CN104538972B - A kind of reactive compensation configuration method and device based on transient voltage stability constraint - Google Patents

A kind of reactive compensation configuration method and device based on transient voltage stability constraint Download PDF

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Publication number
CN104538972B
CN104538972B CN201410764581.6A CN201410764581A CN104538972B CN 104538972 B CN104538972 B CN 104538972B CN 201410764581 A CN201410764581 A CN 201410764581A CN 104538972 B CN104538972 B CN 104538972B
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reactive
load compensation
failure
voltage stability
circuit
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CN104538972A (en
Inventor
罗红梅
赵利军
唐晓骏
周宗川
张鑫
董晓晶
李晶
党东升
申旭辉
赵利宁
李晓珺
赵亮
李媛媛
吉平
陈湘
李惠玲
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China Electric Power Research Institute Co Ltd CEPRI
Economic and Technological Research Institute of State Grid Ningxia Electric Power Co Ltd
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China Electric Power Research Institute Co Ltd CEPRI
Economic and Technological Research Institute of State Grid Ningxia Electric Power Co Ltd
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    • 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

Abstract

The embodiment of the present invention provides a kind of reactive compensation configuration method and device based on transient voltage stability constraint, and methods described includes:The research level year mode data that acquisition is built;Reactive layered partition balancing analysis is carried out to the research level the built year mode data, it is target in prescribed limit to control 220kV and above main transformer bet power factor and each voltage class busbar voltage, determines the preliminary parameters allocation plan of reactive-load compensation;Preliminary parameters allocation plan to the reactive-load compensation carries out Transient Voltage Stability check, is target there is no Voltage Instability accident, further the parameter configuration scheme of amendment reactive-load compensation;DC Line Fault is carried out to the parameter configuration scheme of revised reactive-load compensation and new energy is sent out circuit catastrophe failure and checked, be target there is no Voltage Instability accident, further amendment reactive-load compensation allocation plan, obtains the parameter configuration scheme of final reactive-load compensation.Propose rational reactive-load compensation allocation plan.

Description

A kind of reactive compensation configuration method and device based on transient voltage stability constraint
Technical field
The present invention relates to field of power, and in particular to a kind of reactive-load compensation configuration based on transient voltage stability constraint Method and apparatus.
Background technology
Ensure power network safety operation on the basis of, be improve operation of power networks economic benefit, reduce active loss and Investment, improves the quality of power supply, it is necessary to reasonably configure reactive power compensator, and rationally control its switching, strives for " idle electricity The target of force stratification partition balancing ".Reactive power is not enough or uneven, on the one hand causes system voltage to reduce, and the stabilization of power grids is special Property is on the hazard, and may induce the catastrophe failures such as collapse of voltage;On the other hand equipment inherently safe may be endangered, and cause need not The investment waste wanted.
At present, reactive compensation configuration method can be summarized as two major class methods substantially:
(1) according to associated voltage var directive/guide and design discipline, transformer rated capacity is can refer to according to certain ratio Example configuration reactive-load compensation equipment;Such as《Power system voltage and var fire protection technology》Regulation " 220kV and following voltage class Electric substation in, should as needed configure reactive-load compensation equipment, its capacity can be true by the 0.10~0.30 of main transformer capacity It is fixed ";The advantage of this method is simply clear and definite physical significance, and index is clear, it is easy to operated, and is current reactive-load compensation planning Common method;The shortcoming of the method is to carry out reactive-load compensation configuration with simple ratio index, it is difficult to reflect that power network is actually idle Compensation demand, the reactive-load compensation configuration capacity for obtaining is relatively large, slightly has investment waste in engineering;
(2) relatively accurately to obtain reactive-load compensation configuration, various Reactive Power Optimization Algorithm for Tower have obtained tremendous expansion.It is idle excellent Change problem is a multivariable, the mixing nonlinear programming problem of multiple constraint, its control variables existing continuous variable such as generator Set end voltage, there is discrete variable such as capacitor/reactor switching, load tap changer adjustment etc., the convergence of its numerical solution again Reliability and calculating speed are the keys that can it practical.But, the continuous expansion of interconnected electric power system scale and voltage etc. The continuous lifting of level, after particularly extra-high voltage bulk power grid puts into operation, power network covering region is vast, and interstitial content is numerous, idle work optimization There is the dimension disasters such as low memory, convergence rate in traditional algorithm and intelligent algorithm, and be difficult to seek it is global most Excellent solution.Such algorithm is remained in some problems on practical implementation.
Additionally, with the continuous expansion of power network scale and transmission line capability, and New Technologies of Electric Power Transmission a large amount of uses, it is such as big The use of scale power electronic devices and the development of Survey of Flexible AC Transmission System Technology (FACTS) so that the control shape of unit and system State is increasingly sophisticated, and many new stability problems are also just following.The several typical electricity occurred in external big interacted system Pressure collapsibility accident gives us deep warning.Scholars to collapse of voltage sexual behavior thus mechanism do it is further explore and Research, the constraint of voltage stability is considered from the planning stage, improves reactive-load compensation configuration, it is established that more perfect voltage stability Appraisement system and preventive measure, are the important means for preventing collapse of voltage risk.
The content of the invention
The embodiment of the present invention provides a kind of reactive compensation configuration method and device based on transient voltage stability constraint, to carry Go out a kind of rational reactive-load compensation allocation plan.
On the one hand, a kind of reactive compensation configuration method based on transient voltage stability constraint is the embodiment of the invention provides, Methods described includes:
The research level year mode data that acquisition is built;
Reactive layered partition balancing analysis is carried out to the research level the built year mode data, with control 220kV and Above main transformer bet power factor and each voltage class busbar voltage are target in prescribed limit, determine reactive-load compensation Preliminary parameters allocation plan;
Preliminary parameters allocation plan to the reactive-load compensation carries out Transient Voltage Stability check, there is no Voltage Instability Accident is target, further the parameter configuration scheme of amendment reactive-load compensation;
DC Line Fault is carried out to the parameter configuration scheme of revised reactive-load compensation and new energy sends out circuit catastrophe failure Check, be target there is no Voltage Instability accident, further amendment reactive-load compensation allocation plan, obtain final reactive-load compensation Parameter configuration scheme.
On the other hand, the embodiment of the invention provides a kind of reactive-load compensation configuration dress based on transient voltage stability constraint Put, described device includes:
Acquiring unit, for obtaining the research level built year mode data;
Reactive layered partition balancing analytic unit, for carrying out idle point to the research level the built year mode data Layer partition balancing analysis, to control 220kV and above main transformer bet power factor and each voltage class busbar voltage in rule It is target to determine in scope, determines the preliminary parameters allocation plan of reactive-load compensation;
Transient Voltage Stability checks unit, and transient voltage is carried out for the preliminary parameters allocation plan to the reactive-load compensation Stability check, is target there is no Voltage Instability accident, further the parameter configuration scheme of amendment reactive-load compensation;
DC Line Fault and new energy send out circuit and check unit, for the parameter configuration scheme to revised reactive-load compensation Carry out DC Line Fault and new energy is sent out circuit catastrophe failure and checked, be target there is no Voltage Instability accident, further repair Positive reactive-load compensation allocation plan, obtains the parameter configuration scheme of final reactive-load compensation.
Above-mentioned technical proposal has the advantages that:For power system reactive power compensation collocation method present situation and problem, Propose a kind of extensive new energy of consideration and access the reactive compensation configuration method that many direct currents send feature outside, by reactive balance point The complex optimum that analysis and Transient Voltage Stability are checked, proposes rational reactive-load compensation allocation plan.Can be improved using the present invention The accuracy and validity of reactive compensation configuration method, it is to avoid unnecessary investment, reduce and waste, while improve power network resistance The ability of Voltage Instability risk, improves electricity net safety stable high-efficiency and economic operation level.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of reactive compensation configuration method flow chart based on transient voltage stability constraint of the embodiment of the present invention;
Fig. 2 is a kind of reactive-load compensation configuration device structural representation based on transient voltage stability constraint of the embodiment of the present invention Figure;
Fig. 3 is the Ningxia power forcasted years trend schematic diagram during application example of the present invention is calculated;
Fig. 4 is that application example of the present invention considers that extensive new energy accesses many direct currents and sends feature outside based on Transient Voltage Stability The flow chart of the reactive compensation configuration method of constraint.
Specific embodiment
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 clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, being a kind of reactive compensation configuration method stream based on transient voltage stability constraint of the embodiment of the present invention Cheng Tu, methods described includes:
101st, the research level year mode data built are obtained;
102nd, reactive layered partition balancing analysis is carried out to the research level the built year mode data, to control 220kV and above main transformer bet power factor and each voltage class busbar voltage are target in prescribed limit, it is determined that nothing The preliminary parameters allocation plan of work(compensation;
103rd, the preliminary parameters allocation plan to the reactive-load compensation carries out Transient Voltage Stability check, there is no voltage Unstability accident is target, further the parameter configuration scheme of amendment reactive-load compensation;
104th, DC Line Fault is carried out to the parameter configuration scheme of revised reactive-load compensation and new energy submitting circuit is serious Failure is checked, and is target there is no Voltage Instability accident, further amendment reactive-load compensation allocation plan, obtains final idle The parameter configuration scheme of compensation.
Preferably, it is described with control 220kV and the above main transformer bet power factor and each voltage class busbar voltage It is target in prescribed limit, determines the preliminary parameters allocation plan of reactive-load compensation, including:With 220kV and above main transformer Bet power factor is not less than 0.95 for target, transformer reactive compensation capacity is configured, to determine the preliminary of the reactive-load compensation Parameter configuration scheme.
Preferably, the preliminary parameters allocation plan to the reactive-load compensation carries out Transient Voltage Stability check, with not There is Voltage Instability accident for target, it is necessary to the fault set for considering includes:Circuit three forever N-1 and/or N-2 failures to voltage stabilization Property influence failure.
Preferably, the parameter configuration scheme to revised reactive-load compensation carries out DC Line Fault and new energy sends out line Road catastrophe failure is checked, there is no Voltage Instability accident as target, it is necessary to the fault set for considering includes:Direct current monopole and/or Bipolar locking failure and new energy send out the failure that circuit catastrophe failure influences on voltage stability.
Preferably, the new energy is sent out circuit catastrophe failure and is included:New energy sends out circuit N-3 and/or N-4 failure pair The failure of voltage stability influence.
As shown in Fig. 2 being a kind of reactive-load compensation configuration device knot based on transient voltage stability constraint of the embodiment of the present invention Structure schematic diagram, described device includes:
Acquiring unit 21, for obtaining the research level built year mode data;
Reactive layered partition balancing analytic unit 22, it is idle for being carried out to the research level the built year mode data Hierarchical and regional balance is analyzed, to control 220kV and above main transformer bet power factor and each voltage class busbar voltage to exist It is target in prescribed limit, determines the preliminary parameters allocation plan of reactive-load compensation;
Transient Voltage Stability checks unit 23, and transient state electricity is carried out for the preliminary parameters allocation plan to the reactive-load compensation Pressure stability check, is target there is no Voltage Instability accident, further the parameter configuration scheme of amendment reactive-load compensation;
DC Line Fault and new energy send out circuit and check unit 24, for the parameter configuration side to revised reactive-load compensation Case carries out DC Line Fault and new energy is sent out circuit catastrophe failure and checked, and is target there is no Voltage Instability accident, further Amendment reactive-load compensation allocation plan, obtains the parameter configuration scheme of final reactive-load compensation.
Preferably, the reactive layered partition balancing analytic unit 22, is further used for 220kV and above main transformer Bet power factor is not less than 0.95 for target, transformer reactive compensation capacity is configured, to determine the preliminary of the reactive-load compensation Parameter configuration scheme.
Preferably, the Transient Voltage Stability checks unit 23, is further used for the preliminary parameters to the reactive-load compensation Allocation plan carries out Transient Voltage Stability check, there is no Voltage Instability accident as target, it is necessary to the fault set for considering includes: The failure that N-1 and/or N-2 failures influence on voltage stability forever of circuit three.
Preferably, the DC Line Fault and new energy send out circuit and check unit 24, are further used for revised nothing The parameter configuration scheme of work(compensation carries out DC Line Fault and new energy is sent out circuit catastrophe failure and checked, there is no Voltage Instability Accident is target, it is necessary to the fault set for considering includes:It is serious that direct current monopole and/or bipolar locking failure and new energy send out circuit The failure that failure influences on voltage stability.
Preferably, the new energy is sent out circuit catastrophe failure and is included:New energy sends out circuit N-3 and/or N-4 failure pair The failure of voltage stability influence.
Embodiment of the present invention above-mentioned technical proposal has the advantages that:For power system reactive power compensation collocation method Present situation and problem, it is proposed that a kind of extensive new energy of consideration accesses the reactive compensation configuration method that many direct currents send feature outside, leads to The complex optimum that analysis of reactive power balance and Transient Voltage Stability are checked is crossed, rational reactive-load compensation allocation plan is proposed.Using this Invention can improve the accuracy and validity of reactive compensation configuration method, it is to avoid unnecessary investment, reduce and waste, while carrying Power network high resists the ability of Voltage Instability risk, improves electricity net safety stable high-efficiency and economic operation level.
Embodiment of the present invention above-mentioned technical proposal is described in detail below by way of application example:
As shown in figure 3, the Ningxia power forcasted years trend schematic diagram in being calculated for application example of the present invention;Such as Fig. 4 institutes Show, be that application example of the present invention considers that extensive new energy accesses many direct currents and sends the nothing that feature is based on transient voltage stability constraint outside Work(compensates the flow chart of collocation method, and the method comprises the following steps:
(1) research level year mode data are built, as the basis of research;
(2) reactive layered partition balancing analysis is carried out to basal profile, by controlling time variant voltage reactive compensation switching, progressively Control 220kV and above main transformer bet power factor are not less than 0.95, while each voltage class busbar voltage should be controlled to exist In prescribed limit, so that it is determined that the preliminary allocation plan of capacitive reactive power compensation and inductive reactive power compensation;
(3) on the basis of capacitive reactive power compensation configuration, Transient Voltage Stability check, simulated failure are carried out to basal profile Impact condition issues the risk of raw Voltage Instability accident, assesses capacitive, the validity of inductive reactive power compensation allocation plan, research Failure mode influences larger failure including circuit three forever N-1/N-2 failures etc. on voltage stability;If under above-mentioned fault set, There is no Voltage Instability accident in system, then approve this capacitive, inductive reactive power compensation allocation plan;If generation Voltage Instability accident, Then adjustment capacitive, inductive reactive power compensation check its Transient Voltage Stability level, until there is no Voltage Instability thing again with postponing Therefore untill;
(4) in (2) and) on the basis of (3), DC Line Fault is carried out to basal profile and new energy sends out circuit catastrophe failure Voltage stabilization is checked, and simulated failure impact condition issues the risk of raw Voltage Instability accident, and assessment capacitive, inductive reactive power compensation are matched somebody with somebody The validity of scheme is put, the failure mode of research includes that direct current monopolar/bipolar locking failure and new energy send out circuit N-3/N-4 Catastrophe failure etc. influences larger failure to voltage stability;If under above-mentioned fault set, there is no Voltage Instability accident in system, Then approve this capacitive, inductive reactive power compensation allocation plan;If generation Voltage Instability accident, adjustment capacitive, inductive reactive power compensation With postponing, its Transient Voltage Stability level is checked again, until there is no Voltage Instability accident untill;
(5) arrange and meet step (2), (3), the capacitive of (4) requirement, inductive reactive power compensation configuration simultaneously, as recommendation nothing Work(compensates allocation plan.
One optimal technical scheme of application example of the present invention is:A kind of extensive new energy of consideration accesses many direct currents Send the reactive compensation configuration method that feature is based on transient voltage stability constraint outside, it is characterised in that introduced such as in the step (2) Lower constraint:It is target with " 220kV and above main transformer bet power factor are not less than 0.95 ", configures transformer reactive compensation Capacity;
Another optimal technical scheme of application example of the present invention is:How straight a kind of extensive new energy of consideration access Stream sends the reactive compensation configuration method that feature is based on transient voltage stability constraint outside, it is characterised in that introduced in the step (3) Transient voltage stability constraint is, it is necessary to the fault set for considering includes:Circuit three forever N-1/N-2 failures etc. on voltage stability influence compared with Big failure;
Another optimal technical scheme of application example of the present invention is:How straight a kind of extensive new energy of consideration access Stream sends the reactive compensation configuration method that feature is based on transient voltage stability constraint outside, it is characterised in that introduced in the step (4) DC Line Fault and new energy send out the scleronomic constraint of circuit catastrophe failure, it is necessary to the fault set for considering includes:The event of direct current monopolar/bipolar Barrier and new energy send out circuit N-3/N-4 catastrophe failures etc. influences larger failure to voltage stability.
As shown in figure 3, the Ningxia power forcasted years trend schematic diagram in being calculated for application example of the present invention, with Ningxia electricity Net as a example by the research of certain forcasted years reactive-load compensation allocation plan, application example of the present invention is a kind of to consider that how straight extensive new energy access is Stream sends comprising the following steps that for reactive compensation configuration method of the feature based on transient voltage stability constraint outside:
(1) Ningxia power research level year typical way data, including the big load method data of typical case are built, as research Basis;Typical big load method trend schematic diagram is as shown in Figure 3;
(2) with reactive layered partition balancing as target, according to " 220kV and above main transformer bet power factor be not low In 0.95 " requirement, configuration capacitive, inductive reactive power compensation configuration tentative programme, under typical load mode main transformer bet work( Rate factor statistics is as shown in table 1;
Main transformer title Active bet (MW) Idle bet (Mvar) Q/P (%) Bet power factor
Yinchuan east #1 becomes 745 374 50% 0.89
Yinchuan east #2 becomes 770 392 51% 0.89
The Yellow River #1 becomes 719 511 71% 0.82
Main transformer title Active bet (MW) Idle bet (Mvar) Q/P (%) Bet power factor
Shahu Lake #1 becomes 210 287 137% 0.59
Shahu Lake #2 becomes 210 288 137% 0.59
Sun mountain #1 becomes 71 79 111% 0.67
Helan Mountain #1 becomes 154 301 195% 0.46
Helan Mountain #2 becomes 154 304 197% 0.45
Liu Pan Shan #1 becomes 588 447 76% 0.80
Shapotou #1 becomes 321 212 66% 0.83
Shapotou #2 becomes 317 210 66% 0.83
Table 1
(3) on the basis of capacitive, the inductive reactive power compensation allocation plan that (2) determine, Transient Voltage Stability check is carried out, is commented Estimate the reasonability of reactive-load compensation allocation plan and be modified perfect;
Table 2 is mode and N- after Ningxia power forcasted years normal mode, the N-1 failures obtained during present example is calculated Mode Transient Voltage Stability result of calculation table after 2 failures:
Table 2
(4) on the basis of capacitive, the inductive reactive power compensation allocation plan that (2), (3) determine, DC Line Fault and new energy are carried out Source is sent out circuit catastrophe failure voltage stabilization and is checked, and assesses the reasonability of reactive-load compensation allocation plan and is modified perfect;Meter Calculate result to show, system keeps stabilization in the case of most failures, and Voltage Instability accident does not occur, there is event under individual failure The relatively low problem of busbar voltage after barrier is, it is necessary to adjust reactive-load compensation allocation plan, specific regulating measures are shown in Table 3.
Table 3
Checked by above-mentioned analysis of reactive power balance and Transient Voltage Stability, it is proposed that adapt to the nothing of Ningxia power forcasted years Work(compensates allocation plan, can meet line voltage and flexibly control to require, improves voltage & var control ability, reduces investment, carries Rise the ability that power network resists Voltage Instability risk.The beneficial effect of application example of the present invention:Another optimization technique of the invention Scheme is:A kind of extensive new energy of consideration accesses many direct currents and sends the idle benefit that feature is based on transient voltage stability constraint outside Repay collocation method, it is characterised in that introduce transient voltage stability constraint in the step (3), it is necessary to the fault set for considering includes: N-1/N-2 failures etc. influence larger failure to circuit three on voltage stability forever.Routinely reactive-load compensation method is being configured in proportion On the basis of considered DC Line Fault and new energy and sent out circuit N-3/N-4 catastrophe failures and transient voltage stability constraint. Improve the accuracy and validity of reactive compensation configuration method, it is to avoid unnecessary investment, reduce and waste, while improve electricity The ability of net resistance Voltage Instability risk, improves electricity net safety stable high-efficiency and economic operation level.
Those skilled in the art will also be appreciated that the various illustrative components, blocks that the embodiment of the present invention is listed (illustrative logical block), unit, and step can be by the knot of electronic hardware, computer software, or both Conjunction is realized.To clearly show that the replaceability (interchangeability) of hardware and software, above-mentioned various explanations Property part (illustrative components), unit and step universally describe their function.Such work( It can be the design requirement for realizing depending on specific application and whole system by hardware or software.Those skilled in the art Can be for every kind of specific application, it is possible to use various methods realize described function, but this realization is understood not to Beyond the scope of embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or unit can by general processor, Digital signal processor, application specific integrated circuit (ASIC), field programmable gate array or other programmable logic devices, discrete gate Or the design of transistor logic, discrete hardware components, or any of the above described combination is come the function realized or described by operate.General place Reason device can be microprocessor, and alternatively, the general processor can also be any traditional processor, controller, microcontroller Device or state machine.Processor can also be realized by the combination of computing device, such as digital signal processor and microprocessor, Multi-microprocessor, one or more microprocessors combine a Digital Signal Processor Core, or any other like configuration To realize.
The step of method or algorithm described in the embodiment of the present invention can be directly embedded into hardware, computing device it is soft Part module or the combination of both.Software module can be stored in RAM memory, flash memory, ROM memory, EPROM storages Other any form of storage media in device, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area In.Exemplarily, storage medium can be connected with processor, to allow that processor reads information from storage medium, and Write information can be deposited to storage medium.Alternatively, storage medium can also be integrated into processor.Processor and storage medium can To be arranged in ASIC, ASIC can be arranged in user terminal.Alternatively, processor and storage medium can also be arranged at use In different part in the terminal of family.
In one or more exemplary designs, above-mentioned functions described by the embodiment of the present invention can be in hardware, soft Any combination of part, firmware or this three is realized.If realized in software, these functions can be stored and computer-readable On medium, or it is transmitted on the medium of computer-readable with one or more instructions or code form.Computer readable medium includes electricity Brain stores medium and is easy to so that allowing computer program to be transferred to other local telecommunication medias from a place.Storage medium can be with It is that any general or special computer can be with the useable medium of access.For example, such computer readable media can include but RAM, ROM, EEPROM, CD-ROM or other optical disc storages, disk storage or other magnetic storage devices are not limited to, or other are appointed What can be used for carrying or store with instruct or data structure and other can be by general or special computer or general or specially treated Device reads the medium of the program code of form.Additionally, any connection can be properly termed computer readable medium, example Such as, if software is by a coaxial cable, fiber optic cables, double from web-site, server or other remote resources Twisted wire, Digital Subscriber Line (DSL) or with the wireless way for transmitting such as example infrared, wireless and microwave be also contained in it is defined In computer readable medium.Described disk (disk) and disk (disc) include Zip disk, radium-shine disk, CD, DVD, floppy disk And Blu-ray Disc, disk is generally with magnetic duplication data, and disk generally carries out optical reproduction data with laser.Combinations of the above Can also be included in computer readable medium.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include Within protection scope of the present invention.

Claims (10)

1. a kind of reactive compensation configuration method based on transient voltage stability constraint, it is characterised in that methods described includes:
The research level year mode data that acquisition is built;
Reactive layered partition balancing analysis is carried out to the research level the built year mode data, with control 220kV and more than Main transformer bet power factor and each voltage class busbar voltage are target in prescribed limit, determine the preliminary of reactive-load compensation Parameter configuration scheme;
Preliminary parameters allocation plan to the reactive-load compensation carries out Transient Voltage Stability check, there is no Voltage Instability accident It is target, further corrects the parameter configuration scheme of reactive-load compensation;
DC Line Fault is carried out to the parameter configuration scheme of revised reactive-load compensation and new energy is sent out circuit catastrophe failure and checked, It is target there is no Voltage Instability accident, further amendment reactive-load compensation allocation plan, obtains the ginseng of final reactive-load compensation Number allocation plan.
2. as claimed in claim 1 based on transient voltage stability constraint reactive compensation configuration method, it is characterised in that it is described with Control 220kV and above main transformer bet power factor and each voltage class busbar voltage are target in prescribed limit, really Determine the preliminary parameters allocation plan of reactive-load compensation, including:
0.95 is not less than as target with 220kV and above main transformer bet power factor, configures transformer reactive compensation capacity, To determine the preliminary parameters allocation plan of the reactive-load compensation.
3. the reactive compensation configuration method of transient voltage stability constraint is based on as claimed in claim 1, it is characterised in that described right The preliminary parameters allocation plan of the reactive-load compensation carries out Transient Voltage Stability check, is mesh there is no Voltage Instability accident Mark is, it is necessary to the fault set for considering includes:N-1 the and/or N-2 failures forever of circuit three, the failure is the N-1 and/or N-2 forever of circuit three On the failure of voltage stability influence.
4. the reactive compensation configuration method of transient voltage stability constraint is based on as claimed in claim 1, it is characterised in that described right The parameter configuration scheme of revised reactive-load compensation carries out DC Line Fault and new energy is sent out circuit catastrophe failure and checked, not send out Raw Voltage Instability accident is target, it is necessary to the fault set for considering includes:Direct current monopole and/or bipolar locking failure and new energy send Go out circuit catastrophe failure, the failure is that direct current monopole and/or bipolar locking and new energy send out circuit to voltage stability shadow Loud failure.
5. the reactive compensation configuration method of transient voltage stability constraint is based on as claimed in claim 4, it is characterised in that described new The energy sends out circuit catastrophe failure to be included:New energy sends out circuit N-3 and/or N-4 failure, and the failure is that new energy sends out line The failure that road N-3 and/or N-4 influences on voltage stability.
6. a kind of reactive-load compensation configuration device based on transient voltage stability constraint, it is characterised in that described device includes:
Acquiring unit, for obtaining the research level built year mode data;
Reactive layered partition balancing analytic unit, for carrying out reactive layered point to the research level the built year mode data Area's equilibrium analysis, to control 220kV and above main transformer bet power factor and each voltage class busbar voltage in regulation model It is target in enclosing, determines the preliminary parameters allocation plan of reactive-load compensation;
Transient Voltage Stability checks unit, and Transient Voltage Stability is carried out for the preliminary parameters allocation plan to the reactive-load compensation Check, be target there is no Voltage Instability accident, further the parameter configuration scheme of amendment reactive-load compensation;
DC Line Fault and new energy send out circuit and check unit, are carried out for the parameter configuration scheme to revised reactive-load compensation DC Line Fault and new energy are sent out circuit catastrophe failure and are checked, and are target there is no Voltage Instability accident, further correct nothing Work(compensates allocation plan, obtains the parameter configuration scheme of final reactive-load compensation.
7. the reactive-load compensation configuration device of transient voltage stability constraint is based on as claimed in claim 6, it is characterised in that the nothing Work(hierarchical and regional balance analytic unit, is further used for being not less than 0.95 with 220kV and above main transformer bet power factor It is target, transformer reactive compensation capacity is configured, to determine the preliminary parameters allocation plan of the reactive-load compensation.
8. the reactive-load compensation configuration device of transient voltage stability constraint is based on as claimed in claim 6, it is characterised in that described temporary State voltage stabilization checks unit, is further used for carrying out Transient Voltage Stability to the preliminary parameters allocation plan of the reactive-load compensation Check, there is no Voltage Instability accident as target, it is necessary to the fault set for considering includes:N-1 the and/or N-2 failures forever of circuit three, The failure is the failure that N-1 and/or N-2 influences on voltage stability forever of circuit three.
9. the reactive-load compensation configuration device of transient voltage stability constraint is based on as claimed in claim 6, it is characterised in that described straight Stream failure and new energy send out circuit and check unit, are further used for carrying out the parameter configuration scheme of revised reactive-load compensation DC Line Fault and new energy are sent out circuit catastrophe failure and are checked, there is no Voltage Instability accident as target, it is necessary to the event for considering Barrier collection includes:Direct current monopole and/or bipolar locking failure and new energy send out circuit catastrophe failure, and the failure is direct current monopole And/or bipolar locking and new energy send out the failure that circuit influences on voltage stability.
10. the reactive-load compensation configuration device of transient voltage stability constraint is based on as claimed in claim 9, it is characterised in that described New energy sends out circuit catastrophe failure to be included:New energy sends out circuit N-3 and/or N-4 failure, and the failure is sent out for new energy The failure that circuit N-3 and/or N-4 influences on voltage stability.
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