CN106444589A - 30-degree phase angle difference distributing line loop closing and opening operation system - Google Patents
30-degree phase angle difference distributing line loop closing and opening operation system Download PDFInfo
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- CN106444589A CN106444589A CN201611108353.9A CN201611108353A CN106444589A CN 106444589 A CN106444589 A CN 106444589A CN 201611108353 A CN201611108353 A CN 201611108353A CN 106444589 A CN106444589 A CN 106444589A
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- open loop
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- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005457 optimization Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000007726 management method Methods 0.000 claims description 18
- 238000007363 ring formation reaction Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000007257 malfunction Effects 0.000 claims description 3
- 238000012550 audit Methods 0.000 claims description 2
- 238000013480 data collection Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 229910001037 White iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
Abstract
The invention discloses a 30-degree phase angle difference distributing line loop closing and opening operation system which comprises a distribution network loop closing and opening running calculation and management module, a transformer substation remote operation ticket management module, a transformer substation remote operation ticket execution module, a remote operation front-end computer and a transformer substation loop closing and opening operation device. With adoption of the 30-degree phase angle difference distributing line loop closing and opening operation system, based on the transformer substation remote operation ticket execution module and an information and automation system of the transformer substation loop closing and opening operation device, data collection and collection integration can be effectively carried out, and the whole process of wheeling decision modeling, decision optimization and decision execution without power cut are effectively supervised and monitored.
Description
Technical field
The present invention relates to a kind of 30 degree of phase angle difference distribution lines close Open Loop Operation system, belong to electrical network field.
Background technology
110kV and following power distribution network are mainly realized not having a power failure by cyclization mode turning and are supplied, i.e., when power distribution network carries out load
When transfer, overhaul of the equipments, network reconfiguration, " heat is fallen " is carried out to load by Loop Closing Operation, to reduce power off time, improve power supply
Reliability.The conjunction Open Loop Operation of some area power grids is very frequent, account for dispatching the 48.1% of regular job project.Grasp in cyclization
During work, by the Alloy White Iron of the generation such as cyclization point both sides voltage magnitude, phase angle, impedance and load difference, not only to ring
The main electrical equipment on road brings certain dash current, it is also possible to cause corresponding relay protection action, affects the safety of electrical network
Stable operation;Closing unlinks also needs to consider voltge surge and the quality of power supply that switching overvoltage accesses circulation electrical equipment along road
Fluctuation.
Due to historical reasons, many area 35kV and above transformer station have the different main transformer of wiring;By electricity at that time
Network planning is drawn and design, and pressure 35kV or the outlet of low pressure 10kV in such main transformer will not be powered to same confession area.With load growth and
Circuit extends, and such outlet is geographically constantly close to, and exists and mutually turns the demand for supplying.But, the cyclization point of such circuit
Both sides exist fixes 30 ° of phase angle differences;By current schedule regulation, such circuit forbids powered cyclization, it is necessary to adopts and " first has no progeny
Close " power failure mode is realized turning and is supplied, thus will result in responsible consumer power failure.And the different main transformer of butted line carries out modernization overlay, one
Then great amount of investment is needed, the two is difficult to using newly-built site due to soil anxiety, and old station transformation can more be produced and be stopped for a long time
Electricity.
Industrial 4.0 technology have carried out a kind of new annotation to intelligent grid, accurate with communicated based on high-speed data acquisition
Control, is to solve distribution conjunction to unlink there is provided thinking.In view of this, the present inventor is studied to this, specially develops one kind
30 degree of phase angle difference distribution lines close Open Loop Operation system, and thus this case produces.
Content of the invention
It is an object of the invention to provide a kind of 30 degree of phase angle difference distribution lines close Open Loop Operation system.
To achieve these goals, the solution of the present invention is:
30 degree of phase angle difference distribution lines close Open Loop Operation system, including such as lower module:
Power distribution network closes solution inscription of loop and calculates and management module:The main path to load transfer is in optimized selection, according to distribution
What net needed turns for requiring, is calculated by the method for operation, and determining needs the cyclization chopper of the transformer station of operation, open loop open circuit
Device;The precondition for closing Open Loop Operation, and defining operation time range is given, conjunction Open Loop Operation ticket is ultimately formed, is sent to change
Power station remote operation ticket management module;
Transformer station's remote operation ticket management module:Carry out being managed collectively, audit to receiving conjunction Open Loop Operation ticket;Check itself and other
Operation order is with the presence or absence of conflict, if need adjustment;If there is conflicting or adjustment being needed, then write comments and sign one's name, return power distribution network
Close solution inscription of loop to calculate and management module;If the conjunction Open Loop Operation ticket is qualified after checking, will just close Open Loop Operation ticket and forward
To transformer station's remote operation ticket performing module;
Transformer station's remote operation ticket performing module:Conjunction Open Loop Operation ticket will be received and include operation order queue to be run;Isochronon is arrived
Institute defining operation time range, checks whether the precondition for closing Open Loop Operation meets:If it is satisfied, then Open Loop Operation will be closed
Ticket is issued to remote operation front end processor;
Remote operation front end processor:Receive the conjunction Open Loop Operation ticket that transformer station's remote operation ticket performing module is issued, which is parsed and
Stipulations are changed;Solution loop device foundation is closed with the transformer station for setting transformer station to communicate, and operation content is issued to transformer station and close solution
Loop device;
Solution loop device closes in transformer station:For executing the control centre for closing concrete operations of unlinking in transformer station, Open Loop Operation ticket is closed in parsing,
Concrete involutive ring chopper, unlink chopper, and the communication of back-up breaker, assigns sequence order, and real-time monitoring is executed
Process, takes corresponding measure in time, it is ensured that main equipment and power system security, stable.
Preferably, the power distribution network is closed, solution inscription of loop is calculated and management module is when load transfer path optimization selects,
Optimization aim includes:1)The circulation of formation is less;2)Conjunction risk of unlinking is less;3)The risk for closing failure of unlinking is less, and which opens
In the dynamic maximum duration that recovers, main equipment of the circulation along road will not be damaged;4)Open Loop Operation is closed, will not be caused and protect along road relay
The malfunction of shield.
Preferably, the power distribution network close solution inscription of loop calculate and management module it needs to be determined that parameter include:Operation becomes
Power station is numbered;Cyclization chopper is numbered;The chopper that unlinks is numbered;Operation starting time;Operate deadline;Calculate circulation peak
Value;The main equipment numbering group that necessary emphasis is monitored;Other adjustment amounts related to the method for operation.
Preferably, the remote operation front end processor is closed with transformer station being assisted using IEC61850 MMS between solution loop device
View;Remote operation front end processor is used as client, and solution loop device closes as server in transformer station.
Open Loop Operation system is closed using 30 degree of phase angle difference distribution lines of the present invention, is grasped based on a general substation distant place
Make information and automated system that solution loop device closes in ticket performing module and transformer station, can be effectively to data collection, the collection of collection
Becoming, and turns effective supervision and the monitoring that overall process is realized for Decision Modeling, decision optimization, decision-making execution to not having a power failure.Can be to 30 °
Phase angle difference is closed the dash current of generation of unlinking and carries out main equipment heat effect calculating, obtains quickly and closes the time window that unlinks;In checking
Conjunction is unlinked under conditions of not affecting the quality of power supply, by configuring automatization's sequence means that quick conjunction is unlinked, so as to realize being based on
Not having a power failure for modern communication technology turns for operation.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Description of the drawings
Fig. 1 closes Open Loop Operation system block diagram for 30 degree of phase angle difference distribution lines of the present embodiment.
Specific embodiment
As shown in figure 1,30 degree of phase angle difference distribution lines close Open Loop Operation system, including such as lower module:
Power distribution network closes solution inscription of loop and calculates and management module 1:The main path to load transfer is in optimized selection, according to distribution
What net needed turns for requiring, is calculated by the method for operation, and determining needs the cyclization chopper of the transformer station of operation, open loop open circuit
Device, and other modes operation content:Optimum operating mode unlink before is such as closed, including necessary main transformer tap joint position,
Reactor, capacitor switching position, other circuit breaker positions etc.;The precondition for closing Open Loop Operation is given, and during defining operation
Between scope, ultimately form conjunction Open Loop Operation ticket, be sent to transformer station remote operation ticket management module 1.
Power distribution network closes the calculating of solution inscription of loop and management module 1 by different load level, different main equipment ambient conditions(Such as
The impact to line energizing flow such as wind-force, sunshine, ambient temperature), difference along circuit breaker position and the operation side of main transformer tap
The scenes such as formula, carry out circulation transient state, static Simulation, and above target is calculated, and find the optimum main equipment method of operation, with
And turn supply path.
Power distribution network closes the calculating of solution inscription of loop and management module 1 when load transfer path optimization selects, and optimization aim includes:
1)The circulation of formation is less;2)Conjunction risk of unlinking is less;3)The risk for closing failure of unlinking is less, and which starts the most long of recovery
In time, main equipment of the circulation along road will not be damaged;4)Open Loop Operation is closed, the malfunction along road relay protection will not be caused.Need
The parameter of determination includes:Operation transformer station numbering;Cyclization chopper is numbered;The chopper that unlinks is numbered;Operation starting time;Operation
Deadline;Calculate circulation peak value;The main equipment numbering group that necessary emphasis is monitored;Other adjustment amounts related to the method for operation etc..
Transformer station remote operation ticket management module 2:The conjunction Open Loop Operation ticket for receiving is carried out being managed collectively, is audited;Check
Which is with other operation orders with the presence or absence of conflict, if need to adjust;If there is conflicting or adjustment being needed, then write comments and sign one's name, move back
Return power distribution network and close the calculating of solution inscription of loop and management module 1;If the conjunction Open Loop Operation ticket is qualified after checking, just conjunction is unlinked behaviour
Transformer station remote operation ticket performing module 3 is forwarded to as ticket.
Transformer station remote operation ticket performing module 3:The conjunction Open Loop Operation ticket for receiving is included operation order queue to be run, etc.
Clock has arrived institute's defining operation time range, checks whether the precondition for closing Open Loop Operation meets:If it is satisfied, then solution will be closed
Ring operation order is issued to remote operation front end processor 4.
Remote operation front end processor 4:Receive the conjunction Open Loop Operation ticket that transformer station remote operation ticket performing module 3 is issued, to which
Parsing and stipulations conversion, are set up with transformer station's conjunction solution loop device of particular substation and communicate, and operation content is issued to power transformation
Conjunction of standing solves loop device 5;Remote operation front end processor is closed between solution loop device with transformer station and adopts IEC61850 MMS;A distant place is grasped
Make front end processor as client, and solution loop device closes as server in transformer station.
Solution loop device 5 closes in transformer station:Close, for executing in transformer station, the control centre of concrete operations of unlinking, parsing conjunction is unlinked behaviour
Make ticket, concrete involutive ring chopper, unlink chopper, and the communication of back-up breaker, assign sequence order, and real-time monitoring
Implementation procedure, takes corresponding measure in time, it is ensured that main equipment and power system security, stable.Need inspection operation condition whether full
Foot, if meet, directly operation cyclization chopper, unlink chopper;If being unsatisfactory for, a distant place is reported the reasons why will not execute
Operation front end processor 5.
Open Loop Operation system is closed using 30 degree of phase angle difference distribution lines described in the present embodiment, based on a general substation distant place
Operation order performing module and transformer station close the information of solution loop device and automated system, can be effectively to data collection, collection
Integrated, and turn effective supervision and the monitoring for realizing overall process for Decision Modeling, decision optimization, decision-making execution to not having a power failure.Can be right
30 ° of phase angle differences are closed the dash current of generation of unlinking and carry out main equipment heat effect calculating, obtain and quick close the time window that unlinks;Testing
Card conjunction is unlinked under conditions of not affecting the quality of power supply, by configuring automatization's sequence means that quick conjunction is unlinked, so as to realize base
Turn for operation in not having a power failure for modern communication technology.
Above-described embodiment and the product form and style of schema the non-limiting present invention, any art common
Appropriate change or modification that technical staff is done to which, all should be regarded as the patent category without departing from the present invention.
Claims (4)
1.30 degree of phase angle difference distribution lines close Open Loop Operation system, it is characterised in that include as lower module:
Power distribution network closes solution inscription of loop and calculates and management module:The main path to load transfer is in optimized selection, according to distribution
What net needed turns for requiring, is calculated by the method for operation, and determining needs the cyclization chopper of the transformer station of operation, open loop open circuit
Device;The precondition for closing Open Loop Operation, and defining operation time range is given, conjunction Open Loop Operation ticket is ultimately formed, is sent to change
Power station remote operation ticket management module;
Transformer station's remote operation ticket management module:Carry out being managed collectively, audit to receiving conjunction Open Loop Operation ticket;Check itself and other
Operation order is with the presence or absence of conflict, if need adjustment;If there is conflicting or adjustment being needed, then write comments and sign one's name, return power distribution network
Close solution inscription of loop to calculate and management module;If the conjunction Open Loop Operation ticket is qualified after checking, will just close Open Loop Operation ticket and forward
To transformer station's remote operation ticket performing module;
Transformer station's remote operation ticket performing module:Conjunction Open Loop Operation ticket will be received and include operation order queue to be run;Isochronon is arrived
Institute defining operation time range, checks whether the precondition for closing Open Loop Operation meets:If it is satisfied, then Open Loop Operation will be closed
Ticket is issued to remote operation front end processor;
Remote operation front end processor:Receive the conjunction Open Loop Operation ticket that transformer station's remote operation ticket performing module is issued, which is parsed and
Stipulations are changed;Solution loop device foundation is closed with the transformer station for setting transformer station to communicate, and operation content is issued to transformer station and close solution
Loop device;
Solution loop device closes in transformer station:For executing the control centre for closing concrete operations of unlinking in transformer station, Open Loop Operation ticket is closed in parsing,
Concrete involutive ring chopper, unlink chopper, and the communication of back-up breaker, assigns sequence order, and real-time monitoring is executed
Process, takes corresponding measure in time, it is ensured that main equipment and power system security, stable.
2. 30 degree of phase angle difference distribution lines as claimed in claim 1 close Open Loop Operation system, it is characterised in that:The power distribution network
The calculating of solution inscription of loop and management module are closed when load transfer path optimization selects, optimization aim includes:1)The circulation of formation is relatively
Little;2)Conjunction risk of unlinking is less;3)The risk for closing failure of unlinking is less, and which starts to fall in the maximum duration that recovers, circulation edge
The main equipment on road will not be damaged;4)Open Loop Operation is closed, the malfunction along road relay protection will not be caused.
3. 30 degree of phase angle difference distribution lines as claimed in claim 1 close Open Loop Operation system, it is characterised in that:The power distribution network
Close solution inscription of loop calculate and management module it needs to be determined that parameter include:Operation transformer station numbering;Cyclization chopper is numbered;Unlink
Chopper is numbered;Operation starting time;Operate deadline;Calculate circulation peak value;The main equipment numbering group that necessary emphasis is monitored;
Other adjustment amounts related to the method for operation.
4. 30 degree of phase angle difference distribution lines as claimed in claim 1 close Open Loop Operation system, it is characterised in that:The distant place behaviour
Make front end processor to close between solution loop device using IEC61850 MMS with transformer station;Remote operation front end processor as client,
And solution loop device closes as server in transformer station.
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CN201611108353.9A CN106444589A (en) | 2016-12-06 | 2016-12-06 | 30-degree phase angle difference distributing line loop closing and opening operation system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111585275A (en) * | 2020-05-13 | 2020-08-25 | 国网浙江省电力有限公司绍兴供电公司 | Control method for intelligent loop opening and closing operation |
CN113098009A (en) * | 2021-05-10 | 2021-07-09 | 王文林 | Uninterrupted loop closing and power reversing method for 30-degree angle difference system of power distribution network |
CN115940189A (en) * | 2023-02-27 | 2023-04-07 | 江苏省电力试验研究院有限公司 | Phase shifter scheduling control system and method for realizing power grid power flow regulation and control |
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---|---|---|---|---|
CN111585275A (en) * | 2020-05-13 | 2020-08-25 | 国网浙江省电力有限公司绍兴供电公司 | Control method for intelligent loop opening and closing operation |
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CN113098009A (en) * | 2021-05-10 | 2021-07-09 | 王文林 | Uninterrupted loop closing and power reversing method for 30-degree angle difference system of power distribution network |
CN113098009B (en) * | 2021-05-10 | 2024-01-30 | 王文林 | Uninterrupted loop closing and reverse electricity method for 30-degree angle difference system of power distribution network |
CN115940189A (en) * | 2023-02-27 | 2023-04-07 | 江苏省电力试验研究院有限公司 | Phase shifter scheduling control system and method for realizing power grid power flow regulation and control |
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Application publication date: 20170222 |