CN104124707B

CN104124707B - A kind of power station based on intensive small hydropower system power quickly regulates system and implementation method

Info

Publication number: CN104124707B
Application number: CN201410352732.7A
Authority: CN
Inventors: 武晋辉; 肖永; 焦邵华; 陈晓谨; 陈建国; 文贤馗; 黄文伟; 刘洪文
Original assignee: GUIZHOU GRID Co; Beijing Sifang Automation Co Ltd
Current assignee: GUIZHOU GRID Co; Beijing Sifang Automation Co Ltd
Priority date: 2014-07-23
Filing date: 2014-07-23
Publication date: 2016-08-24
Anticipated expiration: 2034-07-23
Also published as: CN104124707A

Abstract

A kind of power station based on intensive small hydropower system power quickly regulates implementation method, for due to wind-powered electricity generation uncontrollable, unpredictable, the factors such as randomness is strong go out fluctuation after causing wind-electricity integration and bring the practical problem of greater impact to operation of power networks, and intensive small hydropower system single-machine capacity is little, large number of, start and stop and governing response are quick, the feature that geographical position is remote, press down wind power output by the power Quick regulating flat of intensive small hydropower system to fluctuate, by water power with wind-powered electricity generation in the time, the complementation of the aspects such as technical characteristic, achieve combined optimization to run, from economy, technical reach power grid security, stable, the requirement of economical operation.Autonomy that the present invention regulates from device, concertedness, small power station's Unit Commitment regulation rapid charater, device rapidity etc. in terms of achieve the power stabilizing wind power output fluctuation based on intensive small hydropower system and quickly regulate.

Description

A kind of power station based on intensive small hydropower system power quickly regulates system and implementation method

Technical field

The invention belongs to technical field of industrial control, more particularly to the power station merit of a kind of scene aqueous vapor various energy resources cooperation Rate quickly regulates system and implementation method.

Background technology

China's waterpower resourses enrich, and water power has obtained the support energetically of country as clean energy resource, although small power station's single-machine capacity is not Greatly, but large number of, and some areas are than comparatively dense, and small power station's single-machine capacity is suitable with blower fan, relative to thermoelectricity, wind-powered electricity generation etc. Other energy, small power station has the quick technical characterstic of start and stop.Small hydropower station automatization level is stepping up at present, but at water Side, power station power quickly regulation aspect compares shortcoming.

In recent years, along with the new forms of energy such as wind-powered electricity generation, photovoltaic constantly access electrical network, intermittent, randomness and the uncontrollability brought to The operation of electrical network brings the challenge that some are new, and the operation of the quick control characteristic of Hydropower Unit start and stop and new forms of energy has complementation Factor.It is simultaneously because small power station's remote location, capacity are relatively small, the lowest with the degree of higher level control centre coordinated monitoring, It is substantially at uncontrollable, unobservable present situation at present, but for higher level control centre, this demand is along with automatization The development of technology is more and more urgent.

The access electrical network of large number of intermittently power supply can affect the voltage stability of system, causes power swing, at present at small hydropower system Aspect is relatively fewer, and majority is the in-house research reactive power/voltage control problem from new forms of energy unit, up to the present, makes full use of Wind-powered electricity generation and small hydropower system Reactive-power control ability carry out the control of regional power grid reactive voltage and build corresponding automatic voltage control system side The report in face there is not yet.

For scale small hydropower system and scene the coordinating of gas various energy resources cooperation, can carry out from multiple time scales, The most on long terms, dry monsoon is big, wet monsoon is little；Winter low water, summer the water yield enrich, two kinds of energy have season The complementary characteristic of property；On the other hand from the short term: wind on daytime wind at little, night is big, it may have certain complementary characteristic；Meanwhile, Side, power station power rapid adjusting device can also realize gaining merit, the ultra-short term of reactive power the most accurately regulates, it is possible to according to far The instruction of Cheng Fengshui Optimal Control Strategy, carries out the closed loop, in real time, quickly regulate in partial electric grid region in real time.

For safe and stable operation and the tune of electrical network after the technical characterstic access electrical network that the wind-powered electricity generation energy is random, uncontrollable, undulatory property is strong Degree brings new problem, is embodied in the many aspects such as meritorious, idle, safety and stability, and this problem is always the new energy such as wind-powered electricity generation One of grid-connected subject matter faced in source.And power station is stable, adjustable and regulates quick technical characterstic, add wind-powered electricity generation unit The single-machine capacity of capacity and small power station is suitable, if the installed capacity of wind-powered electricity generation in region, water power is suitable, is just fully able to realize connection Close to optimize and run, quickly regulating performance and coordinating to control to stabilize what wind farm group brought to operation of power networks by intensive small hydropower system Fluctuation.If the installed capacity of intensive small hydropower system is less than wind farm group, then also can play the operational effect that part compensates.

The existing intensive small hydropower system in market is owing to each power station individuality installed capacity is little, automatization level falls behind, operational management All many factors impacts such as system, owner's interests, regulating power, the coordination being not engaged in regional power grid controls, and to district The intensive individual small power station in territory undergoes technological transformation, and forms region small hydropower system, and installed capacity has just possessed certain scale, thus Carry out cooperation with region wind park based on complementary characteristic, utilize the quick control characteristic of small hydropower system, reach to stabilize wind-powered electricity generation defeated Go out the undulatory property that power brings to electrical network.

The control function of power of domestic current large hydropower station side is all to use personal computer to realize, and has no in water power field Have and realize, by embedded equipment, the case that power quickly regulates in side, substation, power station, also have no by third party producer to water power Increase of standing is meritorious, the report of idle quick regulatory function.For intensive small power station the most not this function, and run the age relatively Long, small hydropower station also has higher requirement for cost performance.

Can be controlled according to distant place control strategy to realize intensive small hydropower system, set up safely, invest little long-range optimization The telecontrol channel at policy control center is necessary, and small hydropower station geographical position extremely disperses, the remotest, is much positioned at mountain area, Having inconvenient traffic, water power owner constitutes varied, and major part does not possess the access conditions of power dispatch data network at present, the most right The cost factor of passage construction must gear to actual circumstances.The intensive small hydropower system of consideration is there is presently no multiple with scene gas etc. on market Energy cooperation fast based on the configuration power integration of long-range control strategy center+3G wireless security channel+small hydropower station side The total solution of speed adjustment control apparatus.

Summary of the invention

After the intermittent new forms of energy such as wind-powered electricity generation, photovoltaic are connected to the grid, the disturbance that electrical network is brought by the randomness owing to exerting oneself, cause Electrical network is for the deficiency of wind electricity digestion capability.And intensive small hydropower system have start and stop quickly, regulate quick feature, it is possible to one Minute realize starting to fully loaded process, this load rapid adjustability be thermoelectricity, nuclear power incomparable, although single Machine capacity is less, but large number of, and small power station mates with blower fan in terms of single-machine capacity, makes full use of small power station Potential ability, it is possible to playing significant effect, although the regulation of natural gas power station is quickly, but investment is the biggest.

The impact brought after fluctuation accesses electrical network is gone out to electrical network, according to reality for the multiple intermittent new forms of energy such as wind-powered electricity generation, photovoltaic The various power supply power producing characteristics that border exists, the present invention proposes a kind of power station based on intensive small hydropower system power and quickly regulates system System, quickly regulates integrated apparatus including area power regulation control centre, power station power, it is characterised in that:

In wind-powered electricity generation, water power the region deposited, set up area power and regulate control centre；

Each installation power station, side, power station power at small hydropower station cluster quickly regulates integrated apparatus；

Described area power regulation control centre and power station power quickly regulate arrange between integrated apparatus communication telemechanical lead to Road；

Described area power regulates control centre and stabilizes wind power output according to wind power output wave characteristic and water power power producing characteristics, calculating Each power station target instruction target word of the described small hydropower system of the required regulation of fluctuation, described target instruction target word includes that active power always instructs With power station busbar voltage target instruction target word, described area power is regulated control centre and described target instruction target word is led to by communication telemechanical Road is handed down to described power station power and quickly regulates integrated apparatus；

Described power station power quickly regulates integrated apparatus and uses the regulation integrated design of active power, reactive power, reception area The target instruction target word that territory power adjustments control centre issues, is responsible for each power station plant stand end power coordinates quickly regulation.

The invention also discloses a kind of power station based on intensive small hydropower system power and quickly regulate implementation method, described method based on The small hydropower system of existing dense distribution, by Hydropower Unit active power and the quick regulation of reactive power, stabilizes wind power output The impact that fluctuation brings to electrical network；It is characterized in that, described implementation method comprises the following steps:

Step 1: in wind-powered electricity generation, water power the region deposited, for the power producing characteristics of exert oneself wave characteristic and the water power of wind-powered electricity generation, sets up Area power regulates control centre, as realizing the main website that power station power quickly regulates；

Step 2: quickly regulate integrated apparatus as execution substation, plant stand side, collection plant stand at installation power station, side, power station power End multiple stage Hydropower Unit active power, the coordinated control function of reactive power are integrated；

Step 3: quickly regulate in described area power regulation control centre and power station power communication is set between integrated apparatus With remote channel, according to modes such as field condition selection scheduling data network or VPN radio communications based on IPsec；

Step 4: described area power regulates control centre and calculates participation soon according to wind power output wave characteristic and water power power producing characteristics The target in each power station of velocity modulation joint is always gained merit target instruction target word and the instruction of power station high voltage bus voltage target, and target is referred to Order is handed down to each power station and performs；

Step 5: select power station power quickly to regulate the working method of integrated apparatus, enters step 6 when selecting remote control mode, During select planning curve controlled mode, enter step 7, when selecting Artificial Control mode, enter step 8；

Step 6: when selecting remote control mode, described each power station power quickly regulates integrated apparatus receiving area power adjustments Total meritorious target instruction target word and the instruction of high voltage bus voltage target in this power station is handed down in control centre, in conjunction with the reality in each power station The actual active power regulation value that should adjust of each Hydropower Unit of output calculation and reactive power regulated value, device can be independently according to being Meritorious total instruction is modified by the frequency departure that system frequency fluctuation causes；Then step 9 is proceeded to；

Step 7: when selecting Plan Curve control mode, target instruction target word comes from operator and quickly regulates at each power station power Each power station high voltage bus voltage that integrated apparatus pre-sets, active power Plan Curve, described device combines each power station The actual active power regulation value that should adjust of each Hydropower Unit of actual output calculation and reactive power regulated value, device can be autonomous According to the frequency departure that system frequency fluctuation causes, meritorious total instruction is modified, then proceeds to step 9；

Step 8: when selecting Artificial Control mode, by being manually entered the meritorious total instruction of high voltage bus voltage and power station, knot Close the actual of each power station to exert oneself, calculate the actual active power regulation value that should adjust of each Hydropower Unit and reactive power regulated value, Meritorious total instruction is modified by the frequency departure that device can independently cause according to system frequency fluctuation, then proceeds to step 9；

Step 9: each power station power quickly regulates integrated apparatus according to the idle merit of the target being assigned to each Hydropower Unit calculated After rate, according to unit actual measurement reactive power deviation, output pulse width change increasing magnetic, subtract magnetic control pulse, with each water power DCgenerator motor field system interface, it is achieved reactive power quickly regulates, until actual measurement busbar voltage and busbar voltage target instruction target word are less than setting Till fixed dead band；

After in power station, each Hydropower Unit receives the target active power being assigned to each Hydropower Unit, have according to unit actual measurement The deviation of merit power, the speedup of output pulse width change, deceleration control pulse and start and stop signal, with each Hydropower Unit speed governing System interface, it is achieved active power quickly regulates, exerts oneself with active power target instruction target word less than setting until actual measurement power station is always meritorious Till fixed dead band.

The application has the advantages that

Power station based on intensive small hydropower system fast power control method, is used for stabilizing wind power output and fluctuates to disturbing that electrical network brings Dynamic, both can guarantee that the rapidity of regulation, and need not again increase primary equipment, at reduction grid disturbance, raising electrical network, wind-powered electricity generation had been disappeared Receive on the premise of ability, reduce the cost of scheme simultaneously, there is practicality.Power station power quickly regulates integrated apparatus collection Active power, reactive power, multiple stage unit allocation are adjusted to one, simplify system structure, reduce system cost, raising The efficiency of debugging.

Accompanying drawing explanation

Fig. 1 is that the intensive small power station power of the present invention quickly regulates system architecture diagram；

Fig. 2 is that the power station power of the present invention quickly regulates integrated apparatus structural representation；

Fig. 3 is that the power station of the present invention realizes block diagram with remote dispatching control centre radio channel；

Fig. 4 is the schematic flow sheet that the intensive small power station power of the present invention quickly regulates implementation method；

Fig. 5 is that the Hydropower Unit of the present invention is meritorious quickly regulates logic diagram；

Fig. 6 is the idle quick regulation logic diagram of Hydropower Unit of the present invention.

Detailed description of the invention

With example, technical scheme is further illustrated below in conjunction with the accompanying drawings.

The impact caused after the new forms of energy such as wind-powered electricity generation, photovoltaic access electrical network and fluctuation, by utilizing the wattful power of intensive small hydropower system Rate, the coordination of reactive power control, and reach the amplitude of the purpose stabilized and weaken, power rush and fluctuation and the close of participation regulation The total installation of generating capacity of collection small hydropower system more coupling, the effect of cooperation regulation is the best.

In wind-powered electricity generation, water power the region deposited, set up area power regulation control centre, including data acquisition unit, computing unit, Communication unit；Data acquisition unit receives dispatch automated system, wind power prediction system and the number of small power station's power prediction system According to, computing unit, for region wind, light, water, the different power producing characteristics of the multiple new forms of energy of gas, participates in region in the little water of regulation Electricity group is equivalent according to a Virtual water power station, formulates region real power control strategy, forms generation schedulecurve a few days ago, and will be meritorious Load plan is given according to different priority and pro rate and is participated in each small hydropower station that combined optimization runs, and by region merit The instruction of the target of each small hydropower station always being gained merit of the communication unit of rate control centre issues；Region is idle, and control strategy passes through to ensure The busbar voltage collecting transformer station of each small hydropower station, in nominal operating range, is wanted not past collecting the operation of substation bus bar voltage The high limit asked and lower bound, determine the target instruction target word of each power station high voltage bus voltage, and leading to by area power control centre Letter unit is handed down to each small hydropower station.

One makeup is quickly regulated at installation power station, the intensive small hydropower station side power participating in scene aqueous vapor various energy resources cooperation Putting, this device quickly regulates for each power station plant stand end power, uses embedded equipment design, collects plant stand end multiple stage hydroelectric machine Group active power, the coordinated control function of reactive power are integrated, as shown in Figure 2:

Described power station power quickly regulate integrated apparatus include power insert, On-off signal plug-in unit, output switch parameter plug-in unit, DC analogue quantity input plug-in unit, ac analog input plug-in unit, CPU card, communication module, wireless module, above plug-in unit and Module is arranged in device cabinet, and is connected by the core bus of device cabinet, and described On-off signal plug-in unit receives power station The outlet breaker position of each unit, allow real power control signal, allow idle control signal, AVR low to encourage, AVR cross encourage, The signals such as machine unit speed regulating device fault, unit electrical hazard, unit water machine accident, DC analogue quantity input plug-in unit receives each water wheels The excitation voltage of generating set, exciting current, booster stations high voltage bus voltage and frequency signal, ac analog input plug-in unit connects Receive turbine-generator units outlet PT three-phase voltage Ua, Ub, Uc, three-phase current Ia, Ib, Ic signal, obtain respectively by calculating The virtual values such as meritorious, idle, power factor, line voltage, the line current of platform unit, described output switch parameter plug-in unit exports each The increasing magnetic of Hydropower Unit, subtract magnetic, speedup, slow down, start shooting, the on-off model such as shutdown.Described communication module is used for receiving liter Pressure station high voltage bus voltage and frequency signal, meritorious, idle, set end voltage, dynamo current, the excitation of each Hydropower Unit Voltage, exciting current, outlet breaker position, allow real power control signal, allow idle control signal, AVR low to encourage, AVR Cross encourage, the signal such as machine unit speed regulating device fault, unit electrical hazard, unit water machine accident；Wherein, On-off signal plug-in unit, straight Flow field simulation amount input plug-in unit, ac analog input plug-in unit are to receive induction signal by IO hardwire mode, and communication module is passed through Third party system communication mode receives induction signal, and two kinds of acquisition modes are selected by the setting control word of device；

Described CPU card includes that meritorious power control module, Reactive Power Control module, method of operation handover module, definite value are bent Wire management module, off-line closed loop test module etc..

Described power station power quickly regulates the realization of the quick regulatory function of integrated apparatus reactive power, as shown in Figure 6:

After integrated apparatus receives power station high voltage bus voltage target instruction, according to power station high voltage bus actual measurement voltage and target The deviation of voltage, the target output calculating hydroelectric power plant's high voltage bus is the most idle, then according to the running status of each Hydropower Unit, Coordinate the excitation system of each unit in power station, according to etc. the allocation strategies such as nargin determine under the current method of operation each online The target of adjusting water group of motors is idle exerts oneself；Finally according to inclined with unit reactive power measured value of unit target reactive power instruction Difference, and after considering system and equipment fault and various security restriction, barring condition, by the switching value of integrated apparatus Output inserter produces the increasing magnetic of adjustable pulse width, subtracts magnetic switch amount output signal, and direct and each Hydropower Unit field regulator Control interface to be connected, by continuous iteration, until the deviation between power station high voltage bus actual measurement voltage and target voltage instruction is little Till the dead band that definite value sets, thus realize the quick regulation of full factory multiple stage Hydropower Unit reactive power.Mainly comprise following interior Hold:

■ topological relation identification: identify unit and the incidence relation of bus；

■ system impedance calculates: calculate the system impedance of Power Plant Side；

■ prognoses system is idle: instruct according to target voltage, it was predicted that aims of systems is idle；

■ reactive power is distributed: idle according to target, carries out the distribution of adjustable unit reactive power；

■ security constraints: utilize security constraints, retrains allocation strategy；

■ logical relation locking: controller increases, subtracts magnetic and go out atretostomia.

Described power station power quickly regulates the realization of the quick regulatory function of integrated apparatus active power, as shown in Figure 5:

Described power station power quickly regulates integrated apparatus, and the quick regulatory function of active power comprises active power load dispatching with automatic Start and stop two parts, realize considering that vibrating area factor Hydropower Unit gains merit that target exerts oneself is quick based on quick Step wise approximation method Location.

First instruction of always gaining merit the target received carries out Effective judgement, considers owing to bus frequency is inclined with target frequency simultaneously The meritorious target that difference band comes always instructs quickly correction.Owing to Hydropower Unit exists vibrating area, when having between each unit in power station In any case workload distribution all can not meet the requirement of meritorious total instruction, system carries out instruction ignore alarm.

According to the meritorious total instruction of target and the operation conditions of each Hydropower Unit, it is determined whether need start and stop.

■ unit compressor start up condition: Pagc+Pstandby ＞ ∑ Pt

In formula, Pstandby represents that the spinning reserve capacity of full factory, ∑ Pt represent that full factory participates in meritorious quickly regulation and place Adjustable capacity in generating state unit.

■ unit start number of units: Nstart=(Pagc+Pstandby-∑ Pt)/Pmax+1

In formula, Nstart is start number of units；Pmax is unit heap(ed) capacity. If the actual spinning reserve capacity of operating unit is less than the spinning reserve capacity required, and difference is dead more than startup-shutdown District, then need start.

■ compressor emergency shutdown condition: ∑ Pt-(Pagc+Pstandby) ＞ Pmax

■ compressor emergency shutdown number of units: Nstop=(∑ Pt-(Pagc+Pstandby))/Pmax

In formula, Nstop is for shutting down number of units.

After determining unit operation number of units, in station, carry out active power distribution between each Hydropower Unit.

Described power station power quickly regulates integrated apparatus, realizes considering vibrating area factor water based on quick Step wise approximation method Group of motors is gained merit the quick location that target exerts oneself.According to full factory set-point of always gaining merit, the active power of each Hydropower Unit of full factory is entered Row calculates distribution, and allocation strategy is initially with by the proportional principle of unit capacity.Due to the existence of the vibrating area of Hydropower Unit, when Participate in the target instruction target word of gaining merit of the Hydropower Unit of meritorious quickly regulation and fall into vibrating area or time instruction changes, first work as according to unit Whether front running status and vibrating area distribution, calculate active power variable quantity dp less than working as according to raising and lowering both direction Front adjustable capacity, if set up, then can be according to unit capacity equal proportion increasing and decreasing load in Operational Zone at each unit, to reduce Vibrating area traversing times；If be false, then need unit and cross over vibrating area, then, in unit burden with power queue, increase negative During lotus, the low person of load first crosses over, and during load shedding, load height person first crosses over, then according to active power variable quantity dp and new currently may be used Pondage judges whether to also need to unit and crosses over, if it is not required, then can be according to unit capacity etc. in Operational Zone at each unit Sliding scale load, if it is desired, then repeat above iterative process, thus can be very fast by the method for quick Step wise approximation Ground determines that the target of each unit is exerted oneself.

After in determining power station, the target of each unit is meritorious, integrated apparatus is gained merit according to the actual measurement of each unit and is exerted oneself and mesh Indicating the deviation that merit is exerted oneself, according to the control strategy of variable step, the output switch parameter plug-in unit of integrated control unit produces pulsewidth can The speedup adjusted, slow down, start shooting, the switching value output signal such as shutdown, and directly and the control interface of hydro turbine governor, directly To the dead band that the deviation of active power sets less than definite value, thus realize the quick regulation of Hydropower Unit active power.

Described method of operation handover module is responsible for remote control, Plan Curve, the switching of the multiple method of operation such as artificial and function and is thrown Move back；Described the settled value curve management module is responsible for definite value and the Plan Curves such as device device control parameters, security constraint, function selecting Calling, lower dress, storage, edition function safeguard.

Described off-line closed loop test module, is responsible in disconnection mode, by providing the external Virtual signal needed for device, it is achieved The off-line closed loop test function of device.

Under off-line state, performance, function debugging it is adjusted, on the one hand in order to small power station's power quickly being regulated integrated apparatus Can be realized by RTDS system, but so cost is the highest, unrealistic；The present invention is according to the control principle of device, logical Cross reversible reverse modeling method and establish the mathematical model of the valve systems such as outside, for off-line closed loop test, simple and practical, The development process of device, test of dispatching from the factory, system provide virtual test running environment before putting into operation.

When calculating system impedance X in real system, employing method is:

X = \frac{V_{+} - V_{-}}{\frac{Q_{+}}{V_{+}} - \frac{Q_{-}}{V_{-}}}

Wherein high voltage bus contact potential series is Vn+1, Vn, Vn-1 ..., V0

It is Qn+1, Qn, Qn-1 ..., Q0 that power station exports idle sequence

Use inverse system principle, for given sequence V-and X initial value, V+ can be drawn:

V_{+} = \frac{{V_{-}}^{2} - X \cdot Q_{-} - \sqrt{{V_{-}}^{2} + X^{2} \cdot \frac{{Q_{-}}^{2}}{{V_{-}}^{2}} - 2 X \cdot Q_{-} + 2 X \cdot Q_{+}}}{2 \cdot V_{-}}

Iterating, can be satisfied with the closed loop test demand of device, actual result shows respond well.

Power station power quickly regulates integrated apparatus and after receiving instruction and can adjust rapidly with the coordination of control strategy of long-range main website Whole put in place, there is concertedness feature.The change of bus frequency can be monitored simultaneously in real time, and spontaneous correction target is exerted oneself, tool There is autonomy feature.By the real-time monitoring to hydraulic booster station high voltage bus voltage and frequency, simultaneously with distant place main website strategy Collaborative interaction, can be achieved with intensive small hydropower system with scene gas various energy resources cooperation, stabilize the fluctuation of electrical network.

Power station power quickly regulates the concertedness of integrated apparatus and refers to: combine fortune to quickly respond scene aqueous vapor various energy resources The change of the key parameter such as external electrical network environment meritorious, frequency, idle, voltage during row, substation device must be assisted with master device Regulation and control system, it is connected mutually, when cannot the meeting from main regulation on the spot of side, substation requires, quickly responds the target instruction target word of main website.Many The combined optimization of kind of the energy runs, and from level Shang Fen main website, substation, main website is responsible for the optimisation strategy of regional power grid, substation according to The target instruction target word received, the meritorious, idle of multiple stage unit being responsible for coordinating power station is exerted oneself and performs, thus reaching wholistic strategy Control target.Overall-in-one control schema equipment possesses telemechanical interface, according to the feature support scheduling data that small power station geographical position is remote Net, the communication mode such as wireless and distant place master station communication.

Power station power quickly regulates the autonomy of integrated apparatus and refers to: combine fortune to quickly respond scene aqueous vapor various energy resources The change of the key parameter such as external electrical network environment meritorious, frequency, idle, voltage during row, substation device must possess itself automatically, Quickly responding and trigger the ability of regulation, this regulation possesses spontaneity and rapidity, and it is spontaneous concrete real that power quickly regulates Existing as described below:

The technical characterstic that the wind-powered electricity generation energy is random, uncontrollable, undulatory property is strong can bring impact to electrical network after accessing electrical network, affects electric power The safe and stable operation of system, in order to quickly stabilize the wind-powered electricity generation fluctuation impact on system frequency, participate in the hydroelectric power plant of regulation for Frequency is varied across during setting regions the most quickly responding, at any time the change of supervision bus frequency:

When frequency is beyond normal frequency modulation section, power station power quickly regulates the active power controller part of overall-in-one control schema equipment, Increase and decrease the load instruction participating in active power controller unit by the correction of Kf × Δ f, this instruction is by load under current head Lower limit, until system frequency comes back to normal frequency modulation section；And when frequency departure does not cross setting dead band, have It is 0 that merit power quickly regulates part correction.

P_act=P_set+ΔP

Wherein: f_set: bus frequency setting value

f_sys: bus frequency actual value

k_f: frequency response correction coefficient

f_d: frequency dead band

Δ P: frequency just moves the meritorious correction of correspondence

P_act: revised meritorious setting value

P_set: uncorrected meritorious setting value

Rapidity realizes in terms of two, on the one hand from scheduling aspect, adjusted by the county concentrated in small power station, adjust realization honourable Meritorious, the idle control main website of aqueous vapor various energy resources cooperation do control strategy, disturb for various energy resources cooperation appearance Move and control the most in real time, coordinate exerting oneself in real time of intensive small hydropower station, determine the method for operation of local power net；On the other hand Side, substation, power station power rapid adjusting device has concertedness and autonomy, after receiving main website instruction, coordinates in substation, power station Each Hydropower Unit realize quickly performing and adjusting of meritorious, Target of Reactive Power, wind-powered electricity generation fluctuation can be embodied in frequency simultaneously Deviation make quickly corresponding, as shown in Figure 1.

The rapidity of power station power adjustments be also embodied in integrated control unit regulation rapidity, the start and stop of small power station itself and Regulate quick characteristic.The rapidity of device regulation is embodied in, when receiving having of issuing of described area power regulation control centre During the instruction of merit, voltage target, it is possible to quickly realize stablizing of target, this link considers at device itself, have employed change step The regulation strategy in length+dead band.

Fluctuating the power disturbance brought to electrical network for wind power output, small power station itself has the rapidity that other energy does not possesses, Within one minute, achieving that and start to band at full capacity, small power station's unit mates in terms of single-machine capacity with Wind turbines, Er Qiefen Cloth is wide, quantity is many, have intensive population effect, according to region wind-powered electricity generation, the energy source configuration ratio situation of small power station, small power station Certain effect just can be had in terms of stabilizing wind power output fluctuation；And the climbing capacity of thermoelectricity burden with power adjustment is the slowest, natural It is preferable that pneumoelectric station adjusts characteristic, but investment is bigger.

Quickly regulate with power station power to arrange between integrated apparatus in described area power regulation control centre and communicate with remotely leading to Road, for possessing the power station first-selection dispatch data net of wired telemechanical communication condition, for not possessing the little of dispatch data net condition Power station, system uses the VPN wireless telecommunication mode based on Ipsec between power station and area power control centre；

Wireless telecontrol channel between described area power regulation main website of control centre and intensive small hydropower system be based on VPN technologies and Communication private network realizes, power station power quickly regulate integrated apparatus, communication controler, wireless communication module, public network Network, the support router of VPN function, distance host are constituted, as shown in Figure 3:

Power station power quickly regulates integrated apparatus and regulates control centre by communication controler and area power and communicate, and receives it The target instruction target word issued, and will give in the remote measurement in power station, remote signalling information.

Communication controler summarizes power station power and quickly regulates the information of integrated apparatus, gateway support function, supports to pass through IEC60870-7-104 stipulations regulate control centre with area power and communicate.

Wireless communication module is responsible for utilizing common network resource, the data of communication controler is connected with radio channel, supports Ipsec VPN routing function.

Area power regulates control centre's end configuration and supports the router of Ipsec VPN function, can normally access public network, and There are fixing public network IP address and internal lan IP address.

Area power regulates the IP of control centre's end long-range control host machine with center-side route internal LAN at the same network segment.So Just establish between the router and the wireless module at scene of center-side possess safety LAN-to-LAN IPSec VPN lead to Road, such area power is regulated control centre's end and just can be realized the on-the-spot power station fast velocity modulation of power by this wireless VPN passage The joint remote regulating of integrated apparatus, remote control, remote measurement, the transmission of remote signalling information.

Described radio communication has security guarantee, have employed Ipsec agreement based on VPN encrypted tunnel, supports based on non- The unilateral authentication of symmetric key technique, the guidance command support that main website issues is with digital signature based on scheduling certificate, side, substation Or end side can differentiate the digital signature of main website, by the modular converter of embedded " sign test module " function, by means of Internet Achieve remote I ntranet.

It is the intensive small power station power of the present invention flow chart that quickly regulates implementation method as shown in Figure 4, it is achieved step is as follows:

Step 1: in wind-powered electricity generation, water power the region deposited, for the power producing characteristics of exert oneself wave characteristic and the water power of wind-powered electricity generation, sets up Area power regulates control centre.Area power regulates control centre and is responsible for issuing of target instruction target word, intensive small power station's plant stand side Power quick adjustment device is responsible for the execution of target instruction target word,

Di Tiaohuo county adjust set up scene aqueous vapor various energy resources area power regulation control centre, receiving area wind power prediction system, The output result of small power station's power prediction system, adjusts automated system interface to obtain electric network swim distribution real time information with Di Tiaohuo county, For the different power producing characteristics of the region multiple new forms of energy of scene aqueous vapor, formulate consideration various energy resources complementary operation, stabilize interval performance The active power of source impact, Reactive Power Control strategy, functionally to serve power station idle in area power regulation control centre Control of Voltage center and the effect at virtual Small Hydropower Stations real power control center, calculate the mesh participating in quickly each power station of regulation Mark is total meritorious exerts oneself, power station high voltage bus target voltage, forms generation schedule, and is handed down to instruction participate in combined optimization fortune The power quick adjustment device at each small hydropower station scene of row, and require that scene, power station quick adjustment device is in the given time Interior this power station total meritorious exerted oneself, high voltage bus voltage is quickly adjusted in place.As shown in Figure 1.

Step 2: quickly regulate integrated apparatus at installation power station, side, power station power, described power station power quickly regulates one Body gasifying device quickly regulates for each power station plant stand end power, uses embedded integrated device to design, and collects plant stand end multiple stage water Group of motors active power, the coordinated control function of reactive power are integrated, as shown in Figure 2；

By each small hydropower station side in the dense distribution not possessing the quick regulatory function of power, participation cooperation during enforcement, Installing undertakes power as claimed in claim 1 and quickly regulates the power station power of task and quickly regulate integrated apparatus, reception area The instruction of high voltage bus voltage target that territory power control center issues and meritorious total instruction, and coordinate multiple stage unit in power station Excitation system and governing system are adjusted, until meeting command request.First according to the situation of scene, power station automated system, Whether excitation system, governing system possess the interface automatically controlled, and can implement by the present invention if possessed；Otherwise need first to carry out The Automation of Hydropower Station system reform.

Described power station power quickly regulates integrated apparatus and uses embedded equipment design, gaining merit of collection side, power station multiple stage unit Power, reactive power coordinated control function are integrated, achieve in a device side, power station multiple stage unit active power, Reactive power coordinated control function highly integrated, by carrying out interface with power station excitation system, governing system, monitoring system, Input data needed for device completes the quick regulatory function of power support that IO hardwire is directly adopted and the mode of Third party system communication obtains Take, by power insert, open into plug-in unit, output plug-in unit, mould enters plug-in unit, exchange plug-in unit, CPU card etc. form, such as Fig. 2 institute Show.Receive that the power station target that issues of described area power regulation control centre is always meritorious and power station high voltage bus target voltage Instruction, device integrated treatment the information gathered, coordinate to control the speed governing of each unit, excitation part in each power station, make Total in each power station meritorious exert oneself, high voltage bus voltage is quickly adjusted in place, thus meets the command request of main website, logical The closed loop control of coordinating crossing local power net realizes and the target of scene gas various energy resources cooperation, improves electrical network energy new to intermittence The digestion capability in source.Detailed technology scheme is as described below:

Described power station power quickly regulates integrated apparatus and integrates active power, reactive power, the control of the multiple stage power of the assembling unit, Support that directly the mode of adopting gathers turbine-generator units outlet PT three-phase voltage Ua, Ub, Uc, three-phase current Ia, Ib, Ic；Water wheels Generator excitation voltage, exciting current；Hydraulic booster station high voltage bus voltage and frequency；Hydrogenerator outlet breaker position Put；Hydropower Unit allow real power control signal, allow idle control signal, AVR low to encourage, AVR cross encourage, machine unit speed regulating device fault, The signals such as unit electrical hazard, unit water machine accident；The output of device include each Hydropower Unit increasing magnetic, subtract magnetic, speedup, Slow down, start shooting, the output switch parameter control instruction such as shutdown, interface that can be directly corresponding with excitation system, governing system connects firmly Line is connected.Simplify system structure, reduce system cost, improve the efficiency of debugging.

In view of the complex situations of field conduct, device uses meritorious, the integration of reactive power quick regulatory function of multiple stage unit Design and signal access compatible hardwire collection and the technical scheme of communication mode access, directly adopt mode and communication mode can be by control Word processed selects, and has the motility of field conduct.

In each small hydropower station side of the dense distribution participating in cooperation, quickly regulate integrated apparatus as core with power station power The heart carries out concentrating group screen, screen body also to include that power controls work station, communication controler, switch etc., pass through between each equipment Ethernet is connected, and screen body is arranged on by master control room, power station or main frame.Wherein power control work station is realized by computer, is responsible for The management of whole control system data base, operation monitoring, mode switch, report to the police, daily record, form, definite value is safeguarded, system is divided The functions such as analysis, man-machine interaction HMI.Communication controler is responsible for the access of communication data in systems and produces, and is to connect higher level to adjust Degree center, power station power quickly regulate integrated apparatus, the important step of on-the-spot Third party system, on the one hand pass through communication party Formula data needed for on-the-spot Third party system access power adjusting means, on the other hand support that PCU Power Conditioning Unit is dispatched with higher level Remote measurement between center, remote signalling, remote control, remote regulating, it also supports the various ways such as dispatch data net, radio communication simultaneously.

Power station power quickly regulate integrated apparatus data stream and with other system interface, device output open, halt instruction need To coordinate with monitoring system, when open, shut down controlled by device time, instruct with the startup-shutdown of monitoring system and carry out or computing, by supervising The sequence operation that Ore-controlling Role is responsible for out, is shut down.

Described power station power quickly regulates integrated apparatus and provides off-line closed loop test means, before system puts into operation, is switched to close Ring test pattern, is carried out off-line test by off-line closed loop test module, and is quickly regulated with power station power by upper and lower site Integrated apparatus communicates, and carries out off-line closed loop test, and carries out functional verification.

Step 3: quickly regulate in described area power regulation control centre and power station power communication is set between integrated apparatus With telecontrol channel, according to modes such as field condition selection scheduling data network or VPN radio communications based on IPsec；

Intensive small hydropower system geographical position extremely disperses, the remotest, is much positioned at mountain area, has inconvenient traffic, in order to realize water The closed loop in power station quickly regulates, and builds inevitable with the telecontrol channel of distant place optimisation strategy control centre.

Method one: be power dispatch data network, but intensive small power station belongs to low-voltage network mostly, and capacity is less, ownership County adjusts management, does not mostly have the environment of dispatch data net；

Method two: being the special line setting up small power station to distant place optimisation strategy control centre, cost is the highest, inapplicable.

Method three: also have traditional phone Modem mode, speed is slow, and quantity of information is few, and reliability and safety is poor.

Along with the development of communication technology, GPRS, 3G even 4G occurs, utilize these vector construction cost is low, safety good, The telecontrol channel of good stability, domestic industry specialists view is different, mainly carries out matter from reliability, the safety of communication of communication Doubt.

Run to realize the combined optimization of the various energy resources such as intensive small hydropower system and scene gas, side, the described power station fast velocity modulation of power Joint integrated apparatus must regulate control centre with area power and form closed loop control, at the water possessing dispatch data net communication condition Dispatch data net is preferentially selected in power station, and remote for intensive small hydropower system position, do not possess the actual feelings of dispatch data net communication Condition, based on computer technology and the network communications technology, it is achieved that area power regulation based on VPN technologies and communication private network controls Center and the Ipsec VPN wireless remote passage of intensive small hydropower system.This telecontrol channel does not possess power train tracking at small hydropower station In the case of degree special line passage, it is achieved that side, substation power rapid adjusting device is mutual with the information of distant place main website, the side of realization in detail Case is as described below.

For the practical situation of small hydropower station, select the telecontrol channel between remote control center.If power station possesses scheduling Data network condition of contact, then communication controler is by dispatch data net and remote control center communication；If small hydropower station does not possesses The condition of contact of dispatch data net, can carry out the test of the signals such as China Telecom, China Mobile, CHINAUNICOM, selects signal strong Spending big operator and set up radio channel, wireless communication interface achieves power station power and quickly regulates the remote measurement of controller, remote signalling Send in status information, receive remote control, remote regulating control instruction that higher level control centre issues simultaneously.

The implementation of radio communication system is as shown in Figure 3:

Wireless telecontrol channel between described area power regulation main website of control centre and intensive small hydropower system be based on VPN technologies and Communication private network realizes, power station power quickly regulate integrated apparatus, communication controler, wireless communication module, public network Network, the support router of VPN function, distance host are constituted:

Communication controler summarizes power station power and quickly regulates the information of integrated apparatus, gateway support function, supports to pass through IEC60870-7-104 stipulations regulate control centre with area power and communicate, and in the IEC60870-7-104 stipulations of binding Route_ip field configuration is: route_ip=192.168.10.1 (ip of wireless module).

Wireless communication module is responsible for utilizing common network resource, the data of communication controler is connected with radio channel, supports Ipsec VPN routing function.Wireless communication module SIM opened network packet traffic service and working properly, correctly module is set IP address (such as 192.168.10.1).

Area power regulates control centre's end configuration and supports the router of Ipsec VPN function, can normally access public network, and Have fixing public network IP address and internal lan IP address, arrange router to internal lan ip address (as 192.168.100.1)。

Area power regulates the IP of control centre's end long-range control host machine with center-side route internal LAN at the same network segment, and this is Configuration field " remote_ip=192.168.100.111 " in the IEC60870-7-104 stipulations bound by on-scene communication controller Determine, and control host gateway is set to the ip (192.168.100.1) of center-side router.

Between the router and the wireless module at scene of center-side, so just establish the IPSec possessing safety LAN-to-LAN VPN passage, such area power is regulated control centre's end and just can be realized on-the-spot power station power by this wireless VPN passage The quickly regulation remote regulating of integrated apparatus, remote control, remote measurement, the transmission of remote signalling information.

Traffic rate and flow rate calculation:

Assume mutual 25 data in each power station, each data 4byte, above send interval 1 second, then monthly flow: 25 (individual) * 4 (byte) * 24 (hour) * 60 (point) * 60 (second) * 30 (my god)=259.2Mbyte/ the month, therefore communication data traffic is not Greatly, rate stabilization, operation and maintenance cost are the highest.

Secure wireless communication ensures:

■ applies for wireless DDN business to network service operation service business, it is possible to provide always online, transparent data transfer Virtual private data communication network VPN.During the small hydropower station that can provide dense distribution controls with area power Communication mode between the heart, it is adaptable to sudden, the data transmission of altofrequency, some polydispersion, low discharge.

■ Ipsec based on VPN encrypted tunnel agreement, in small hydropower station and the area power control centre of dense distribution Between establish the secure tunnel of encryption, it is ensured that communication data is not obtained by Internet disabled user, by Long-range intranet is achieved in internet.

" interlocking of phone and card " function of ■ wireless module, supports unilateral authentication based on unsymmetrical key technology, region merit The remote regulating order that main website of rate control centre issues is supported with digital signature based on scheduling certificate, side, power station merit Rate quickly regulates integrated apparatus can differentiate the digital signature of main website.

■ wireless module is provided that support embedded " sign test module " function, Strengthens network safety.

■ uses technical grade SIM to improve reliability.

Step 4: described area power regulates control centre and calculates participation soon according to wind power output wave characteristic and water power power producing characteristics The target in each power station of velocity modulation joint is always gained merit target instruction target word and the instruction of power station high voltage bus voltage target, and target is referred to Order is handed down to each power station and performs.

Step 5: select power station power quickly to regulate the working method of integrated apparatus, enters step 6 when selecting remote control mode, During select planning curve controlled mode, enter step 7, when selecting Artificial Control mode, enter step 8.

Described power station power quickly regulates the active power of integrated apparatus and quickly regulates and quickly regulate with reactive power, all supports Remote control, Plan Curve, the method for operation such as artificial, be responsible for by described method of operation handover module, negative during the switching of various patterns Duty set-point is mutually followed the tracks of, and reduces disturbance.

Step: 6: when selecting remote control mode, described each power station power quickly regulates integrated apparatus receiving area power adjustments The target instruction target word that control centre issues, in conjunction with the actual active power that should adjust of each Hydropower Unit of actual output calculation in each power station Regulated value and reactive power regulated value, device can independently according to the system frequency frequency departure that causes of fluctuation to meritorious always instruct into Row is revised, as described below, then proceeds to step 9.

Under the remote control method of operation, area power control centre is in the big closed loop in main website-substation with the power station selecting this method of operation Control mode, when communicating interrupt between the two, the action of integrated apparatus exports effective locking.

The power being installed on each intensive small hydropower station quickly regulates integrated apparatus, the bus frequency that monitoring power network fluctuation causes in real time The change of rate, and spontaneously revise meritorious target gross capability according to the deviation of frequency setting value, and coordinate each Hydropower Unit in station Carry out the regulation of active power and reactive power, determination that in standing, the target of each unit is meritorious, the judgement of barring condition, vibration The process in district is all carried out at local device, has autonomy feature.

When frequency is beyond normal frequency modulation section, power station power quickly regulates the active power controller part of integrated apparatus, presses The correction of Kf × Δ f is revised burden with power instruction is autonomous.

There is the impact brought to electrical network after new forms of energy uncontrollable, undulatory property feature access electrical network, peace for wind-powered electricity generation, photovoltaic etc. The power being loaded on each intensive small hydropower station quickly regulates integrated apparatus, it is possible to the overall situation control of region power adjustments control centre Strategy processed matches, and regulates, according to the area power being respectively received, meritorious total instruction and the high voltage bus voltage that control centre issues Instruction, the excitation system of each Hydropower Unit in coordination each station and governing system, meritorious by this station is exerted oneself and high voltage bus electricity Pressure is adjusted in place rapidly, and main website is responsible for strategy, and execution is responsible in substation, and main website forms the closed loop control of closed loop layered distribution type with substation System processed, has concertedness feature；

Step 7: when power station power quickly regulates integrated apparatus select planning curve controlled mode, target instruction target word comes from Each power station power quickly regulates integrated apparatus and loads each power station busbar voltage reactive power pre-set, total active power Plan Curve, Plan Curve can obtain with off-line, hydroelectric station operation personnel be responsible for updating lower dress, each power station fast velocity modulation of power Joint integrated apparatus combines the actual active power regulation value that should adjust of each Hydropower Unit of actual output calculation in each power station and idle Power adjustment value, meritorious total instruction is modified, such as step by the frequency departure that device can independently cause according to system frequency fluctuation Described in rapid 6, then proceed to step 9.

Step 8: when power station power quickly regulates integrated apparatus selection Artificial Control mode, target instruction target word comes from scene Operator is manually entered, and each power station power quickly regulates integrated apparatus and combines each water power of actual output calculation in each power station The actual active power regulation value that should adjust of unit and reactive power regulated value, device can independently cause according to system frequency fluctuation Frequency departure meritorious total instruction is modified, as described in step 6, then proceed to step 9.

Step 9: after each Hydropower Unit receives the target reactive power distributing to each Hydropower Unit in power station, according to machine Group actual measurement reactive power deviation, output pulse width change increasing magnetic, subtract magnetic control pulse, connect with each Hydropower Unit excitation system Mouthful, it is achieved reactive power quickly regulates, until actual measurement busbar voltage and busbar voltage target instruction target word are less than the dead band set.

Simultaneously compared with thermoelectricity, nuclear power equal energy source, small power station itself has start and stop and quickly and regulates quick characteristic, in power station Power quickly regulates integrated control unit link and have employed the regulation strategy in variable step+dead band so that the power adjustments tool in power station There is rapidity feature.

Claims

1. power station based on intensive small hydropower system power quickly regulates a system, regulates control centre, water including area power Power station power quickly regulates integrated apparatus, it is characterised in that:

Quick regulation system the most according to claim 1, it is characterised in that:

Described area power regulates control centre and includes data acquisition unit, computing unit, communication unit；

Data acquisition unit receives dispatch automated system, wind power prediction system and the data of small power station's power prediction system,

Computing unit, for region wind, light, water, the different power producing characteristics of the multiple new forms of energy of gas, is formulated and is considered that various energy resources is complementary Run, stabilize the active power of intermittent energy source impact, Reactive Power Control strategy, calculate each water power participating in quickly regulation The target stood is always meritorious exerts oneself, each power station high voltage bus target voltage, and target instruction target word is issued respectively by communication unit Integrated apparatus is quickly regulated to the power station power in described each power station.

Quick regulation system the most according to claim 1 and 2, it is characterised in that:

Described power station power quickly regulates integrated apparatus, uses power station plant stand level multiple stage unit active power, reactive power Coordinate, control and perform the embedded equipment design of function integration, including power insert, On-off signal plug-in unit, switching value Output inserter, DC analogue quantity input plug-in unit, ac analog input plug-in unit, CPU card, communication module, wireless module, Above plug-in unit and module are arranged in device cabinet, and are connected by the core bus of device cabinet, described On-off signal plug-in unit Receive power station each unit outlet breaker position, allow real power control signal, allow idle control signal, AVR low to encourage, AVR cross encourage, machine unit speed regulating device fault, unit electrical hazard, unit water machine trouble-signal, DC analogue quantity input plug-in unit receive The excitation voltage of each turbine-generator units, exciting current, booster stations high voltage bus voltage and frequency signal, ac analog is defeated Entering plug-in unit and receive turbine-generator units outlet PT three-phase voltage Ua, Ub, Uc, three-phase current Ia, Ib, Ic signal, by meter Calculating meritorious, idle, power factor, line voltage, the line current virtual value obtaining each unit, described output switch parameter plug-in unit is defeated Go out each Hydropower Unit increasing magnetic, subtract magnetic, speedup, slow down, start shooting, halt switch amount signal, described communication module is used for leading to Cross communication mode and receive the booster stations high voltage bus voltage needed for integrated controller and frequency signal, each water from Third party system Meritorious, idle, set end voltage, dynamo current, excitation voltage, the exciting current of group of motors, outlet breaker position, permit Permitted real power control signal, allow idle control signal, AVR low to encourage, AVR cross encourage, machine unit speed regulating device fault, unit electrical hazard, Unit water machine accident input signal, is responsible for the communication of overall-in-one control schema equipment and area power control centre simultaneously；Wherein, switch Amount input plug-in unit, DC analogue quantity input plug-in unit, ac analog input plug-in unit are to receive induction signal by IO hardwire mode, Communication module receives induction signal by Third party system communication mode, and two kinds of acquisition modes are selected by the setting control word of device；

It is logical with the telemechanical based on VPN of area power control centre that described wireless module is used for realizing quickly regulating integrated apparatus Road；

Described CPU card includes that meritorious power control module, Reactive Power Control module, method of operation handover module, definite value are bent Wire management module, off-line closed loop test module；

Described Reactive Power Control module, instructs and the deviation of actual measurement busbar voltage according to power station high voltage bus voltage target, with And the excitation system of each Hydropower Unit in the idle control strategy coordination station set, control result fast by described power station power The field regulator interface output of output switch parameter plug-in unit each Hydropower Unit in station of velocity modulation joint integrated apparatus increases magnetic, subtracts magnetic Pulse signal；

Described active power controller module, target instruction target word of always gaining merit according to the power station meritorious deviation exerted oneself total with actual measurement, Yi Jishe Fixed real power control strategy, coordinates the governing system of interior each the unit in station, real on the basis of considering Hydropower Unit vibrating area factor Existing active power load dispatching and automatic start-stop machine, controlled result and quickly regulated the switching value of integrated apparatus by described power station power Output inserter speed regulator interface of each Hydropower Unit in station sends speedup, slows down, starts shooting, shuts down pulse signal, it is achieved water Gain merit the quick regulation exerted oneself in power station；

Described off-line closed loop test module, is responsible in disconnection mode, by providing the external Virtual signal needed for device, it is achieved The off-line closed loop test function of device；

Described method of operation handover module is responsible for remote control, Plan Curve, the switching of the artificial multiple method of operation and function throwing and is moved back；

Described the settled value curve management module be responsible for device control parameters, security constraint, function selecting definite value and the calling of Plan Curve, Lower dress, storage, editting function are safeguarded.

Quick regulation system the most according to claim 3, it is characterised in that:

Described power station power quickly regulates integrated apparatus, possesses plant stand level active power and quickly regulates velocity modulation fast with reactive power The function of joint, and there is autonomy, concertedness, rapidity feature:

Rapidity is embodied in relative to other energy water group of motors start and stop, the rapidity of regulation and the rapidity of device, Yi Jineng Enough deviations according to target instruction target word Yu measured value, are regulated by variable step and the dead time, and quickly regulation puts in place and is avoided that vibration, The quick feature of small power station's start and stop simultaneously inherently has good fm capacity, by installing fast at the small hydropower station of dense distribution Velocity modulation joint integrated apparatus so that small hydropower station possesses the ability participating in the control of regional power grid power coordination, utilizes small hydropower station to adjust Save quick feature, participate in regional power grid power adjustments by constellation effect；

Described autonomy refers to: in Plan Curve and manual type, and quickly regulation integrated apparatus can be according to the meter arranged in advance The target instruction target word that tracing instruction and operator manually set, carries out independent tune not relying on area power control centre on the spot Joint；Simultaneously by the real-time supervision to bus frequency, the system frequency deviation caused for wind power output fluctuating factor is automatically to having Merit always instructs and is modified and responds immediately, and security constraints locking, the hiding of vibrating area, start and stop function are all by filling Put and independently complete in side, power station, it is not necessary to area power control centre intervenes；

Described concertedness refers to: the described quick regulation integrated apparatus operating in different power station is operated in remote control mode, it is possible to Control centre is regulated by closed loop control, co-ordination, it is achieved stabilize the target of system power fluctuation with area power.

Described communication telecontrol channel, it is achieved remote measurement between small hydropower station and area power control centre, remote signalling, remote control, distant The communication of adjusting data, for possessing the power station first-selection dispatch data net of wired telemechanical communication condition, for not possessing scheduling data The small hydropower station of net condition, system uses the VPN wireless remote based on Ipsec between power station and area power control centre Communication mode.

Described power station power quickly regulates integrated apparatus off-line closed loop test interface module, based on reversely establishing water power Stand and quickly regulate external model and the virtual execution environment of system off-line closed loop test, the described quick regulation integrated apparatus of system By off-line closed loop test interface unit receive virtual high voltage bus voltage, each Hydropower Unit meritorious, idle go out force data, Send increasing magnetic, subtract magnetic, speedup, speed-down action instruction, quickly regulate the exploitation of integrated apparatus at described power station power, go out Factory's test, scene can be used for the test of its off-line closed-loop characteristic before putting into operation.

7. power station based on intensive small hydropower system power quickly regulates an implementation method, and described method is based on existing intensive point The small hydropower system of cloth, by Hydropower Unit active power and the quick regulation of reactive power, stabilizes wind power output and fluctuates to electrical network band The impact come, it is characterised in that described implementation method comprises the following steps:

Step 2: quickly regulate integrated apparatus as execution substation, plant stand side, collection plant stand at installation power station, side, power station power End multiple stage Hydropower Unit active power, the coordinated control function of reactive power are integrated, by the cluster of scale Small Hydropower Stations Effect feasible region power quickly regulates；

Step 3: quickly regulate in described area power regulation control centre and power station power communication is set between integrated apparatus With remote channel, according to field condition selection scheduling data network or VPN communication based on IPsec；

Power station the most according to claim 7 power quickly regulates implementation method, it is characterised in that:

In step 4, area power control centre is according to wind power prediction system, the data of small power station's load prediction system, shape Become generation schedulecurve a few days ago, and give ginseng by burden with power according to different priority and pro rate according to this generation schedulecurve Each small hydropower station run with combined optimization, by ensureing that the busbar voltage collecting transformer station of small hydropower station is at specified operation model In enclosing, not past substation bus bar voltage high limit and lower bound, determine the target instruction target word of power station high voltage bus voltage.