CN103311934B - The multi-machine communication system of a kind of SVG/APF parallel running and method - Google Patents
The multi-machine communication system of a kind of SVG/APF parallel running and method Download PDFInfo
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- CN103311934B CN103311934B CN201310242709.8A CN201310242709A CN103311934B CN 103311934 B CN103311934 B CN 103311934B CN 201310242709 A CN201310242709 A CN 201310242709A CN 103311934 B CN103311934 B CN 103311934B
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/20—Active power filtering [APF]
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Abstract
The invention discloses a kind of multi-machine communication system and the method for SVG/APF parallel running, including: two or more SVG equipment parallel with one another, or two or more APF equipment parallel with one another；The LAN being connected with every SVG/APF equipment is connected equipment.By by two or more SVG/APF equipment parallel with one another, it is connected equipment respectively to connect with LAN, greatly reduce the connecting line quantity of interconnected communication, connect equipment by every SVG/APF equipment to LAN and send the status information of self, and receive the status information that other SVG/APF equipment sends, status information according to self and the status information of other SVG/APF equipment, automatically total number of units of the SVG/APF equipment of current parallel running and the most idle is calculated, export the compensation electric current self undertaken, achieve the Coordination Equilibrium output of each SVG/APF equipment in parallel.
Description
Technical field
The present invention relates to power electronics and control technical field, more particularly, it relates to a kind of SVG(Static
Var Generator, static reacance transmitter)/APF(Active Power Filter, Active Power Filter-APF)
The multi-machine communication system of parallel running and method.
Background technology
(Active Power Filter, has SVG (Static Var Generator, static reacance generator)/APF
Active power filter) it is one of the visual plant of flexible AC transmission technology, represent present stage power system
The developing direction that reactive power compensation technology is new.SVG/APF can provide capacitive and perception idle with quickly connecting
Power, it is achieved suitable voltage and Reactive Power Control and harmonic compensation, ensures power system stability, height
Effect, high-quality ground runs, and can significantly improve the quality of power supply at load and public electric wire net tie point, improves
Power factor at tie point, overcome three-phase imbalance, eliminate voltage pulsation, suppression harmonic pollution etc..
The power electronic equipments such as SVG/APF by the resistance to voltage levels of power device, current capacity, switching frequency,
The restriction of manufacturing process, price and connection in series-parallel technology etc., it is very big that single-machine capacity can not do, and works as system
When the electric current that need to compensate exceedes the specified compensation ability of separate unit SVG/APF equipment, generally N platform equipment is divided
Not receiving on bus, each SVG/APF equipment independent operating, this mode belongs to diffusion controlling, equipment
The most do not communicate, it is not known that other SVG/APF equipment have sent out how many electric currents, also do not know system
Overall current situation, compensation effect is poor, when the control mode of each SVG/APF equipment and separate unit run
Control mode there is no essential distinction.When each SVG/APF equipment does not has whole full-load run, if certain
SVG/APF equipment fault is out of service, and other SVG/APF equipment are not aware that, thus can not be corresponding
Raising self output, waste compensation capacity.And these parallel waies being not based on communication all can not
Meet the SVG Isobarically Control of wind-powered electricity generation, the service requirement of subway constant power factor control, electricity can not be supported
Idle instruction trace during net scheduling so that the application scenario of this diffusion controlling method of operation exists bigger
Limitation.
Summary of the invention
In view of this, the present invention provides a kind of multi-machine communication system and the method for SVG/APF parallel running,
While being capable of each SVG/APF equipment coordination equilibrium output in parallel, greatly reduce the company of interconnected communication
Wiring quantity, thus reduce operation and maintenance workload.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
The multi-machine communication system of a kind of static reacance generator/Parallel Operation of Active is described many
Machine communication system includes:
Two or more static reacance generator equipment parallel with one another, or two or more
Active Power Filter-APF equipment parallel with one another；
Based on ethernet communication and with every static reacance generator equipment or every Active Power Filter-APF
The LAN that equipment is connected connects equipment.
Preferably, described every static reacance generator equipment or every Active Power Filter-APF equipment are equal
Including: control module, power model, startup module and linked reactor module；Wherein:
Described control module is connected equipment and is connected with described LAN；
Described control module is connected with described power model；
Described power model, described startup module, described linked reactor module pass sequentially through cable and electricity
Net is connected.
Preferably, described LAN connects equipment and is specially router, or hub, or photoelectricity turns
Parallel operation, or switch.
Preferably, described control module includes: controller, human-computer interaction interface and Ethernet interface, its
In:
Described controller is connected with described Ethernet interface, and by described Ethernet interface and described local
Net connection equipment communicates to connect；
Described human-computer interaction interface is led to described controller by serial port or ethernet communication mode
Letter connects；
Described controller is also connected with described power model.
Preferably, described LAN connects equipment is optical fiber switch；
Described control module includes: controller, human-computer interaction interface, Ethernet interface, opto-electronic conversion electricity
Road and optical fiber interface；Wherein:
Described controller is connected with described Ethernet interface；
Described Ethernet interface is by being connected with described optical fiber interface after described photoelectric switching circuit；
Described optical fiber interface is connected with described optical fiber switch；
Described human-computer interaction interface is connected with described controller by serial communication or ethernet communication；
Described controller is connected with described power model.
Preferably, described linked reactor module is specially reactor or transformer.
A kind of multi-computer communication method of static reacance generator/Parallel Operation of Active is described many
Machine communication means is applied to above-mentioned multi-machine communication system, and described multi-computer communication method includes:
Every static reacance generator equipment or every Active Power Filter-APF equipment set to LAN connection
Preparation gives the status information of self；
Every static reacance generator equipment or every Active Power Filter-APF equipment are by described LAN
Connection equipment receives what other static reacance generator equipment or other Active Power Filter-APF equipment sent
Status information；
Every static reacance generator equipment or Active Power Filter-APF equipment according to self status information and
Other static reacance generator equipment or the status information of other Active Power Filter-APF equipment, count automatically
Calculate the static reacance generator equipment of current parallel running or total number of units of Active Power Filter-APF equipment and
The most idle, export the compensation electric current self undertaken.
Preferably, at described every static reacance generator equipment or every Active Power Filter-APF equipment
Also included before LAN connects the step of the status information that equipment sends self:
By every static reacance generator equipment or the human-computer interaction interface of Active Power Filter-APF equipment,
Static reacance generator equipment or Active Power Filter-APF equipment are set to parallel-operation expansion pattern；
Configure the network interface information of every static reacance generator equipment or Active Power Filter-APF equipment；
Static reacance generator equipment parallel with one another or Active Power Filter-APF equipment are respectively connected to local
Net connection equipment.
Preferably, described every static reacance generator equipment or every Active Power Filter-APF equipment to
LAN connect equipment send self status information step particularly as follows:
Controller in every static reacance generator equipment or every Active Power Filter-APF equipment is to office
Territory net connection equipment sends the status information of self.
Preferably, described every static reacance generator equipment or every Active Power Filter-APF equipment lead to
Cross described LAN connection equipment and receive other static reacance generator equipment or other active power filtering
Device equipment send status information step particularly as follows:
Controller in every static reacance generator equipment or every Active Power Filter-APF equipment passes through
LAN connects equipment and receives other static reacance generator equipment or every Active Power Filter-APF equipment
The status information sent.
Preferably, described every static reacance generator equipment or Active Power Filter-APF equipment are according to self
Status information and other static reacance generator equipment or the state of other Active Power Filter-APF equipment
Information, the static reacance generator equipment or the Active Power Filter-APF that automatically calculate current parallel running set
Standby total number of units and the most idle, export the step compensating electric current self undertaken particularly as follows:
Controller in every static reacance generator equipment or Active Power Filter-APF equipment according to self
The status information that status information and other static reacance generator equipment or Active Power Filter-APF equipment send
Set up and comprise tractor parameter, networking parameter and control the parameter list of parameter；
Controller in every static reacance generator equipment or Active Power Filter-APF equipment is according to foundation
Respective diverting coefficient is added up and calculated to parameter list, and according to the system voltage detected, current signal meter
The most idle and the harmonic current that calculation will compensate；
Controller in every static reacance generator equipment or Active Power Filter-APF equipment will the most idle and
After harmonic current is multiplied by diverting coefficient, export the current-order self needing to compensate；
Power model in every static reacance generator equipment or Active Power Filter-APF equipment, startup mould
The current-order output compensated that needs that block and linked reactor module export according to controller compensates electric current.
From above-mentioned technical scheme it can be seen that a kind of SVG/APF parallel running disclosed by the invention is many
Machine communication system and method, by by two or more SVG equipment parallel with one another or APF
Equipment, is connected equipment respectively and connects, greatly reduce the connecting line quantity of interconnected communication with LAN, and
And connect the status information of equipment transmission self by every SVG equipment or APF equipment to LAN,
And receive the status information that other SVG equipment or APF equipment send, according to self status information and
Other SVG equipment or the status information of APF equipment, the SVG automatically calculating current parallel running sets
Standby or total number of units of APF equipment and the most idle, exports the compensation electric current self undertaken, it is achieved that the most also
The Coordination Equilibrium output of connection SVG equipment or APF equipment.
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 some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the knot of the multi-machine communication system of a kind of SVG/APF parallel running disclosed in the embodiment of the present invention
Structure schematic diagram；
Fig. 2 is the multi-machine communication system of a kind of SVG/APF parallel running disclosed in another embodiment of the present invention
Structural representation；
Fig. 3 is the multi-machine communication system of a kind of SVG/APF parallel running disclosed in another embodiment of the present invention
Structural representation；
Fig. 4 is the structural representation of control module disclosed in an embodiment in the present invention；
Fig. 5 is the multi-machine communication system of a kind of SVG/APF parallel running disclosed in another embodiment of the present invention
Structural representation；
Fig. 6 is the structural representation of control module disclosed in an embodiment in the present invention；
Fig. 7 is the multi-computer communication method flow of a kind of SVG/APF parallel running disclosed in the embodiment of the present invention
Figure；
Fig. 8 is a kind of multi-computer communication method of SVG/APF parallel running disclosed in another embodiment of the present invention
Flow chart.
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,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Make 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 multi-machine communication system and method, the energy of a kind of SVG/APF parallel running
While enough realizing each SVG/APF equipment coordination equilibrium output in parallel, greatly reduce the connection of interconnected communication
Line quantity, thus reduce operation and maintenance workload.In embodiments of the present invention, in " SVG/APF "
"/" symbol all represent or meaning.
As it is shown in figure 1, disclosed in the embodiment of the present invention multi-computer communication of a kind of SVG/APF parallel running
System, including:
Two or more SVG equipment parallel with one another, or two or more parallel with one another
APF equipment；
It is connected based on ethernet communication the LAN that is connected with every SVG equipment or every APF equipment and sets
Standby 12.
The operation principle of above-described embodiment is: by two or more SVG equipment parallel with one another, or
The two or more APF equipment parallel with one another of person, is connected equipment 12 respectively and connects with LAN.Often
Platform SVG equipment or every APF equipment 11 connect equipment 12 to LAN based on ethernet communication
Send the status information of self, and by LAN connect equipment 12 receive other SVG equipment or its
The status information that its APF equipment 11 sends, wherein, described status information includes tractor parameter, networking
Parameter and control parameter.Every SVG equipment or every APF equipment 11 are according to the status information of self
With other SVG equipment or the status information of other APF equipment 11, automatically calculate current parallel running
SVG equipment or total number of units of APF equipment 11 and the most idle, export the compensation electric current self undertaken.
In above-described embodiment, by by SVG equipment or APF equipment respectively with LAN be connected equipment
Connect, greatly reduce the connecting line quantity of interconnected communication.And by every SVG equipment or every
APF equipment connects equipment to LAN and sends self status information, and receive other SVG equipment or
The status information that other APF equipment sends, according to self status information and other SVG equipment or its
The status information of its APF equipment, calculates SVG equipment or the APF equipment of current parallel running automatically
Total number of units and the most idle, export the compensation electric current self undertaken, it is achieved that each SVG equipment in parallel or
The Coordination Equilibrium output of each APF equipment in parallel.
Another embodiment of the present invention also discloses the multi-machine communication system of a kind of SVG/APF parallel running,
As in figure 2 it is shown, include:
Two or more SVG equipment parallel with one another, or two or more parallel with one another
APF equipment；
It is connected with every SVG equipment or every APF equipment 21, LAN based on ethernet communication
Connection equipment 22；Wherein:
Every SVG equipment or every APF equipment 21 all include: control module 211, power model
212, module 213 and linked reactor module 214 are started；
Control module 211 is connected equipment 22 respectively with LAN and power model 212 is connected；
Power model 212, startup module 213 and linked reactor module 214 pass sequentially through cable and electrical network
It is connected.
Concrete, linked reactor module 214 is: reactor or transformer.
Concrete LAN based on ethernet communication connects equipment 22: router, or hub,
Or optical-electrical converter, or switch.
The operation principle of above-described embodiment is: by every SVG equipment or every APF equipment 21
Control module 211, is connected equipment 22 respectively and connects with LAN.Wherein, LAN connection equipment 22 is
Router, or hub, or optical-electrical converter, or switch.Each control module 211 to
LAN connects equipment 22 and sends self SVG equipment or the status information of APF equipment 21, and passes through
LAN connects equipment 22 and receives other SVG equipment or the status information of other APF equipment 21, its
In, described status information includes tractor parameter, networking parameter and controls parameter.Each control module 211
Status information according to self SVG equipment or APF equipment 21 and other SVG equipment or other
The status information of APF equipment 21, calculates SVG equipment or the APF equipment of current parallel running automatically
Total number of units of 21 and the most idle, according to result of calculation, controls power model 212, starts module 213 and
Linked reactor module 214 exports the compensation electric current self undertaken.
Another embodiment of the present invention also discloses the multi-machine communication system of a kind of SVG/APF parallel running,
As shown in Figure 3 and Figure 4, including:
Two or more SVG equipment parallel with one another, or two or more parallel with one another
APF equipment；
The optical-electrical converter 32 identical with SVG equipment or APF equipment 31 number；Wherein:
Every SVG equipment or every APF equipment 31 include: control module 311, power model 312,
Start module 313 and linked reactor module 314；Wherein, control module 311 include controller 3111,
Human-computer interaction interface 3112 and Ethernet interface 3113；
Controller 3111 in control module 311 is connected with power model 312；
Power model 312, startup module 313 and linked reactor module 314 pass sequentially through cable and electrical network
Connect；
Human-computer interaction interface 3112 in control module 311 is by serial communication or ethernet communication and control
Device 3111 connects；
Each optical-electrical converter 32 at least has a RJ45 Ethernet interface, the first optical fiber interface and
Two optical fiber interfaces；
Ethernet interface 3113 in each control module 311 respectively with an optical-electrical converter 32
RJ45 Ethernet interface connects, the first optical fiber port of First optical-electrical converter 32 and adjacent opto-electronic conversion
Second optical fiber port of device 32 is connected by optical fiber, the second optical fiber port of First optical-electrical converter 32 with
Second optical fiber port of later optical-electrical converter 32 is vacant not to be connected.So by N platform optical-electrical converter 32 grades
The fiber optic Ethernet network that joint group becomes completes the group-net communication function of common Ethernet in embodiment one.This
Planting cascaded communication system and need N bar netting twine and N-1 group optical fiber transceiving line, communication media is optical fiber, with net
Line is compared and is increased transmission range, improves signal antijamming capability.
Concrete linked reactor module 314 is reactor or transformer.
The operation principle of above-described embodiment is: by every SVG equipment or every APF equipment 31
Human-computer interaction interface 3112 SVG equipment or APF equipment 31 are set to parallel-operation expansion pattern, join
Putting the network interface information of every SVG equipment or every APF equipment 31, wherein network interface information includes IP ground
Location and MAC Address.By netting twine by the ether in every SVG equipment or every APF equipment 31
Network interface 3113 is connected with the RJ45 Ethernet interface of every optical-electrical converter 32, in control module 311
Controller 3111 by Ethernet interface 3113 to optical-electrical converter 32 send self SVG equipment or
The status information of person's APF equipment 31, and by Ethernet interface 3113 receive other SVG equipment or
The status information of other APF equipment 31, wherein, status information includes tractor parameter, networking parameter and control
Parameter processed.Tractor parameter includes the capacity of the machine, exports the most idle, local state；Networking parameter includes
Local IP address, handshake data, device number；Control parameter to include: and machine model selection, the machine operation
Mode, reference current.The controller 3111 of every SVG equipment or every APF equipment 31 is according to certainly
The status information of body SVG equipment or APF equipment 31 and other SVG equipment or other APF set
The status information of standby 31, sets up networking controller parameter list, and the information in parameter list includes controller complete machine
Parameter, networking parameter and control parameter.Controller 3111 is added up according to the parameter list each set up and is calculated
Respective diverting coefficient, and calculate, according to the system voltage detected, current signal, the total nothing that will compensate
Merit and harmonic current, after then the most idle and harmonic current being multiplied by diverting coefficient, export and self need to mend
Power model 312 in the current-order repaid, every SVG equipment or every APF equipment 31, open
The current-order needing to compensate that dynamic model block 313 and linked reactor module 314 export according to controller is defeated
Go out to compensate electric current.
Another embodiment of the present invention also discloses the multi-machine communication system of a kind of SVG/APF parallel running,
As shown in Figure 5 and Figure 6, including:
Two or more SVG equipment parallel with one another, or two or more parallel with one another
APF equipment and optical fiber switch 42；Wherein:
Every SVG equipment or every APF equipment 41 include: control module 411, power model 412,
Start module 413 and linked reactor module 414；Wherein, control module 411 include controller 4111,
Human-computer interaction interface 4112, Ethernet interface 4113, photoelectric switching circuit 4114 and optical fiber interface 4115.
Controller 4111 in control module 411 is connected with power model 412；
Power model 412, startup module 413 and linked reactor module 414 pass sequentially through cable and electrical network
Connect；
Human-computer interaction interface 4112 in control module 411 is by serial communication or ethernet communication and control
Device 4111 connects；
Controller 4111 in control module 411 is connected with Ethernet interface 4113；
Ethernet interface 4113 is connected with optical fiber interface 4115 by after photoelectric switching circuit 4114；
Optical fiber interface 4114 is connected with optical fiber switch 42.
This fiber optic Ethernet communication system only needs N group optical fiber transceiving line SVG equipment or APF to be set
Optical fiber interface in Bei is connected with optical fiber switch, increases transmission range, and improve compared with netting twine
The antijamming capability of signal.
Concrete, linked reactor module 414 is reactor or transformer.
The operation principle of above-described embodiment is: by every SVG equipment or every APF equipment 41
Human-computer interaction interface 4112, SVG equipment or APF equipment 41 are set to parallel-operation expansion pattern,
Configuring the network interface information of every SVG equipment or every APF equipment 41, wherein network interface information includes IP
Address and MAC Address.By optical fiber transceiving line by every SVG equipment or every APF equipment 41
In optical fiber interface 4115 be connected with optical fiber switch 42, controller in control module 311 4111 leads to
Cross after Ethernet interface 4113, photoelectric switching circuit 4114 and optical fiber interface 4115 to optical fiber switch 42
Send self SVG equipment or the status information of APF equipment 41, and received by optical fiber interface 4115
Other SVG equipment or the status information of other APF equipment 41, wherein, status information includes complete machine
Parameter, networking parameter and control parameter.Tractor parameter includes the capacity of the machine, exports the most idle, the machine
State；Networking parameter includes local IP address, handshake data, device number；Control parameter to include: and machine
Model selection, the machine method of operation, reference current.Every SVG equipment or every APF equipment 41
Controller 4111 according to the status information of self SVG equipment or APF equipment 41 and other SVG
Equipment or the status information of other APF equipment 41, set up networking controller parameter list, in parameter list
Information includes controller tractor parameter, networking parameter and controls parameter.Controller 4111 is according to each setting up
Parameter list add up and calculate respective diverting coefficient, and according to the system voltage detected, current signal
The most idle and the harmonic current that calculating will compensate, is then multiplied by diverting coefficient by the most idle and harmonic current
After, export the current-order self needing to compensate, in every SVG equipment or every APF equipment 41
Power model 412, start the needs that module 413 and linked reactor module 414 export according to controller
The current-order output compensated compensates electric current.
As it is shown in fig. 7, be the multi-computer communication method of a kind of SVG/APF parallel running disclosed by the invention,
Including:
S101, every SVG equipment or every APF equipment connect equipment to LAN and send the shape of self
State information；
S102, every SVG equipment or every APF equipment connect equipment by LAN and receive other
The status information that SVG equipment or other APF equipment send；
S103, every SVG equipment or every A PF equipment are according to self status information and other SVG
Equipment or the status information of other APF equipment, automatically calculate current parallel running SVG equipment or
Total number of units of APF equipment and the most idle, exports the compensation electric current self undertaken.
In the above-described embodiments, two or more SVG equipment parallel with one another, or two or two
APF equipment more than platform parallel with one another connects equipment to connected LAN respectively and sends from the shape set
State information, and connect equipment by LAN and receive what other SVG equipment or other APF equipment sent
Status information, wherein, described status information includes tractor parameter, networking parameter and controls parameter.Every
SVG equipment or APF equipment are according to self status information and other SVG equipment or other APF
The status information of equipment, calculates SVG equipment or total number of units of APF equipment of current parallel running automatically
The most idle, export the compensation electric current self undertaken.
In above-described embodiment, by SVG equipment or APF equipment being connected respectively equipment even with LAN
Connect, greatly reduce the connecting line quantity of interconnected communication.And by every SVG equipment or every
APF equipment connects equipment to LAN and sends self status information, and receive other SVG equipment or
The status information that other APF equipment sends, according to self status information and other SVG equipment or its
The status information of its APF equipment, calculates SVG equipment or the APF equipment of current parallel running automatically
Total number of units and the most idle, export the compensation electric current self undertaken, it is achieved that each SVG equipment in parallel or
The Coordination Equilibrium output of APF equipment.
Another embodiment of the present invention also discloses a kind of multi-computer communication method of SVG/APF parallel running,
As shown in Figure 8, including:
S201, by every SVG equipment or the human-computer interaction interface of every APF equipment, by SVG
Equipment or APF equipment are set to parallel-operation expansion pattern；
S202, configure the network interface information of every SVG equipment or every APF equipment；
S203, SVG equipment parallel with one another or APF equipment are respectively connected to LAN connect equipment；
Controller in S204, every SVG equipment or every APF equipment connects equipment to LAN and sends out
Give the status information of self；
Controller in S205, every SVG equipment or every APF equipment connects equipment by LAN
Receive other SVG equipment or the status information of other APF equipment transmission；
Controller in S206, every SVG equipment or every APF equipment is according to the status information of self
The status information foundation sent with other SVG equipment or other APF equipment comprises tractor parameter, networking
Parameter and the parameter list of control parameter；
Controller in S207, every SVG equipment or every APF equipment is according to the parameter list system set up
Count and calculate respective diverting coefficient, and calculate will mend according to the system voltage detected, current signal
The most idle and the harmonic current repaid；
Controller in S208, every SVG equipment or every APF equipment is by the most idle and harmonic current
After being multiplied by diverting coefficient, export the current-order self needing to compensate；
Power model, startup module and connection in S209, every SVG equipment or every APF equipment
The current-order output compensated that needs that reactor module exports according to controller compensates electric current.
In the above-described embodiments, by man-machine interaction circle in every SVG equipment or every APF equipment
Face, is set to parallel-operation expansion pattern by SVG equipment or APF equipment, configure every SVG equipment or
The network interface information of person every APF equipment, wherein network interface information includes IP address and MAC Address.Pass through
Netting twine, by the Ethernet interface in every SVG equipment or every APF equipment, is connected with as LAN
The RJ45 Ethernet interface of every optical-electrical converter of equipment connects, the controller in control module by with
Too network interface sends self SVG equipment or the status information of APF equipment to optical-electrical converter, and passes through
Ethernet interface receives other SVG equipment or the status information of other APF equipment, and wherein, state is believed
Breath includes tractor parameter, networking parameter and controls parameter.Tractor parameter includes that the capacity of the machine, output are total
Idle, local state；Networking parameter includes local IP address, handshake data, device number；Control parameter
Including: and machine model selection, the machine method of operation, reference current.Every SVG equipment or every
The controller of APF equipment is according to the status information of self SVG equipment or APF equipment and other SVG
Equipment or the status information of other APF equipment, set up networking controller parameter list, the letter in parameter list
Breath includes controller tractor parameter, networking parameter and controls parameter.Controller is according to the parameter each set up
Respective diverting coefficient is added up and calculated to table, and incites somebody to action according to the system voltage detected, current signal calculating
The most idle and harmonic current to be compensated, after then the most idle and harmonic current being multiplied by diverting coefficient, defeated
Go out the current-order self needing to compensate, power model in every SVG equipment or every APF equipment,
Start the current-order output compensation needing to compensate that module and linked reactor module export according to controller
Electric current.
In the above-described embodiments, it is also possible to be, by every SVG equipment or every APF equipment
Human-computer interaction interface, is set to parallel-operation expansion pattern by SVG equipment or APF equipment, configures every
The network interface information of SVG equipment or every APF equipment, wherein network interface information includes IP address and MAC
Address.By optical fiber transceiving line by the optical fiber interface in every SVG equipment or every APF equipment, with
The optical fiber switch 42 connecting equipment as LAN connects, and the controller in control module passes through Ethernet
Self SVG equipment or APF is sent to optical fiber switch after interface, photoelectric switching circuit and optical fiber interface
The status information of equipment, and receive other SVG equipment or the shape of other APF equipment by optical fiber interface
State information, wherein, status information includes tractor parameter, networking parameter and controls parameter.Tractor parameter bag
Include the capacity of the machine, export the most idle, local state；Networking parameter includes local IP address, number of shaking hands
According to, device number；Control parameter to include: and machine model selection, the machine method of operation, reference current.Often
The controller of platform SVG equipment or every APF equipment is according to self SVG equipment or APF equipment
Status information and other SVG equipment or the status information of other APF equipment, set up networking controller ginseng
Number table, the information in parameter list includes controller tractor parameter, networking parameter and controls parameter.Controller
Add up and calculate respective diverting coefficient according to the parameter list each set up, and according to the system electricity detected
Pressure, current signal calculate the most idle and harmonic current that will compensate, then by the most idle and harmonic current
After being multiplied by diverting coefficient, export the current-order self needing to compensate, every SVG equipment or every
The needs that power model, startup module and linked reactor module in APF equipment exports according to controller
The current-order output compensated compensates electric current.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (11)
1. a multi-machine communication system for static reacance generator/Parallel Operation of Active, it is special
Levying and be, described multi-machine communication system includes:
Two or more static reacance generator equipment parallel with one another, or two or more phase
Active Power Filter-APF equipment the most in parallel；
Based on ethernet communication and with every static reacance generator equipment or every Active Power Filter-APF
The LAN that equipment is connected connects equipment；
Every static reacance generator equipment or every Active Power Filter-APF equipment set to LAN connection
Preparation gives the status information of self；Wherein, described status information includes tractor parameter, networking parameter and control
Parameter；
Every static reacance generator equipment or every Active Power Filter-APF equipment are by described LAN
Connection equipment receives other static reacance generator equipment or the shape of other Active Power Filter-APF equipment transmission
State information；
Every static reacance generator equipment or every Active Power Filter-APF equipment are according to the state of self
Information and other static reacance generator equipment or the status information of other Active Power Filter-APF equipment, from
The dynamic static reacance generator equipment calculating current parallel running or total number of units of Active Power Filter-APF equipment
The most idle, export the compensation electric current self undertaken.
Multi-machine communication system the most according to claim 1, it is characterised in that described every static nothing
Merit generator apparatus or every Active Power Filter-APF equipment all include: control module, power model, open
Dynamic model block and linked reactor module；Wherein:
Described control module is connected equipment and is connected with described LAN；
Described control module is connected with described power model；
Described power model, described startup module, described linked reactor module pass sequentially through cable and electrical network
It is connected.
Multi-machine communication system the most according to claim 1, it is characterised in that described LAN connects
Equipment is specially router, or hub, or optical-electrical converter, or switch.
Multi-machine communication system the most according to claim 2, it is characterised in that described control module bag
Include: controller, human-computer interaction interface and Ethernet interface, wherein:
Described controller is connected with described Ethernet interface, and by described Ethernet interface and described LAN
Connection equipment communicates to connect；
Described human-computer interaction interface is led to described controller by serial port or ethernet communication mode
Letter connects；
Described controller is also connected with described power model.
Multi-machine communication system the most according to claim 2, it is characterised in that described LAN connects
Equipment is optical fiber switch；
Described control module includes: controller, human-computer interaction interface, Ethernet interface, photoelectric switching circuit
And optical fiber interface；Wherein:
Described controller is connected with described Ethernet interface；
Described Ethernet interface is by being connected with described optical fiber interface after described photoelectric switching circuit；
Described optical fiber interface is connected with described optical fiber switch；
Described human-computer interaction interface is connected with described controller by serial communication or ethernet communication；
Described controller is connected with described power model.
Multi-machine communication system the most according to claim 1, it is characterised in that described linked reactor
Module is specially reactor or transformer.
7. a multi-computer communication method for static reacance generator/Parallel Operation of Active, it is special
Levying and be, described multi-computer communication method is applied to the multi-computer communication system described in any one of the claims 1-6
System, described multi-computer communication method includes:
Every static reacance generator equipment or every Active Power Filter-APF equipment set to LAN connection
Preparation gives the status information of self；
Every static reacance generator equipment or every Active Power Filter-APF equipment are by described LAN
Connection equipment receives other static reacance generator equipment or the shape of other Active Power Filter-APF equipment transmission
State information；
Every static reacance generator equipment or Active Power Filter-APF equipment according to self status information and
Other static reacance generator equipment or the status information of other Active Power Filter-APF equipment, calculate automatically
The current static reacance generator equipment of parallel running or total number of units of Active Power Filter-APF equipment and total nothing
Merit, exports the compensation electric current self undertaken.
Multi-computer communication method the most according to claim 7, it is characterised in that described every static
Reacance generator equipment or every Active Power Filter-APF equipment connect equipment to LAN and send the shape of self
Also include before the step of state information:
By every static reacance generator equipment or the human-computer interaction interface of Active Power Filter-APF equipment, will
Static reacance generator equipment or Active Power Filter-APF equipment are set to parallel-operation expansion pattern；
Configure the network interface information of every static reacance generator equipment or Active Power Filter-APF equipment；
Static reacance generator equipment parallel with one another or Active Power Filter-APF equipment are respectively connected to local
Net connection equipment.
Multi-computer communication method the most according to claim 8, it is characterised in that described every static nothing
Merit generator apparatus or every Active Power Filter-APF equipment connect equipment to LAN and send the state of self
The step of information particularly as follows:
Controller in every static reacance generator equipment or every Active Power Filter-APF equipment is to office
Territory net connection equipment sends the status information of self.
Multi-computer communication method the most according to claim 8, it is characterised in that described every static nothing
Merit generator apparatus or every Active Power Filter-APF equipment connect equipment by described LAN and receive other
The step of the status information that static reacance generator equipment or other Active Power Filter-APF equipment send is concrete
For:
Controller in every static reacance generator equipment or every Active Power Filter-APF equipment passes through
Described LAN connection equipment receives other static reacance generator equipment or other Active Power Filter-APF sets
The status information that preparation is sent.
11. multi-computer communication methods according to claim 8, it is characterised in that described every static nothing
Merit generator apparatus or Active Power Filter-APF equipment occur with other static reacance according to the status information of self
Device equipment or the status information of other Active Power Filter-APF equipment, calculate the quiet of current parallel running automatically
Only reacance generator equipment or total number of units of Active Power Filter-APF equipment and the most idle, exports self and undertakes
Compensate electric current step particularly as follows:
Controller in every static reacance generator equipment or Active Power Filter-APF equipment according to self
The status information that status information and other static reacance generator equipment or Active Power Filter-APF equipment send is built
The vertical parameter list comprising tractor parameter, networking parameter and controlling parameter；
Controller in every static reacance generator equipment or Active Power Filter-APF equipment is according to foundation
Respective diverting coefficient is added up and calculated to parameter list, and calculates according to the system voltage detected, current signal
The most idle and the harmonic current that will compensate；
Controller in every static reacance generator equipment or Active Power Filter-APF equipment will the most idle and
After harmonic current is multiplied by diverting coefficient, export the current-order self needing to compensate；
Power model in every static reacance generator equipment or Active Power Filter-APF equipment, startup module
The current-order output compensated that needs exported according to controller with linked reactor module compensates electric current.
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| CN201310242709.8A CN103311934B (en) | 2013-06-18 | 2013-06-18 | The multi-machine communication system of a kind of SVG/APF parallel running and method |
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| CN201310242709.8A CN103311934B (en) | 2013-06-18 | 2013-06-18 | The multi-machine communication system of a kind of SVG/APF parallel running and method |
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| CN107611972B (en) * | 2017-09-25 | 2020-04-17 | 泰州学院 | Power module online automatic disconnection and parallel control method of modular active power filter |
| CN109728936B (en) * | 2018-12-05 | 2021-10-29 | 北京电力自动化设备有限公司 | Communication management method, device and system for high-voltage chain type static var generator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231523A (en) * | 2011-07-06 | 2011-11-02 | 思源清能电气电子有限公司 | Master-slave control system and method used for parallel operation of APF/SVG |
| CN102280891A (en) * | 2011-07-28 | 2011-12-14 | 思源清能电气电子有限公司 | Static var generator (SVG) device parallel running control system and method based on optical fiber high speed communication |
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| JP4369071B2 (en) * | 2001-03-30 | 2009-11-18 | 東京瓦斯株式会社 | Power supply system, reactive power supply method, private power generation facility disconnection method, and reactive power supply command device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231523A (en) * | 2011-07-06 | 2011-11-02 | 思源清能电气电子有限公司 | Master-slave control system and method used for parallel operation of APF/SVG |
| CN102280891A (en) * | 2011-07-28 | 2011-12-14 | 思源清能电气电子有限公司 | Static var generator (SVG) device parallel running control system and method based on optical fiber high speed communication |
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