a generator starting instruction according to a specified protocol and sends the generator starting instruction to the generator controller, and the generator controller receives the instruction to control the diesel generator to start and supply power to the yaw motor;
4) after the diesel generator is started, the generator controller transmits the started information of the generator back to a second Beidou short message receiving and transmitting module, converts the started information into short messages according to a specified protocol and transmits the short messages to a Beidou satellite;
5) the Beidou satellite sends the short message to a first Beidou short message receiving and sending module;
6) the first Beidou short message receiving and sending module receives the short message, converts the short message into started information according to a specified protocol and sends the started information to the monitoring platform, and finally the started information of the diesel generator is displayed on the monitoring platform.
6. A method for stopping a backup power supply of a backup power supply control system of an offshore wind turbine unit according to any of claims 1 to 4, comprising the steps of:
1) the monitoring platform sends a stop instruction for controlling the diesel generator, the stop instruction is sent to the first Beidou short message receiving and sending module, and the first Beidou short message receiving and sending module receives the stop instruction, converts the stop instruction into a short message according to a specified protocol and sends the short message to the Beidou satellite;
2) the Beidou satellite sends the received short message to a second Beidou short message receiving and sending module;
3) the second Beidou short message receiving and sending module receives the short message, converts the short message into a generator stopping instruction according to a specified protocol and sends the generator stopping instruction to the generator controller, and the generator controller receives the instruction to control the diesel generator to stop running and stop supplying power to the yaw motor;
4) after the diesel generator stops, the generator controller returns generator stop information to a second Beidou short message receiving and transmitting module, converts the stop information into short messages according to a specified protocol and transmits the short messages to a Beidou satellite;
5) the Beidou satellite sends the short message to a first Beidou short message receiving and sending module;
6) the first Beidou short message receiving and sending module receives the short message and then converts the short message into stopped information according to a specified protocol and sends the stopped information to the monitoring platform, and finally the stopped information of the diesel generator is displayed on the monitoring platform.
CN202111347298.XA 2021-11-15 2021-11-15 Backup power control system of offshore wind turbine generator and power starting and stopping method thereof Pending CN114189042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111347298.XA CN114189042A (en) 2021-11-15 2021-11-15 Backup power control system of offshore wind turbine generator and power starting and stopping method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111347298.XA CN114189042A (en) 2021-11-15 2021-11-15 Backup power control system of offshore wind turbine generator and power starting and stopping method thereof

Publications (1)

Publication Number Publication Date
CN114189042A true CN114189042A (en) 2022-03-15

Family

ID=80540051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111347298.XA Pending CN114189042A (en) 2021-11-15 2021-11-15 Backup power control system of offshore wind turbine generator and power starting and stopping method thereof

Country Status (1)

Country Link
CN (1) CN114189042A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098975A (en) * 2014-05-14 2015-11-25 国家电网公司 Power grid remote intelligent monitoring system based on Beidou short message communication and monitoring method
CN208015451U (en) * 2018-02-05 2018-10-26 明阳智慧能源集团股份公司 A kind of Anti-Typhoon backup power system of offshore wind turbine
US20200166017A1 (en) * 2017-06-08 2020-05-28 Mhi Vestas Offshore Wind A/S Operation of a wind turbine during grid loss using a power storage unit
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
CN214660613U (en) * 2021-03-31 2021-11-09 江苏金风科技有限公司 Power supply control system of wind generating set and wind generating set

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098975A (en) * 2014-05-14 2015-11-25 国家电网公司 Power grid remote intelligent monitoring system based on Beidou short message communication and monitoring method
US20200166017A1 (en) * 2017-06-08 2020-05-28 Mhi Vestas Offshore Wind A/S Operation of a wind turbine during grid loss using a power storage unit
CN208015451U (en) * 2018-02-05 2018-10-26 明阳智慧能源集团股份公司 A kind of Anti-Typhoon backup power system of offshore wind turbine
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
CN214660613U (en) * 2021-03-31 2021-11-09 江苏金风科技有限公司 Power supply control system of wind generating set and wind generating set

Similar Documents

Publication Publication Date Title
EP2063112B1 (en) Wind turbine with data receiver
CN102721741B (en) Wind power blade damage monitoring and positioning system based on wireless acoustic emission sensor network
CN103560584B (en) A kind of based on wireless photovoltaic plant state monitoring apparatus
CN105043494A (en) Real-time underground water level monitoring device
CN102542773A (en) System capable of utilizing remote meteorological monitoring to realize disaster prevention and method therefor
CN106680533B (en) Wind characteristic monitoring system and monitoring method based on big-dipper satellite
CN101599212A (en) Geotechnical engineering field monitoring high-speed remote wireless transmission device and method thereof
CN112367112A (en) Deep sea subsurface buoy real-time data transmission system based on multimode satellite communication system
CN202231875U (en) Power transmission line monitoring base station and system
KR102295779B1 (en) System for managing water storage tank using small hydroelectric generator
CN213213467U (en) Deep sea subsurface buoy real-time data transmission system based on multimode satellite communication system
CN114189042A (en) Backup power control system of offshore wind turbine generator and power starting and stopping method thereof
CN211014654U (en) Dual-mode positioning beacon suitable for ocean comprehensive observation buoy
CN214660613U (en) Power supply control system of wind generating set and wind generating set
CN208046986U (en) A kind of navigation light remote control telemetering system based on AIS
CN103439938A (en) Small hydropower station control system
CN206272342U (en) The long-range Generation Control terminal of base station oil engine based on Internet of Things
CN114189820B (en) Buoy data acquisition system and control method
CN202532191U (en) Oil-gas pipeline and manual valve chamber integrated leakage monitoring terminal
CN210533489U (en) Ultrasonic water level meter and water level monitoring system
CN110737004A (en) double-mode positioning beacon and method suitable for ocean comprehensive observation buoy
CN112260748A (en) Electric power Beidou communication system and communication method based on Beidou communication technology
CN220204044U (en) Parameter acquisition device and system of wind generating set
CN113406669A (en) Remote monitoring module and monitoring method based on Beidou navigation satellite system
CN219798488U (en) NBIOT-based ultrasonic water level monitor for Internet of things

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination