CN105429148B - A kind of Regulation Control method, apparatus and system - Google Patents
A kind of Regulation Control method, apparatus and system Download PDFInfo
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- CN105429148B CN105429148B CN201510991267.6A CN201510991267A CN105429148B CN 105429148 B CN105429148 B CN 105429148B CN 201510991267 A CN201510991267 A CN 201510991267A CN 105429148 B CN105429148 B CN 105429148B
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 10
- 108010001267 Protein Subunits Proteins 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
Abstract
This application provides a kind of Regulation Control method, apparatus and system, Regulation Control method includes：Main control unit obtains the first end voltage for the power circuit that reactive power compensator is gathered；For main control unit when judging first end voltage not in normal voltage range, control reactive power compensator adjusts the first end voltage, obtains second end voltage；Whether main control unit judges second end voltage in normal voltage range；If so, then stop pressure regulation；If it is not, then main control unit sends upshift command when second end voltage is less than lower voltage limit to from control unit；Main control unit sends downshift command when second end voltage is more than upper voltage limit, to from control unit.In this application, the mutually coordinated of reactive power compensator and ULTC is realized, situation about being adjusted repeatedly to power circuit voltage is avoided and occurs, improve the stability of power system.
Description
Technical field
The application is related to power domain, more particularly to a kind of Regulation Control method, apparatus and system.
Background technology
Voltage is an important quality index in power system.In power system normal operation, due to the ripple of supply voltage
Dynamic and load change, makes the supply voltage of system change often, and the variation of voltage will use the work of electric equipment
There is exception, directly affect production and daily life.
Wherein, the ULTC positioned at power circuit head end and the reactive power compensator positioned at power circuit end
Voltage regulation function is provided with, pressure regulation is carried out to it when supply voltage changes.But the voltage regulation function of ULTC
Implement alone with the voltage regulation function of reactive power compensator, both can not coordinate mutually, so as to cause to occur in supply voltage
During fluctuation, both meetings carry out pressure regulation simultaneously, may cause the voltage after regulation still above upper voltage limit or less than lower voltage limit,
Afterwards ULTC and reactive power compensator continue pressure regulation, cause ULTC and reactive power compensator
Supply voltage is adjusted repeatedly, is unfavorable for the stabilization of power system.
The content of the invention
In order to solve the above technical problems, the embodiment of the present application provides a kind of Regulation Control method, apparatus and system, to reach
The situation for avoiding adjusting electric power line voltage repeatedly occurs, and improves the purpose of the stability of power system, technical scheme is such as
Under：
A kind of Regulation Control method, including：
Main control unit obtains the first end voltage for the power circuit that reactive power compensator is gathered；
The main control unit controls the nothing when judging the first end voltage not in normal voltage range
Reactive power compensation installations adjust the first end voltage, obtain second end voltage；
Whether the main control unit judges the second end voltage in normal voltage range；
If so, then stop pressure regulation；
If it is not, then the main control unit is sent out when the second end voltage is less than lower voltage limit to from control unit
Upshift command is sent, so that described adjust the power line from control unit according to upshift command control ULTC
The head end voltage on road；
The main control unit drops when the second end voltage is more than upper voltage limit to described sent from control unit
Shelves instruction, so that described adjust the power circuit from control unit according to downshift command control ULTC
Head end voltage.
Preferably, the main control unit includes to the process that upshift command is sent from control unit：
The main control unit is in the main control unit and described from establishing wireless transfer channel between control unit；
The main control unit sends upshift command to described by the wireless transfer channel from control unit.
Preferably, the main control unit includes to the process that downshift command is sent from control unit：
The main control unit is in the main control unit and described from establishing wireless transfer channel between control unit；
The main control unit sends downshift command to described by the wireless transfer channel from control unit.
Preferably, the normal voltage range is 220V*0.98~220V*1.06；
Wherein, the 220V*0.98 is the lower voltage limit, and the 220V*1.06 is the upper voltage limit.
A kind of Regulation Control device, including：Acquiring unit, the first control unit, judging unit, the second control unit,
One transmitting element and the second transmitting element, wherein：
Acquiring unit, the first end voltage of the power circuit gathered for obtaining reactive power compensator；
First control unit, for when judging the first end voltage not in normal voltage range, controlling institute
State reactive power compensator and adjust the first end voltage, obtain second end voltage；
Judging unit, for judging the second end voltage whether in normal voltage range, if so, then triggering second
Control unit stops pressure regulation, if otherwise triggering the first transmitting element when the second end voltage is less than lower voltage limit, Xiang Cong
Control unit sends upshift command, so that described adjusted from control unit according to upshift command control ULTC
The head end voltage of the power circuit；Or, the second transmitting element is triggered when the second end voltage is more than upper voltage limit, to
It is described to send downshift command from control unit, so that described control on-load voltage regulation transformation from control unit according to the downshift command
Device adjusts the head end voltage of the power circuit.
Preferably, first transmitting element includes：
First establishes subelement, for the Regulation Control device and it is described between control unit establish be wirelessly transferred
Passage；
First transmission sub-unit, for sending upshift command from control unit to described by the wireless transfer channel.
Preferably, second transmitting element includes：
Second establishes subelement, for the Regulation Control device and it is described between control unit establish be wirelessly transferred
Passage；
Second transmission sub-unit, for sending downshift command from control unit to described by the wireless transfer channel.
A kind of voltage control system, including reactive power compensator, ULTC, appoint from control unit and as described above
Regulation Control device described in meaning one；
The Regulation Control device is connected with the reactive power compensator；
It is described to be connected from control unit with the ULTC；
The Regulation Control device is connected with described from control unit；
It is described from control unit, the upshift command for being sent according to the Regulation Control device controls on-load voltage regulation transformation
The head end voltage of device regulation power circuit or the downshift command sent according to the Regulation Control device control on-load voltage regulation transformation
Device adjusts the head end voltage of power circuit；
The reactive power compensator, for adjusting the terminal voltage of the power circuit；
The ULTC, for adjusting the head end voltage of the power circuit.
Compared with prior art, the application has the beneficial effect that：
In this application, main control unit control reactive power compensator, ULTC is controlled from control unit.Its
In, main control unit controls the voltage of reactive power compensator regulation power circuit first, and the voltage of power circuit is still after adjustment
When not in normal voltage range, main control unit sends upshift command or downshift command to from control unit, so that from control
Unit realizes reactive-load compensation according to upshift command or the voltage of downshift command control ULTC regulation power circuit
Device and ULTC it is mutually coordinated, avoid ULTC and reactive power compensator while adjusted
Pressure, occur so as to avoid situation about being adjusted repeatedly to electric power line voltage, improve the stability of power system.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is a kind of flow chart for the Regulation Control method that the application provides；
Fig. 2 is a kind of sub-process figure for the Regulation Control method that the application provides；
Fig. 3 is another sub-process figure for the Regulation Control method that the application provides；
Fig. 4 is a kind of logical construction schematic diagram for the Regulation Control device that the application provides；
Fig. 5 is a kind of logical construction schematic diagram for the voltage control system that the application provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of the application protection.
Embodiment one
Fig. 1 is referred to, a kind of flow chart of the Regulation Control method provided it illustrates the application, following step can be included
Suddenly：
Step S11：Main control unit obtains the first end voltage for the power circuit that reactive power compensator is gathered.
In the present embodiment, RS485 communication mode is used between main control unit and reactive power compensator, it is logical in communication
After road is established, main control unit can be to obtain the terminal voltage for the power circuit that reactive power compensator is gathered.
Step S12：The main control unit is when judging the first end voltage not in normal voltage range, control
Make the reactive power compensator and adjust the first end voltage, obtain second end voltage.
Step S13：Whether the main control unit judges the second end voltage in normal voltage range.
If so, step S14 is then performed, if it is not, then performing step S15 or step S16.
Step S14：Stop pressure regulation.
Step S15：The main control unit is sent out when the second end voltage is less than lower voltage limit to from control unit
Upshift command is sent, so that described adjust the power line from control unit according to upshift command control ULTC
The head end voltage on road.
Step S16：The main control unit is when the second end voltage is more than upper voltage limit, to described from control list
Member sends downshift command, so that described adjust the electricity from control unit according to downshift command control ULTC
The head end voltage on line of force road.
It should be noted that reactive power compensator is located at the end of power circuit, ULTC is located at power line
The head end on road, the terminal voltage of power circuit is adjusted by reactive power compensator, power circuit is adjusted by ULTC
Head end voltage, so as to realize the regulation to the voltage of power circuit.
In this application, a step S11- step S16 will be performed every preset time, realized to electric power line voltage
Uninterrupted monitoring and regulation.
In this application, main control unit control reactive power compensator, ULTC is controlled from control unit.Its
In, main control unit controls the voltage of reactive power compensator regulation power circuit first, and the voltage of power circuit is still after adjustment
When not in normal voltage range, main control unit sends upshift command or downshift command to from control unit, so that from control
Unit realizes reactive-load compensation according to upshift command or the voltage of downshift command control ULTC regulation power circuit
Device and ULTC it is mutually coordinated, avoid ULTC and reactive power compensator while adjusted
Pressure, occur so as to avoid situation about being adjusted repeatedly to electric power line voltage, improve the stability of power system.
In the present embodiment, in the present embodiment, main control unit and from the communication modes between control unit be wireless
Transmission, specifically：
The main control unit refers to Fig. 2 to the process that upshift command is sent from control unit, can include following step
Suddenly：
Step S21：The main control unit is in the main control unit and described from establishing wireless pass between control unit
Defeated passage.
Step S22：The main control unit is referred to by the wireless transfer channel to described from control unit transmission upshift
Order.
The main control unit may refer to Fig. 3 to the process that downshift command is sent from control unit, can include
Following steps：
Step S31：The main control unit is in the main control unit and described from establishing wireless pass between control unit
Defeated passage.
Step S32：The main control unit is referred to by the wireless transfer channel to described from control unit transmission downshift
Order.
In the present embodiment, the normal voltage range is specifically as follows：220V*0.98~220V*1.06.Wherein, institute
It is the lower voltage limit to state 220V*0.98, and the 220V*1.06 is the upper voltage limit.
Embodiment two
It is corresponding with the embodiment of the Regulation Control method shown in Fig. 1, please this application provides a kind of Regulation Control device
Referring to Fig. 4, a kind of logical construction schematic diagram of the Regulation Control device provided it illustrates the application, Regulation Control device bag
Include：Acquiring unit 41, the first control unit 42, judging unit 43, the second control unit 44, the first transmitting element 45 and the second hair
Send unit 46.
Acquiring unit 41, the first end voltage of the power circuit gathered for obtaining reactive power compensator.
First control unit 42, for when judging the first end voltage not in normal voltage range, controlling
The reactive power compensator adjusts the first end voltage, obtains second end voltage.
Judging unit 43, for judging the second end voltage whether in normal voltage range, if so, then stopping adjusting
Pressure, if otherwise triggering the first transmitting element 45 when the second end voltage is less than lower voltage limit, sends to from control unit
Upshift command, so that described adjust the power circuit from control unit according to upshift command control ULTC
Head end voltage；Or, the second transmitting element 46 is triggered when the second end voltage is more than upper voltage limit, to described from control
Unit sends downshift command, so that described control described in ULTC regulation from control unit according to the downshift command
The head end voltage of power circuit.
In the present embodiment, the first transmitting element 45 can specifically include：First, which establishes subelement and first, sends son list
Member.
First establishes subelement, for the Regulation Control device and it is described between control unit establish be wirelessly transferred
Passage；
First transmission sub-unit, for sending upshift command from control unit to described by the wireless transfer channel.
In the present embodiment, the second transmitting element 46 can specifically include：Second, which establishes subelement and second, sends son list
Member.
Second establishes subelement, for the Regulation Control device and it is described between control unit establish be wirelessly transferred
Passage；
Second transmission sub-unit, for sending downshift command from control unit to described by the wireless transfer channel.
Embodiment three
In the present embodiment, a kind of voltage control system is shown, refers to Fig. 5, voltage control system includes：Idle benefit
Repay device 51, ULTC 52, from control unit 53 and Regulation Control device 54.
Wherein, the concrete structure of Regulation Control device 54 and function refer to embodiment two, will not be repeated here.
The Regulation Control device 54 is connected with the reactive power compensator 51.
It is described to be connected from control unit 53 with the ULTC 52.
The Regulation Control device 54 is connected with described from control unit 53.
The upshift command for being used to send according to the Regulation Control device 54 from control unit 53 controls on-load voltage regulation
The downshift command control that transformer 52 adjusts the head end voltage of power circuit or sent according to the Regulation Control device 54 has load
Adjustable transformer 52 adjusts the head end voltage of power circuit.
The reactive power compensator 51, for adjusting the terminal voltage of the power circuit.
The ULTC 52, for adjusting the head end voltage of the power circuit.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For device class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is joined
See the part explanation of embodiment of the method.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
A kind of Regulation Control method, apparatus and system provided herein are described in detail above, herein
Apply specific case to be set forth the principle and embodiment of the application, the explanation of above example is only intended to help
Understand the present processes and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the application,
There will be changes in specific embodiments and applications, in summary, this specification content should not be construed as to this
The limitation of application.
Claims (4)
- A kind of 1. Regulation Control method, it is characterised in that including：Main control unit obtains the first end voltage for the power circuit that reactive power compensator is gathered；The main control unit controls the idle benefit when judging the first end voltage not in normal voltage range Repay device and adjust the first end voltage, obtain second end voltage；Whether the main control unit judges the second end voltage in normal voltage range；If so, then stop pressure regulation；If it is not, then the main control unit rises when the second end voltage is less than lower voltage limit to being sent from control unit Shelves instruction, so that described adjust the power circuit from control unit according to upshift command control ULTC Head end voltage, the main control unit include to the process that upshift command is sent from control unit：The main control unit is in institute State main control unit and described from establishing wireless transfer channel between control unit；The main control unit passes through the wireless biography Defeated passage sends upshift command to described from control unit；The main control unit refers to when the second end voltage is more than upper voltage limit to described from control unit transmission downshift Order, so that the head end for adjusting the power circuit according to downshift command control ULTC from control unit Voltage, the main control unit include to the process that downshift command is sent from control unit：The main control unit is in institute State main control unit and described from establishing wireless transfer channel between control unit；The main control unit passes through the wireless biography Defeated passage sends downshift command to described from control unit.
- 2. according to the method for claim 1, it is characterised in that the normal voltage range is 220V*0.98~220V* 1.06；Wherein, the 220V*0.98 is the lower voltage limit, and the 220V*1.06 is the upper voltage limit.
- A kind of 3. Regulation Control device, it is characterised in that including：Acquiring unit, the first control unit, judging unit, the second control Unit, the first transmitting element and the second transmitting element processed, wherein：Acquiring unit, the first end voltage of the power circuit gathered for obtaining reactive power compensator；First control unit, for when judging the first end voltage not in normal voltage range, controlling the nothing Reactive power compensation installations adjust the first end voltage, obtain second end voltage；Judging unit, for judging the second end voltage whether in normal voltage range, if so, the then control of triggering second Unit stops pressure regulation, if otherwise triggering the first transmitting element when the second end voltage is less than lower voltage limit, to from control Unit sends upshift command, so that described control described in ULTC regulation from control unit according to the upshift command The head end voltage of power circuit；Or, the second transmitting element of triggering is when the second end voltage is more than upper voltage limit, to described Downshift command is sent from control unit, so that described adjust from control unit according to downshift command control ULTC Save the head end voltage of the power circuit；First transmitting element includes：First establishes subelement, for the Regulation Control device and it is described between control unit establish be wirelessly transferred it is logical Road；First transmission sub-unit, for sending upshift command from control unit to described by the wireless transfer channel；Second transmitting element includes：Second establishes subelement, for the Regulation Control device and it is described between control unit establish be wirelessly transferred it is logical Road；Second transmission sub-unit, for sending downshift command from control unit to described by the wireless transfer channel.
- 4. a kind of voltage control system, it is characterised in that including reactive power compensator, ULTC, from control unit With Regulation Control device as claimed in claim 3；The Regulation Control device is connected with the reactive power compensator；It is described to be connected from control unit with the ULTC；The Regulation Control device is connected with described from control unit；It is described from control unit, the upshift command control ULTC for being sent according to the Regulation Control device is adjusted The downshift command control ULTC for saving the head end voltage of power circuit or being sent according to the Regulation Control device is adjusted Save the head end voltage of power circuit；The reactive power compensator, for adjusting the terminal voltage of the power circuit；The ULTC, for adjusting the head end voltage of the power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991267.6A CN105429148B (en) | 2015-12-24 | 2015-12-24 | A kind of Regulation Control method, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991267.6A CN105429148B (en) | 2015-12-24 | 2015-12-24 | A kind of Regulation Control method, apparatus and system |
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| Publication Number | Publication Date |
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| CN105429148A CN105429148A (en) | 2016-03-23 |
| CN105429148B true CN105429148B (en) | 2018-03-16 |
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| CN201510991267.6A Active CN105429148B (en) | 2015-12-24 | 2015-12-24 | A kind of Regulation Control method, apparatus and system |
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| CN112583010B (en) * | 2020-12-15 | 2023-03-24 | 云南电网有限责任公司 | Method and device for determining equivalent parameters of electrolytic load rectified by thyristor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200038U (en) * | 1985-04-01 | 1985-10-10 | 清华大学 | Reactive-voltage general control unit by microcomputer |
| CN101540509A (en) * | 2009-01-12 | 2009-09-23 | 杭州德力西集团有限公司 | Voltage reactive power control method of substation |
| CN105099311A (en) * | 2014-05-21 | 2015-11-25 | 国网山东省电力公司济南供电公司 | On-load capacity and voltage regulating transformer control device capable of performing communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5502504B2 (en) * | 2010-01-25 | 2014-05-28 | 株式会社東芝 | Substation automatic control system |
-
2015
- 2015-12-24 CN CN201510991267.6A patent/CN105429148B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200038U (en) * | 1985-04-01 | 1985-10-10 | 清华大学 | Reactive-voltage general control unit by microcomputer |
| CN101540509A (en) * | 2009-01-12 | 2009-09-23 | 杭州德力西集团有限公司 | Voltage reactive power control method of substation |
| CN105099311A (en) * | 2014-05-21 | 2015-11-25 | 国网山东省电力公司济南供电公司 | On-load capacity and voltage regulating transformer control device capable of performing communication |
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| CN105429148A (en) | 2016-03-23 |
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