CN110138016A - A kind of steady prosecutor method of overload, system and associated component that the more loopbacks of power plant go out route - Google Patents
A kind of steady prosecutor method of overload, system and associated component that the more loopbacks of power plant go out route Download PDFInfo
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- CN110138016A CN110138016A CN201910414639.7A CN201910414639A CN110138016A CN 110138016 A CN110138016 A CN 110138016A CN 201910414639 A CN201910414639 A CN 201910414639A CN 110138016 A CN110138016 A CN 110138016A
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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Abstract
This application discloses the steady prosecutor method of overload, system, device and readable storage medium storing program for executing that a kind of more loopbacks of power plant go out route, comprising: obtains the real-time running data of all routes in power plant；Compare the real-time running data on every loop line road and corresponding overload definite value；When any route real-time running data be more than corresponding overload definite value, timing is started to the route；When any line timing exceeds corresponding delay definite value, machine strategy is cut in execution, and All other routes timing is reset, and then returns to the step of real-time running data on more every loop line road is with corresponding overload definite value.The real-time running data of the comprehensive multi circuit transmission lines of the present invention is gradually cut machine, once machine strategy is cut in a certain route execution, the clearing of remaining line timing restarts overload and determines, once the effect of machine strategy is cut by multi circuit transmission lines while being undertaken, reduce the execution number for cutting machine strategy as far as possible and cuts machine power, power plant was easy to cut unit when avoiding independent judgment between route, improved the stability of electric system.
Description
Technical field
The present invention relates to electricity net safety stable control technology field, in particular to a kind of more loopbacks of power plant go out the overload of route
Steady prosecutor method, system and associated component.
Background technique
Power plant sends out the energy channel that route transmits electric power as power plant to power grid, and safe and stable operation is to power train
The safe operation of system plays an important role.
Generally, be installed in power plant safety and stability control device can real-time monitoring power plant send out route operating status,
Necessary control strategy is executed according to the operating status of route.When safety and stability control device monitor route realtime power,
Electric current has been more than default overload definite value, and the duration exceeds delay definite value, will need to cut machine amount according to set policy calculation,
Machine instruction is cut in sending.
But in practical operation, power plant, which sends out route, usually to be had more times, when multi circuit transmission lines overload simultaneously within the whole group time
When, since the overload strategy on each loop line road is irrelevant, cause repeatedly to cut machine in whole group, eventually leads to power plant and cross and cut unit, this
Kind situation is detrimental to the stable operation of electric system.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that current those skilled in the art need to solve
Problem.
Summary of the invention
In view of this, the purpose of the present invention is to provide the steady prosecutors of overload that a kind of reliable more loopbacks of power plant go out route
Method, system and associated component, cross to avoid power plant and cut unit, improve the stability of electric system.Its concrete scheme is as follows:
A kind of steady prosecutor method of overload that the more loopbacks of power plant go out route, comprising:
Obtain the real-time running data of all routes in power plant；
The real-time running data of more every time route and corresponding overload definite value；
When any route the real-time running data be more than the corresponding overload definite value, which is started to count
When；
When any line timing exceeds corresponding delay definite value, machine strategy is cut in execution, and by all route meters
When reset, then return to the step of real-time running data of the described more every time route is with corresponding overload definite value.
Preferably, described when any line timing exceeds corresponding delay definite value, the process of machine strategy, tool are cut in execution
Body includes:
When any line timing exceeds corresponding delay definite value, calculating need to cut machine amount；
Machine amount need to be cut according to described, accordingly cuts off in the power plant and cuts unit.
Preferably, the process for cutting unit that need to be cut machine amount according to described, accordingly cut off in the power plant is specific to wrap
It includes:
Machine amount and multiple priority with the unit of the connection need to be cut according to described, is accordingly cut off in the power plant
One or more can cut unit.
Preferably, the steady prosecutor method of overload further include:
When the number that machine strategy is cut in any route execution reaches preset times, if the real time execution of the route
Data issue alarm signal again above the corresponding overload definite value.
Preferably, the process for obtaining the real-time running data of all routes in power plant, specifically includes:
Obtain the real-time current and real-time voltage of multi circuit transmission lines；
Corresponding realtime power is calculated according to the real-time current and the real-time voltage.
Preferably, the process for obtaining the real-time running data of all routes in power plant, further includes:
Obtain the position of the switch information of the more times routes；
The method of operation of the regional power grid of the power plant is judged according to the position of the switch information and corresponding cuts machine strategy.
Preferably, the process of the real-time current for obtaining multi circuit transmission lines and real-time voltage, specifically includes:
Obtain the current sampling signal and voltage sampling signal of multi circuit transmission lines；
The current sampling signal and the voltage sampling signal are filtered, real-time current and real-time voltage are obtained.
Correspondingly, the invention also discloses the overload stabilized control systems that a kind of more loopbacks of power plant go out route, comprising:
Data acquisition module, for obtaining the real-time running data of all routes in power plant；
Judgment module, the real-time running data and corresponding overload definite value for route described in more every time；When appoint
The real-time running data of one route is more than the corresponding overload definite value, starts timing to the route；
Action module, for exceeding corresponding delay definite value when any line timing, machine strategy is cut in execution, and by institute
There is the line timing to reset, then returns to the real time execution that the judgment module executes the described more every time route
The movement of data and corresponding overload definite value.
Correspondingly, the invention discloses the overload stability control devices that a kind of more loopbacks of power plant go out route, comprising:
Memory, for storing computer program；
Processor, realized when for executing the computer program the more loopbacks of power plant as described above go out route overload it is steady
The step of prosecutor method.
Correspondingly, being stored with computer on the readable storage medium storing program for executing the invention also discloses a kind of readable storage medium storing program for executing
Program, the computer program realize that the more loopbacks of power plant as described above go out the overload steady prosecutor method of route when being executed by processor
The step of.
A kind of steady prosecutor method of overload that the more loopbacks of power plant go out route, comprising:
Obtain the real-time running data of all routes in power plant；
The real-time running data of more every time route and corresponding overload definite value；
When any route the real-time running data be more than the corresponding overload definite value, which is started to count
When；
When any line timing exceeds corresponding delay definite value, machine strategy is cut in execution, and by all route meters
When reset, then return to the step of real-time running data of the described more every time route is with corresponding overload definite value.
The invention discloses the steady prosecutor methods of overload that a kind of more loopbacks of power plant go out route, comprising: it is wired to obtain institute in power plant
The real-time running data on road；The real-time running data of more every time route and corresponding overload definite value；When any institute
The real-time running data for stating route is more than the corresponding overload definite value, starts timing to the route；When any line
Road timing exceeds corresponding delay definite value, and machine strategy is cut in execution, and all line timings are reset, and then returns to the ratio
The step of real-time running data of more every time route is with corresponding overload definite value.The reality of the comprehensive multi circuit transmission lines of the present invention
When operation data gradually cut machine, once a certain route execution cut machine strategy, remaining line timing clearing restarts to overload
Determine, once cut the effect of machine strategy by multi circuit transmission lines while undertaking, reduce the execution number for cutting machine strategy as far as possible and cuts
Machine power was easy the phenomenon that cutting unit appearance so as to avoid power plant when independent judgment is not interfere with each other between route, improved
The stability of electric system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 goes out the step flow chart of the steady prosecutor method of overload of route for the more loopbacks of power plant a kind of in the embodiment of the present invention；
Fig. 2 goes out the structure distribution figure of the overload stabilized control system of route for the more loopbacks of power plant a kind of in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
When multi circuit transmission lines overload simultaneously within the whole group time, since the overload strategy on each loop line road is irrelevant, cause
Machine is repeatedly cut in whole group, is eventually led to power plant and is crossed and cut unit, such case is detrimental to the stable operation of electric system.This hair
The real-time running data of bright comprehensive multi circuit transmission lines is gradually cut machine, once machine strategy is cut in the execution of a certain route, remaining route meter
When reset restart overload determine, once cut the effect of machine strategy by multi circuit transmission lines while undertaking, reduce the machine of cutting as far as possible
Strategy execution number and cut machine power, improve the stability of electric system.
It is shown in Figure 1 the embodiment of the invention discloses the steady prosecutor method of overload that a kind of more loopbacks of power plant go out route, packet
It includes:
S1: the real-time running data of all routes in power plant is obtained；
Specifically, obtaining the real-time current and real-time voltage of multi circuit transmission lines；
Corresponding realtime power is calculated according to the real-time current and the real-time voltage.
Wherein, when obtaining the real-time current and real-time voltage of multi circuit transmission lines, the electric current that can first obtain multi circuit transmission lines is adopted
Sample signal and voltage sampling signal；Then the current sampling signal and the voltage sampling signal are filtered, obtain reality
When electric current and real-time voltage, secondary and harmonic component more than two times interference in original sampled signal is eliminated by filtering,
Here current sampling signal is three-phase current ia, ib, ic, and voltage sampling signal includes ua, ub, uc, and filter action generally makes
It is completed with low-pass filter.
Further, can also include: during the real-time running data of all routes in the acquisition power plant
Obtain the position of the switch information of the more times routes；
The method of operation of the regional power grid of the power plant is judged according to the position of the switch information and corresponding cuts machine strategy.
It is understood that according to the topological relation of route, unit and other devices in the regional power grid of the power plant, electricity
The machine strategy of cutting of the regional power grid of factory may be uniformly suitable for all operating statuses, it is also possible to which every kind of method of operation is corresponding specific special
Fixed cuts machine strategy, in general, more applicable in specific environment, the power plant of cutting machine strategy specified according to carrying out practically mode
Regional power grid stability it is more preferable, the restoring running speed after cutting machine is faster.
The real-time running data of S2: the more every time route and corresponding overload definite value；
It is understood that is mainly compared is the real-time current and realtime power on every loop line road, overload definite value includes
Overload current and overload power.
S3: when any route the real-time running data be more than the corresponding overload definite value, which is opened
Beginning timing；
Further, when in real-time running data any amount exceed corresponding overload definite value, begin to the route carry out
Timing.
Specifically, step S3 may include:
When any line timing exceeds corresponding delay definite value, calculating need to cut machine amount；
Machine amount need to be cut according to described, accordingly cuts off in the power plant and cuts unit.
Further, it is contemplated that multiple units are due to generation mode, the mode of connection, unit appearance in the regional power grid of the power plant
The various aspects differences such as amount are divided into and can cut unit, can not cut unit, it is multiple cut unit corresponded in cutting machine strategy it is different preferential
Grade, cutting can preferentially select flexibility is higher, feedback is fast to cut unit in machine strategy.
Therefore, machine amount need to be cut according to described, accordingly cuts off the process for cutting unit in the power plant, specifically includes:
Machine amount and multiple priority with the unit of the connection need to be cut according to described, is accordingly cut off in the power plant
One or more can cut unit.
S4: when any line timing exceeds corresponding delay definite value, machine strategy is cut in execution, and by all routes
Timing is reset, and is then returned to S2 and is executed the real-time running data of the described more every time route and corresponding overload definite value
The step of.
It is understood that cutting machine strategy after it perform according to a certain route beyond delay definite value and cut machine strategy
Effect shared by all routes, that is to say, that the power environment on multi circuit transmission lines is changed, the timing overloaded before
It has not been suitable for cutting the route after machine strategy, it is therefore necessary to reset all line timings, then return to S2 execution and compare
The step of real-time running data on every loop line road is with corresponding overload definite value, if there is real-time running data is fixed beyond corresponding overload
The phenomenon that value, starts timing to corresponding route.
In addition to this, the steady prosecutor method of overload described in the present embodiment can also include:
S5: when the number that machine strategy is cut in any route execution reaches preset times, if the route is described real-time
Operation data issues alarm signal again above the corresponding overload definite value.
It is understood that meaning to cut if a certain loop line road executes the number for cutting machine strategy more than preset times
Machine strategy is not enough to solve the overload problem on route, the system in regional power grid for needing to take other measures to control power plant
Stability, and staff is reminded to determine whether there is plant failure appearance in the regional power grid of power plant.
Wherein, preset times can be adjusted, and be generally selected 3 times, it is contemplated that the important journey of different routes
Degree may be different, are more important route, and preset times are smaller, and the tolerance of route disturbance or failure is smaller.
The steady prosecutor method prolonged application of overload in the present embodiment it can be seen from above description is in the power plant to work
In, guarantee that overload situations will not occur for the regional power grid of power plant, in order to guarantee that power plant safety produces, the overload of the present embodiment is surely controlled
Method has to last for running, and certainly, when maintenance, halt production or operation duration reach preset requirement, this method can be out of service.
The embodiment of the invention discloses the steady prosecutor methods of overload that a kind of more loopbacks of power plant go out route, comprising: obtains in power plant
The real-time running data of all routes；The real-time running data of more every time route and corresponding overload definite value；When
The real-time running data of any route is more than the corresponding overload definite value, starts timing to the route；When any
The line timing exceeds corresponding delay definite value, and machine strategy is cut in execution, and all line timings are reset, and then returns
The step of real-time running data of more every time route is with corresponding overload definite value.The embodiment of the present invention is comprehensive
The real-time running data of multi circuit transmission lines is gradually cut machine, once machine strategy is cut in the execution of a certain route, remaining line timing is reset
Restart overload to determine, once cuts the effect of machine strategy by multi circuit transmission lines while undertaking, reduce cut machine strategy as far as possible
It executes number and cuts machine power, be easy the phenomenon that cutting unit so as to avoid power plant when independent judgment is not interfere with each other between route
Occur, improves the stability of electric system.
The embodiment of the invention discloses a kind of steady prosecutor methods of overload that the specific more loopbacks of power plant go out route, relative to upper one
Embodiment, the present embodiment have made further instruction and optimization to technical solution.It is specific:
With 3 times alternating current circuits 500kV from power plant to grid power transmission in the present embodiment, the interior regional power grid of the power plant includes 6
Platform unit, every power of the assembling unit are 700MW, total 4200MW.The overload definite value on every loop line road includes overload current 2000A, overload
Power 1800MW, overload cut machine coefficient 1.0, and be delayed definite value 3s, this six units are that can cut unit, priority orders 1#-
2#-3#-4#-5#-6#。
Route 3 might as well be set, three phase short circuit fault occurs, tripped out of service, remaining route 1 and route 2 are run at this time, and two
Route need to undertake 4200MW altogether, be respectively 2100MW, be greater than overload power, actually at this time real-time current also above overload electricity
Stream, route 1 and route 2 overload simultaneously, start timing.
Machine strategy is cut according to existing, respectively after the timing of route 1 and route 2 reaches delay definite value 3s, is respectively executed
The machine strategy of cutting cuts a unit, cuts 2, machine altogether, amounts to 1400MW.After cutting machine, power plant is switched on 4, total 2800MW, route 1 and line
Road 2 respectively undertakes 1400MW, no longer than overload definite value.
According to the present processes, since the power characteristic of route 1 and route 2 can not be completely the same, corresponding acquisition
Real-time running data will not be fully synchronized, therefore even if the real-time running data of the two is more than corresponding overload definite value, still
There are the time differences between the time point of beginning timing, necessarily have a route first to reach delay definite value 3s, might as well assume route 1 first
Reach delay definite value 3s, machine strategy is cut in the execution of route 1 at this time, a machine is cut, while the timing of route 2 being reset, if route 2
Real-time running data be again more than overload definite value, then start again at timing.Route 1 and route 2 are common after route 1 cuts 1 machine
3500MW power is undertaken, route 2 is no more than overload definite value, no longer executes and cut machine strategy.
Compared to it can be found that the steady prosecutor method of the overload of the application, which finally only cuts off 1 unit, ensures that power plant sends out
The equal nonoverload of route cuts a unit less compared with prior art, advantageously to the safe and stable operation of power grid.
Correspondingly, the embodiment of the invention also discloses the overload stabilized control systems that a kind of more loopbacks of power plant go out route, referring to fig. 2
It is shown, comprising:
Data acquisition module 1, for obtaining the real-time running data of all routes in power plant；
Judgment module 2, the real-time running data and corresponding overload definite value for route described in more every time；When appoint
The real-time running data of one route is more than the corresponding overload definite value, starts timing to the route；
Action module 3, for exceeding corresponding delay definite value when any line timing, machine strategy is cut in execution, and will
All line timings are reset, and then return to the real-time fortune that the judgment module executes the described more every time route
The movement of row data and corresponding overload definite value.
The real-time running data of the comprehensive multi circuit transmission lines of the present invention is gradually cut machine, once machine plan is cut in the execution of a certain route
Slightly, the clearing of remaining line timing restarts overload judgement, once cuts the effect of machine strategy by multi circuit transmission lines while undertaking, to the greatest extent may be used
It can be reduced the execution number for cutting machine strategy and cut machine power, so as to avoid power plant when independent judgment is not interfere with each other between route
It was easy the phenomenon that cutting unit appearance, improves the stability of electric system.
In some preferred embodiments, action module 3 is specifically used for exceeding corresponding delay when any line timing
Definite value, calculating need to cut machine amount；Machine amount need to be cut according to described, accordingly cuts off in the power plant and cuts unit.
In some preferred embodiments, action module 3 is specifically used for that machine amount and the multiple and route need to be cut according to described
The priority of the unit of connection, unit can be cut by accordingly cutting off the one or more in the power plant.
In some preferred embodiments, action module 3 is also used to reach when the number that machine strategy is cut in any route execution
To preset times, if the real-time running data of the route issues alarm letter again above the corresponding overload definite value
Number.
In some preferred embodiments, data acquisition module 1 be specifically used for obtain multi circuit transmission lines real-time current and in real time
Voltage；Corresponding realtime power is calculated according to the real-time current and the real-time voltage.
In some preferred embodiments, data acquisition module 1 specifically is also used to obtain the position of the switch of the more go back tos routes
Information；The method of operation of the regional power grid of the power plant is judged according to the position of the switch information and corresponding cuts machine strategy.
In some preferred embodiments, data acquisition module 1 be specifically used for obtain multi circuit transmission lines current sampling signal and
Voltage sampling signal；The current sampling signal and the voltage sampling signal are filtered, obtain real-time current and in real time
Voltage.
Correspondingly, the embodiment of the invention discloses the overload stability control devices that a kind of more loopbacks of power plant go out route, comprising:
Memory, for storing computer program；
Processor, realized when for executing the computer program the more loopbacks of power plant as described above go out route overload it is steady
The step of prosecutor method.
Wherein, the content of the specific steady prosecutor method of overload for going out route in relation to the more loopbacks of power plant, is referred to foregoing embodiments
In description, details are not described herein again.
Wherein, the embodiment of the present invention has that go out the steady prosecutor method of overload of route with power plant in foregoing embodiments more loopbacks identical
Beneficial effect, details are not described herein again.
Correspondingly, being stored with computer on the readable storage medium storing program for executing the invention also discloses a kind of readable storage medium storing program for executing
Program, the computer program realize that the more loopbacks of power plant as described above go out the overload steady prosecutor method of route when being executed by processor
The step of.
Wherein, the content of the specific steady prosecutor method of overload for going out route in relation to the more loopbacks of power plant, is referred to foregoing embodiments
In description, details are not described herein again.
Wherein, the embodiment of the present invention has that go out the steady prosecutor method of overload of route with power plant in foregoing embodiments more loopbacks identical
Beneficial effect, details are not described herein again.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Above to a kind of steady prosecutor method of overload, system and associated component that the more loopbacks of power plant go out route provided by the present invention
It is described in detail, used herein a specific example illustrates the principle and implementation of the invention, the above reality
The explanation for applying example is merely used to help understand method and its core concept of the invention；Meanwhile for the general technology of this field
Personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (10)
1. a kind of steady prosecutor method of overload that the more loopbacks of power plant go out route characterized by comprising
Obtain the real-time running data of all routes in power plant；
The real-time running data of more every time route and corresponding overload definite value；
When any route the real-time running data be more than the corresponding overload definite value, timing is started to the route；
When any line timing exceeds corresponding delay definite value, machine strategy is cut in execution, and all line timings are clear
Zero, then return to the step of real-time running data of the described more every time route is with corresponding overload definite value.
2. overloading steady prosecutor method according to claim 1, which is characterized in that described when any line timing is beyond correspondence
Delay definite value, execute the process of machine strategy of cutting, specifically include:
When any line timing exceeds corresponding delay definite value, calculating need to cut machine amount；
Machine amount need to be cut according to described, accordingly cuts off in the power plant and cuts unit.
3. overloading steady prosecutor method according to claim 2, which is characterized in that it is described to cut machine amount according to described, it is corresponding to cut off
The process for cutting unit in the power plant, specifically includes:
Machine amount and multiple priority with the unit of the connection need to be cut according to described, accordingly cuts off one in the power plant
It is a or multiple cut unit.
4. overloading steady prosecutor method according to claim 3, which is characterized in that further include:
When the number that machine strategy is cut in any route execution reaches preset times, if the real-time running data of the route
Again above the corresponding overload definite value, alarm signal is issued.
5. according to claim 1 to any one of 4 steady prosecutor methods of overload, which is characterized in that institute is wired in the acquisition power plant
The process of the real-time running data on road, specifically includes:
Obtain the real-time current and real-time voltage of all routes in power plant；
Corresponding realtime power is calculated according to the real-time current and the real-time voltage.
6. overloading steady prosecutor method according to claim 5, which is characterized in that the real-time fortune for obtaining all routes in power plant
The process of row data, further includes:
Obtain the position of the switch information of all routes in power plant；
The method of operation of the regional power grid of the power plant is judged according to the position of the switch information and corresponding cuts machine strategy.
7. overloading steady prosecutor method according to claim 5, which is characterized in that the real-time current and reality for obtaining multi circuit transmission lines
When voltage process, specifically include:
Obtain the current sampling signal and voltage sampling signal of multi circuit transmission lines；
The current sampling signal and the voltage sampling signal are filtered, real-time current and real-time voltage are obtained.
8. the overload stabilized control system that a kind of more loopbacks of power plant go out route characterized by comprising
Data acquisition module, for obtaining the real-time running data of all routes in power plant；
Judgment module, the real-time running data and corresponding overload definite value for route described in more every time；When any institute
The real-time running data for stating route is more than the corresponding overload definite value, starts timing to the route；
Action module, for exceeding corresponding delay definite value when any line timing, machine strategy is cut in execution, and by all institutes
Line timing clearing is stated, the real-time running data that the judgment module executes the described more every time route is then returned
With the movement of corresponding overload definite value.
9. the overload stability control device that a kind of more loopbacks of power plant go out route characterized by comprising
Memory, for storing computer program；
Processor realizes the more loopback outlets of the power plant as described in any one of claim 1 to 7 when for executing the computer program
The step of overload on road steady prosecutor method.
10. a kind of readable storage medium storing program for executing, which is characterized in that be stored with computer program, the meter on the readable storage medium storing program for executing
The overload that the realization more loopbacks of the power plant as described in any one of claim 1 to 7 go out route when calculation machine program is executed by processor surely is controlled
The step of method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414639.7A CN110138016B (en) | 2019-05-17 | 2019-05-17 | Overload stability control method and system for multiple feedback output lines of power plant and related components |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414639.7A CN110138016B (en) | 2019-05-17 | 2019-05-17 | Overload stability control method and system for multiple feedback output lines of power plant and related components |
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| Publication Number | Publication Date |
|---|---|
| CN110138016A true CN110138016A (en) | 2019-08-16 |
| CN110138016B CN110138016B (en) | 2023-01-03 |
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| CN201910414639.7A Active CN110138016B (en) | 2019-05-17 | 2019-05-17 | Overload stability control method and system for multiple feedback output lines of power plant and related components |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113156236A (en) * | 2021-03-18 | 2021-07-23 | 广西电网有限责任公司 | Method and system for judging line overload of stability control device based on temperature change |
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| JP2007037315A (en) * | 2005-07-28 | 2007-02-08 | Tokyo Electric Power Co Inc:The | Distribution system control method and device |
| CN105162172A (en) * | 2015-08-13 | 2015-12-16 | 中国电力科学研究院 | Automatic power control system of grid-connected photovoltaic power station |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007037315A (en) * | 2005-07-28 | 2007-02-08 | Tokyo Electric Power Co Inc:The | Distribution system control method and device |
| CN105162172A (en) * | 2015-08-13 | 2015-12-16 | 中国电力科学研究院 | Automatic power control system of grid-connected photovoltaic power station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113156236A (en) * | 2021-03-18 | 2021-07-23 | 广西电网有限责任公司 | Method and system for judging line overload of stability control device based on temperature change |
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