CN106469941A - It is applied to the wide area spare power automatic switching system intelligent control method of small power station's rich region - Google Patents
It is applied to the wide area spare power automatic switching system intelligent control method of small power station's rich region Download PDFInfo
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- CN106469941A CN106469941A CN201611009594.8A CN201611009594A CN106469941A CN 106469941 A CN106469941 A CN 106469941A CN 201611009594 A CN201611009594 A CN 201611009594A CN 106469941 A CN106469941 A CN 106469941A
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
-
- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
-
- 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
-
- 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
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- 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
-
- 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
- Y04S20/248—UPS systems or standby or emergency generators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses being applied to the wide area spare power automatic switching system intelligent control method of small power station's rich region, define wide area prepared auto restart model including 1；The running status of 2 online read area device within the domains；Each device fails in 3 setting regions, suppose the switch trip of generation and machine operation after fault generation according to each, and the localization of faults is simultaneously isolated；The isolated area of dead electricity immediately and small power station's on-load independent operating region that 4 identification trouble points occur after being isolated；5 pairs of dead electricity regions immediately, by OS2 fast automatic long-range input transformer station stand-by power supply；To dead electricity isolated area immediately and small power station's on-load independent operating region so that all buses that can recover of isolated area recover grid-connected or keep stable operation；6th, 5 all supposition faults and control action are stored as prepared auto restart model and control action；Solve the problems, such as that existing wide area spare power automatic switching system is not suitable for small power station's rich region.
Description
Technical field
The invention belongs to power grid control technology, more particularly, to a kind of wide area prepared auto restart system being applied to small power station's rich region
System intelligent control method.
Background technology
With the development of social economy, electrical network scale expanding day, electric network composition becomes increasingly complex, and user is to power supply quality
Requirement with reliability also more and more higher.For more and more universal transformer station's chain structure power supply mode, standby in conventional station
Automatic bus are limited because of the normal electric parameters accessing, and there are following major defects：1st, can only realize singly standing and control on the spot it is impossible to expire
The multiple power system operating mode of foot；2nd, lack and safe auto-control device cooperation；3rd, do not consider the shadow to electrical network for the prepared auto restart action
Ring, stand-by power supply may be led to transship.
For overcoming the disadvantages mentioned above of prepared auto restart in station, base oneself upon the wide area prepared auto restart system that the overall situation takes into account multiple power system operating modes
System arises at the historic moment.Existing wide area spare power automatic switching system achieves the wide area prepared auto restart mould of self adaptation electrical network different running method at present
Type automatic modeling, while realizing traditional backup power automatic switching function scope, also achieves multistage statements based on collusion mode with many inlet wires in station certainly
Adapt to backup power automatic switching function.But during for being enriched with small power station in region, still having voltage due in fault rear region, being unsatisfactory for standby
The trigger condition of self-operation system.Additionally, after small power station's rich region electric network fault may independent operating, wide area spare power automatic switching system one
Malfunction in denier, is likely to result in regional power grid unstability, and potential security risk is higher.
Content of the invention
The technical problem to be solved in the present invention：
It is not suitable for the problem of small power station's rich region for existing wide area spare power automatic switching system, the invention provides one kind is applied to
The wide area spare power automatic switching system intelligent control method of small power station's rich region, can make full use of OS2 system master information, cooperation station
Interior prepared auto restart and safety stabilizing devices, according to electric power netting safe running require complete quick control after small power station's rich region fault,
After distant place alternate power autocast, prevention prepared auto restart action, the senior application function such as apparatus overload, has expanded wide area prepared auto restart
Range of application, to solve the deficiencies in the prior art.
Technical solution of the present invention：
A kind of wide area spare power automatic switching system intelligent control method being applied to small power station's rich region, it includes：
Step 1, definition wide area prepared auto restart model；
Step 2, the online running status from OS2 system read area device within the domain；
In step 3, setting regions, each equipment occurs to suppose fault, supposes, according to each, the switch that fault produces after occurring
Tripping operation and machine operation, the localization of faults is simultaneously isolated；
The isolated area of dead electricity immediately and small power station's on-load independent operating region that step 4, identification trouble point occur after being isolated；
Step 5, for dead electricity isolated area immediately, judge whether to meet the in-put of spare power supply action logic condition of setting,
Join action policy, meet and then transformer station's stand-by power supply is put into by OS2 system automatic remote；Small power station's on-load is independently transported
Row region, exerts oneself situation according to small power station's quantity in region and small power station, generates different logic control action sequences, realizes existing
Carry out limited number of time control operation so that all buses that can recover of isolated area recover grid-connected or keep stable to transport in stipulated time
OK；
Step 6, using all for step 5 supposition faults and control action store as prepared auto restart model and logic control action sequence,
Direct plunge into use when fault actually occurs.
Described in step 1 define wide area prepared auto restart model method be：Defined by modeling tool or in advance from OS2 system
Regional model is obtained in network model.
The online running status from OS2 system read area device within the domain described in step 2, its running status includes equipment live
Whether situation, switch division state, bus have pressure, stand in backup auto-activating device whether put into operation, small power station's unit output data,
110kV transformer station load and 220kV main confession stand-by power supply busbar voltage and frequency.
Beneficial effects of the present invention：
Small power station in region is included wide area spare power automatic switching system by the present invention, by prior art prepared auto restart network by small power station, stand
Interior device and prior art spare power automatic switching system combine together, assume fault by setting, by the networking situation of small power station, according to
In fault moment separate ranges, small power station generates electricity and load condition, and after anticipation fault, the ruuning situation of separate mesh takes corresponding control
Method processed putting into spare power automatic switching system, solves after high-pressure delivery channel failure disconnects, small power station's rich region electrical network isolated network fortune
The quality of power supply brought of row is low, unstability and repeat the problems such as have a power failure during power system restoration it is achieved that small power station's rich region electricity
Fast quick-recovery after the fault of interconnected transmission line of source, decreases the possibility that small power station abandons water in a large number, improves the level of resources utilization.
The wide area spare power automatic switching system of prior art is integrated in one with intelligent scheduling integral control system OS2 by the present invention
Rise, various information, operation of power networks situation of change from the point of view of the whole network can be gathered with effectively utilizes scheduling station, generate corresponding
Prepared auto restart model and logic control strategy；Realize the 220kV power supply that in normal station, prepared auto restart cannot be realized rationally to switch, fully
Matched with the safe auto-control device inside and outside system using OS2 system, realize prepared auto restart decision-making and the control in network-wide basis
System, thus making up the defect of backup auto-activating device in station, solves the potential security risk of wide area spare power automatic switching system in prior art
Relatively higher, and in standing, spare power automatic switching system can only be realized singly standing control on the spot it is impossible to meet multiple power system operating modes；Lack and peace
Device for automatically controlling coordinates；Do not consider the impact of prepared auto restart action meeting electrical network, the technology such as stand-by power supply overload may be led to ask
Topic.
Specific embodiment：
OS2 system be responsible for gathering the remote signalling of each correlation transformer station, shake measurement and protection signal as prepared auto restart charge condition,
Barring condition, trigger condition and operation condition etc..
Before implementing the present invention, first by OS2 system（Intelligent scheduling integral control system）Wide area with prior art
Spare power automatic switching system controls main website to connect, and realizes information exchange.
Step 1, definition wide area prepared auto restart model；Described in step 1 define wide area prepared auto restart model method be：By building
Mould instrument definition or in advance acquisition regional model from OS2 grid model.
Step 2, the online running status from OS2 system read area device within the domain；Read from OS2 system online described in step 2
Take the running status of area's device within the domain, its running status includes equipment live situation, whether switch division state, bus have pressure,
In standing backup auto-activating device whether put into operation, small power station's unit output data, 110kV transformer station load and 220kV main for standby
Power rail voltage and frequency.
In step 3, setting regions, each equipment occurs to suppose fault, supposes what fault produced after occurring according to each
Switch trip and machine operation, the localization of faults is simultaneously isolated；
The isolated area of dead electricity immediately and small power station's on-load independent operating region that step 4, identification trouble point occur after being isolated；
Step 5, for simple dead electricity region immediately, judge whether to meet the in-put of spare power supply action logic condition of setting,
Coupling action policy, by OS2 fast automatic long-range input transformer station stand-by power supply；For on-load independent operating area of small power station
Domain, exerts oneself situation according to small power station's quantity in region and small power station, generates different logic control action sequences, realizes in regulation
Carry out limited number of time control operation so that all buses that can recover of isolated area recover grid-connected or keep stable operation in time.Main
Control strategy is wanted to include：In dry season small power station's undercapacity, the easy unstability of separate mesh, the water yield that what the machine of cutting caused abandon is less, should
After quickly excising small power station's wiring in all regions, close stand-by power supply；Wet season, small power station was when sending out greatly, and separate mesh frequency will rise
Height, should quick cut-out non-frequency modulation small power station, without waiting for Power Plant Side unit voltage to frequency disconnection device action so that independence
Net internal loading and after going out that gap edge is rapid and reducing, by the execution of period when a river is at its normal level action policy.Period when a river is at its normal level separate mesh internal loading and base of exerting oneself
This balance, the basicly stable operation of separate mesh after fault, now need the difference on the frequency between the separate mesh that arrives according to system acquisition and major network
And cyclization point both sides voltage difference, it is computed analysis and issue frequency（Voltage）Adjust desired value to frequency regulation power plant AGC system, by frequency modulation
Power plant is adjusted to the frequency of separate mesh, voltage, issues to the intelligence quasi- simultaneous interconnecting device that cyclization point is arranged on the spot simultaneously
Quasi- asynchronous switch-on instruction.I.e. main station system is responsible for adjusting pressure reduction and the frequency difference of same period point both sides, intelligence on the spot according to result of calculation
Device voluntarily checks whether to meet asynchronous switch-on condition：Treat and side is all higher than definite value, the pressure reduction of both sides with reference side both sides voltage
It is respectively less than definite value with frequency difference, slippage is less than definite value.In the case that conditions above is satisfied by, device according to current phase angle, frequently
Difference, slippage and combined floodgate leading time are come angular difference when calculating this moment and sending out that after reclosing command, switch closes a floodgate.If caught in predetermined
Catch in same period time range, it is poor less than allowing closing phase angle to capture expected combined floodgate differential seat angle, then execution closes a floodgate order to cyclization
Point breaker sends out closing pulse.
Step 6, using all for step 5 supposition faults and control action store as prepared auto restart model and control action.For
All supposition faults produce corresponding prepared auto restart models and logic control strategy, i.e. chargings, locking, triggering, operation condition and move
Make sequence.
After the completion of all supposition fault analysis and handling, store corresponding prepared auto restart model and logic control action, prepared auto restart
During system operation, online charging prepared auto restart control action is matched according to system SCADA data and discharge and recharge criterion.
Rerun step 2 by the cycle, the method for operation of proof cycle inner region device within the domain hand on a cycle whether send out
Raw change, in the event of changing, then enters step 3 and regenerates prepared auto restart model and corresponding logic control action.
Claims (3)
1. a kind of wide area spare power automatic switching system intelligent control method being applied to small power station's rich region, it includes：
Step 1, definition wide area prepared auto restart model；
Step 2, the online running status from OS2 system read area device within the domain；
In step 3, setting regions, each equipment occurs to suppose fault, supposes, according to each, the switch that fault produces after occurring
Tripping operation and machine operation, the localization of faults is simultaneously isolated；
The isolated area of dead electricity immediately and small power station's on-load independent operating region that step 4, identification trouble point occur after being isolated；
Step 5, for dead electricity isolated area immediately, judge whether to meet the in-put of spare power supply action logic condition of setting,
Join action policy, meet and then transformer station's stand-by power supply is put into by OS2 system automatic remote；Small power station's on-load is independently transported
Row region, exerts oneself situation according to small power station's quantity in region and small power station, generates different logic control action sequences, realizes existing
Carry out limited number of time control operation so that all buses that can recover of isolated area recover grid-connected or keep stable to transport in stipulated time
OK；
Step 6, using all for step 5 supposition faults and control action store as prepared auto restart model and logic control action sequence.
2. the wide area spare power automatic switching system intelligent control method being applied to small power station's rich region according to claim 1, its
It is characterised by：Described in step 1 define wide area prepared auto restart model method be：Defined by modeling tool or in advance from OS2 system
Regional model is obtained in system network model.
3. the wide area spare power automatic switching system intelligent control method being applied to small power station's rich region according to claim 1, its
It is characterised by：The online running status from OS2 system read area device within the domain described in step 2, its running status includes equipment belt
Whether electric situation, switch division state, bus have pressure, stand in backup auto-activating device whether put into operation, small power station's unit output number
According to, 110kV transformer station load and 220kV main confession stand-by power supply busbar voltage and frequency.
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| CN201611009594.8A CN106469941A (en) | 2016-11-17 | 2016-11-17 | It is applied to the wide area spare power automatic switching system intelligent control method of small power station's rich region |
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| CN201611009594.8A CN106469941A (en) | 2016-11-17 | 2016-11-17 | It is applied to the wide area spare power automatic switching system intelligent control method of small power station's rich region |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654102A (en) * | 2020-05-15 | 2020-09-11 | 国网上海市电力公司 | An intelligent diagnosis system for abnormal state of standby automatic switching in 10kV distribution station |
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| CN101951016A (en) * | 2010-04-22 | 2011-01-19 | 广东电网公司 | Wide area information-based automatic standby power supply switching adaptive modeling and controlling method |
| CN102738891A (en) * | 2012-07-03 | 2012-10-17 | 国电南瑞科技股份有限公司 | Wide-area spare power automatic switching logic unified expression method and after-operation overload processing method |
| CN102904331A (en) * | 2012-09-25 | 2013-01-30 | 贵州电网公司电力调度控制中心 | Wide area self-adaptation spare power automatic switching method based on synchronous phasor measurement |
| US20160149410A1 (en) * | 2013-07-08 | 2016-05-26 | Jerome Gilbert | Device for controlling a power load in an electrical network, and associated method and system |
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2016
- 2016-11-17 CN CN201611009594.8A patent/CN106469941A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951016A (en) * | 2010-04-22 | 2011-01-19 | 广东电网公司 | Wide area information-based automatic standby power supply switching adaptive modeling and controlling method |
| CN102738891A (en) * | 2012-07-03 | 2012-10-17 | 国电南瑞科技股份有限公司 | Wide-area spare power automatic switching logic unified expression method and after-operation overload processing method |
| CN102904331A (en) * | 2012-09-25 | 2013-01-30 | 贵州电网公司电力调度控制中心 | Wide area self-adaptation spare power automatic switching method based on synchronous phasor measurement |
| US20160149410A1 (en) * | 2013-07-08 | 2016-05-26 | Jerome Gilbert | Device for controlling a power load in an electrical network, and associated method and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654102A (en) * | 2020-05-15 | 2020-09-11 | 国网上海市电力公司 | An intelligent diagnosis system for abnormal state of standby automatic switching in 10kV distribution station |
| CN111654102B (en) * | 2020-05-15 | 2024-03-29 | 国网上海市电力公司 | 10 kilovolt distribution station spare power automatic switching abnormal state intelligent diagnosis system |
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