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 PDF

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Publication number
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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CN
China
Prior art keywords
open loop
transformer station
ticket
phase angle
solution
Prior art date
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Pending
Application number
CN201611108353.9A
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Chinese (zh)
Inventor
朱炳铨
金乃正
孙维真
张亮
杨才明
张静
谢栋
章坚民
罗刚
相炜
金渊文
俞佳
沈谷
沈雅琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHAOXING ELECTRIC POWER COMPLETE EQUIPMENT CO
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Hangzhou Electronic Science and Technology University
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
SHAOXING ELECTRIC POWER COMPLETE EQUIPMENT CO
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Hangzhou Electronic Science and Technology University
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHAOXING ELECTRIC POWER COMPLETE EQUIPMENT CO, State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Hangzhou Electronic Science and Technology University, Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical SHAOXING ELECTRIC POWER COMPLETE EQUIPMENT CO
Priority to CN201611108353.9A priority Critical patent/CN106444589A/en
Publication of CN106444589A publication Critical patent/CN106444589A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/048Monitoring; 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

30 degree of phase angle difference distribution lines close Open Loop Operation system
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.
CN201611108353.9A 2016-12-06 2016-12-06 30-degree phase angle difference distributing line loop closing and opening operation system Pending CN106444589A (en)

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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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CN111585275B (en) * 2020-05-13 2023-08-22 国网浙江省电力有限公司绍兴供电公司 Control method for intelligent ring 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
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