CN109038596A - Region reactive voltage control method for coordinating and device - Google Patents

Region reactive voltage control method for coordinating and device Download PDF

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Publication number
CN109038596A
CN109038596A CN201810802533.XA CN201810802533A CN109038596A CN 109038596 A CN109038596 A CN 109038596A CN 201810802533 A CN201810802533 A CN 201810802533A CN 109038596 A CN109038596 A CN 109038596A
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China
Prior art keywords
voltage
reactive
virtual synchronous
power
synchronous generator
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CN201810802533.XA
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Chinese (zh)
Inventor
尹航
周育桢
雷宪章
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Global Energy Interconnection Research Institute Europe GmbH
State Grid Corp of China SGCC
Global Energy Interconnection Research Institute
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
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State Grid Corp of China SGCC
Global Energy Interconnection Research Institute
European Institute For Global Energy Internet
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Application filed by State Grid Corp of China SGCC, Global Energy Interconnection Research Institute, European Institute For Global Energy Internet filed Critical State Grid Corp of China SGCC
Priority to CN201810802533.XA priority Critical patent/CN109038596A/en
Publication of CN109038596A publication Critical patent/CN109038596A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/16Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention discloses a kind of region reactive voltage control method for coordinating, device, terminal and storage mediums, and wherein method includes: the voltage signal for obtaining more virtual synchronous generators;It is that every virtual synchronous generator distributes reactive power according to the voltage signal of every virtual synchronous generator.The voltage deviation signal △ U for the VSG being connected to the grid according to everyk, in conjunction with the voltage deviation of VSG other in power grid, reactive power Q is carried out to every VSGkrefCoordinated allocation, it is the solution proposed for the reactive power assignment problem based on the big system of power electronics novel electric power, multivariable, trans-regional more grid-connected virtual synchronous machines, thus the previous local defect for controlling local information sharing difficulty is overcome, consider that the system mode of neighboring area carries out decentralized coordinated control, obtain the operation reserve of each VSG, it realizes from part to whole synthetic operation, it avoids locally supplied power source from generating failure since output power is too high or too low, improves the safety and stability of electric system.

Description

Region reactive voltage control method for coordinating and device
Technical field
The present invention relates to technical field of electric power, and in particular to a kind of region reactive voltage control method for coordinating, device, terminal And storage medium.
Background technique
In traditional generation mode, fossil energy as the energy being widely used, send out by synchronous by driving rotation Motor issues electric energy and then is connected to the grid system for users to use.And distributed energy is being incorporated to big network system or micro- electricity When in net, usually accessed by the inversion interface of power electronics.A large amount of distributed generation resource is linked into after distribution net side, Due to its enormous amount, physics and electrical distance dispersion will certainly be to safe and stable, the high-quality and efficient operations of distribution net side Bring tremendous influence.Relative to traditional synchronous generator, the sound of the distributed generation resource based on electronic power inverter interface The rotatory inertia and damping component answered speed very fast, and itself there is no synchronous generator intrinsic, when being connect in electric system When distributed generation resource as entering is excessive, the safe and stable operation of electric system is inherently threatened.
Parallel running is still for virtual synchronous generator (Virtual Synchronous Generator, referred to as VSG) at present Based on the fixed sagging mechanism of conventional synchronization generator, without communication, but there is a problem of the shared difficulty of local message, so Global information will be caused to obtain inconvenient, it is difficult to realize well interacting between VSG and power grid and synthetic operation.
Existing VSG stability contorting mainly pays close attention to the operation stability of single VSG from mechanical floor, less to consider from system perspective Stable problem.After VSG accesses power grid, though inertial supports can be provided to system, the kinetic characteristics of system are also changed simultaneously, And its degree of coupling with system is enhanced, so that system stability contorting is increasingly complex.Distributed generation resource is with VSG normalized form After accessing power grid, though energy exchange can be carried out with power grid, and the ancillary services such as inertia, peak-frequency regulation is provided for system, be The topological structure of system is after increasing number, the problem of equally existing difficult management.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of region reactive voltage control method for coordinating, device, terminal and depositing Storage media, it is excessive to solve distributed generation resource of the access of electric system in the prior art based on electronic power inverter interface, certain The problem of a power supply can threaten the safe and stable operation of electric system when breaking down.
According in a first aspect, the embodiment of the invention provides a kind of region reactive voltage control method for coordinating, comprising:
Obtain the voltage signal of more virtual synchronous generators;
It is that every virtual synchronous generator distributes reactive power according to the voltage signal of every virtual synchronous generator.
Optionally, the voltage signal for obtaining more virtual synchronous generators includes: to obtain every virtual synchronous generator First output voltage,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control Coefficient, QrefFor reactive power reference qref, E1=Es-DqQ is system primary voltage governing equation,For nothing Function integration control equation.
Optionally, the voltage signal of more virtual synchronous generators is obtained further include: obtain every virtual synchronous generator The second output voltage,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control Coefficient, QrefFor reactive power reference qref, KvProportionality coefficient, U are controlled for voltagerefFor grid voltage reference value, U is network voltage Actual value.
According to second aspect, the embodiment of the invention provides a kind of region reactive voltage cooperative control devices, comprising:
First obtains module, for obtaining the voltage signal of more virtual synchronous generators;
Distribution module, for being every virtual synchronous generator distribution according to the voltage signal of every virtual synchronous generator Reactive power.
Optionally, the first acquisition module is also used to obtain first output voltage of every virtual synchronous generator,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control Coefficient, QrefFor reactive power reference qref, E1=Es-DqQ is system primary voltage governing equation,For nothing Function integration control equation.
Optionally, the first acquisition module is also used to obtain second output voltage of every virtual synchronous generator,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control Coefficient, QrefFor reactive power reference qref, KvProportionality coefficient, U are controlled for voltagerefFor grid voltage reference value, U is network voltage Actual value.
According to the third aspect, the embodiment of the invention provides a kind of region reactive voltage coordinated control terminals, comprising: at least One processor;And the memory being connect at least one processor communication;Wherein, memory, which is stored with, to be handled by one The instruction that device executes, instruction are executed by least one processor, are appointed so that at least one processor executes in above-mentioned first aspect One region reactive voltage control method for coordinating.
According to fourth aspect, the embodiment of the invention provides a kind of computer readable storage medium, computer-readable storage Media storage has computer instruction, and computer instruction is for making computer execute the idle electricity in region any in above-mentioned first aspect Press control method for coordinating.
According to the 5th aspect, the embodiment of the invention provides a kind of computer program product, the computer program product Including the computer program being stored on computer readable storage medium, the computer program includes program instruction, when described When program instruction is computer-executed, the computer is made to execute any one embodiment of first aspect or first aspect Described in region reactive voltage control method for coordinating.
A kind of region reactive voltage control method for coordinating and device of the embodiment of the present invention, have the following advantages:
1. a kind of region reactive voltage control method for coordinating, device, terminal and storage medium provided in an embodiment of the present invention, Wherein method includes: the voltage signal for obtaining more virtual synchronous generators;According to the voltage of every virtual synchronous generator letter Number reactive power is distributed for every virtual synchronous generator.△UkFor the output voltage of VSG and the difference of voltage rating;According to every The voltage deviation signal △ U of platform VSGk, in conjunction with voltage deviation (the △ U of VSG other in power grid1, △ U2..., △ Uk-1), to being incorporated to Every VSG of power grid carries out reactive power QkrefCoordinated allocation, be for based on the big system of power electronics novel electric power, changeable Amount, the solution that is proposed of reactive power assignment problem of trans-regional more grid-connected virtual synchronous machines, thus overcome with Toward the local defect for controlling local information sharing difficulty, considers that the system mode of neighboring area carries out decentralized coordinated control, obtain The operation reserve of each VSG is realized from part to whole synthetic operation, avoids locally supplied power source too high or too low due to output power And failure is generated, improve the safety and stability of electric system.
2. a kind of region reactive voltage control method for coordinating, device, terminal and storage medium provided in an embodiment of the present invention, Wherein method further include: the first output voltage of every virtual synchronous generator is obtained,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control Coefficient, QrefFor reactive power reference qref, E1=Es-DqQ is system primary voltage governing equation,For nothing Function integration control equation.There are linear relationships with reactive power output valve Q by VSG output voltage E, therefore, to VSG output voltage E Size carry out control and can change the size of reactive power output valve Q.By the output electricity for controlling the virtual synchronous generator Pressure E adjusts the set end voltage and reactive power of the virtual synchronous generator, wherein set end voltage and reactive power size according to Distribution is rationally arranged in the VSG operating condition in power grid and/or the region;Similarly, the virtual synchronous generator grid-connected to other Reactive power distribution is carried out using aforesaid way, the stability of operation of power networks is improved from system level.
3. a kind of region reactive voltage control method for coordinating, device, terminal and storage medium provided in an embodiment of the present invention, Wherein method further include: the second output voltage of every virtual synchronous generator is obtained,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control Coefficient, QrefFor reactive power reference qref, KvProportionality coefficient, U are controlled for voltagerefFor grid voltage reference value, U is network voltage Actual value.ΔUk=Uref- U sets UrefFor the load voltage value of VSG.It has increased voltage control loop section newly, nothing can be adjusted simultaneously Function power and network voltage simplify the process of reactive power and network voltage distribution.
Detailed description of the invention
The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, and attached drawing is schematically without that should manage Solution is carries out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 is a kind of flow chart of region reactive voltage control method for coordinating in the embodiment of the present invention;
Fig. 2 is a kind of system construction drawing of region reactive voltage coordinated control in the embodiment of the present invention;
Fig. 3 is a kind of functional block diagram of region reactive voltage control method for coordinating in the embodiment of the present invention;
Fig. 4 is the functional block diagram of another region reactive voltage control method for coordinating in the embodiment of the present invention;
Fig. 5 is a kind of trans-regional virtual synchronous generator of region reactive voltage cooperative control device in the embodiment of the present invention Interconnection architecture figure;
Fig. 6 is a kind of structural schematic diagram of region reactive voltage cooperative control device in the embodiment of the present invention;
Fig. 7 is a kind of structural schematic diagram of region reactive voltage coordinated control terminal in the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not having Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of region reactive voltage control method for coordinating, comprising:
Step S1 obtains the voltage signal of more virtual synchronous generators.
In the present embodiment, as shown in Fig. 2, trans-regional more virtual synchronous generators are connected to the grid simultaneously, by every VSG Voltage signal be passed to Communication Layer.Wherein voltage signal includes no-load emf, voltage rating and output voltage signal of VSG etc..
Step S2 is that every virtual synchronous generator distributes idle function according to the voltage signal of every virtual synchronous generator Rate.
In the present embodiment, △ UkFor the output voltage of VSG and the difference of voltage rating, as shown in Fig. 2, according to every The voltage deviation signal △ U of VSGk, in conjunction with voltage deviation (the △ U of VSG other in power grid1, △ U2..., △ Uk-1), to being incorporated to electricity Every VSG of net carries out reactive power QkrefCoordinated allocation, be for based on the big system of power electronics novel electric power, changeable Amount, the solution that is proposed of reactive power assignment problem of trans-regional more grid-connected virtual synchronous machines, thus overcome with Toward the local defect for controlling local information sharing difficulty, considers that the system mode of neighboring area carries out decentralized coordinated control, obtain The operation reserve of each VSG realizes from part to whole synthetic operation, avoids being abnormal due to some power supply of region, each point Cloth power supply influences between each other and leads to electric network fault, improves the safety and stability of electric system.
As optional embodiment, step S1 includes the first output electricity for obtaining every virtual synchronous generator Pressure,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control Coefficient, QrefFor reactive power reference qref, E1=Es-DqQ is system primary voltage governing equation,For nothing Function integration control equation.
In the present embodiment,For with droop characteristic virtual synchronous machine reactive voltage Governing equation, wherein EsInverter zero load off-grid operation is characterized similar to the floating voltage of synchronous motor for floating voltage When output end voltage.As shown in Figure 3, it can be seen that VSG output voltage E and reactive power output valve Q there are linear relationship, because This, controls the size of VSG output voltage E the size that can change reactive power output valve Q.It is virtual same by controlling this The output voltage E of generator is walked to adjust the set end voltage and reactive power of the virtual synchronous generator, wherein set end voltage and Distribution is rationally arranged according to the VSG operating condition of power grid entirety and/or the region in reactive power;Similarly, grid-connected to other Virtual synchronous generator also uses aforesaid way to carry out reactive voltage distribution, and the stabilization of operation of power networks is improved from system level Property.
As optional embodiment, step S1 further includes the second output electricity for obtaining every virtual synchronous generator Pressure,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control Coefficient, QrefFor reactive power reference qref, KvProportionality coefficient, U are controlled for voltagerefFor grid voltage reference value, U is network voltage Actual value.
In the present embodiment, Δ Uk=Uref- U sets UrefFor the load voltage value of VSG.Control virtual synchronous generator The second output voltage circuit as shown in figure 4, having increased voltage control loop section newly, which is equivalent to synchronous generator The output of the field regulator or automatic voltage regulator (Automatic Voltage Regulator, AVR) of machine, Neng Goutong When adjust reactive power and network voltage, simplify the process of reactive power and network voltage distribution.
In a particular embodiment, the controller that can disperse to existing network system improve optimization, or directly with The form of control module is applied individually to any in electric system.Specifically, Holistic modeling first is carried out to network system;To system entirety Model is split, decoupling is handled;Controller is designed for Topical Dispersion system;The grid-connected end voltage of real-time monitoring, to virtual same Step machine reactive power carries out online updating, so that system voltage be kept to stablize.As shown in figure 5, the VSG and its correspondence of area distribution Local controller, establish correspondence, the reactive power of each VSG of coordinated control between each controller.By communicating hand Section, realizes the identification of set end voltage, and in conjunction with the influence on system operation of periphery VSG, reactive power reference is distributed to after being computed optimization Every virtual synchronous machine, makes better co-ordination between each, improves Network Voltage Stability, enhancing grid stability and reliable Property, while there is the variation to system parameter and the method for operation to have very strong adaptivity.
On this basis, the non-linear and dynamic characteristics such as uncertain of system be may also be combined with, and utilize VSG control ginseng The flexible adjustable feature of number, design stability controller is to improve system control operation stability.For this purpose, each VSG can be pressed by region Range, amount of capacity carry out clustering, are divided into frequency modulation type VSG unit and non-frequency modulation type VSG unit, using centralized management, divide Autonomous strategy is dissipated to be managed.In addition, each VSG can be also considered as to transaction agent, and according to generating capacity, inertia levels, city Field price etc. is established VSG multi-agent Game model and distribution of interests rule, to realize each main body maximizing the benefits, is realized simultaneously The efficient management of whole system.
And in research from now on, specific control method in addition to need to further improve VSG, such as unbalance control, grid-connected The control methods such as presynchronization control, parallel connection circulation inhibition, also need to study the coordination control strategy between more VSG.Feasible thinking it First is that use for reference micro-capacitance sensor operation control in act on behalf of distributed theory, VSG synthetic operation problem is changed into distributed AC servo system Problem, and then from the distributed nature of VSG, propose VSG distribution operation control framework.In addition, also needing in research system Operation problem under local restriction and global constraints, and use distributed optimization, quantum genetic algorithm, game theory etc. Method is analyzed and is solved, and to obtain the operation reserve of each VSG, is realized from part to whole synthetic operation.
Second aspect of the embodiment of the present invention also provides a kind of region reactive voltage cooperative control device, the device for realizing Above-described embodiment and preferred embodiment, the descriptions that have already been made will not be repeated.As used below, term " module " can To realize the combination of the software and/or hardware of predetermined function.Although system described in following embodiment is preferably come with software It realizes, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.
As shown in fig. 6, the device includes: the first acquisition module 1, the voltage for obtaining more virtual synchronous generators is believed Number;Distribution module 2 is used to be that every virtual synchronous generator distribution is idle according to the voltage signal of every virtual synchronous generator Power.
The further function description of above-mentioned modules is identical as above-mentioned corresponding embodiment, repeats no more again.
Fig. 7 is a kind of structural schematic diagram of region reactive voltage coordinated control terminal provided in an embodiment of the present invention, comprising: At least one processor 71;And the memory 72 with the communication connection of at least one processor 71;Wherein, memory 72 is stored with The instruction that can be executed by a processor 71, instruction is executed by least one processor 71, so that at least one processor 71 is held Any region reactive voltage control method for coordinating in row above-described embodiment.As shown in fig. 7, processor 71 and memory 72 can be with It is connected by bus or other modes, in Fig. 7 for being connected by bus.
Processor 71 can be central processing unit (Central Processing Unit, CPU).Processor 71 can be with For other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field- Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, The combination of the chips such as discrete hardware components or above-mentioned all kinds of chips.
Memory 72 may include storing program area and storage data area, wherein storing program area can storage program area, Application program required at least one function;It storage data area can the data etc. that are created of storage processor 71.In addition, storage Device 72 may include high-speed random access memory, can also include non-transient memory, for example, at least a magnetic disk storage Part, flush memory device or other non-transient solid-state memories.In some embodiments, it includes relative to place that memory 72 is optional The remotely located memory of device 71 is managed, these remote memories can pass through network connection to processor 71.The reality of above-mentioned network Example includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
One or more of modules are stored in the memory 72, when being executed by the processor 71, are executed Region reactive voltage control method for coordinating in embodiment as shown in Figure 1.
Above-mentioned zone reactive voltage coordinated control terminal detail can correspond to embodiment referring to FIG. 1 to 5 In corresponding associated description and effect understood that details are not described herein again.
The embodiment of the invention also provides a kind of computer readable storage medium, computer-readable recording medium storage has meter The instruction of calculation machine, the region reactive voltage control method for coordinating that computer instruction is used to that computer to be made to execute above-mentioned any embodiment.
It is that can lead to it will be understood by those skilled in the art that realizing all or part of the process in above-described embodiment method Computer program is crossed to instruct relevant hardware and complete, the program can be stored in a computer-readable storage medium In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can for magnetic disk, CD, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), flash memory (Flash Memory), hard disk (Hard Disk Drive, abbreviation: HDD) or solid state hard disk (Solid-State Drive, SSD) etc.;The storage medium can also include the combination of the memory of mentioned kind.
Although being described in conjunction with the accompanying the embodiment of the present invention, those skilled in the art can not depart from the present invention Spirit and scope in the case where various modifications and variations can be made, such modifications and variations are each fallen within by appended claims institute Within the scope of restriction.

Claims (8)

1. a kind of region reactive voltage control method for coordinating characterized by comprising
Obtain the voltage signal of more virtual synchronous generators;
It is that every virtual synchronous generator distributes reactive power according to the voltage signal of virtual synchronous generator described in every.
2. control method for coordinating according to claim 1, which is characterized in that described more virtual synchronous generators of acquisition Voltage signal includes: the first output voltage for obtaining every virtual synchronous generator,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control coefficient, QrefFor reactive power reference qref, E1=Es-DqQ is system primary voltage governing equation,For idle integral Governing equation.
3. control method for coordinating according to claim 1, which is characterized in that described more virtual synchronous generators of acquisition Voltage signal further include: the second output voltage of every virtual synchronous generator is obtained,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control coefficient, QrefFor reactive power reference qref, KvProportionality coefficient, U are controlled for voltagerefFor grid voltage reference value, U is that network voltage is practical Value.
4. a kind of reactive voltage cooperative control device characterized by comprising
First obtains module, for obtaining the voltage signal of more virtual synchronous generators;
Distribution module, for being every virtual synchronous generator according to the voltage signal of virtual synchronous generator described in every Distribute reactive power.
5. cooperative control device according to claim 4, which is characterized in that the first acquisition module is also used to obtain often First output voltage of virtual synchronous generator described in platform,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control coefficient, QrefFor reactive power reference qref, E1=Es-DqQ is system primary voltage governing equation,For idle integral Governing equation.
6. cooperative control device according to claim 4, which is characterized in that the first acquisition module is also used to obtain often Second output voltage of virtual synchronous generator described in platform,
Wherein, EsFor floating voltage, DqFor the sagging coefficient of reactive voltage, Q is reactive power output valve, KQFor Reactive-power control coefficient, QrefFor reactive power reference qref, KvProportionality coefficient, U are controlled for voltagerefFor grid voltage reference value, U is that network voltage is practical Value.
7. a kind of region reactive voltage coordinated control terminal characterized by comprising at least one processor;And with it is described The memory of at least one processor communication connection;Wherein, the memory is stored with and can be executed by one processor Instruction, described instruction are executed by least one described processor, so that at least one described processor executes the claims Any region reactive voltage control method for coordinating in 1-3.
8. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to It enables, the computer instruction is used to make the computer perform claim that any region reactive voltage of 1-3 be required to coordinate control Method processed.
CN201810802533.XA 2018-07-20 2018-07-20 Region reactive voltage control method for coordinating and device Pending CN109038596A (en)

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