CN103311934A - System and method for multi-machine communication with SVG/APF (static var generator/active power filter) in parallel operation - Google Patents
System and method for multi-machine communication with SVG/APF (static var generator/active power filter) in parallel operation Download PDFInfo
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- CN103311934A CN103311934A CN2013102427098A CN201310242709A CN103311934A CN 103311934 A CN103311934 A CN 103311934A CN 2013102427098 A CN2013102427098 A CN 2013102427098A CN 201310242709 A CN201310242709 A CN 201310242709A CN 103311934 A CN103311934 A CN 103311934A
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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]
Abstract
The invention discloses a system and a method for multi-machine communication with SVG/APF (static var generator/active power filter) in parallel operation. The system comprises two or more SVG equipment in mutually parallel connection or two or more APF equipment in mutually parallel connection, and local area network connecting equipment connected with each SVG/APF. The two or more SVG/APF equipment in mutually parallel connection are connected with the local area network connecting equipment respectively, so that the number of connecting lines for interconnection communication is greatly reduced; each SVG/APF equipment sends own state information to the local area network connecting equipment, receives state information sent by other SVG/APF equipment, and automatically calculates total number and total idle work of the SVG/APF equipment in parallel operation currently and outputs own borne compensation currents according to the own state information and the state information of the other SVG/APF equipment, so that coordinated and balanced output of all SVG/APF equipment in parallel connection is realized.
Description
Technical field
The present invention relates to power electronics control technology field, more particularly, relate to a kind of SVG(Static Var Generator, the static reacance transmitter)/APF(Active Power Filter, Active Power Filter-APF) multi-machine communication system and the method for parallel running.
Background technology
SVG (Static Var Generator, static reacance generator)/APF (Active Power Filter, Active Power Filter-APF) is one of the visual plant of flexible AC transmission technology, representing the new developing direction of present stage power system reactive power compensation technology.SVG/APF can provide capacitive and lagging reactive power with connecting fast, realize suitable voltage and Reactive Power Control and harmonic compensation, ensure power system stability, efficient, high-quality ground operation, can significantly improve load and the quality of power supply at public electric wire net tie point place, improve the tie point place power factor, overcome three-phase imbalance, eliminate voltage fluctuation, suppress harmonic pollution etc.
The power electronic equipments such as SVG/APF are subjected to the power device withstand voltage level, current capacity, switching frequency, manufacturing process, the restriction of price and connection in series-parallel technology etc., it is very large that single-machine capacity can not be done, when the electric current that need compensate when system surpasses the specified compensation ability of separate unit SVG/APF equipment, usually receive respectively N platform equipment on the bus, each SVG/APF equipment independent operating, this mode belongs to the decentralized control type, equipment is not communication each other, do not know how many electric currents other SVG/APF equipment have sent out, do not know the entire system current conditions yet, compensation effect is relatively poor, and the control mode the when control mode of each SVG/APF equipment and separate unit operation there is no essential distinction.When each SVG/APF equipment did not have whole full-load run, if certain SVG/APF equipment fault is out of service, other SVG/APF equipment were not also known, export thereby can not improve accordingly self, have wasted compensation capacity.And these all can not satisfy the SVG constant voltage control of wind-powered electricity generation, the service requirement of subway constant power factor control based on the parallel way of communication, idle instruction trace in the time of can not supporting dispatching of power netwoks is so that there is larger limitation in the application scenario of this decentralized control type operational mode.
Summary of the invention
In view of this, the invention provides a kind of multi-machine communication system and method for SVG/APF parallel running, when can realize the balanced output of each SVG/APF equipment coordination in parallel, greatly reduce the connecting line quantity of interconnected communication, thereby reduce the operation and maintenance workload.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of multi-machine communication system of static reacance generator/Parallel Operation of Active, described multi-machine communication system comprises:
Two or more static reacance generator equipment parallel with one another, perhaps 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 local area network (LAN) connection device that Active Power Filter-APF equipment links to each other.
Preferably, described every static reacance generator equipment or every Active Power Filter-APF equipment include: control module, power model, startup module and linked reactor module; Wherein:
Described control module links to each other with described local area network (LAN) connection device;
Described control module links to each other with described power model;
Described power model, described startup module, described linked reactor module link to each other with electrical network by cable successively.
Preferably, described local area network (LAN) connection device is specially router, perhaps hub, perhaps optical-electrical converter, perhaps switch.
Preferably, described control module comprises: controller, human-computer interaction interface and Ethernet interface, wherein:
Described controller links to each other with described Ethernet interface, and by described Ethernet interface and the communication connection of described local area network (LAN) connection device;
Described human-computer interaction interface is by serial port or ethernet communication mode and the communication connection of described controller;
Described controller also links to each other with described power model.
Preferably, described local area network (LAN) connection device is optical fiber switch;
Described control module comprises: 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 connected with described optical fiber interface by behind the 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, described multi-computer communication method is applied to above-mentioned multi-machine communication system, and described multi-computer communication method comprises:
Every static reacance generator equipment or every Active Power Filter-APF equipment send the state information of self to the local area network (LAN) connection device;
Every static reacance generator equipment or every Active Power Filter-APF equipment receive the state information that other static reacance generator equipment or other Active Power Filter-APF equipment send by described local area network (LAN) connection device;
Every static reacance generator equipment or Active Power Filter-APF equipment are according to the state information of self and the state information of other static reacance generator equipment or other Active Power Filter-APF equipment, automatically total number of units of the static reacance generator equipment of the current parallel running of calculating or Active Power Filter-APF equipment and always idle is exported the offset current of self bearing.
Preferably, also comprised before the step of the state information of local area network (LAN) connection device transmission self at described every static reacance generator equipment or every Active Power Filter-APF equipment:
By the human-computer interaction interface of every static reacance generator equipment or Active Power Filter-APF equipment, static reacance generator equipment or Active Power Filter-APF equipment are set to the parallel operation Diffuse Dimension model;
Configure the network interface information of every static reacance generator equipment or Active Power Filter-APF equipment;
With static reacance generator equipment parallel with one another or Active Power Filter-APF equipment difference access to LAN connection device.
Preferably, described every static reacance generator equipment or every Active Power Filter-APF equipment are specially to the step that the local area network (LAN) connection device sends the state information of self:
Controller in every static reacance generator equipment or every the Active Power Filter-APF equipment sends the state information of self to the local area network (LAN) connection device.
Preferably, described every static reacance generator equipment or every Active Power Filter-APF equipment are specially by the step that described local area network (LAN) connection device receives the state information of other static reacance generator equipment or the transmission of other Active Power Filter-APF equipment:
Controller in every static reacance generator equipment or every the Active Power Filter-APF equipment receives other static reacance generator equipment or every state information that Active Power Filter-APF equipment sends by the local area network (LAN) connection device.
Preferably, described every static reacance generator equipment or Active Power Filter-APF equipment are according to the state information of self and the state information of other static reacance generator equipment or other Active Power Filter-APF equipment, the static reacance generator equipment of the current parallel running of automatic calculating or total number of units of Active Power Filter-APF equipment and always idle, the step of exporting the offset current of self bearing is specially:
Controller in every static reacance generator equipment or the Active Power Filter-APF equipment is set up the parameter list that comprises tractor parameter, networking parameter and control parameter according to self state information and the state information that sends of other static reacance generator equipment or Active Power Filter-APF equipment;
Controller in every static reacance generator equipment or the Active Power Filter-APF equipment is according to the parameter list statistics of setting up and calculate separately diverting coefficient, and calculates the total idle and harmonic current that will compensate according to the system voltage that detects, current signal;
Controller in every static reacance generator equipment or the Active Power Filter-APF equipment will be total after idle and harmonic current multiply by diverting coefficient, exports the current-order that self need to compensate;
Power model in every static reacance generator equipment or the Active Power Filter-APF equipment, start module and linked reactor module according to the current-order output offset current of the needs compensation of controller output.
Can find out from above-mentioned technical scheme, the multi-machine communication system of a kind of SVG/APF parallel running disclosed by the invention and method, by with two or more SVG equipment parallel with one another or APF equipment, be connected with the local area network (LAN) connection device respectively, greatly reduced the connecting line quantity of interconnected communication, and send the state information of self to the local area network (LAN) connection device by every SVG equipment or APF equipment, and receive the state information that other SVG equipment or APF equipment send, according to the state information of self and the state information of other SVG equipment or APF equipment, the SVG equipment of the current parallel running of automatic calculating or total number of units of APF equipment and always idle, export the offset current of self bearing, realized the Coordination Equilibrium output of each SVG equipment in parallel or APF equipment.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the multi-machine communication system of the disclosed a kind of SVG/APF parallel running of the embodiment of the invention;
Fig. 2 is the structural representation of the multi-machine communication system of the disclosed a kind of SVG/APF parallel running of another embodiment of the present invention;
Fig. 3 is the structural representation of the multi-machine communication system of the disclosed a kind of SVG/APF parallel running of another embodiment of the present invention;
Fig. 4 is the structural representation of the disclosed control module of an embodiment in the present invention;
Fig. 5 is the structural representation of the multi-machine communication system of the disclosed a kind of SVG/APF parallel running of another embodiment of the present invention;
Fig. 6 is the structural representation of the disclosed control module of an embodiment in the present invention;
Fig. 7 is the multi-computer communication method flow diagram of the disclosed a kind of SVG/APF parallel running of the embodiment of the invention;
Fig. 8 is the multi-computer communication method flow diagram of the disclosed a kind of SVG/APF parallel running of another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention discloses a kind of multi-machine communication system and method for SVG/APF parallel running, when can realize the balanced output of each SVG/APF equipment coordination in parallel, greatly reduce the connecting line quantity of interconnected communication, thereby reduce the operation and maintenance workload.In embodiments of the present invention, "/" symbol in " SVG/APF " all represent or meaning.
As shown in Figure 1, the multi-machine communication system for the disclosed a kind of SVG/APF parallel running of the embodiment of the invention comprises:
Two or more SVG equipment parallel with one another, perhaps two or more APF equipment parallel with one another;
Based on ethernet communication and with every SVG equipment or every local area network (LAN) connection device 12 that APF equipment links to each other.
The operation principle of above-described embodiment is: with two or more SVG equipment parallel with one another, perhaps two or more APF equipment parallel with one another are connected with local area network (LAN) connection device 12 respectively.Every SVG equipment or every APF equipment 11 are to the state information that sends self based on the local area network (LAN) connection device 12 of ethernet communication, and receive the state information that other SVG equipment or other APF equipment 11 send by local area network (LAN) connection device 12, wherein, described state information comprises tractor parameter, networking parameter and control parameter.Every SVG equipment or every APF equipment 11 are according to the state information of self and the state information of other SVG equipment or other APF equipment 11, automatically total number of units of the SVG equipment of the current parallel running of calculating or APF equipment 11 and always idle is exported the offset current of self bearing.
In above-described embodiment, by with SVG equipment or APF equipment respectively with the local area network (LAN) connection device be connected, greatly reduced the connecting line quantity of interconnected communication.And send the state information of self to the local area network (LAN) connection device by every SVG equipment or every APF equipment, and receive the state information that other SVG equipment or other APF equipment send, according to the state information of self and the state information of other SVG equipment or other APF equipment, the SVG equipment of the current parallel running of automatic calculating or total number of units of APF equipment and always idle, export the offset current of self bearing, realized the Coordination Equilibrium output of each SVG equipment in parallel or each APF equipment in parallel.
Another embodiment of the present invention also discloses a kind of multi-machine communication system of SVG/APF parallel running, as shown in Figure 2, comprising:
Two or more SVG equipment parallel with one another, perhaps two or more APF equipment parallel with one another;
Link to each other with every SVG equipment or every APF equipment 21, based on the local area network (LAN) connection device 22 of ethernet communication; Wherein:
Every SVG equipment or every APF equipment 21 include: control module 211, power model 212, startup module 213 and linked reactor module 214;
Control module 211 links to each other with power model 212 with local area network (LAN) connection device 22 respectively;
Power model 212, startup module 213 link to each other with electrical network by cable successively with linked reactor module 214.
Concrete, linked reactor module 214 is: reactor or transformer.
The concrete local area network (LAN) connection device 22 based on ethernet communication is: router, perhaps hub, perhaps optical-electrical converter, perhaps switch.
The operation principle of above-described embodiment is: the control module 211 with in every SVG equipment or every the APF equipment 21 is connected with local area network (LAN) connection device 22 respectively.Wherein, local area network (LAN) connection device 22 is router, perhaps hub, perhaps optical-electrical converter, perhaps switch.Each control module 211 is to the state information of local area network (LAN) connection device 22 transmissions self SVG equipment or APF equipment 21, and receive the state information of other SVG equipment or other APF equipment 21 by local area network (LAN) connection device 22, wherein, described state information comprises tractor parameter, networking parameter and control parameter.Each control module 211 is according to self SVG equipment or the state information of APF equipment 21 and the state information of other SVG equipment or other APF equipment 21, the SVG equipment of the current parallel running of automatic calculating or total number of units of APF equipment 21 and always idle, according to result of calculation, the offset current that power ratio control module 212, startup module 213 and 214 outputs of linked reactor module are born self.
Another embodiment of the present invention also discloses a kind of multi-machine communication system of SVG/APF parallel running, as shown in Figure 3 and Figure 4, comprising:
Two or more SVG equipment parallel with one another, perhaps two or more APF equipment parallel with one another;
The optical-electrical converter 32 identical with SVG equipment or APF equipment 31 numbers; Wherein:
Every SVG equipment or every APF equipment 31 comprise: control module 311, power model 312, startup module 313 and linked reactor module 314; Wherein, control module 311 comprises controller 3111, human-computer interaction interface 3112 and Ethernet interface 3113;
Human-computer interaction interface 3112 in the control module 311 is connected with controller 3111 by serial communication or ethernet communication;
Each optical-electrical converter 32 has a RJ45 Ethernet interface, the first optical fiber interface and the second optical fiber interface at least;
Concrete linked reactor module 314 is reactor or transformer.
The operation principle of above-described embodiment is: by the human-computer interaction interface 3112 in every SVG equipment or every the APF equipment 31 SVG equipment or APF equipment 31 are set to the parallel operation Diffuse Dimension model, configure the network interface information of every SVG equipment or every APF equipment 31, wherein network interface information comprises IP address and MAC Address.By netting twine the Ethernet interface 3113 in every SVG equipment or every the APF equipment 31 is connected with the RJ45 Ethernet interface of every optical-electrical converter 32, controller 3111 in the control module 311 is by the state information of Ethernet interface 3113 to optical-electrical converter 32 transmissions self SVG equipment or APF equipment 31, and receive the state information of other SVG equipment or other APF equipment 31 by Ethernet interface 3113, wherein, state information comprises tractor parameter, networking parameter and control parameter.Tractor parameter comprises capacity, total idle, the local state of output of the machine; The networking parameter comprises the machine IP address, handshake data, device number; The control parameter comprises: parallel operation model selection, the machine operational mode, reference current.The controller 3111 of every SVG equipment or every APF equipment 31 is according to self SVG equipment or the state information of APF equipment 31 and the state information of other SVG equipment or other APF equipment 31, set up the networking controller parameter list, the information in the parameter list comprises controller tractor parameter, networking parameter and control parameter.Controller 3111 is according to the parameter list statistics of setting up separately and calculating diverting coefficient separately, and calculate the total idle and harmonic current that will compensate according to the system voltage that detects, current signal, then after will always idlely multiply by diverting coefficient with harmonic current, export the current-order that self need to compensate, the power model 312 in every SVG equipment or every the APF equipment 31, start module 313 and linked reactor module 314 according to the current-order output offset current of the needs compensation of controller output.
Another embodiment of the present invention also discloses a kind of multi-machine communication system of SVG/APF parallel running, as shown in Figure 5 and Figure 6, comprising:
Two or more SVG equipment parallel with one another, perhaps two or more APF equipment parallel with one another and optical fiber switch 42; Wherein:
Every SVG equipment or every APF equipment 41 comprise: control module 411, power model 412, startup module 413 and linked reactor module 414; Wherein, control module 411 comprises controller 4111, human-computer interaction interface 4112, Ethernet interface 4113, photoelectric switching circuit 4114 and optical fiber interface 4115.
Human-computer interaction interface 4112 in the control module 411 is connected with controller 4111 by serial communication or ethernet communication;
This fiber optic Ethernet communication system only needs N group optical fiber transceiving line that the optical fiber interface in SVG equipment or the APF equipment is connected with optical fiber switch, compares with netting twine to have increased transmission range, and has improved the Anti-jamming of signal ability.
Concrete, linked reactor module 414 is reactor or transformer.
The operation principle of above-described embodiment is: by the human-computer interaction interface 4112 in every SVG equipment or every the APF equipment 41, SVG equipment or APF equipment 41 are set to the parallel operation Diffuse Dimension model, configure the network interface information of every SVG equipment or every APF equipment 41, wherein network interface information comprises IP address and MAC Address.By the optical fiber transceiving line optical fiber interface 4115 in every SVG equipment or every the APF equipment 41 is connected with optical fiber switch 42, controller 4111 in the control module 311 is by the state information of Ethernet interface 4113, photoelectric switching circuit 4114 and optical fiber interface 4115 backward optical fiber switch 42 transmissions self SVG equipment or APF equipment 41, and receive the state information of other SVG equipment or other APF equipment 41 by optical fiber interface 4115, wherein, state information comprises tractor parameter, networking parameter and control parameter.Tractor parameter comprises capacity, total idle, the local state of output of the machine; The networking parameter comprises the machine IP address, handshake data, device number; The control parameter comprises: parallel operation model selection, the machine operational mode, reference current.The controller 4111 of every SVG equipment or every APF equipment 41 is according to self SVG equipment or the state information of APF equipment 41 and the state information of other SVG equipment or other APF equipment 41, set up the networking controller parameter list, the information in the parameter list comprises controller tractor parameter, networking parameter and control parameter.Controller 4111 is according to the parameter list statistics of setting up separately and calculating diverting coefficient separately, and calculate the total idle and harmonic current that will compensate according to the system voltage that detects, current signal, then after will always idlely multiply by diverting coefficient with harmonic current, export the current-order that self need to compensate, the power model 412 in every SVG equipment or every the APF equipment 41, start module 413 and linked reactor module 414 according to the current-order output offset current of the needs compensation of controller output.
As shown in Figure 7, the multi-computer communication method for a kind of SVG/APF parallel running disclosed by the invention comprises:
S101, every SVG equipment or every APF equipment send the state information of self to the local area network (LAN) connection device;
S102, every SVG equipment or every APF equipment receive the state information that other SVG equipment or other APF equipment send by the local area network (LAN) connection device;
S103, every SVG equipment or every A PF equipment are according to the state information of self and the state information of other SVG equipment or other APF equipment, automatically total number of units of the SVG equipment of the current parallel running of calculating or APF equipment and always idle is exported the offset current of self bearing.
In the above-described embodiments, two or more SVG equipment parallel with one another, perhaps two or more APF equipment parallel with one another send from the state information of establishing to connected local area network (LAN) connection device respectively, and receive the state information that other SVG equipment or other APF equipment send by the local area network (LAN) connection device, wherein, described state information comprises tractor parameter, networking parameter and control parameter.Every SVG equipment or APF equipment are according to the state information of self and the state information of other SVG equipment or other APF equipment, automatically total number of units of the SVG equipment of the current parallel running of calculating or APF equipment and always idle is exported the offset current of self bearing.
In above-described embodiment, by SVG equipment or APF equipment are connected with the local area network (LAN) connection device respectively, greatly reduced the connecting line quantity of interconnected communication.And send the state information of self to the local area network (LAN) connection device by every SVG equipment or every APF equipment, and receive the state information that other SVG equipment or other APF equipment send, according to the state information of self and the state information of other SVG equipment or other APF equipment, the SVG equipment of the current parallel running of automatic calculating or total number of units of APF equipment and always idle, export the offset current of self bearing, realized the Coordination Equilibrium output of each SVG equipment in parallel or 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, comprising:
S201, by the human-computer interaction interface of every SVG equipment or every APF equipment, SVG equipment or APF equipment are set to the parallel operation Diffuse Dimension model;
The network interface information of S202, every SVG equipment of configuration or every APF equipment;
S203, with SVG equipment parallel with one another or APF equipment access to LAN connection device respectively;
Controller in S204, every SVG equipment or every the APF equipment sends the state information of self to the local area network (LAN) connection device;
Controller in S205, every SVG equipment or every the APF equipment receives the state information that other SVG equipment or other APF equipment send by the local area network (LAN) connection device;
Controller in S206, every SVG equipment or every the APF equipment is set up the parameter list that comprises tractor parameter, networking parameter and control parameter according to self state information and the state information that sends of other SVG equipment or other APF equipment;
Controller in S207, every SVG equipment or every the APF equipment is according to the parameter list statistics of setting up and calculate separately diverting coefficient, and calculates the total idle and harmonic current that will compensate according to the system voltage that detects, current signal;
Controller in S208, every SVG equipment or every the APF equipment will be total after idle and harmonic current multiply by diverting coefficient, exports the current-order that self need to compensate;
Power model in S209, every SVG equipment or every the APF equipment, start module and linked reactor module according to the current-order output offset current of the needs compensation of controller output.
In the above-described embodiments, by the human-computer interaction interface in every SVG equipment or every the APF equipment, SVG equipment or APF equipment are set to the parallel operation Diffuse Dimension model, configure the network interface information of every SVG equipment or every APF equipment, and wherein network interface information comprises IP address and MAC Address.By netting twine with the Ethernet interface in every SVG equipment or every the APF equipment, be connected with the RJ45 Ethernet interface as every optical-electrical converter of local area network (LAN) connection device, controller in the control module is by the state information of Ethernet interface to optical-electrical converter transmission self SVG equipment or APF equipment, and receive the state information of other SVG equipment or other APF equipment by Ethernet interface, wherein, state information comprises tractor parameter, networking parameter and control parameter.Tractor parameter comprises capacity, total idle, the local state of output of the machine; The networking parameter comprises the machine IP address, handshake data, device number; The control parameter comprises: parallel operation model selection, the machine operational mode, reference current.The controller of every SVG equipment or every APF equipment is according to self SVG equipment or the state information of APF equipment and the state information of other SVG equipment or other APF equipment, set up the networking controller parameter list, the information in the parameter list comprises controller tractor parameter, networking parameter and control parameter.Controller is according to the parameter list statistics of setting up separately and calculating diverting coefficient separately, and calculate the total idle and harmonic current that will compensate according to the system voltage that detects, current signal, then after will always idlely multiply by diverting coefficient with harmonic current, export the current-order that self need to compensate, the power model in every SVG equipment or every the APF equipment, start module and linked reactor module according to the current-order output offset current of the needs compensation of controller output.
In the above-described embodiments, can also be, by the human-computer interaction interface in every SVG equipment or every the APF equipment, SVG equipment or APF equipment are set to the parallel operation Diffuse Dimension model, configure the network interface information of every SVG equipment or every APF equipment, wherein network interface information comprises IP address and MAC Address.By the optical fiber transceiving line with the optical fiber interface in every SVG equipment or every the APF equipment, be connected with the optical fiber switch 42 as the local area network (LAN) connection device, controller in the control module is by the state information of the backward optical fiber switch transmission of Ethernet interface, photoelectric switching circuit and optical fiber interface self SVG equipment or APF equipment, and receive the state information of other SVG equipment or other APF equipment by optical fiber interface, wherein, state information comprises tractor parameter, networking parameter and control parameter.Tractor parameter comprises capacity, total idle, the local state of output of the machine; The networking parameter comprises the machine IP address, handshake data, device number; The control parameter comprises: parallel operation model selection, the machine operational mode, reference current.The controller of every SVG equipment or every APF equipment is according to self SVG equipment or the state information of APF equipment and the state information of other SVG equipment or other APF equipment, set up the networking controller parameter list, the information in the parameter list comprises controller tractor parameter, networking parameter and control parameter.Controller is according to the parameter list statistics of setting up separately and calculating diverting coefficient separately, and calculate the total idle and harmonic current that will compensate according to the system voltage that detects, current signal, then after will always idlely multiply by diverting coefficient with harmonic current, export the current-order that self need to compensate, the power model in every SVG equipment or every the APF equipment, start module and linked reactor module according to the current-order output offset current of the needs compensation of controller output.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. the multi-machine communication system of a static reacance generator/Parallel Operation of Active is characterized in that, described multi-machine communication system comprises:
Two or more static reacance generator equipment parallel with one another, perhaps 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 local area network (LAN) connection device that Active Power Filter-APF equipment links to each other.
2. multi-machine communication system according to claim 1 is characterized in that, described every static reacance generator equipment or every Active Power Filter-APF equipment include: control module, power model, startup module and linked reactor module; Wherein:
Described control module links to each other with described local area network (LAN) connection device;
Described control module links to each other with described power model;
Described power model, described startup module, described linked reactor module link to each other with electrical network by cable successively.
3. multi-machine communication system according to claim 1 is characterized in that, described local area network (LAN) connection device is specially router, perhaps hub, perhaps optical-electrical converter, perhaps switch.
4. multi-machine communication system according to claim 2 is characterized in that, described control module comprises: controller, human-computer interaction interface and Ethernet interface, wherein:
Described controller links to each other with described Ethernet interface, and by described Ethernet interface and the communication connection of described local area network (LAN) connection device;
Described human-computer interaction interface is by serial port or ethernet communication mode and the communication connection of described controller;
Described controller also links to each other with described power model.
5. multi-machine communication system according to claim 2 is characterized in that, described local area network (LAN) connection device is optical fiber switch;
Described control module comprises: 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 connected with described optical fiber interface by behind the 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.
6. multi-machine communication system according to claim 1 is characterized in that, described linked reactor module is specially reactor or transformer.
7. the multi-computer communication method of a static reacance generator/Parallel Operation of Active is characterized in that, described multi-computer communication method is applied to each described multi-machine communication system of the claims 1-6, and described multi-computer communication method comprises:
Every static reacance generator equipment or every Active Power Filter-APF equipment send the state information of self to the local area network (LAN) connection device;
Every static reacance generator equipment or every Active Power Filter-APF equipment receive the state information that other static reacance generator equipment or other Active Power Filter-APF equipment send by described local area network (LAN) connection device;
Every static reacance generator equipment or Active Power Filter-APF equipment are according to the state information of self and the state information of other static reacance generator equipment or other Active Power Filter-APF equipment, automatically total number of units of the static reacance generator equipment of the current parallel running of calculating or Active Power Filter-APF equipment and always idle is exported the offset current of self bearing.
8. multi-computer communication method according to claim 7 is characterized in that, also comprises before the step of the state information of local area network (LAN) connection device transmission self at described every static reacance generator equipment or every Active Power Filter-APF equipment:
By the human-computer interaction interface of every static reacance generator equipment or Active Power Filter-APF equipment, static reacance generator equipment or Active Power Filter-APF equipment are set to the parallel operation Diffuse Dimension model;
Configure the network interface information of every static reacance generator equipment or Active Power Filter-APF equipment;
With static reacance generator equipment parallel with one another or Active Power Filter-APF equipment difference access to LAN connection device.
9. multi-computer communication method according to claim 8 is characterized in that, described every static reacance generator equipment or every Active Power Filter-APF equipment are specially to the step that the local area network (LAN) connection device sends the state information of self:
Controller in every static reacance generator equipment or every the Active Power Filter-APF equipment sends the state information of self to the local area network (LAN) connection device.
10. multi-computer communication method according to claim 8, it is characterized in that, described every static reacance generator equipment or every Active Power Filter-APF equipment are specially by the step that described local area network (LAN) connection device receives the state information of other static reacance generator equipment or the transmission of other Active Power Filter-APF equipment:
Controller in every static reacance generator equipment or every the Active Power Filter-APF equipment receives the state information that other static reacance generator equipment or other Active Power Filter-APF equipment send by described local area network (LAN) connection device.
11. multi-computer communication method according to claim 8, it is characterized in that, described every static reacance generator equipment or Active Power Filter-APF equipment are according to the state information of self and the state information of other static reacance generator equipment or other Active Power Filter-APF equipment, the static reacance generator equipment of the current parallel running of automatic calculating or total number of units of Active Power Filter-APF equipment and always idle, the step of exporting the offset current of self bearing is specially:
Controller in every static reacance generator equipment or the Active Power Filter-APF equipment is set up the parameter list that comprises tractor parameter, networking parameter and control parameter according to self state information and the state information that sends of other static reacance generator equipment or Active Power Filter-APF equipment;
Controller in every static reacance generator equipment or the Active Power Filter-APF equipment is according to the parameter list statistics of setting up and calculate separately diverting coefficient, and calculates the total idle and harmonic current that will compensate according to the system voltage that detects, current signal;
Controller in every static reacance generator equipment or the Active Power Filter-APF equipment will be total after idle and harmonic current multiply by diverting coefficient, exports the current-order that self need to compensate;
Power model in every static reacance generator equipment or the Active Power Filter-APF equipment, start module and linked reactor module according to the current-order output offset current of the needs compensation of controller output.
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| CN103311934B (en) | 2016-09-07 |
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