CN110391669A - A kind of change of current valve control system - Google Patents
A kind of change of current valve control system Download PDFInfo
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- CN110391669A CN110391669A CN201910671397.XA CN201910671397A CN110391669A CN 110391669 A CN110391669 A CN 110391669A CN 201910671397 A CN201910671397 A CN 201910671397A CN 110391669 A CN110391669 A CN 110391669A
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- converter valve
- control device
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- 238000000034 method Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Abstract
This application provides a kind of change of current valve control systems, converter valve control includes: the converter valve work station of dual redundant configuration, converter valve top layer control device, combining unit, timing device and fault wave recording device, N covers control device among the converter valve of dual redundant configuration, and the converter valve bottom control device of single set configuration, the first interchanger and second switch.Pass through change of current valve control system disclosed above, converter valve top layer control device by converter station protection system send unblock instruction and modulating wave is handled, the submodule input quantity instruction of generation is respectively sent to control device among multiple converter valves, control device sends the instruction that unblocks to matched converter valve bottom control device among multiple converter valves, submodule in control converter valve bottom control device control converter valve executes the instruction that unblocks, to reduce controlling the size for change of current control valve device exchange stream valve Neutron module, and realize that converter valve quickly controls the purpose of converter valve.
Description
Technical field
The present invention relates to technical field of direct current power transmission, specially a kind of change of current valve control system.
Background technique
With the development of society, flexible DC transmission technology be based on flexible high pressure converter station one kind flexibly control it is active
Technology of transmission of electricity that is idle and can powering to weak AC system, and new energy power generation grid-connection is solved, and transmit at a distance
Best technology of transmission of electricity.The equipment present in flexible high pressure converter station is more, and higher cost.In numerous equipment, converter valve is made
For the core equipment in flexible high pressure converter station, the action undertaken is more, therefore during flexible DC transmission, right
The control of converter valve just seems particularly important, generallys use a change of current control valve device control converter valve and works.
But it is made of in converter valve multiple submodule, therefore the exchange stream valve control of change of current control valve device is exactly pair
Submodule in converter valve is controlled, however the submodule quantity in converter valve is more, by a converter valve to big quantum
Module is controlled, and the workload of change of current control valve device is huge, so that each submodule in change of current control valve device exchange stream valve
The control speed of block reduces, and a large amount of electronic modules that eventually leading to change of current control valve device can not quickly control in converter valve carry out
Work.
Summary of the invention
In view of this, passing through multiple change of current control valve devices the embodiment of the invention provides a kind of change of current valve control system
Submodule in converter valve is controlled, the quantity of change of current control valve device control submodule is reduced, to realize converter valve
The quickly purpose of control converter valve.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of change of current valve control system, comprising: the converter valve work station of dual redundant configuration, converter valve top layer control device,
Combining unit, timing device and fault wave recording device, N cover control device among the converter valve of dual redundant configuration, the first interchanger
And second switch, and each converter valve work station of connection, converter valve top layer control device, combining unit, to fashionable dress
It sets, the converter valve bottom control device of fault wave recording device and converter valve centre control device；
The fault wave recording device, the converter valve top layer control device, N cover control device difference among the converter valve
It is respectively connected with the combining unit, receives the combining unit digital signal that sends that treated；
The fault wave recording device, the converter valve top layer control device, N cover control device and institute among the converter valve
It states converter valve bottom control device to be connected by the second switch with the timing device respectively, described in receiving
The time signal that timing device is sent is set time；
The converter valve work station covers institute with the converter valve top layer control device and N respectively by first interchanger
It states control device among converter valve to be connected, receives and changed described in the first signal and N set that the converter valve top layer control device is sent
Flow the second signal that control device is sent among valve；
The converter valve top layer control device respectively with the fault wave recording device, the converter station Control protection system and
N covers control device among the converter valve and is connected, and receives and processes the finger that unblocks that the converter station Control protection system is sent
The submodule input quantity instruction of generation is respectively sent to N and covers control device among the converter valve by order and modulating wave, and
Triggering recording instruction is sent to the fault wave recording device；
N covers control device among converter valve described in every suit among the converter valve in control device and changes respectively with described
Stream valve bottom control device is connected with the fault wave recording device, and Xiang Suoshu fault wave recording device sends starting recording instruction, and
The instruction that unblocks is sent to the converter valve bottom control device, the converter valve bottom control device controls converter valve submodule
Unblock instruction described in execution；
The fault wave recording device and the converter valve top layer control device and N cover control device among the converter valve,
Starting recording instruction, which is based on, according to fault wave recording device described in the triggering recording instruction triggers opens recording function.
Preferably, first receiving end of fault wave recording device is connected with the first output end of the combining unit, described
The first end of converter valve top layer control device is connected with the second output terminal of the combining unit, and N covers control among the converter valve
The first end of device processed is connected with the third output end of the combining unit, the first end of the converter valve bottom control device with
4th output end of the combining unit is connected, the fault wave recording device, the converter valve top layer control device, described in N set
Control device and the converter valve bottom control device receive the combining unit number that sends that treated among converter valve
Signal.
Preferably, described timing device one end is connected with described second switch one end, the second switch other end
Cover second of control device among the converter valve with the second end of the converter valve top layer control device, N respectively by optical fiber
End, the converter valve bottom control device second end be connected with second receiving end of fault wave recording device, based on receiving
The timing device send time signal set time.
Preferably, converter valve work station one end is connected with one end of first interchanger, first interchanger
The other end cover control among the converter valve with the third end of the converter valve top layer control device and N respectively by optical fiber and fill
The third end set is connected, and receives control among the first signal and the N set converter valve that the converter valve top layer control device is sent
The second signal that device processed is sent.
Preferably, the 4th end of the converter valve top layer control device and one end phase of the converter station Control protection system
Even, the 5th end is connected with the third receiving end of the fault wave recording device, and the 6th end and N cover control device among the converter valve
The 4th end be connected, receive and process unblock instruction and modulating wave that the converter station Control protection system is sent, will generate
The instruction of submodule input quantity be sent to N and cover control device among the converter valve, and sent out to the fault wave recording device
Send triggering recording instruction.
Preferably, N covers the 5th end of control device among each converter valve of control device among the converter valve
It is connected with the second end of the converter valve bottom control device, the 4th receiving end phase at the 6th end and the fault wave recording device
Even, Xiang Suoshu fault wave recording device sends starting recording instruction, and sends the finger that unblocks to the converter valve bottom control device
It enables, unblock instruction described in the converter valve bottom control device control converter valve submodule execution.
Preferably, the bottom control device, comprising: submodule control module, IGBT drive module and the first power supply mould
Block；
The 5th end of control device is connected among submodule control module one end and the converter valve, the other end and institute
The one end for stating IGBT drive module is connected, and the other end of the IGBT drive module is connected with converter valve submodule, and described first
Power module is connected with the IGBT drive module and the submodule control module respectively；
First power module is that the UGBT drive module and the submodule control module are powered, the submodule
Control module receives the submodule control command that control device is sent among the converter valve, and by the submodule control command
It is sent to the IGBT drive module, the IGBT drive module driving executes the submodule control command and drives the submodule
Block work, while acquiring the working condition of the submodule and being sent to the submodule control module, the submodule control
The working condition is sent to control device among the converter valve by module.
Preferably, control device among the converter valve, comprising: second power supply module, communication module and N number of digital signal
Processing module.
The second power supply module is connected with the communication module and N number of digital signal processing module respectively, and is
The communication module and N number of digital signal processing module provide power supply；
N number of digital signal processing module is used to receive the instruction that unblocks that the converter valve top layer control device is sent
With status signal, capacitance voltage and the current signal of the instruction of submodule input quantity and received each submodule, and send
To the converter valve top layer control device and the converter valve work station.
Preferably, the power module, the communication module and N number of digital signal processing module are double set redundancies
Configuration.
Preferably, the value of the N is 3.
As shown in the above, this application discloses a kind of change of current valve control system, which passes through the failure
Wave recording device, the converter valve top layer control device, N cover control device and the converter valve bottom control among the converter valve
Device is respectively connected with the combining unit respectively, receives the combining unit digital signal that sends that treated；The event
Hinder wave recording device, the converter valve top layer control device, N and covers control device and the converter valve bottom control among the converter valve
Device processed is connected by the second switch with the timing device respectively, is sent based on the timing device received
Time signal is set time；The converter valve work station is controlled respectively with the converter valve top layer by first interchanger and is filled
It sets and is connected with control device among the N set converter valve, receive the first signal and N that the converter valve top layer control device is sent
Cover the second signal that control device is sent among the converter valve；The converter valve top layer control device is recorded with the failure respectively
Wave apparatus, the converter station Control protection system and N cover control device among the converter valve and are connected, and receive and process described change
The submodule input quantity instruction of generation is respectively sent to by unblock instruction and the modulating wave that stream station Control protection system is sent
N covers control device among the converter valve, and sends triggering recording instruction to the fault wave recording device；N covers the change of current
Among converter valve described in every suit among valve in control device control device respectively with the converter valve bottom control device and
The fault wave recording device is connected, and Xiang Suoshu fault wave recording device sends starting recording instruction, and to the converter valve bottom control
Device processed sends the instruction that unblocks, and unblock finger described in the converter valve bottom control device control converter valve submodule execution
It enables.By change of current valve control system disclosed above, converter valve top layer control device is unblocked what converter station protection system was sent
Lock instruction and modulating wave are handled, and the submodule input quantity instruction of generation is respectively sent to control dress among multiple converter valves
It sets, control device sends the instruction that unblocks to matched converter valve bottom control device among multiple converter valves, controls converter valve
Submodule in bottom control device control converter valve executes the instruction that unblocks, to reduce change of current control valve device exchange stream valve
Neutron module is controlled the size, and realizes that converter valve quickly controls the purpose of converter valve.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of converter valve control system architecture schematic diagram provided in an embodiment of the present invention；
Fig. 2 is another converter valve control system architecture schematic diagram provided in an embodiment of the present invention；
Fig. 3 is another converter valve control system architecture schematic diagram provided in an embodiment of the present invention；
Fig. 4 is another converter valve control system architecture schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In this application, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not having
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited in the case where more limiting by sentence "including a ...", it is not excluded that in the mistake including the element
There is also other identical elements in journey, method, article or equipment.
The embodiment of the present invention provides a kind of change of current valve control system, as shown in Figure 1, the change of current valve control system includes:
The converter valve work station 100 of dual redundant configuration, converter valve top layer control device 200, combining unit 300, timing device 400 and event
Hinder wave recording device 500, N covers control device 600 among the converter valve of dual redundant configuration, the first interchanger 800 and second switch
900, and each converter valve work station 100 of connection, converter valve top layer control device 200, combining unit 300, to fashionable dress
Set the converter valve bottom control device 700 of control device 600 among 400, fault wave recording device 500 and converter valve.
Preferably, the value of the N is 3.
It should be noted that in this application, it can be any value that the value of the N, which is positive integer,.
The fault wave recording device 500, the converter valve top layer control device 200, N cover control dress among the converter valve
Set 600 and the converter valve bottom control device 700 be respectively connected with respectively with the combining unit 300, receive mergings singly
Member 300 sends treated digital signal.
It should be noted that the combining unit 300 receive the current transformer acquisition in converter valve current signal and
The voltage signal of voltage transformer acquisition, and collected voltage signal and current signal are merged and obtained with synchronization process
Digital signal, then treated digital signal according to specific format is respectively sent to the fault wave recording device 500, described changed
Flow valve top layer control device 200, N covers control device 600 and the converter valve bottom control device 700 among the converter valve.
The fault wave recording device 500, the converter valve top layer control device 200, N cover control dress among the converter valve
Set 600 and the converter valve bottom control device 700 respectively by the second switch 900 and 400 phase of timing device
Even, the time signal sent based on the timing device 400 received is set time.
It should be noted that the timing device 400 is wirelessly connected with GPS, the time letter on GPS is obtained
Number, and the time signal that will acquire by second switch 900 is respectively sent to the fault wave recording device 500, described changes
Valve top layer control device 200, N set the converter valve centre control device 600 and the converter valve bottom control device 700 are flowed,
The fault wave recording device 500, the converter valve top layer control device 200, N cover 600 and of control device among the converter valve
The converter valve bottom control device 700 updates the time of itself based on the time signal received, to complete clock synchronization.
The converter valve work station 100 by first interchanger 800 respectively with the converter valve top layer control device
200, which cover control device 600 among the converter valve with N, is connected, and receives the converter valve top layer control device 200 is sent first
Signal and N cover the second signal that control device 600 is sent among the converter valve.
It should be noted that the converter valve work station 100 has good Study on Man-Machine Function interface, it can be by the change of current
The second signal of the transmission of control device 600 is shown among first signal of the transmission of valve top layer control device 200 and the converter valve,
First signal includes class's signal on duty/standby of converter valve top layer control device 200, failure/normal signal, each in converter valve
A bridge arm is normal/fault-signal and each bridge arm voltage, current value；The second signal includes: control device among converter valve
600 class's signal on duty/standby, failure/normal signal, in converter valve each bridge arm it is normal/fault-signal and converter valve in it is each
Investment/the by-passing signal and voltage and current of a submodule.
The converter valve top layer control device 200 is protected with the fault wave recording device 500, converter station control respectively
System covers control device 600 among the converter valve with N and is connected, and receives and processes what the converter station Control protection system was sent
Unblock instruction and modulating wave, and the submodule input quantity instruction of generation is sent to N and covers control device among the converter valve
600, and triggering recording instruction is sent to the fault wave recording device 500.
It should be noted that modulating wave distribution function built in the converter valve top layer control device 200, converter valve top layer control
Device 200 processed receives unblock instruction and the modulating wave that converter station Control protection system is sent, according to modulating wave Um, in converter valve
Each submodule bridge arm average-voltage signal UaAnd converter station Neutron module total number, by modulating wave according to formula (1) and formula
(2) submodule input quantity and the instruction of lower bridge arm submodule input quantity of bridge arm in every phase are calculated, i.e. submodule puts into number
Amount instruction, then instruct reconciliation blocking order to be sent to control device among corresponding converter valve the submodule input quantity
600, and triggering recording instruction is sent to fault wave recording device 500.
Formula (1) are as follows:
Wherein, the ndownFor lower bridge arm submodule input quantity, UmTo modulate wave voltage, UaIt is flat for each submodule bridge arm
Equal voltage, N are submodule total number.
Formula (2) are as follows:
nup=N-ndown (2)
Wherein, the nupFor upper bridge arm submodule input quantity.
In this application, N is covered control device 600 among the converter valve and sent out by the converter valve top layer control device 200
After the second signal and the first signal sent are summarized, converter station Control protection system is sent to.
N cover among converter valve described in every suit among the converter valve in control device 600 control device 600 respectively with
The converter valve bottom control device 700 is connected with the fault wave recording device 500, and Xiang Suoshu fault wave recording device 500 is sent
Start recording instruction, and sends the instruction that unblocks, the converter valve bottom control dress to the converter valve bottom control device 700
Set the instruction that unblocks described in the execution of 700 control converter valve submodules.
It should be noted that N covers control among converter valve described in every suit among the converter valve in control device 600
Device 600 receives unblock instruction and the instruction of submodule input quantity that the converter valve top layer control device 200 is sent respectively,
And it is instructed based on the submodule input quantity to the 700 sending submodule control command of converter valve bottom control device, institute
It states bottom control device and the instruction that unblocks is executed based on submodule control command control converter valve submodule.
The fault wave recording device 500 is covered with the converter valve top layer control device 200 and N to be controlled among the converter valve
Device 600 is based on starting recording instruction according to fault wave recording device 500 described in the triggering recording instruction triggers and opens record
Wave energy.
The failure recovery device 500 is covered with the converter valve top layer control device 200 and N to be controlled among the converter valve
Device 600 is connected, and covers the change of current with N when receiving the triggering recording instruction that the converter valve top layer control device 200 is sent
After the starting recording instruction that control device 600 is sent among valve, fault wave recording device 500 is according to triggering recording instruction triggers
Fault wave recording device 500 is based on starting recording instruction and opens recording function.
It should be noted that the fault wave recording device 500 is two sets of redundant configurations, and it is a set of in state on duty, it is a set of
In standby class's state, when 500 failure of fault wave recording device of the state on duty, the fault wave recording device of standby class's state is enabled
The waveform of the voltage or current of each submodule in 500 record converter valves.
Preferably, the fault wave recording device 500 covers converter valve by optical fiber and converter valve top layer control device 200 and N
Intermediate control device 600 is connected, and receives the instruction of triggering recording and enables recording instruction, and according to the triggering recording instruction triggers
The fault wave recording device 500 is based on starting recording instruction and opens recording function.
The application covers control among the converter valve by the fault wave recording device, the converter valve top layer control device, N
Device processed and the converter valve bottom control device are respectively connected with the combining unit respectively, are received the combining unit and are sent
Digital signal that treated；The fault wave recording device, the converter valve top layer control device, N cover among the converter valve
Control device and the converter valve bottom control device are connected by the second switch with the timing device respectively, are based on
The time signal that the timing device received is sent is set time；The converter valve work station passes through first interchanger
Control device among the converter valve is covered with the converter valve top layer control device and N respectively to be connected, and receives the converter valve top
The first signal and N that layer control device is sent cover the second signal that control device is sent among the converter valve；The converter valve
Top layer control device covers among the converter valve with the fault wave recording device, the converter station Control protection system and N respectively
Control device is connected, and receives and processes unblock instruction and modulating wave that the converter station Control protection system is sent, will generate
The instruction of submodule input quantity be respectively sent to N and cover control device among the converter valve, and filled to the failure wave-recording
Set transmission triggering recording instruction；N covers control device among converter valve described in every suit among the converter valve in control device
It is connected respectively with the converter valve bottom control device and the fault wave recording device, Xiang Suoshu fault wave recording device sends starting
Recording instruction, and the instruction that unblocks, the converter valve bottom control device control are sent to the converter valve bottom control device
Unblock instruction described in the execution of converter valve submodule.Pass through change of current valve control system disclosed above, converter valve top layer control dress
Set by converter station protection system send unblock instruction and modulating wave is handled, the submodule input quantity instruction point of generation
It is not sent to control device among multiple converter valves, control device is filled to matched converter valve bottom control among multiple converter valves
Transmission to be set to unblock instruction, the submodule execution in control converter valve bottom control device control converter valve unblocks instruction, from
And controlling the size for change of current control valve device exchange stream valve Neutron module is reduced, and realize that converter valve quickly controls the mesh of converter valve
's.
Based on change of current valve control system disclosed above, Fig. 3 to Fig. 4 is referred to combined with Figure 1 and Figure 2, is the embodiment of the present application
Another change of current valve control system of offer, the change of current valve control system include: the converter valve work station of dual redundant configuration
100, converter valve top layer control device 200,600 combining unit 300 of control device among converter valve, timing device 400 and failure
Wave recording device 500, N cover control device 600 among the converter valve of dual redundant configuration, the first interchanger 800 and second switch
900, and each converter valve work station 100 of connection, converter valve top layer control device 200, combining unit 300, to fashionable dress
Set the converter valve bottom control device 700 of control device 600 among 400, fault wave recording device 500 and converter valve.
The fault wave recording device 500, the converter valve top layer control device 200, N cover control dress among the converter valve
Set 600 and the converter valve bottom control device 700 be respectively connected with respectively with the combining unit 300, receive mergings singly
Member 300 sends treated digital signal.
Specifically, the first output end phase of 500 first receiving end of fault wave recording device and the combining unit 300
Even, the first end of the converter valve top layer control device 200 is connected with the second output terminal of the combining unit 300, described in N set
The first end of control device 600 is connected with the third output end of the combining unit 300 among converter valve, the converter valve bottom
The first end of control device 700 is connected with the 4th output end of the combining unit 300, the fault wave recording device 500, described
Converter valve top layer control device 200, N cover control device 600 and the converter valve bottom control device 700 among the converter valve
Receive the combining unit 300 digital signal that sends that treated.
The fault wave recording device 500, the converter valve top layer control device 200, N cover control dress among the converter valve
Set 600 and the converter valve bottom control device 700 respectively by the second switch 900 and 400 phase of timing device
Even, the time signal sent based on the timing device 400 received is set time.
Specifically, described 400 one end of timing device is connected with described 900 one end of second switch, the second switch
900 other ends are covered with the second end of the converter valve top layer control device 200, N respectively by optical fiber to be controlled among the converter valve
The second end of device 600 processed, the second end of the converter valve bottom control device 700 and the fault wave recording device 500 second
Receiving end is connected, and the time signal sent based on the timing device 400 received is set time.
The converter valve work station 100 by first interchanger 800 respectively with the converter valve top layer control device
200, which cover control device 600 among the converter valve with N, is connected, and receives the converter valve top layer control device 200 is sent first
Signal and N cover the second signal that control device 600 is sent among the converter valve.
Specifically, described 100 one end of converter valve work station is connected with one end of first interchanger 800, described first
The other end of interchanger 800 covers the change of current with the third end of the converter valve top layer control device 200 and N respectively by optical fiber
The third end of control device 600 is connected among valve, receives the first signal and N that the converter valve top layer control device 200 is sent
Cover the second signal that control device 600 is sent among the converter valve.
The converter valve top layer control device 200 is protected with the fault wave recording device 500, converter station control respectively
System covers control device 600 among the converter valve with N and is connected, and receives and processes what the converter station Control protection system was sent
Unblock instruction and modulating wave, and the submodule input quantity instruction of generation is respectively sent to N and covers control among the converter valve
Device 600, and triggering recording instruction is sent to the fault wave recording device 500.
Specifically, the 4th end of the converter valve top layer control device 200 and the one of the converter station Control protection system
End is connected, and the 5th end is connected with the third receiving end of the fault wave recording device 500, and the 6th end and N cover among the converter valve
4th end of control device 600 is connected, and receives and processes unblock instruction and tune that the converter station Control protection system is sent
The instruction of the submodule input quantity of generation is sent to N and covers control device 600 among the converter valve by wave processed, and to described
Fault wave recording device 500 sends triggering recording instruction.
N cover among converter valve described in every suit among the converter valve in control device 600 control device 600 respectively with
The converter valve bottom control device 700 is connected with the fault wave recording device 500, and Xiang Suoshu fault wave recording device 500 is sent
Start recording instruction, and sends the instruction that unblocks, the converter valve bottom control dress to the converter valve bottom control device 700
Set the instruction that unblocks described in the execution of 700 control converter valve submodules.
Specifically, N covers each converter valve centre control device 600 of control device 600 among the converter valve
5th end is connected with the second end of the converter valve bottom control device 700, and the of the 6th end and the fault wave recording device 500
Four receiving ends are connected, and Xiang Suoshu fault wave recording device 500 sends starting recording instruction, and to the converter valve bottom control device
700 send the instruction that unblocks, and the converter valve bottom control device 700 controls the finger that unblocks described in the execution of converter valve submodule
It enables.
Wherein, control device 600 among the converter valve, comprising: the first power module 601, communication module 602 and N number of
Digital signal processing module 603.
First power module 601 respectively with the communication module 602 and N number of digital signal processing module 603
It is connected, and provides power supply for the communication module 602 and N number of digital signal processing module 603.
N number of digital signal processing module 603 is used to receive unblocking for the transmission of converter valve top layer control device 200
Status signal, capacitance voltage and the current signal of lock instruction and the instruction of submodule input quantity and received each submodule,
And it is sent to the converter valve top layer control device 200 and the converter valve work station 100.
It should be noted that bridge arm submodule average voltage computing function built in the digital signal processing module 603, leads to
It crosses the submodule voltage value summation of each bridge arm in converter valve and does not bypass being averaged for the quantity calculating bridge arm submodule of submodule
Voltage value.
Wherein, the converter valve bottom control device 700, comprising: submodule control module 701, IGBT drive module 702
With second power supply module 703.
The 5th end of control device 600 is connected among submodule control module one end and the converter valve, the other end
It is connected with one end of the IGBT drive module, the other end of the IGBT drive module is connected with converter valve submodule, described
Second power supply module 703 is connected with the IGBT drive module and the submodule control module respectively.
The second power supply module 703 is that the UGBT drive module and the submodule control module are powered, the son
Module control module receives the submodule control command that control device 600 is sent among the converter valve, and by the submodule
Control command is sent to the IGBT drive module, and the IGBT drive module driving executes the submodule control command driving
The submodule work, while acquiring the working condition of the submodule and being sent to the submodule control module, the son
The working condition is sent to control device 600 among the converter valve by module control module.
Wherein, the working condition includes investment, bypasses and exit state.
The fault wave recording device 500 is covered with the converter valve top layer control device 200 and N to be controlled among the converter valve
Device 600 is based on starting recording instruction according to fault wave recording device 500 described in the triggering recording instruction triggers and opens record
Wave energy.
The application covers control among the converter valve by the fault wave recording device, the converter valve top layer control device, N
Device processed and the converter valve bottom control device are respectively connected with the combining unit respectively, are received the combining unit and are sent
Digital signal that treated；The fault wave recording device, the converter valve top layer control device, N cover among the converter valve
Control device and the converter valve bottom control device are connected by the second switch with the timing device respectively, are based on
The time signal that the timing device received is sent is set time；The converter valve work station passes through first interchanger
Control device among the converter valve is covered with the converter valve top layer control device and N respectively to be connected, and receives the converter valve top
The first signal and N that layer control device is sent cover the second signal that control device is sent among the converter valve；The converter valve
Top layer control device covers among the converter valve with the fault wave recording device, the converter station Control protection system and N respectively
Control device is connected, and receives and processes unblock instruction and modulating wave that the converter station Control protection system is sent, will generate
The instruction of submodule input quantity be respectively sent to N and cover control device among the converter valve, and filled to the failure wave-recording
Set transmission triggering recording instruction；N covers control device among converter valve described in every suit among the converter valve in control device
It is connected respectively with the converter valve bottom control device and the fault wave recording device, Xiang Suoshu fault wave recording device sends starting
Recording instruction, and the instruction that unblocks, the converter valve bottom control device control are sent to the converter valve bottom control device
Unblock instruction described in the execution of converter valve submodule.Pass through change of current valve control system disclosed above, converter valve top layer control dress
Set by converter station protection system send unblock instruction and modulating wave is handled, the submodule input quantity instruction point of generation
It is not sent to control device among multiple converter valves, control device is filled to matched converter valve bottom control among multiple converter valves
Transmission to be set to unblock instruction, the submodule execution in control converter valve bottom control device control converter valve unblocks instruction, from
And controlling the size for change of current control valve device exchange stream valve Neutron module is reduced, and realize that converter valve quickly controls the mesh of converter valve
's.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.System and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of change of current valve control system characterized by comprising the converter valve work station of dual redundant configuration, converter valve top layer
Control device, combining unit, timing device and fault wave recording device, N cover control device among the converter valve of dual redundant configuration, the
One interchanger and second switch, and each converter valve work station of connection, converter valve top layer control device, merge single
Member, the converter valve bottom control device of timing device, fault wave recording device and converter valve centre control device；
The fault wave recording device, the converter valve top layer control device, N cover among the converter valve control device respectively with institute
It states combining unit to be respectively connected with, receives the combining unit digital signal that sends that treated；
The fault wave recording device, the converter valve top layer control device, N cover among the converter valve control device and described change
Stream valve bottom control device is connected by the second switch with the timing device respectively, based on the clock synchronization received
The time signal that device is sent is set time；
The converter valve work station is changed with described in the converter valve top layer control device and N set respectively by first interchanger
It flows control device among valve to be connected, receives the first signal and the N set converter valve that the converter valve top layer control device is sent
The second signal that intermediate control device is sent；
The converter valve top layer control device is covered with the fault wave recording device, the converter station Control protection system and N respectively
Control device is connected among the converter valve, receive and process that the converter station Control protection system sends unblock instruction and
The instruction of the submodule input quantity of generation is respectively sent to N and covers control device among the converter valve by modulating wave, and to institute
It states fault wave recording device and sends triggering recording instruction；
N cover among converter valve described in every suit among the converter valve in control device control device respectively with the converter valve
Bottom control device is connected with the fault wave recording device, and Xiang Suoshu fault wave recording device sends starting recording instruction, and to institute
It states converter valve bottom control device and sends the instruction that unblocks, the converter valve bottom control device control converter valve submodule executes
The instruction that unblocks；
The fault wave recording device and the converter valve top layer control device and N cover control device among the converter valve, according to
Fault wave recording device described in the triggering recording instruction triggers is based on starting recording instruction and opens recording function.
2. system according to claim 1, which is characterized in that
First receiving end of fault wave recording device is connected with the first output end of the combining unit, the converter valve top layer control
The first end of device processed is connected with the second output terminal of the combining unit, and N covers first of control device among the converter valve
End is connected with the third output end of the combining unit, the first end and the combining unit of the converter valve bottom control device
The 4th output end be connected, the fault wave recording device, the converter valve top layer control device, N cover control among the converter valve
Device processed and the converter valve bottom control device receive the combining unit digital signal that sends that treated.
3. system according to claim 1, which is characterized in that
Described timing device one end is connected with described second switch one end, and the second switch other end is distinguished by optical fiber
Second end, the converter valve of control device among the converter valve are covered with the second end of the converter valve top layer control device, N
The second end of bottom control device is connected with second receiving end of fault wave recording device, based on the timing device received
The time signal of transmission is set time.
4. system according to claim 1, which is characterized in that
Converter valve work station one end is connected with one end of first interchanger, and the other end of first interchanger passes through
Optical fiber covers the third end phase of control device among the converter valve with the third end of the converter valve top layer control device and N respectively
Even, the first signal and N for receiving the converter valve top layer control device transmission cover what control device among the converter valve was sent
Second signal.
5. system according to claim 1, which is characterized in that
4th end of the converter valve top layer control device is connected with one end of the converter station Control protection system, the 5th end with
The third receiving end of the fault wave recording device is connected, and the 6th end and N cover the 4th end phase of converter valve centre control device
Even, unblock instruction and modulating wave that the converter station Control protection system is sent are received and processed, the submodule of generation is thrown
Enter quantitative directive and be sent to control device among the N set converter valve, and sends triggering recording to the fault wave recording device
Instruction.
6. system according to claim 1, which is characterized in that
N covers the 5th end of each converter valve centre control device of control device and the converter valve among the converter valve
The second end of bottom control device is connected, and the 6th end is connected with the 4th receiving end of the fault wave recording device, Xiang Suoshu failure
Wave recording device sends starting recording instruction, and sends the instruction that unblocks, the converter valve to the converter valve bottom control device
Unblock instruction described in the control converter valve submodule execution of bottom control device.
7. system according to claim 1, which is characterized in that the bottom control device, comprising: submodule controls mould
Block, IGBT drive module and the first power module；
The 5th end of control device is connected among submodule control module one end and the converter valve, the other end with it is described
One end of IGBT drive module is connected, and the other end of the IGBT drive module is connected with converter valve submodule, first electricity
Source module is connected with the IGBT drive module and the submodule control module respectively；
First power module is that the UGBT drive module and the submodule control module are powered, the submodule control
Module receives the submodule control command that control device is sent among the converter valve, and the submodule control command is sent
To the IGBT drive module, the IGBT drive module driving executes the submodule control command and drives the submodule work
Make, while acquiring the working condition of the submodule and being sent to the submodule control module, the submodule control module
The working condition is sent to control device among the converter valve.
8. system according to claim 1, which is characterized in that control device among the converter valve, comprising: second source
Module, communication module and N number of digital signal processing module；
The second power supply module is connected with the communication module and N number of digital signal processing module respectively, and is described
Communication module and N number of digital signal processing module provide power supply；
N number of digital signal processing module is used to receive unblock instruction and son that the converter valve top layer control device is sent
Status signal, capacitance voltage and the current signal of the instruction of module input quantity and received each submodule, and it is sent to institute
State converter valve top layer control device and the converter valve work station.
9. system according to claim 8, which is characterized in that the power module, the communication module and N number of number
Word signal processing module is double set redundant configurations.
10. system according to claim 1 to 9, which is characterized in that the value of the N is 3.
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| CN201910671397.XA CN110391669B (en) | 2019-07-24 | 2019-07-24 | Converter valve control system |
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|---|---|---|---|
| CN201910671397.XA CN110391669B (en) | 2019-07-24 | 2019-07-24 | Converter valve control system |
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| CN114123498A (en) * | 2021-11-16 | 2022-03-01 | 许继集团有限公司 | Wave recording control system for valve control equipment of direct-current transmission system |
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