CN106655154A - Self-adaptive emergency control system and method for the overload of power system device - Google Patents
Self-adaptive emergency control system and method for the overload of power system device Download PDFInfo
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- CN106655154A CN106655154A CN201610889749.5A CN201610889749A CN106655154A CN 106655154 A CN106655154 A CN 106655154A CN 201610889749 A CN201610889749 A CN 201610889749A CN 106655154 A CN106655154 A CN 106655154A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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Abstract
The invention discloses a self-adaptive emergency control system and method for the overload of power system device which belongs to the power system security and stability control field. According to the invention, a self-adaptive emergency control system for the overload of power system device is proposed which is structured by a scheduling end central station and a factory station end control station. The scheduling end central station is responsible for calculating the sensitivity of the active power of a controllable device under a normal state or a predicted state to the active power of a monitored device and delivering the mode words representing different running states and the corresponding sensitivity information to the factory station end control station. The factory station end control station is responsible for taking emergency control steps under the principle of controlling the cost to the minimum through the search of the corresponding sensitivity information according to the real time mode words and in combination with the controllable amount of the controllable device and the control cost for the active power per unit. With the system and method, the fault does not have to be re-initiated; the urgent modulation of DC power, transfer load, emergency control of new energy power plant active power, cutting motor and load shedding measures are considered, allowing the system and method to be widely applied.
Description
Technical field
The invention belongs to power system safety and stability control technology field, more precisely, the present invention relates to a kind of electric power
The self adaptation emergency control system and method for system equipment overload.
Background technology
Load fluctuation, generated output fluctuation, straight-flow system changed power and equipment are thrown/are moved back etc. and may all cause circuit, become
Depressor transships.For slight overload problem, due to allowing the time of continuous service long, the operation control of dispatcher can be passed through
Make to eliminate overload, be not result in that equipment trips because of overload, to power system safety and stability problem is brought.For heavy overload
Problem, due to allowing the time of continuous service short, the operation control of dispatcher is difficult to meet the control of equipment heavy overload to the time
Urgent requirement, needs using the means of emergent control come the heavy overload of abatement apparatus.
Patent " bulk power grid transships centralized decision-making real time emergency control method " (ZL 200710135096.2) is proposed in plant stand
When end control device detects circuit overload, overload circuit, controllable measure and emergency control policy computations are sent to into tune
Degree center, the emergency control policy for starting control centre is calculated, to be calculated to go out to eliminate after the emergency control policy of circuit overload, then
The control device at plant stand end is handed down to, controllable device is implemented to control.The method is to detect circuit in plant stand end control device
Just start to calculate emergency control policy after overload, because electric power system tide profile data generates the calculating with emergency control policy
All there is uncertainty in the time, requirement of the equipment heavy overload control to time urgency can not be met sometimes.Additionally, the method
Also to enter interacting for row information with control centre after plant stand end control device detects circuit overload, could be to power system reality
Control is applied, its reliability and real-time are also difficult to weigh.
The content of the invention
The present invention seeks to：Meet the real-time and reliability requirement of emergent control, be to eliminate Operation of Electric Systems equipment
Heavy overload, there is provided it is a kind of be independent of Off-line control strategy, control Least-cost self adaptation emergency control system and method.
The present invention general principle be：For the heavy overload of equipment, control on the premise of control accuracy is ensured
Ageing, reliability is most important, for this purpose, the system architecture of dispatching terminal central station and plant stand end control station is employed, in scheduling
Central station control station controllable measure in plant stand end under line computation current operating conditions and anticipation running status in end is tight to abatement apparatus
The sensitivity transshipped again, and flush in the control station of plant stand end, it is ensured that the decision basis of control accuracy；In plant stand end control station
The judgement of the equipment of carrying out heavy overload, when plant stand side control station detects equipment heavy overload, preserves from plant stand end control station
Various running statuses table corresponding with sensitivity information in, select with supervision equipment throw/move back state identical running status in real time
Corresponding sensitivity information, with reference to the unit real power control cost index of controllable measure, formulates the urgent of control Least-cost
Control measure, it is ensured that the ageing and reliability of control.
Specifically, the present invention specifically adopts following technical scheme：
A kind of self adaptation emergency control system of power system device overload, including dispatching terminal central station real time information acquisition
Module, dispatching terminal central station power flow equation are set up in module, dispatching terminal central station trend Calculation of Sensitivity module and dispatching terminal
Center station sensitivity information is issued and send module, plant stand end control station sensitivity information to connect in module and the control station real time information of plant stand end
Generation and performing module by module and plant stand end control station monitoring device overload post-emergency control strategy, wherein：
The dispatching terminal central station real time information acquisition module is responsible for by the loop cycle calling plant stand end control station of setting
Real measured data, including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle information, and by real time information
The acquisition moment is designated as t0, for each plant stand end control station, its affiliated supervision equipment is designated as into A, its affiliated monitoring device is remembered
For B, its affiliated controllable device is designated as into C；
Control station affiliated supervision equipment in the plant stand end refers to that it throws/move back state, active and idle by plant stand end control
Stand collection, or the equipment for being forwarded to the plant stand end control station by other plant stand end control stations；
Control station affiliated monitoring device in the plant stand end refers to that its overload problem is responsible to define control by the plant stand end control station
System strategy and the equipment for starting control；
Control station affiliated controllable device in the plant stand end refers to that the plant stand end control station can implement emergent control and arrange to it
The equipment applied, corresponding emergent control measure includes urgent modulation straight-flow system power, turns for load, emergent control new forms of energy electricity
Factory is active to exert oneself, cuts generator and cutting load, and wherein active the exerting oneself of emergent control new forms of energy power plant is by cutting off new forms of energy electricity
The grid-connected feeder line of unit is realizing in factory；
The dispatching terminal central station power flow equation set up module be responsible for the supervision equipment for keeping being sent on the control station of plant stand end,
The throwing of monitoring device and controllable device/move back under active and idle all constant constraint, with reference to the electricity of dispatch automated system collection
Force system real-time traffic information, sets up the power flow equation of reflection Real-Time Power System Operation States, and by corresponding t0As this
Operation of Electric Systems section moment t corresponding to power flow equations；
The dispatching terminal central station trend Calculation of Sensitivity module is responsible for setting up the trend that module is obtained based on power flow equation
Equation, for each plant stand end control station, under the normal operating condition of supervision equipment throwing/regression and examines in its A is not considered
Under considering each anticipation running status of single or multiple supervision equipment throwing/regressions in its A, calculate in its C that each can respectively
The active sensitivity active to each monitoring device in its B of control equipment, generation includes monitoring device name, controllable device name and controllable
The active sensitivity information active to monitoring device of equipment in interior bivariate table, and by supervision equipment name under each running status and
It throws/and the state of moving back is defined as " mode word ", and bivariate table is associated with corresponding " mode word ", if there is the A of plant stand end control station
When the anticipation running status of middle supervision equipment throwing/regression is n, then the plant stand end control station corresponds to n+1 bivariate table；
The dispatching terminal central station sensitivity information issues module to be responsible for according to bivariate table information and plant stand end control station
Corresponding relation, all bivariate table information that trend Calculation of Sensitivity module is obtained and its " the mode word " of association stamp markers
ts, it is separately sent to corresponding plant stand end control station；
The calling that module is responsible for being issued according to dispatching terminal central station is sent to instruct in the plant stand end control station real time information
Send the real measured data of plant stand end control station, including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle letter
Breath, for the new forms of energy power plant in controllable device, throws/moves back, also needs in addition to active and idle information except gathering new forms of energy power plant
Gather the active of resectable set grid-connection feeder line in factory, but the information not on deliver to dispatching terminal central station；
The plant stand end control station sensitivity information receiving module is responsible for receiving the bivariate table letter that dispatching terminal central station is issued
Breath and its " the mode word " and markers t that associatesAnd update preservation；
The generation of the plant stand end control station monitoring device overload post-emergency control strategy and performing module are responsible in detection
Electric current to monitoring device exceedes its overload emergent control current setting value and the duration is more than overload duration threshold value and works as
Front moment and markers t of bivariate tablesBetween duration be less than sensitivity information effective time setting value when, according to current time supervise
State is thrown/moved back depending on equipment, corresponding bivariate table is selected, controllable device is active to transshipping most serious in meter and selected bivariate table
The active sensitivity of monitoring device and its unit real power control cost index, formulate emergent control measure collection, and to power system
Implement emergent control；
The monitoring device of the overload most serious refers to its electric current with the ratio maximum of overload emergent control current setting value
Monitoring device.
The self adaptation emergency control method of the power system device overload corresponding with said system, specifically includes following step
Suddenly：
The step of sending in the control station real time information of plant stand end：The calling that plant stand end control station is issued according to dispatching terminal central station
Instruct to dispatching terminal central station it is real-time on send the real measured data of plant stand end control station, including supervision equipment, monitoring device and controllable
The throwing of equipment/move back, active and idle information, for the new forms of energy power plant in controllable device, throw except gathering new forms of energy power plant/
Move back, also need to gather the active of resectable set grid-connection feeder line in factory outside active and idle information, but the information not on give
To dispatching terminal central station；
The step of dispatching terminal central station real time information is obtained：Dispatching terminal central station calls plant stand end by the loop cycle of setting
The real measured data sent on control station, including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle information, and
The real time information acquisition moment is designated as into t0, for each plant stand end control station, its affiliated supervision equipment is designated as into A, by belonging to it
Monitoring device is designated as B, and its affiliated controllable device is designated as into C；
Control station affiliated supervision equipment in the plant stand end refers to that it throws/move back state, active and idle by plant stand end control
Stand collection, or the equipment for being forwarded to the plant stand end control station by other plant stand end control stations；
Control station affiliated monitoring device in the plant stand end refers to that its overload problem is responsible to define control by the plant stand end control station
System strategy and the equipment for starting control；
Control station affiliated controllable device in the plant stand end refers to that the plant stand end control station can implement emergent control and arrange to it
The equipment applied, corresponding emergent control measure includes urgent modulation straight-flow system power, turns for load, emergent control new forms of energy electricity
Factory is active to exert oneself, cuts generator and cutting load, and wherein active the exerting oneself of emergent control new forms of energy power plant is by cutting off new forms of energy electricity
The grid-connected feeder line of unit is realizing in factory；
The step of dispatching terminal central station power flow equation is set up：Dispatching terminal central station is in the prison for keeping being sent on the control station of plant stand end
Depending on the throwing/move back under active and idle all constant constraint of equipment, monitoring device and controllable device, adopt with reference to dispatch automated system
The power system real-time traffic information of collection, sets up the power flow equation of reflection Real-Time Power System Operation States, and by corresponding t0
As the Operation of Electric Systems section moment t corresponding to the power flow equations；
The step of dispatching terminal central station trend Calculation of Sensitivity：Dispatching terminal central station is set up module and is obtained based on power flow equation
Power flow equation, for each plant stand end control station, the normal operating condition of supervision equipment throwing/regression in its A is not considered
Descend and consider in its A under each anticipation running status of single or multiple supervision equipment throwing/regressions, during its C is calculated respectively
The active sensitivity active to each monitoring device in its B of each controllable device, generation includes monitoring device name, controllable device name
The sensitivity information active to monitoring device active with controllable device sets monitoring under each running status in interior bivariate table
Standby name and its throwing/state of moving back are defined as " mode word ", and for plant stand end control station corresponding running status is represented, by bivariate table with
Accordingly " mode word " is associated, if the anticipation running status for having supervision equipment throwing/regression in the A of plant stand end control station is n
When individual, then the plant stand end control station corresponds to n+1 bivariate table；
The step of dispatching terminal central station sensitivity information is issued：Dispatching terminal central station is controlled according to bivariate table information and plant stand end
The corresponding relation at system station, all bivariate table information that trend Calculation of Sensitivity module is obtained and its " the mode word " of association are beaten
Upper markers ts, it is separately sent to corresponding plant stand end control station；
The step of plant stand end control station sensitivity information receives：Plant stand end control station receives dispatching terminal central station is issued two
Dimension table information and its " the mode word " and markers t of associationsAnd update preservation；
The step of generation and execution of plant stand end control station monitoring device overload post-emergency control strategy：When the control of plant stand end
Station detects the electric current of monitoring device more than its overload emergent control current setting value and the duration is more than overload duration threshold
Value and current time tcWith markers t of bivariate tablesBetween duration when being less than sensitivity information effective time setting value, root first
According to tcMoment supervision equipment is thrown/moves back right between state and the anticipation running status represented by " mode word " associated by bivariate table
Should be related to, select corresponding bivariate table, then, the active monitoring to transshipping most serious of controllable device in meter and selected bivariate table
The active sensitivity of equipment, with reference to the unit real power control cost index of controllable device, formulates emergent control measure collection, and to electricity
Force system implements emergent control；
The monitoring device of the overload most serious refers to its electric current with the ratio maximum of overload emergent control current setting value
Monitoring device.
Further, in the step of the generation and execution of plant stand end control station monitoring device overload post-emergency control strategy,
The selection of bivariate table is specifically included：
If the throwing of each supervision equipment in " the mode word " associated by bivariate table/move back state all sets with same monitoring respectively
Standby tcState is identical for the throwing at moment/move back, then using the bivariate table as selected bivariate table.
Further, in the step of the generation and execution of plant stand end control station monitoring device overload post-emergency control strategy,
The formulation of emergent control measure collection comprises the steps：
A-1) it is directed to tcStraight-flow system in moment controllable device, if straight-flow system conveying power pair in selected bivariate table
The sensitivity that the monitoring device of overload most serious is active sets threshold value ε more than active po wer sensitivity, then by the straight-flow system power
Emergency descent measure and its tcThe power increment maximum that moment can decline is added in effective controllable measure collection EM；If selecting
The straight-flow system conveying power sensitivity active to the monitoring device of overload most serious in bivariate table is less than-ε, then by the direct current system
System power emergency lifting measure and its tcThe power increment maximum that moment can be lifted is added in EM；
For tcTurning in moment controllable device supplies load, if selected bivariate table transfer is active most tight to transshipping for load
The sensitivity that the monitoring device of weight is active is more than ε, then by this turn for load measure and its tcMoment is active to be added in EM；
For tcNew forms of energy power plant in moment controllable device, if new forms of energy power plant is active to overload in selected bivariate table
The sensitivity that the monitoring device of most serious is active is more than ε, then by the active emergent control measure of the new forms of energy power plant and its tcMoment
Maximum controlled amounts are added in EM；
For tcGenerator in moment controllable device, if generated power is to transshipping most serious in selected bivariate table
The active sensitivity of monitoring device is more than ε, then by the generator excision measure and its tcMoment is active to be added in EM；
For tcLoad in moment controllable device, if the active monitoring to transshipping most serious of load in selected bivariate table
The active sensitivity of equipment is more than ε, then by the load excision measure and its tcMoment is active to be added in EM；
Into step A-2)；
A-2) first, whether it is more than 0 according to the unit real power control cost index of each measure in EM, control in EM is arranged
Apply and be ranked up, unit real power control cost index is all come into unit real power control cost index more than the control measure for 0
Behind 0 control measure, then, had according to the active monitoring device to transshipping most serious of control measure in selected bivariate table
The order that the sensitivity absolute value of work(is descending is entered to the control measure that the unit real power control cost index for coming anteposition is 0
The minor sort of row two, it is exhausted according to the sensitivity that the active monitoring device to transshipping most serious of control measure in selected bivariate table is active
The order descending to the ratio of value and its unit real power control cost index is to coming the unit real power control cost of rear position
Control measure of the index more than 0 carry out two minor sorts, into step A-3)；
A-3) according to the sequence of control measure in EM, from the beginning of the control measure for ranking the first, by increasing control one by one
Measure, wherein, the control measure active for urgent modulation straight-flow system power and emergent control new forms of energy power plant, corresponding
Real power control amount is gradually increased in power increment space, for the control measure for turning for load, cutting generator and cutting load, it has
The active equal and disposable increase of work(controlled quentity controlled variable and corresponding control measure, until the real power control of increasedd control measure
Amount with its in selected bivariate table to transshipping the absolute value sum of both active po wer sensitivities product of the monitoring device of most serious
More than by formula (1) if the active Δ P that calculates and reducing the real power control amount of control measure or reducing plus a control is arranged
The sum of products is applied less than the active Δ P calculated by formula (1), then having the control measure of all increases and its determination
Work(controlled quentity controlled variable is used as emergent control measure collection to be embodied；If being capable of determining that emergent control measure collection to be embodied, enter
Enter step A-4), otherwise, respectively by the active emergent control measure t of each new forms of energy power plant in EMcMoment the new forms of energy power plant
Interior resectable all set grid-connection feeder lines then using the EM after process as emergent control measure collection, and send control substituting
The not enough warning information of amount；
Wherein, λ be setting premature beats coefficient, IcrTo transship the overload emergent control electric current of the monitoring device of most serious
Setting value, I is the electric current of the monitoring device for transshipping most serious, and P is the active of the monitoring device of overload most serious；
A-4) if emergent control measure to be embodied is concentrated with the active emergent control measure of new forms of energy power plant, first it is directed to
The active emergent control measure of new forms of energy power plant that emergent control measure to be embodied is concentrated, according to its real power control amount, tcWhen
The active of set grid-connection feeder line in resectable new forms of energy power plant is carved, it is excellent by combining according to not owing to cut, crossing the amount of cutting minimum principle
Change and select set grid-connection feeder line in the new forms of energy power plant for needing to implement control, concentrated with substituting emergent control measure to be embodied
The corresponding active emergent control measure of new forms of energy power plant, then using process after emergent control measure collection to be embodied as urgent
Control measure collection, otherwise, by emergent control measure collection to be embodied directly as emergent control measure collection.
Following technique effects are achieved by adopting above-mentioned technical proposal, the present invention：
Compared with the effect that existing bulk power grid transships centralized decision-making Real-time Emergency Control technical scheme, the present invention is also to adopt
Calculation of Sensitivity of the controllable measure to apparatus overload is carried out with based on the power flow equation of reflection operation states of electric power system, then is based on
Sensitivity and control cost index formulate emergent control measure, the two design in Control performance standard and controllable measure controlled amounts
Process on some differences, on the whole, less, but technical scheme is closer to reality for the control accuracy difference of the two
Border.The present invention adopts sensitivity of the dispatching terminal central station in the controllable measure of line computation to apparatus overload, and plant stand end control station is in inspection
After measuring equipment heavy overload, the controllable measure for obtaining is precalculated online according to dispatching terminal central station to the sensitive of apparatus overload
Degree and its unit real power control cost index, formulate can abatement apparatus heavy overload and control Least-cost emergent control arrange
Apply, and power system is implemented to control.Wherein to formulate the two separate for Calculation of Sensitivity and emergent control measure, on the one hand,
Even if dispatching terminal central station communicates problematic with plant stand end control station, also it is not result in plant stand end control station to detect equipment tight
Also normally could send to dispatching terminal central station when dispatching terminal central station and plant stand end control station communication recovery transship again after
Computations, on the other hand, the time length that calculates of dispatching terminal central station does not interfere with the time delay that emergent control is implemented, because
This, the reliability and real-time of the present invention is higher.
Description of the drawings
Formulate tight in the step of Fig. 1 is the generation and execution of monitoring device overload post-emergency control strategy in the inventive method
The particular flow sheet of anxious control measure collection.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment one
Present embodiment discloses a kind of self adaptation emergency control system of power system device overload, including dispatching terminal center
Stand real time information acquisition module, dispatching terminal central station power flow equation sets up module, dispatching terminal central station trend Calculation of Sensitivity mould
Block and dispatching terminal central station sensitivity information issue and module, the control of plant stand end are sent in module and the control station real time information of plant stand end
The generation of sensitivity information receiving module of standing and plant stand end control station monitoring device overload post-emergency control strategy and execution mould
Block, wherein：
The dispatching terminal central station real time information acquisition module is responsible for by cycle (generally the may be configured as 10s) circulation of setting
The real measured data of calling plant stand end control station, it is including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle
Information, and the real time information acquisition moment is designated as into t0, for each plant stand end control station, its affiliated supervision equipment is designated as into A, will
Its affiliated monitoring device is designated as B, and its affiliated controllable device is designated as into C；
Control station affiliated supervision equipment in the plant stand end refers to that it throws/move back state, active and idle by plant stand end control
Stand collection, or the equipment for being forwarded to the plant stand end control station by other plant stand end control stations；
Control station affiliated monitoring device in the plant stand end refers to that its overload problem is responsible to define control by the plant stand end control station
System strategy and the equipment for starting control；
Control station affiliated controllable device in the plant stand end refers to that the plant stand end control station can implement emergent control to it
Equipment, corresponding controllable measure include urgent modulation straight-flow system power, turn for load, emergent control new forms of energy power plant it is active go out
Power, generator and cutting load are cut, wherein active the exerting oneself of emergent control new forms of energy power plant is by cutting off unit in new forms of energy power plant
Grid-connected feeder line realizing；
The dispatching terminal central station power flow equation set up module be responsible for the supervision equipment for keeping being sent on the control station of plant stand end,
The throwing of monitoring device and controllable device/move back under active and idle all constant constraint, with reference to the electricity of dispatch automated system collection
Force system real-time traffic information, sets up the power flow equation of reflection Real-Time Power System Operation States, and by corresponding t0As this
Operation of Electric Systems section moment t corresponding to power flow equations；
The dispatching terminal central station trend Calculation of Sensitivity module is responsible for setting up the trend that module is obtained based on power flow equation
Equation, for each plant stand end control station, under the normal operating condition of supervision equipment throwing/regression and examines in its A is not considered
Under considering each anticipation running status of single or multiple supervision equipment throwing/regressions in its A, calculate in its C that each can respectively
The active sensitivity active to each monitoring device in its B of control equipment, generation includes monitoring device name, controllable device name and controllable
The active sensitivity information active to monitoring device of equipment in interior bivariate table, and by supervision equipment name under each running status and
It throws/and the state of moving back is defined as " mode word ", and bivariate table is associated with corresponding " mode word "；If there is the A of plant stand end control station
When the anticipation running status of middle supervision equipment throwing/regression is n, then the plant stand end control station corresponds to n+1 bivariate table；
The dispatching terminal central station sensitivity information issues module to be responsible for according to bivariate table information and plant stand end control station
Corresponding relation, all bivariate table information that trend Calculation of Sensitivity module is obtained and its " the mode word " of association stamp markers
ts, it is separately sent to corresponding plant stand end control station；
The calling that module is responsible for being issued according to dispatching terminal central station is sent to instruct in the plant stand end control station real time information
Send the real measured data of plant stand end control station, including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle letter
Breath, for the new forms of energy power plant in controllable device, throws/moves back, also needs in addition to active and idle information except gathering new forms of energy power plant
Gather the active of resectable set grid-connection feeder line in factory, but the information not on deliver to dispatching terminal central station；
The plant stand end control station sensitivity information receiving module is responsible for receiving the bivariate table letter that dispatching terminal central station is issued
Breath and its " the mode word " and markers t that associatesAnd update preservation；
The generation of the plant stand end control station monitoring device overload post-emergency control strategy and performing module are responsible in detection
Electric current to monitoring device exceedes its overload emergent control current setting value (according to management and running control procedure and equipment excessively stream guarantor
Shield configuration is configured) and the duration more than overload duration threshold value (generally may be configured as 5s) and current time tcWith two dimension
Markers t of tablesBetween duration when being less than sensitivity information effective time setting value (generally may be configured as 3 minutes), root first
According to tcState is thrown/moved back to moment supervision equipment, selects corresponding bivariate table, and then, there be controllable device in meter and selected bivariate table
The work(sensitivity active to the monitoring device of overload most serious and its unit real power control cost index, formulate emergent control measure
Collection, and emergent control is implemented to power system；
The monitoring device of the overload most serious refers to its electric current with the ratio maximum of overload emergent control current setting value
Monitoring device.
The self adaptation emergency control method of the power system device overload corresponding with said system, specifically include plant stand
The step of the step of sending in the control station real time information of end, dispatching terminal central station real time information are obtained, dispatching terminal central station trend side
The step that the step of the step of Cheng Jianli, dispatching terminal central station trend Calculation of Sensitivity, dispatching terminal central station sensitivity information are issued
Suddenly the step of, plant stand end control station sensitivity information receives and plant stand end control station monitoring device transship post-emergency control strategy
The step of generating and perform totally seven steps：
The step of by sending in the control station real time information of plant stand end, plant stand end control station is issued according to dispatching terminal central station
Calling instruction to dispatching terminal central station it is real-time on send the real measured data of plant stand end control station, including supervision equipment, monitoring device and
The throwing of controllable device/move back, active and idle information, for the new forms of energy power plant in controllable device, except gathering new forms of energy power plant
Throw/move back, also need to gather the active of resectable set grid-connection feeder line in factory outside active and idle information, but the information does not go up
Deliver to dispatching terminal central station；
The step of being obtained by dispatching terminal central station real time information, dispatching terminal central station calls factory by the loop cycle of setting
Stand the real measured data sent on the control station of end, including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle letter
Breath, and the real time information acquisition moment is designated as into t0, for each plant stand end control station, its affiliated supervision equipment is designated as into A, by it
Affiliated monitoring device is designated as B, and its affiliated controllable device is designated as into C；
The step of being set up by dispatching terminal central station power flow equation, dispatching terminal central station is keeping being sent on the control station of plant stand end
Supervision equipment, monitoring device and controllable device throwing/move back under active and idle all constant constraint, with reference to scheduling automated
The power system real-time traffic information of system collection, sets up the power flow equation of reflection Real-Time Power System Operation States, and will be corresponding
T0As the Operation of Electric Systems section moment t corresponding to the power flow equations；
The step of by dispatching terminal central station trend Calculation of Sensitivity, dispatching terminal central station sets up module based on power flow equation
The power flow equation for obtaining, for each plant stand end control station, the normal operation of supervision equipment throwing/regression in its A is not considered
Under state and consider its A in single or multiple supervision equipment throwings/regressions each envision running status under, it is calculated respectively
The active sensitivity active to each monitoring device in its B of each controllable device in C, generation includes monitoring device name, controllable sets
Standby name and the active sensitivity information active to monitoring device of controllable device will be supervised in interior bivariate table under each running status
" mode word " is defined as depending on implementor name and its throwing/state of moving back, corresponding running status is represented for plant stand end control station, by two dimension
Table is associated with corresponding " mode word ", if there is the anticipation running status of supervision equipment throwing/regression in the A of plant stand end control station
For n when, then n+1 bivariate table of plant stand end control station correspondence；
The step of being issued by dispatching terminal central station sensitivity information, dispatching terminal central station is according to bivariate table information and plant stand
The corresponding relation of end control station, all bivariate table information that trend Calculation of Sensitivity module the is obtained and its " mode of association
Word ", stamps markers ts, it is separately sent to corresponding plant stand end control station；
The step of being received by plant stand end control station sensitivity information, plant stand end control station is received dispatching terminal central station and is issued
Bivariate table information and its association " mode word " and markers tsAnd update preservation；
The step of transshipping the generation of post-emergency control strategy and perform by plant stand end control station monitoring device, when plant stand end
Control station detects the electric current of monitoring device more than its overload emergent control current setting value and the duration is more than overload duration
Threshold value and current time tcWith markers t of bivariate tablesBetween duration when being less than sensitivity information effective time setting value, it is first
First according to tcMoment supervision equipment is thrown/is moved back between state and the anticipation running status represented by " mode word " associated by bivariate table
Corresponding relation, select corresponding bivariate table, then, controllable device is active to transshipping most serious in meter and selected bivariate table
The active sensitivity of monitoring device, with reference to the unit real power control cost index of controllable device, formulates emergent control measure collection, and
Emergent control is implemented to power system；
Wherein, in the step of the generation and execution of plant stand end control station monitoring device overload post-emergency control strategy, two
The selection of dimension table is specifically included：If the throwing of each supervision equipment in " the mode word " associated by bivariate table/move back state all respectively with
Same supervision equipment tcState is identical for the throwing at moment/move back, then using the bivariate table as selected bivariate table.
In the step of the generation and execution of plant stand end control station monitoring device overload post-emergency control strategy, formulate urgent
The particular flow sheet of control measure collection is as shown in Figure 1：
Step 1 in Fig. 1：For tcStraight-flow system in moment controllable device, if straight-flow system is defeated in selected bivariate table
Send the power sensitivity active to the monitoring device of overload most serious (generally can arrange more than active po wer sensitivity setting threshold value ε
For 0.2), then by the straight-flow system power emergency descent measure and its tcThe power increment maximum that moment can decline has been added to
In imitating controllable measure collection EM；If straight-flow system conveying power is active to the monitoring device of overload most serious in selected bivariate table
Sensitivity is less than-ε, then by the straight-flow system power emergency lifting measure and its tcThe power increment maximum that moment can be lifted adds
Enter in EM；
For tcTurning in moment controllable device supplies load, if selected bivariate table transfer is active most tight to transshipping for load
The sensitivity that the monitoring device of weight is active is more than ε, then by this turn for load measure and its tcMoment is active to be added in EM；
For tcNew forms of energy power plant in moment controllable device, if new forms of energy power plant is active to overload in selected bivariate table
The sensitivity that the monitoring device of most serious is active is more than ε, then by the active emergent control measure of the new forms of energy power plant and its tcMoment
Maximum controlled amounts are added in EM；
For tcGenerator in moment controllable device, if generated power is to transshipping most serious in selected bivariate table
The active sensitivity of monitoring device is more than ε, then by the generator excision measure and its tcMoment is active to be added in EM；
For tcLoad in moment controllable device, if the active monitoring to transshipping most serious of load in selected bivariate table
The active sensitivity of equipment is more than ε, then by the load excision measure and its tcMoment is active to be added in EM；
Into step 2；
Step 2 in Fig. 1：First, whether it is more than 0 according to the unit real power control cost index of each measure in EM, to EM
Middle control measure are ranked up, and unit real power control cost index is all come into unit real power control more than the control measure for 0
Cost index is behind 0 control measure, then, according to the active prison to transshipping most serious of control measure in selected bivariate table
The descending order of the active sensitivity absolute value of control equipment is to control that the unit real power control cost index for coming anteposition is 0
Measure processed carries out two minor sorts, active according to the active monitoring device to transshipping most serious of control measure in selected bivariate table
The sensitivity absolute value order descending with the ratio of its unit real power control cost index is active to the unit for coming rear position
Control measure of the control cost index more than 0 carry out two minor sorts, into step 3；
Step 3 in Fig. 1：According to the sequence of control measure in EM, from the beginning of the control measure for ranking the first, by increasing one by one
Plus control measure, wherein, the control measure active for urgent modulation straight-flow system power and emergent control new forms of energy power plant,
Real power control amount is gradually increased in corresponding power increment space, for turning to arrange for load, the control for cutting generator and cutting load
Apply, the active equal and disposable increase of its real power control amount and corresponding control measure, until increasedd control measure
Real power control amount with its in selected bivariate table to transship the monitoring device of most serious both active po wer sensitivities product it is exhausted
To value sum more than passing through formula (1) if the active Δ P that calculates and reducing the real power control amount of control measure or reducing Jia one
The individual control measure sum of products less than the active Δ P calculated by formula (1), then by the control measure of all increases and its
It is determined that real power control amount as emergent control measure collection to be embodied；If being capable of determining that, emergent control to be embodied is arranged
Collection is applied, into step 4, otherwise, respectively by the active emergent control measure t of each new forms of energy power plant in EMcMoment the new forms of energy
Resectable all set grid-connection feeder lines to be substituting in power plant, then using the EM after process as emergent control measure collection, and send
The not enough warning information of controlled quentity controlled variable；
Wherein, λ be setting premature beats coefficient (being usually arranged as 1), IcrTo transship the mistake of the monitoring device of most serious
Emergent control current setting value is carried, I is the electric current of the monitoring device for transshipping most serious, and P is the monitoring device for transshipping most serious
It is active；
Step 4 in Fig. 1：If emergent control measure to be embodied is concentrated with the active emergent control measure of new forms of energy power plant,
The active emergent control measure of new forms of energy power plant then first concentrated for emergent control measure to be embodied, according to its real power control
Amount, tcSet grid-connection feeder line is active in moment resectable new forms of energy power plant, according to not owing to cut, crossing the amount of cutting minimum principle, leads to
Cross Combinatorial Optimization and select set grid-connection feeder line in the new forms of energy power plant for needing to implement control, to substitute emergent control to be embodied
The active emergent control measure of corresponding new forms of energy power plant is concentrated in measure, then by process after emergent control measure collection to be embodied
As emergent control measure collection, otherwise, by emergent control measure collection to be embodied directly as emergent control measure collection.
Although the present invention is disclosed as above with preferred embodiment, embodiment is not for limiting the present invention's.Not
Depart from the spirit and scope of the present invention, any equivalence changes done or retouching also belong to the protection domain of the present invention.Cause
The content that this protection scope of the present invention should be defined with claims hereof is as standard.
Claims (4)
1. the self adaptation emergency control system that a kind of power system device transships, it is characterised in that including dispatching terminal central station reality
When data obtaining module, dispatching terminal central station power flow equation set up module, dispatching terminal central station trend Calculation of Sensitivity module with
And dispatching terminal central station sensitivity information issues and module, the spirit of plant stand end control station is sent in module and the control station real time information of plant stand end
The generation of sensitivity information receiving module and plant stand end control station monitoring device overload post-emergency control strategy and performing module, its
In：
The dispatching terminal central station real time information acquisition module is responsible for the reality by the loop cycle calling plant stand end control station of setting
Measurement information, including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle information, and real time information is obtained
Moment is designated as t0, for each plant stand end control station, its affiliated supervision equipment is designated as into A, its affiliated monitoring device is designated as into B,
Its affiliated controllable device is designated as into C；
Control station affiliated supervision equipment in the plant stand end refers to that it throws/move back state, active and idle adopted by the plant stand end control station
Collection, or the equipment for being forwarded to the plant stand end control station by other plant stand end control stations；
Control station affiliated monitoring device in the plant stand end refers to that its overload problem is responsible to define control plan by the plant stand end control station
The equipment for omiting and starting control；
Control station affiliated controllable device in the plant stand end refers to that the plant stand end control station can implement emergent control measure to it
Equipment, corresponding emergent control measure includes urgent modulation straight-flow system power, turn to have for load, emergent control new forms of energy power plant
Work(is exerted oneself, cuts generator and cutting load, and wherein active the exerting oneself of emergent control new forms of energy power plant is by cutting off in new forms of energy power plant
The grid-connected feeder line of unit is realizing；
The dispatching terminal central station power flow equation is set up module and is responsible in the supervision equipment, monitoring for keeping being sent on the control station of plant stand end
The throwing of equipment and controllable device/move back under active and idle all constant constraint, with reference to the power train of dispatch automated system collection
System real-time traffic information, sets up the power flow equation of reflection Real-Time Power System Operation States, and by corresponding t0As the trend
Operation of Electric Systems section moment t corresponding to equations；
The dispatching terminal central station trend Calculation of Sensitivity module is responsible for setting up the power flow equation that module is obtained based on power flow equation,
For each plant stand end control station, in its A is not considered under the normal operating condition of supervision equipment throwing/regression and consider its A
In single or multiple supervision equipment throwing/regressions each anticipation running status under, each controllable device in its C is calculated respectively
The active sensitivity active to each monitoring device in its B, generation includes that monitoring device name, controllable device name and controllable device have
The work(sensitivity information active to monitoring device in interior bivariate table, and by supervision equipment name under each running status and its throwing/
The state of moving back is defined as " mode word ", and bivariate table is associated with corresponding " mode word ", if having in the A of plant stand end control station monitoring
When the anticipation running status of equipment throwing/regression is n, then the plant stand end control station corresponds to n+1 bivariate table；
The dispatching terminal central station sensitivity information issues module and is responsible for corresponding with plant stand end control station according to bivariate table information
Relation, all bivariate table information that trend Calculation of Sensitivity module is obtained and its " the mode word " of association stamp markers ts, point
It is not sent to corresponding plant stand end control station；
The calling that module is responsible for being issued according to dispatching terminal central station is sent to instruct Shang Song factories in the plant stand end control station real time information
Stand the real measured data of end control station, including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle information are right
New forms of energy power plant in controllable device, throws/moves back, also needs to collection in addition to active and idle information except gathering new forms of energy power plant
Resectable set grid-connection feeder line is active in factory, but the information not on deliver to dispatching terminal central station；
The plant stand end control station sensitivity information receiving module be responsible for receiving the bivariate table information that dispatching terminal central station issues and
" mode word " and markers t of its associationsAnd update preservation；
The generation of the plant stand end control station monitoring device overload post-emergency control strategy and performing module are responsible for detecting prison
The electric current of control equipment exceed its overload emergent control current setting value and the duration more than overload duration threshold value and it is current when
Carve markers t with bivariate tablesBetween duration be less than sensitivity information effective time setting value when, according to current time monitoring set
It is standby to throw/move back state, corresponding bivariate table is selected, the active monitoring to transshipping most serious of controllable device in meter and selected bivariate table
The active sensitivity of equipment and its unit real power control cost index, formulate emergent control measure collection, and power system is implemented
Emergent control；
The monitoring device of the overload most serious refers to the monitoring maximum with the ratio of overload emergent control current setting value of its electric current
Equipment.
2. the self adaptation emergency control method that a kind of power system device transships, it is characterised in that comprise the steps：
The step of sending in the control station real time information of plant stand end：Plant stand end control station is instructed according to the calling that dispatching terminal central station is issued
To dispatching terminal central station it is real-time on send the real measured data of plant stand end control station, including supervision equipment, monitoring device and controllable device
Throwing/move back, active and idle information, for the new forms of energy power plant in controllable device, throw/move back, have except gathering new forms of energy power plant
Also need to outside work(and idle information gather factory in resectable set grid-connection feeder line it is active, but the information not on deliver to scheduling
End central station；
The step of dispatching terminal central station real time information is obtained：Dispatching terminal central station is controlled by the loop cycle calling plant stand end of setting
The real measured data sent on standing, including the throwing of supervision equipment, monitoring device and controllable device/move back, active and idle information, and will be real
When the acquisition of information moment be designated as t0, for each plant stand end control station, its affiliated supervision equipment is designated as into A, by monitoring belonging to it
Equipment is designated as B, and its affiliated controllable device is designated as into C；
Control station affiliated supervision equipment in the plant stand end refers to that it throws/move back state, active and idle adopted by the plant stand end control station
Collection, or the equipment for being forwarded to the plant stand end control station by other plant stand end control stations；
Control station affiliated monitoring device in the plant stand end refers to that its overload problem is responsible to define control plan by the plant stand end control station
The equipment for omiting and starting control；
Control station affiliated controllable device in the plant stand end refers to that the plant stand end control station can implement emergent control measure to it
Equipment, corresponding emergent control measure includes urgent modulation straight-flow system power, turn to have for load, emergent control new forms of energy power plant
Work(is exerted oneself, cuts generator and cutting load, and wherein active the exerting oneself of emergent control new forms of energy power plant is by cutting off in new forms of energy power plant
The grid-connected feeder line of unit is realizing；
The step of dispatching terminal central station power flow equation is set up：Dispatching terminal central station sets in the monitoring for keeping being sent on the control station of plant stand end
The throwing of standby, monitoring device and controllable device/move back under active and idle all constant constraint, with reference to dispatch automated system collection
Power system real-time traffic information, sets up the power flow equation of reflection Real-Time Power System Operation States, and by corresponding t0As
Operation of Electric Systems section moment t corresponding to the power flow equations；
The step of dispatching terminal central station trend Calculation of Sensitivity：Dispatching terminal central station sets up the tide that module is obtained based on power flow equation
Flow equation, for each plant stand end control station, in its A is not considered under the normal operating condition of supervision equipment throwing/regression and
Under considering each anticipation running status of single or multiple supervision equipment throwing/regressions in its A, each is calculated in its C respectively
The active sensitivity active to each monitoring device in its B of controllable device, generation includes monitoring device name, controllable device name and can
The active sensitivity information active to monitoring device of control equipment in interior bivariate table, and by supervision equipment name under each running status
And its throw/state of moving back is defined as " mode word ", and for plant stand end control station corresponding running status is represented, by bivariate table with it is corresponding
" mode word " be associated, if having the anticipation running status of supervision equipment throwings/regression in the A of plant stand end control station for n,
Then the plant stand end control station corresponds to n+1 bivariate table；
The step of dispatching terminal central station sensitivity information is issued：Dispatching terminal central station is according to bivariate table information and plant stand end control station
Corresponding relation, all bivariate table information that trend Calculation of Sensitivity module is obtained and its " the mode word " of association, when stamping
Mark ts, it is separately sent to corresponding plant stand end control station；
The step of plant stand end control station sensitivity information receives：Plant stand end control station receives the bivariate table that dispatching terminal central station is issued
Information and its " the mode word " and markers t of associationsAnd update preservation；
The step of generation and execution of plant stand end control station monitoring device overload post-emergency control strategy：When the inspection of plant stand end control station
Measure monitoring device electric current exceed its overload emergent control current setting value and the duration more than overload duration threshold value and
Current time tcWith markers t of bivariate tablesBetween duration be less than sensitivity information effective time setting value when, first according to tc
The corresponding pass between state and the anticipation running status represented by " mode word " associated by bivariate table is thrown/moved back to moment supervision equipment
System, selects corresponding bivariate table, then, the active monitoring device to transshipping most serious of controllable device in meter and selected bivariate table
Active sensitivity, with reference to the unit real power control cost index of controllable device, formulates emergent control measure collection, and to power train
System implements emergent control；
The monitoring device of the overload most serious refers to the monitoring maximum with the ratio of overload emergent control current setting value of its electric current
Equipment.
3. the self adaptation emergency control method of power system device overload according to claim 2, is characterized in that, in plant stand
In the step of generation and execution of end control station monitoring device overload post-emergency control strategy, the selection of bivariate table is specifically included：
If the throwing of each supervision equipment in " the mode word " associated by bivariate table/move back state all respectively with same supervision equipment tc
State is identical for the throwing at moment/move back, then using the bivariate table as selected bivariate table.
4. the self adaptation emergency control method of power system device overload according to claim 2, is characterized in that, in plant stand
In the step of generation and execution of end control station monitoring device overload post-emergency control strategy, the formulation bag of emergent control measure collection
Include following steps：
A-1) it is directed to tcStraight-flow system in moment controllable device, if straight-flow system conveying power is to overload in selected bivariate table
The sensitivity that the monitoring device of most serious is active sets threshold value ε more than active po wer sensitivity, then the straight-flow system power is urgent
Decline measure and its tcThe power increment maximum that moment can decline is added in effective controllable measure collection EM；If selected two dimension
The straight-flow system conveying power sensitivity active to the monitoring device of overload most serious in table is less than-ε, then by the straight-flow system work(
The measure of rate emergency lifting and its tcThe power increment maximum that moment can be lifted is added in EM；
For tcTurning in moment controllable device supplies load, if selected bivariate table transfer is active to transshipping most serious for load
The active sensitivity of monitoring device is more than ε, then by this turn for load measure and its tcMoment is active to be added in EM；
For tcNew forms of energy power plant in moment controllable device, if new forms of energy power plant is active most tight to transshipping in selected bivariate table
The sensitivity that the monitoring device of weight is active is more than ε, then by the active emergent control measure of the new forms of energy power plant and its tcMoment is maximum
Controlled amounts are added in EM；
For tcGenerator in moment controllable device, if monitoring of the generated power to overload most serious in selected bivariate table
The active sensitivity of equipment is more than ε, then by the generator excision measure and its tcMoment is active to be added in EM；
For tcLoad in moment controllable device, if the active monitoring device to transshipping most serious of load in selected bivariate table
Active sensitivity is more than ε, then by the load excision measure and its tcMoment is active to be added in EM；
Into step A-2)；
A-2) first, whether it is more than 0 according to the unit real power control cost index of each measure in EM, control measure in EM is entered
Row sequence, it is 0 that unit real power control cost index is all come into unit real power control cost index more than the control measure for 0
It is then, active according to the active monitoring device to transshipping most serious of control measure in selected bivariate table behind control measure
The descending order of sensitivity absolute value carries out two to the control measure that the unit real power control cost index for coming anteposition is 0
Minor sort, according to the sensitivity absolute value that the active monitoring device to transshipping most serious of control measure in selected bivariate table is active
The order descending with the ratio of its unit real power control cost index is to coming the unit real power control cost index of rear position
Control measure more than 0 carry out two minor sorts, into step A-3)；
A-3) according to the sequence of control measure in EM, from the beginning of the control measure for ranking the first, by increasing control measure one by one,
Wherein, the control measure active for urgent modulation straight-flow system power and emergent control new forms of energy power plant, in corresponding power
Real power control amount is gradually increased in increment space, for the control measure for turning for load, cutting generator and cutting load, it has power control
The active equal and disposable increase of amount processed and corresponding control measure, until the real power control amount of increasedd control measure with
Its absolute value sum to transshipping both active po wer sensitivities product of the monitoring device of most serious in selected bivariate table is more than
By formula (1) if the active Δ P for calculating and reducing the real power control amount of control measure or reducing plus control measure should
The control measure of all increases and its determination are then had power control less than the active Δ P calculated by formula (1) by the sum of products
Amount processed is used as emergent control measure collection to be embodied；If emergent control measure collection to be embodied is capable of determining that, into step
Rapid A-4), otherwise, respectively by the active emergent control measure t of each new forms of energy power plant in EMcCan in the moment new forms of energy power plant
All set grid-connection feeder lines of excision then using the EM after process as emergent control measure collection, and send controlled quentity controlled variable not substituting
The warning information of foot；
Wherein, λ be setting premature beats coefficient, IcrTo transship the overload emergent control current settings of the monitoring device of most serious
Value, I is the electric current of the monitoring device for transshipping most serious, and P is the active of the monitoring device of overload most serious；
A-4) if emergent control measure to be embodied is concentrated with the active emergent control measure of new forms of energy power plant, first for waiting have
The active emergent control measure of new forms of energy power plant that the emergent control measure of body is concentrated, according to its real power control amount, tcMoment can
Set grid-connection feeder line is active in the new forms of energy power plant of excision, according to not owing to cut, crossing the amount of cutting minimum principle, is selected by Combinatorial Optimization
Set grid-connection feeder line in the fixed new forms of energy power plant for needing implement control, concentrates corresponding to substitute emergent control measure to be embodied
The active emergent control measure of new forms of energy power plant, then using process after emergent control measure collection to be embodied as emergent control
Measure collection, otherwise, by emergent control measure collection to be embodied directly as emergent control measure collection.
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