CN105098831B - A kind of current transformer whole set equipment based on fiber optic communication and wind generator system - Google Patents
A kind of current transformer whole set equipment based on fiber optic communication and wind generator system Download PDFInfo
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- CN105098831B CN105098831B CN201510417351.7A CN201510417351A CN105098831B CN 105098831 B CN105098831 B CN 105098831B CN 201510417351 A CN201510417351 A CN 201510417351A CN 105098831 B CN105098831 B CN 105098831B
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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
Abstract
This application discloses a kind of current transformer whole set equipment based on fiber optic communication and wind generator system, the first current transformer complete machine in this equipment, for by the first optical fiber cable group, the synchronization pulse and the status data information relevant to self duty that self are produced are sent to the second current transformer complete machine；Second current transformer complete machine, for by the second optical fiber cable group, the synchronization pulse and the status data information relevant to self duty that self are produced are sent to the first current transformer complete machine.The application is carry out synchronization pulse and the transmission of status data information by optical fiber between current transformer complete machine, owing to optical fiber itself has the capacity of resisting disturbance of higher electromagnetic noise to external world, so the synchronization pulse of current transformer complete machine and status data information can stable quickly transmission in a fiber.Visible, the application achieves between current transformer when carrying out data communication, improves the purpose of the capacity of resisting disturbance of electromagnetic noise to external world.
Description
Technical field
The present invention relates to technical field of wind power generation, whole particularly to a kind of current transformer based on fiber optic communication
Machine equipment and wind generator system.
Background technology
In existing wind generator system, the alternating current that wind-driven generator produces is due to instability, it is impossible to
Directly input electrical network, need under the effect of current transformer, unstable alternating current is converted into and is suitable for input
The electric energy of electrical network.Direct-driving type wind power generation machine is a kind of relatively conventional wind-driven generator, and this wind-force is sent out
Output power of motor is big, and its internal structure can be divided into simplex winding and Multiple coil, wherein, Multiple coil typically with
Double winding is in the majority.Owing to the output when double winding of separate unit direct-driving type wind power generation machine runs is up to 2.5
To 3MW, correspondingly need to configure the matched operation of current transformer of 2.5 to 3MW.At present, separate unit 2.5
Bulky to the current transformer of 3MW, it is impossible to put into blower fan tower barrel, thus need by use two 1 to
1.5MW current transformer parallel connection accesses the mode of two windings of electromotor and meets the requirement that complete machine generates electricity.
When two current transformers drive a typhoon power generator jointly, need to meet and run timing requirements, also need
There are the most all mobilities, the most also require stream, overvoltage excessively are quickly responded and keep preferable one
Cause property, is otherwise likely to result in the faults such as blower fan driving, frequent shutdown.Existing common way is to utilize CAN
Two current transformers are coupled together by bus, RS485 interface etc. so that the controller in two current transformers it
Between realize data exchange, with reach coordinate control purpose.
But, owing to the electromagnetic noise of two current transformer operationally systems is very big, use CAN
Or RS485 interface is when carrying out data communication, communication process is easily subject to electromagnetic interference, causes data easily to be lost
Lose, communication speed slack-off, be unfavorable for stablizing of system.
In sum it can be seen that between current transformer when carrying out data communication, how to improve to external world
The capacity of resisting disturbance of electromagnetic noise, is the most urgently to be resolved hurrily asking to improve communication speed and communication robust
Topic.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of current transformer whole set equipment based on fiber optic communication and
Wind generator system, it is achieved that between current transformer when carrying out data communication, improves electromagnetism to external world and makes an uproar
The purpose of the capacity of resisting disturbance of sound, thus improve communication speed and communication robust.Its concrete scheme is such as
Under:
A kind of current transformer whole set equipment based on fiber optic communication, is applied to wind generator system, including first
Current transformer complete machine, the second current transformer complete machine, the first optical fiber cable group and the second optical fiber cable group；Described first light
Fine line group and described second optical fiber cable group all include at least one optical fiber cable；
Described first current transformer complete machine, for by described first optical fiber cable group, the synchronization self produced
It is whole that pulse signal and the status data information relevant to self duty are sent to described second current transformer
Machine；
Described second current transformer complete machine, for by described second optical fiber cable group, the synchronization self produced
It is whole that pulse signal and the status data information relevant to self duty are sent to described first current transformer
Machine.
Preferably, described first current transformer complete machine includes the first control module and the first controlled module；Described
Second current transformer complete machine includes the second control module and the second controlled module；
Described first control module, for when described first current transformer complete machine and described second current transformer complete machine
Between complete the transmission of synchronization pulse and status data information after, correspondingly produce the first control and refer to
Order, utilizes described first control instruction that described first controlled module is carried out corresponding control process；
Described second control module, for when described first current transformer complete machine and described second current transformer complete machine
Between complete the transmission of synchronization pulse and status data information after, correspondingly produce the second control and refer to
Order, utilizes described second control instruction that described second controlled module is carried out corresponding control process.
Preferably, described first controlled module and described second controlled module all include rectification unit, inversion
Unit, Chopper protected location and Crowbar protected location.
Preferably, described first control module and described second control module all include master board and simulation
Signal detection plate；
Analog signal detection plate in described first control module, is used for detecting described first current transformer complete machine
Status data information, and this status data information is sent to the main control in described first control module
Plate；
Analog signal detection plate in described second control module, is used for detecting described second current transformer complete machine
Status data information, and this status data information is sent to the main control in described second control module
Plate.
Preferably, described first control module and described second control module the most also include interface board；
Described interface board includes digital data transmission interface, analogue signal coffret, system communication interface
And sensor interface.
Preferably, the master board in described first control module and described second control module all includes DSP
Chip, fpga chip, optic fiber transceiver module and optical fiber sending module；
By parallel data line or serial data between dsp chip and fpga chip in each control module
Line is attached；
Optical fiber sending module in described first control module is by described first optical fiber cable group, with described
Optic fiber transceiver module in two control modules is communicatively coupled；
Optical fiber sending module in described second control module is by described second optical fiber cable group, with described
Optic fiber transceiver module in one control module is communicatively coupled.
Preferably, the optical fiber cable in described first optical fiber cable group and described second optical fiber cable group is plastic light
Fine line.
Preferably, described first optical fiber cable group includes that N bar optical fiber cable, described second optical fiber cable group include M bar
Optical fiber cable, wherein, N and M is the integer more than or equal to 2；
Any one optical fiber cable in described N bar optical fiber cable as carrier synchronization line, remaining optical fiber cable conduct
Data wire；Any one optical fiber cable in described M bar optical fiber cable as carrier synchronization line, remaining optical fiber cable
As data wire；
Carrier synchronization line in described first optical fiber cable group, for produce described first current transformer complete machine
Synchronization pulse is transferred to described second current transformer complete machine；Data wire in described first optical fiber cable group,
For the status data information of described first current transformer complete machine is transferred to described second current transformer complete machine；
Carrier synchronization line in described second optical fiber cable group, for produce described second current transformer complete machine
Synchronization pulse is transferred to described first current transformer complete machine；Data wire in described second optical fiber cable group,
For the status data information of described second current transformer complete machine is transferred to described first current transformer complete machine.
Preferably, described first optical fiber cable group and described second optical fiber cable group all only include an optical fiber cable；
Wherein,
Optical fiber cable in described first optical fiber cable group, for the synchronization produced by described first current transformer complete machine
Pulse signal and its status data information are transferred to described second current transformer complete machine；
Optical fiber cable in described second optical fiber cable group, for the synchronization produced by described second current transformer complete machine
Pulse signal and its status data information are transferred to described first current transformer complete machine.
The invention also discloses a kind of wind generator system, including L platform aforesaid current transformer whole set equipment；Also
Including L platform direct-driving type wind power generation machine and electrical network；Wherein, L is positive integer, and described L platform current transformer complete machine sets
For connecting one to one with described L platform direct-driving type wind power generation machine；
Described current transformer whole set equipment, for the alternating current conversion produced by described direct-driving type wind power generation machine
Become to be suitable for the electric energy being incorporated into the power networks, and described electric energy is sent into described electrical network.
In the present invention, the first current transformer complete machine passes through the first optical fiber cable group, the lock-out pulse self produced
Signal and the status data information relevant to self duty are sent to the second current transformer complete machine；Second
Current transformer complete machine then by the second optical fiber cable group, synchronization pulse that self is produced and with self work
The status data information making state relevant is sent to the first current transformer complete machine.Visible, current transformer in the present invention
It is to carry out synchronization pulse and the transmission of status data information, due to optical fiber by optical fiber between complete machine
Itself there is the capacity of resisting disturbance of higher electromagnetic noise to external world, so, the synchronization arteries and veins of current transformer complete machine
Rush signal and status data information can stable in a fiber quickly be transmitted so that current transformer whole set equipment can
Stably to carry out operation.That is, present invention achieves between current transformer when carrying out data communication,
Improve the purpose of the capacity of resisting disturbance of electromagnetic noise to external world, thus improve communication speed and communication robust
Property.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is that disclosed in the embodiment of the present invention, a kind of current transformer whole set equipment structure based on fiber optic communication is shown
It is intended to；
Fig. 2 is another kind of current transformer whole set equipment structure based on fiber optic communication disclosed in the embodiment of the present invention
Schematic diagram；
Fig. 3 is the embodiment of the present invention another current transformer whole set equipment structure based on fiber optic communication disclosed
Schematic diagram；
Fig. 4 is a kind of concrete current transformer whole set equipment based on fiber optic communication disclosed in the embodiment of the present invention
Structural representation；
Fig. 5 is that disclosed in the embodiment of the present invention, another kind of concrete current transformer complete machine based on fiber optic communication sets
Standby structural representation；
Fig. 6 is that the embodiment of the present invention another concrete current transformer complete machine based on fiber optic communication disclosed sets
Standby structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the invention discloses a kind of current transformer whole set equipment based on fiber optic communication, be applied to wind-force
Electricity generation system.Shown in Figure 1, this current transformer whole set equipment includes that the first current transformer complete machine 11, second becomes
Stream device complete machine the 12, first optical fiber cable group 13 and the second optical fiber cable group 14；First optical fiber cable group 13 and the second light
Fine line group 14 all includes at least one optical fiber cable；
First current transformer complete machine 11, for by the first optical fiber cable group 13, the lock-out pulse self produced
Signal and the status data information relevant to self duty are sent to the second current transformer complete machine 12；
Second current transformer complete machine 12, for by the second optical fiber cable group 14, the lock-out pulse self produced
Signal and the status data information relevant to self duty are sent to the first current transformer complete machine 11.
In the embodiment of the present invention, the first current transformer complete machine passes through the first optical fiber cable group, and self produced is same
It is whole that step pulse signal and the status data information relevant to self duty are sent to the second current transformer
Machine；Second current transformer complete machine then by the second optical fiber cable group 14, by the synchronization pulse that self produces with
And the status data information relevant to self duty is sent to the first current transformer complete machine.Visible, this
Bright embodiment carries out synchronization pulse and status data information by optical fiber between current transformer complete machine
Transmission, owing to optical fiber itself has the capacity of resisting disturbance of higher electromagnetic noise to external world, so, become
The synchronization pulse of stream device complete machine and status data information can stable in a fiber quickly be transmitted so that
Current transformer whole set equipment can stably carry out operation.That is, the embodiment of the present invention achieves works as current transformer
Between when carrying out data communication, improve the purpose of the capacity of resisting disturbance of electromagnetic noise to external world, thus carry
High communication speed and communication robust.
The embodiment of the invention discloses a kind of concrete current transformer whole set equipment based on fiber optic communication, relatively
In a upper embodiment, internal structure and the annexation of current transformer whole set equipment are entered by the present embodiment
The explanation of one step.Particular content is as follows:
Shown in Figure 2, in the present embodiment, the first current transformer complete machine 11 can include the first control module 111
With the first controlled module 112；Second current transformer complete machine 12 can include that the second control module 121 and second is subject to
Control module 122；
First control module 111, for when complete between the first current transformer complete machine 11 and the second current transformer complete machine 12
After having become the transmission of synchronization pulse and status data information, correspondingly produce the first control instruction, profit
By the first control instruction, the first controlled module 112 is carried out corresponding control process；
Second control module 121, for when complete between the first current transformer complete machine 11 and the second current transformer complete machine 12
After having become the transmission of synchronization pulse and status data information, correspondingly produce the second control instruction, profit
By the second control instruction, the second controlled module 122 is carried out corresponding control process.
Shown in Figure 3, the first controlled module 112 and the second controlled module 122 in the present embodiment can be equal
Including rectification unit 21, inversion unit 22, Chopper protected location 23 (i.e. overvoltage protective unit) and
Crowbar protected location 24 (i.e. low voltage crossing protected location).Certainly, the present embodiment is also not excluded for
State the first controlled module 112 and the second controlled module 122 can also include other kinds of electric unit.Need
It is noted that when two current transformer complete machines in the present embodiment run simultaneously, can be by software to whole
Carrier phase angle in stream unit 21 and inversion unit 22 is controlled, to reduce the interference of complete machine harmonic wave.
In the present embodiment, the first control module 111 and the second control module 121 may each comprise master board
31 and analog signal detection plate 32；
Wherein, the analog signal detection plate 32 in the first control module 111, whole for detection the first current transformer
The status data information of machine 11, and this status data information is sent to the master control in the first control module 111
Making sheet 31；Analog signal detection plate 32 in second control module 121, for detection the second current transformer complete machine
The status data information of 12, and this status data information is sent to the main control in the second control module 121
Plate 31.
Further, above-mentioned first control module 111 and the second control module 121 all can also include interface
Plate 33；
Wherein, interface board 33 can include digital data transmission interface, analogue signal coffret, system
Communication interface and sensor interface, above-mentioned interface is all as expansion interface, for according to actual needs, with
The external world carries out the data communication of necessity.
Master board 31 in the present embodiment, in the first control module 111 and the second control module 121
To include dsp chip 311 (DSP, i.e. Digital Signal Process, Digital Signal Processing), FPGA
Chip 312 (FPGA, i.e. Field Programmable Gate Array, field programmable gate array),
Optic fiber transceiver module 313 and optical fiber sending module 314；
By parallel data line or string between dsp chip 311 and fpga chip 312 in each control module
Row data wire is attached；Optic fiber transceiver module 313 in each control module and optical fiber sending module 314
And it is directly connected between fpga chip 312 or is attached by general data chip, with satisfied high speed
Data exchange requirement.It should be noted that above-mentioned parallel data line or serial data line can pass through DSP
Parallel bus interface or software simulation parallel bus interface that chip 311 carries realize.
Optical fiber sending module 314 in first control module 111 is by the first optical fiber cable group 13, with the second control
Optic fiber transceiver module 313 in molding block 121 is communicatively coupled；
Optical fiber sending module 314 in second control module 121 is by the second optical fiber cable group 14, with the first control
Optic fiber transceiver module 313 in molding block 111 is communicatively coupled.
As a kind of preferred version, in the first optical fiber cable group 13 in the present embodiment and the second optical fiber cable group 14
Optical fiber cable be plastic optical fiber wire.Due to plastic optical fiber wire light weight, there is outstanding flexibility, pliable
Folding, the damage capability height that opposing is extraneous, so that current transformer whole set equipment has outside more vibration
When working in boundary's environment, optical fiber cable is not easily susceptible to the destruction in the external world, it is ensured that being normally carried out of communication process.
It addition, the present embodiment utilizes universal industrial optical fiber interface be attached with complete machine by optical fiber, relatively
In interface and RS485 interface for connecting CAN, the connected mode of universal industrial optical fiber interface is more
Simply, reliably, the cost of interface is relatively low, it is easy to implement.
It is further to note that the first current transformer complete machine 11 and the second current transformer complete machine 12 in the present embodiment
In the communication process of dsp chip 311 be identical.When system is run, the first current transformer complete machine 11 is set
For main frame, the second current transformer complete machine 12 is set to from machine.Below as a example by the dsp chip 311 in main frame,
The communication process of a kind of preferred dsp chip is illustrated:
Step S11: the dsp chip 311 of main frame enters interrupt processing journey according to the carrier frequency of pwm signal
Sequence, produces synchronization pulse, by optical fiber sending module 314 according to the carrier frequency of pwm signal simultaneously
Synchronization pulse is sent to from machine；After receiving above-mentioned synchronization pulse from machine, by himself
The status data information such as voltage, electric current and fault be sent to main frame, and be saved in the fpga chip of main frame
In 312；
Step S12: the dsp chip 311 of main frame reads the status number from machine preserved in fpga chip 312
It is believed that breath, and this status data information is carried out computing, be calculated the PWM carrier parameter from machine, so
Rear Loading Control order, and these data are saved in the transmission relief area, inside of main frame dsp chip 311；
Step S13: its internal data sent in relief area are written to FPGA core by main frame dsp chip 311
The internal buffer of sheet 312, and the transmission enable position of set fpga chip 312, to notify fpga chip
312 send data, and fpga chip 312, will be by optical fiber sending module after receiving the notice sending data
Above-mentioned data are sent to from machine by 314；
After step S14:DSP chip 311 loads the data preserved in local PWM depositor, to other numbers
According to carrying out corresponding data operation, logical process and communication process, it is then log out interrupt handling routine；
Step S15:DSP chip 311 brings into operation mastery routine.
Process when data process that carries out fpga chip 312 below illustrates:
When the fpga chip 312 of main frame receives data transmission instruction, the data preserved inside it are turned
Change serial data stream into, and add verification, encode according to default coding rule, then will coding
After data be sent to from machine by optical fiber sending module 314；
When the fpga chip 312 of main frame detect on optic fiber transceiver module 313, low transition occurs time, meaning
Taste and is now sent data to main frame from machine, and now the fpga chip 312 of main frame starts to detect data
Frame head, and according to default decoding rule to the decoding data sended over from machine, then will decoding
After data be saved in the internal data registers of fpga chip 312, wait the dsp chip 311 in main frame
Carry out digital independent.
The disclosed process being a kind of preferred fpga chip and carrying out data process of foregoing, but not
Getting rid of fpga chip also can use other mode to carry out data process.
In the embodiment of the present invention, it is to carry out synchronization pulse and state by optical fiber between current transformer complete machine
The transmission of data message, owing to optical fiber itself has the capacity of resisting disturbance of higher electromagnetic noise to external world,
So the synchronization pulse of current transformer complete machine and status data information can stable in a fiber quickly pass
Defeated.Visible, the application achieves between current transformer when carrying out data communication, improves electromagnetism to external world
The purpose of the capacity of resisting disturbance of noise, thus improve communication speed and communication robust, meet DSP
The requirement that chip controls in real time.
The embodiment of the invention discloses a kind of concrete current transformer whole set equipment based on fiber optic communication, relatively
In a upper embodiment, the first optical fiber cable group in the present embodiment includes N bar optical fiber cable, the second optical fiber cable group bag
Including M bar optical fiber cable, wherein, N and M is the integer more than or equal to 2；
Any one optical fiber cable in above-mentioned N bar optical fiber cable as carrier synchronization line, remaining optical fiber cable conduct
Data wire；Any one optical fiber cable in above-mentioned M bar optical fiber cable as carrier synchronization line, remaining optical fiber cable
As data wire；
Carrier synchronization line in first optical fiber cable group, for the lock-out pulse produced by the first current transformer complete machine
Signal is transferred to the second current transformer complete machine；Data wire in first optical fiber cable group, for by the first current transformer
The status data information of complete machine is transferred to the second current transformer complete machine；
Carrier synchronization line in second optical fiber cable group, for the lock-out pulse produced by the second current transformer complete machine
Signal is transferred to the first current transformer complete machine；Data wire in second optical fiber cable group, for by the second current transformer
The status data information of complete machine is transferred to the first current transformer complete machine.
More specifically content can be found in Fig. 4 and Fig. 5.Fig. 4 is a kind of concrete base disclosed in the embodiment of the present invention
In the current transformer whole set equipment structural representation of fiber optic communication, Fig. 5 is another kind of disclosed in the embodiment of the present invention
Concrete current transformer whole set equipment structural representation based on fiber optic communication.
In Fig. 4, the first optical fiber cable group includes 3 optical fiber cables, two of which as data wire, remaining one
Bar is as carrier synchronization line；Second optical fiber cable group also includes 3 optical fiber cables, two of which as data wire,
Remaining one as carrier synchronization line.Accordingly, the optic fiber transceiver module 313 in each current transformer complete machine
All including that 3 optical fiber receive unit 6R, the optical fiber sending module 314 in each current transformer complete machine all includes 3
Individual optical fiber transmitting element 5T.Wherein, 3 optical fiber transmitting element 5T in the first current transformer complete machine 11 lead to respectively
3 optical fiber crossed in 3 optical fiber cables in the first optical fiber cable group and the second current transformer complete machine 12 receive unit 6R
Connect one to one；3 optical fiber transmitting element 5T in second current transformer complete machine 12 are respectively by second
3 optical fiber cables in optical fiber cable group and 3 optical fiber in the first current transformer complete machine 11 receive unit 6R and carry out one
One corresponding connection.
In Fig. 5, the first optical fiber cable group includes 2 optical fiber cables, and wherein one as data wire, another row culture
For carrier synchronization line；Second optical fiber cable group also includes 2 optical fiber cables, and wherein one as data wire, another
Bar is as carrier synchronization line.Accordingly, the optic fiber transceiver module 313 in each current transformer complete machine all includes 2
Individual optical fiber receives unit 6R, and the optical fiber sending module 314 in each current transformer complete machine all includes that 2 optical fiber are sent out
Send unit 5T.Wherein, 2 optical fiber transmitting element 5T in the first current transformer complete machine 11 are respectively by the first light
2 optical fiber cables in fine line group and 2 optical fiber in the second current transformer complete machine 12 receive unit 6R to be carried out one by one
Corresponding connection；2 optical fiber transmitting element 5T in second current transformer complete machine 12 are respectively by the second optical fiber cable group
In 2 optical fiber cables and 2 optical fiber in the first current transformer complete machine 11 receive unit 6R and carry out one_to_one corresponding even
Connect.
The embodiment of the invention discloses another kind of concrete current transformer whole set equipment based on fiber optic communication, phase
For a upper embodiment, shown in Figure 6, the first optical fiber cable group in the present embodiment and the second optical fiber cable group
All only including an optical fiber cable, accordingly, the optic fiber transceiver module 313 in each current transformer complete machine all includes
1 optical fiber receives unit 6R, and the optical fiber sending module 314 in each current transformer complete machine all includes that 1 optical fiber is sent out
Send unit 5T.Wherein, the optical fiber transmitting element 5T in the first current transformer complete machine 11 passes through the first optical fiber cable group
In optical fiber cable and optical fiber in the second current transformer complete machine 12 receive unit 6R and be attached；Second current transformer
Optical fiber transmitting element 5T in complete machine 12 is by the optical fiber cable in the second optical fiber cable group and the first current transformer complete machine
Optical fiber in 11 receives unit 6R and is attached.
In the present embodiment, the optical fiber cable in the first optical fiber cable group and the second optical fiber cable group both can be used as data wire,
It also is used as carrier synchronization line.Concrete:
Optical fiber cable in first optical fiber cable group, for the lock-out pulse letter produced by the first current transformer complete machine 11
Number and its status data information be transferred to the second current transformer complete machine 12；
Optical fiber cable in second optical fiber cable group, for the lock-out pulse letter produced by the second current transformer complete machine 12
Number and its status data information be transferred to the first current transformer complete machine 11.
The embodiment of the invention also discloses a kind of wind generator system, including the change in L platform previous embodiment
Stream device whole set equipment；Also include L platform direct-driving type wind power generation machine and electrical network；Wherein, L is positive integer, L
Platform current transformer whole set equipment connects one to one with L platform direct-driving type wind power generation machine；
Current transformer whole set equipment, is suitable for also for being converted into by the alternating current that direct-driving type wind power generation machine produces
The electric energy of network operation, and electric energy is sent into electrical network.
Wherein, above-mentioned each current transformer whole set equipment all includes the first current transformer complete machine, the second current transformer
Complete machine, the first optical fiber cable group and the second optical fiber cable group；First optical fiber cable group and the second optical fiber cable group all include
At least one optical fiber cable；
First current transformer complete machine, for by the first optical fiber cable group, the synchronization pulse self produced
And the status data information relevant to self duty is sent to the second current transformer complete machine；
Second current transformer complete machine, for by the second optical fiber cable group, the synchronization pulse self produced
And the status data information relevant to self duty is sent to the first current transformer complete machine.
In the embodiment of the present invention, the first current transformer complete machine passes through the first optical fiber cable group, and self produced is same
It is whole that step pulse signal and the status data information relevant to self duty are sent to the second current transformer
Machine；Second current transformer complete machine then by the second optical fiber cable group, synchronization pulse that self is produced and
The status data information relevant to self duty is sent to the first current transformer complete machine.Visible, the present invention
Embodiment is carry out synchronization pulse and the biography of status data information by optical fiber between current transformer complete machine
Defeated, owing to optical fiber itself has the capacity of resisting disturbance of higher electromagnetic noise to external world, so, unsteady flow
The synchronization pulse of device complete machine and status data information can stable in a fiber quickly be transmitted so that become
Stream device whole set equipment can stably carry out operation.That is, the embodiment of the present invention achieve when current transformer it
Between when carrying out data communication, improve the purpose of the capacity of resisting disturbance of electromagnetic noise to external world, improve logical
News speed and communication robust, and then ensure that the stability of wind generator system.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like
It is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires
Or imply relation or the order that there is any this reality between these entities or operation.And, art
Language " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, thus
Make to include that the process of a series of key element, method, article or equipment not only include those key elements, and
Also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that person's equipment is intrinsic.In the case of there is no more restriction, by statement " including ... "
The key element limited, it is not excluded that also deposit in including the process of described key element, method, article or equipment
In other identical element.
Above to a kind of current transformer whole set equipment based on fiber optic communication provided by the present invention and wind-power electricity generation
System is described in detail, and principle and the embodiment of the present invention are entered by specific case used herein
Having gone elaboration, the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；
Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in detailed description of the invention and
All will change in range of application, in sum, this specification content should not be construed as the present invention
Restriction.
Claims (10)
1. a current transformer whole set equipment based on fiber optic communication, it is characterised in that be applied to wind-power electricity generation
System, including the first current transformer complete machine, the second current transformer complete machine, the first optical fiber cable group and the second optical fiber cable
Group；Described first optical fiber cable group and described second optical fiber cable group all include at least one optical fiber cable；
Described first current transformer complete machine, for by described first optical fiber cable group, the synchronization self produced
It is whole that pulse signal and the status data information relevant to self duty are sent to described second current transformer
Machine；
Described second current transformer complete machine, for by described second optical fiber cable group, the synchronization self produced
It is whole that pulse signal and the status data information relevant to self duty are sent to described first current transformer
Machine；
Wherein, status data information specifically includes voltage, electric current and fault message.
Current transformer whole set equipment based on fiber optic communication the most according to claim 1, it is characterised in that
Described first current transformer complete machine includes the first control module and the first controlled module；Described second current transformer is whole
Machine includes the second control module and the second controlled module；
Described first control module, for when described first current transformer complete machine and described second current transformer complete machine
Between complete the transmission of synchronization pulse and status data information after, correspondingly produce the first control and refer to
Order, utilizes described first control instruction that described first controlled module is carried out corresponding control process；
Described second control module, for when described first current transformer complete machine and described second current transformer complete machine
Between complete the transmission of synchronization pulse and status data information after, correspondingly produce the second control and refer to
Order, utilizes described second control instruction that described second controlled module is carried out corresponding control process.
Current transformer whole set equipment based on fiber optic communication the most according to claim 2, it is characterised in that
Described first controlled module and described second controlled module all include rectification unit, inversion unit, Chopper
Protected location and Crowbar protected location.
Current transformer whole set equipment based on fiber optic communication the most according to claim 3, it is characterised in that
Described first control module and described second control module all include master board and analog signal detection plate；
Analog signal detection plate in described first control module, is used for detecting described first current transformer complete machine
Status data information, and this status data information is sent to the main control in described first control module
Plate；
Analog signal detection plate in described second control module, is used for detecting described second current transformer complete machine
Status data information, and this status data information is sent to the main control in described second control module
Plate.
Current transformer whole set equipment based on fiber optic communication the most according to claim 4, it is characterised in that
Described first control module and described second control module the most also include interface board；
Described interface board includes digital data transmission interface, analogue signal coffret, system communication interface
And sensor interface.
Current transformer whole set equipment based on fiber optic communication the most according to claim 5, it is characterised in that
Master board in described first control module and described second control module all include dsp chip,
Fpga chip, optic fiber transceiver module and optical fiber sending module；
By parallel data line or serial number between dsp chip and fpga chip in each control module
It is attached according to line；
Optical fiber sending module in described first control module is by described first optical fiber cable group, with described
Optic fiber transceiver module in two control modules is communicatively coupled；
Optical fiber sending module in described second control module is by described second optical fiber cable group, with described
Optic fiber transceiver module in one control module is communicatively coupled.
7. according to the current transformer whole set equipment based on fiber optic communication described in any one of claim 1 to 6,
It is characterized in that, the optical fiber cable in described first optical fiber cable group and described second optical fiber cable group is plastic light
Fine line.
Current transformer whole set equipment based on fiber optic communication the most according to claim 7, it is characterised in that
Described first optical fiber cable group includes that N bar optical fiber cable, described second optical fiber cable group include M bar optical fiber cable, its
In, N and M is the integer more than or equal to 2；
Any one optical fiber cable in described N bar optical fiber cable is as carrier synchronization line, and remaining optical fiber cable is made
For data wire；Any one optical fiber cable in described M bar optical fiber cable as carrier synchronization line, remaining light
Fine line is as data wire；
Carrier synchronization line in described first optical fiber cable group, for produce described first current transformer complete machine
Synchronization pulse is transferred to described second current transformer complete machine；Data wire in described first optical fiber cable group,
For the status data information of described first current transformer complete machine is transferred to described second current transformer complete machine；
Carrier synchronization line in described second optical fiber cable group, for produce described second current transformer complete machine
Synchronization pulse is transferred to described first current transformer complete machine；Data wire in described second optical fiber cable group,
For the status data information of described second current transformer complete machine is transferred to described first current transformer complete machine.
Current transformer whole set equipment based on fiber optic communication the most according to claim 7, it is characterised in that
Described first optical fiber cable group and described second optical fiber cable group all only include an optical fiber cable；Wherein,
Optical fiber cable in described first optical fiber cable group, for the synchronization produced by described first current transformer complete machine
Pulse signal and its status data information are transferred to described second current transformer complete machine；
Optical fiber cable in described second optical fiber cable group, for the synchronization produced by described second current transformer complete machine
Pulse signal and its status data information are transferred to described first current transformer complete machine.
10. a wind generator system, it is characterised in that include that L platform such as claim 1 to 9 is arbitrary
Current transformer whole set equipment described in Xiang；Also include L platform direct-driving type wind power generation machine and electrical network；Wherein, L
For positive integer, described L platform current transformer whole set equipment and described L platform direct-driving type wind power generation machine one_to_one corresponding
Connect；
Described current transformer whole set equipment, for the alternating current conversion produced by described direct-driving type wind power generation machine
Become to be suitable for the electric energy being incorporated into the power networks, and described electric energy is sent into described electrical network.
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| CN201510417351.7A CN105098831B (en) | 2015-07-15 | 2015-07-15 | A kind of current transformer whole set equipment based on fiber optic communication and wind generator system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105429442B (en) * | 2015-12-19 | 2018-01-30 | 四川中大华瑞能源技术有限公司 | The optical fibre communication method and system of high-power current converting device |
| CN111600501B (en) * | 2020-05-09 | 2022-09-06 | 青岛鼎信通讯股份有限公司 | PWM carrier synchronization method applied to power electronic transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102222981A (en) * | 2011-06-17 | 2011-10-19 | 大连尚能科技发展有限公司 | Wind power converter monitoring system and wind power generation system |
| CN102891501A (en) * | 2012-09-25 | 2013-01-23 | 上海交通大学 | Distributed control system of high-power current transformer |
| CN102938565A (en) * | 2012-09-28 | 2013-02-20 | 上海交通大学 | Large-scale parallel system-based distributed communication system and control method thereof |
| CN103346838A (en) * | 2013-07-10 | 2013-10-09 | 温州大学 | Distributed type optical fiber communication system applied to megawatt converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4405820B2 (en) * | 2004-01-22 | 2010-01-27 | 九州電力株式会社 | Distribution line remote monitoring and control communication system using IP |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222981A (en) * | 2011-06-17 | 2011-10-19 | 大连尚能科技发展有限公司 | Wind power converter monitoring system and wind power generation system |
| CN102891501A (en) * | 2012-09-25 | 2013-01-23 | 上海交通大学 | Distributed control system of high-power current transformer |
| CN102938565A (en) * | 2012-09-28 | 2013-02-20 | 上海交通大学 | Large-scale parallel system-based distributed communication system and control method thereof |
| CN103346838A (en) * | 2013-07-10 | 2013-10-09 | 温州大学 | Distributed type optical fiber communication system applied to megawatt converter |
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