CN105846436A - Electric power grid line controlling apparatus - Google Patents
Electric power grid line controlling apparatus Download PDFInfo
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- CN105846436A CN105846436A CN201610224294.5A CN201610224294A CN105846436A CN 105846436 A CN105846436 A CN 105846436A CN 201610224294 A CN201610224294 A CN 201610224294A CN 105846436 A CN105846436 A CN 105846436A
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- power station
- small power
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- 238000000034 method Methods 0.000 abstract description 19
- 230000001276 controlling effect Effects 0.000 description 23
- 230000005611 electricity Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
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- H02J3/382—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses an electric power grid line controlling apparatus which is used as follows. When the electric current flows from small hydropower plants to the bus of a power substation, the magnitude of voltage of these small hydropower plants is obtained respectively by breakers. A first small hydropower plant is determined with a magnitude of voltage greater than a first preset magnitude of voltage. A voltage modulator is adopted to control the voltage of the first small hydropower plant so that it falls below the first preset magnitude of voltage. When the electric current flows from the bus of a power substation to small hydropower plants, the magnitude of voltage of these small hydropower plants is obtained respectively by breakers. A second small hydropower plant is determined with a magnitude of voltage smaller than a second preset magnitude of voltage. A voltage modulator is adopted to control the voltage of the second small hydropower plant so that it rises above the second preset magnitude of voltage. According to the method and the apparatus provided by the invention, the occurrence of excessively high and low voltage on an electric power grid line can be prevented.
Description
Technical field
The invention belongs to electric power network and control technical field, be specifically related to a kind of electric power network line control unit.
Background technology
In the area that landform is many mountain areas, the layout of small hydropower station (hereinafter referred to as small power station) is the most intensive, utilizes same
The small hydropower station quantity that electric power network circuit carries out surfing the Net is more, the most up to 37 had.
When the wet season, direction of tide is for be flowed to substation busbars by small power station, and each small power station, must in order to generate electricity at full capacity
Its online voltage must be raised.Each small power station is interrelated, if arbitrary small power station raises online voltage, all can cause other small power station
Cannot normal power generation, so each small power station is in order to meet the economic interests of oneself, each raise its internal system voltage, result
Cause overtension on 10KV circuit.
When dry season, direction of tide is for be flowed to small power station and other terminal temperature difference by substation busbars, and each small power station is negative
Carry user.The distribution line accessed due to this more small power station must be mountain route, and radius of electricity supply is longer, and result causes electricity
On power power network line end, voltage is relatively low.
To sum up, prior art is needed badly each small power station's voltage on 10KV circuit is monitored, to avoid 10KV circuit
Upper overtension or too low.
Summary of the invention
Goal of the invention: the invention aims to solve deficiency of the prior art, it is provided that a kind of electric power network circuit control
Device processed, is monitored, to avoid electric power each small power station's voltage on electric power network circuit to overcome to need badly in prior art
Overtension or too low problem on power network line.
Technical scheme: a kind of electric power network line control unit of the present invention, corresponding every of described electric power network circuit
The online circuit of one small power station is all in series with chopper, described electric power network circuit is provided with corresponding with described chopper respectively
Pressure regulator, each chopper corresponding pressure regulator series connection, the device of described control electric power network line voltage distribution includes:
Judge module, for judging that described direction of tide information includes being flowed to substation busbars direction by small power station when direction of tide information
Information and flowed to small power station's directional information by described substation busbars；
First acquisition module, for when described direction of tide be described flowed to substation busbars directional information by small power station time, pass through respectively
Each described chopper obtains the magnitude of voltage of corresponding small power station；
First determines module, for determining that magnitude of voltage is more than the first small power station of the first preset voltage value；
First control module, carries out pressure regulation for controlling pressure regulator corresponding to described first small power station to described first small power station, so that institute
The voltage stating the first small power station is not more than described first preset voltage value；
Second acquisition module, for when described direction of tide be described flowed to small power station's directional information by described substation busbars time, respectively
The magnitude of voltage of corresponding small power station is obtained by chopper each described；
Second determines module, for determining that magnitude of voltage is less than the second small power station of the second preset voltage value；
Second control module, carries out pressure regulation for controlling pressure regulator corresponding to described second small power station to described second small power station, so that institute
The voltage stating the second small power station is not less than described second preset voltage value.
Further, described first control module and the second control module include computer processor, mainboard, respectively by main
Bus on plate is connected with microprocessor: power module, tripping operation module, logic module, human-machine exchange module and AC module.
Further, also include:
3rd control module, during for being more than described first preset voltage value when the voltage described first small power station being detected, controls and institute
State chopper corresponding to the first small power station to disconnect.
Further, also include:
3rd acquisition module, for obtaining the current value of corresponding small power station respectively by each described chopper；
3rd determines module, for determining that current value is more than the 3rd small power station of the first pre-set current value；
4th control module, is adjusted described 3rd small power station for the pressure regulator controlling described 3rd small power station corresponding, so that institute
The electric current stating the 3rd small power station is not higher than described first pre-set current value.
Further, also include:
5th determines module, for determining that current value is more than the 5th small power station of the second pre-set current value；
6th control module, disconnects for controlling chopper corresponding to described 5th small power station.
Further, also include:
4th acquisition module, for obtaining the current value of corresponding small power station respectively by each described chopper；
4th determines module, for determining that current value is less than the 4th small power station of the 3rd pre-set current value；
5th control module, is adjusted described 4th small power station for the pressure regulator controlling described 4th small power station corresponding, so that institute
The electric current stating the 4th small power station is not less than described 3rd pre-set current value.
The control method of above-mentioned a kind of electric power network line control unit, each small power station that described electric power network circuit is corresponding
Online circuit in be all in series with chopper, described electric power network circuit is provided with pressure regulator corresponding with described chopper respectively,
The pressure regulator series connection that each chopper is corresponding, the method for described control electric power network line voltage distribution includes:
Judge that described direction of tide information includes being flowed to substation busbars directional information and by described by small power station when direction of tide information
Substation busbars flows to small power station's directional information；
When described direction of tide be described flowed to substation busbars directional information by small power station time, respectively by each described chopper obtain
The magnitude of voltage of corresponding small power station；
Determine that magnitude of voltage is more than the first small power station of the first preset voltage value；
Control pressure regulator corresponding to described first small power station and described first small power station is carried out pressure regulation, when described first small power station being detected
When voltage is more than described first preset voltage value, controls the chopper corresponding with described first small power station and disconnect, so that described first
The voltage of small power station is not more than described first preset voltage value；
When described direction of tide be described flowed to small power station's directional information by described substation busbars time, respectively by each described chopper
Obtain the magnitude of voltage of corresponding small power station；
Determine that magnitude of voltage is less than the second small power station of the second preset voltage value；
Control pressure regulator corresponding to described second small power station and described second small power station is carried out pressure regulation, so that the voltage of described second small power station
It is not less than described second preset voltage value.
Further, after the described magnitude of voltage being obtained corresponding small power station respectively by each described chopper,
When described direction of tide be described flowed to small power station's directional information by described substation busbars time, respectively by each described open circuit
Also include before the magnitude of voltage of the small power station that device acquisition is corresponding:
The current value of corresponding small power station is obtained respectively by each described chopper；
Determine that current value is more than the 3rd small power station of the first pre-set current value；
Described 3rd small power station is adjusted by the pressure regulator controlling described 3rd small power station corresponding, so that the electric current of described 3rd small power station
Not higher than described first pre-set current value.
Further, after the described current value being obtained corresponding small power station respectively by each described chopper,
Also include:
Determine that current value is more than the 5th small power station of the second pre-set current value；Control chopper corresponding to described 5th small power station to disconnect.
Further, described when described direction of tide be described flowed to small power station's directional information by described substation busbars time,
Obtained the magnitude of voltage of corresponding small power station respectively by each described chopper after, also include:
The current value of corresponding small power station is obtained respectively by each described chopper；
Determine that current value is less than the 4th small power station of the 3rd pre-set current value；
Described 4th small power station is adjusted by the pressure regulator controlling described 4th small power station corresponding, so that the electric current of described 4th small power station
It is not less than described 3rd pre-set current value.
Beneficial effect: the electric power network line control unit of the present invention and method, when direction of tide is to be flowed to become by small power station
During electricity institute's generatrix direction information, showing in the wet season, now its system voltage can each improve in each small power station, at this moment can divide
Tong Guo not obtain the magnitude of voltage of corresponding small power station by each chopper, determine that magnitude of voltage is more than the of the first preset voltage value
One small power station, controls pressure regulator corresponding to described first small power station and described first small power station is carried out pressure regulation, so that described first little
The voltage of water power is not more than described first preset voltage value, owing to the voltage of each small power station is no more than the first preset voltage value institute
Will not be too high with voltage on 10KV circuit.When direction of tide is for being flowed to small power station's directional information by described substation busbars, table
Bright in dry season, now the voltage of each small power station is likely lower than preset value, the most respectively by each described chopper obtain with
The magnitude of voltage of the small power station of its correspondence, determines that magnitude of voltage is less than the second small power station of the second preset voltage value, controls described second
Pressure regulator corresponding to small power station carries out pressure regulation to described second small power station, so that the voltage of described second small power station is not less than described
Two preset voltage value.So that the voltage of electric power network line land line end will not be too low.
Accompanying drawing explanation
Fig. 1 is the electric power network line control unit structural representation of the present invention；
Fig. 2 is the electric power network line control unit electrical block diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on this
Embodiment in invention, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
The control method of a kind of electric power network line control unit of the present invention, is provided with in this electric power network circuit point
The pressure regulator the most corresponding with described chopper, the pressure regulator series connection that each chopper is corresponding, control electric power network line voltage distribution
Method include:
Step S101: judge when direction of tide information, described direction of tide information includes being flowed to substation busbars direction letter by small power station
Cease and flowed to small power station's directional information by described substation busbars.
Step S102: when described direction of tide is for being flowed to substation busbars directional information by small power station, respectively by each
Individual described chopper obtains the magnitude of voltage of corresponding small power station.
Step S103: determine that magnitude of voltage is more than the first small power station of the first preset voltage value.
Step S104: control pressure regulator corresponding to described first small power station and described first small power station is carried out pressure regulation, so that
The voltage of described first small power station is not more than described first preset voltage value.
Step S105: when described direction of tide be described flowed to small power station's directional information by described substation busbars time, point
Tong Guo not obtain the magnitude of voltage of corresponding small power station by each described chopper.
Step S106: determine that magnitude of voltage is less than the second small power station of the second preset voltage value.
Step S107: control pressure regulator corresponding to described second small power station and described second small power station is carried out pressure regulation, so that
The voltage of described second small power station is not less than described second preset voltage value.
First preset voltage value and the second preset voltage value can be stored in memory.
In a kind of method controlling electric power network line voltage distribution that the embodiment of the present invention provides, when direction of tide is by small power station
When flowing to substation busbars directional information, showing in the wet season, now its system voltage can each improve in each small power station, at this moment
The magnitude of voltage of corresponding small power station can be obtained respectively by each chopper, determine that magnitude of voltage is more than the first predeterminated voltage
First small power station of value, controls pressure regulator corresponding to described first small power station and described first small power station is carried out pressure regulation, so that described
The voltage of the first small power station is not more than described first preset voltage value, owing to the voltage of each small power station is preset electric no more than first
Pressure value is so voltage will not be too high on electric power network circuit.When direction of tide is for be flowed to small power station direction by described substation busbars
During information, showing in dry season, now the voltage of each small power station may be too low, is obtained by chopper each described the most respectively
Take the magnitude of voltage of corresponding small power station, determine that magnitude of voltage is less than the second small power station of the second preset voltage value, control described
Pressure regulator corresponding to the second small power station carries out pressure regulation to described second small power station, so that the voltage of described second small power station is not less than institute
State the second preset voltage value.So that the voltage of electric power network line land line end will not be too low.
It is understood that the voltage of some small power stations may be the highest, at this moment need immediately by electric power network circuit
Disconnect with this small power station, be just avoided that small power station's overtension causes the situation that on electric power network circuit, voltage is the most too high, have
Time pressure regulator may damage, when pressure regulator damage after, the voltage of corresponding small power station cannot be regulated, the most permissible
After actuator regulates complete small power station, again detect the voltage of this small power station, when voltage is the highest, then may determine that
Pressure regulator may damage, and now can directly be disconnected by chopper corresponding for this small power station, so after step s 104, also
Including: when the voltage described first small power station being detected is more than described first preset voltage value, control and described first little water
The chopper that electricity is corresponding disconnects.
It is understood that described respectively by each described chopper obtain corresponding small power station magnitude of voltage it
After, when described direction of tide be described flowed to small power station's directional information by described substation busbars time, respectively by described in each
Also include before the magnitude of voltage of the small power station that chopper acquisition is corresponding: it is right with it to be obtained by each described chopper respectively
The current value of the small power station answered；Determine that current value is more than the 3rd small power station of the first pre-set current value；Control described 3rd little water
Described 3rd small power station is adjusted by the pressure regulator that electricity is corresponding, so that the electric current of described 3rd small power station is not higher than described first pre-
If current value.
It is understood that the embodiment of the method for above-mentioned control electric power network line voltage distribution is passed through described in each respectively described
After chopper obtains the current value of corresponding small power station, also comprise determining that out that current value is more than the second pre-set current value
The 5th small power station；Control chopper corresponding to described 5th small power station to disconnect.
It is understood that described when described direction of tide be described to be flowed to small power station direction letter by described substation busbars
During breath, obtained the magnitude of voltage of corresponding small power station respectively by each described chopper after, also include: respectively by each
Individual described chopper obtains the current value of corresponding small power station；Determine that current value is less than the 4th little of the 3rd pre-set current value
Water power；Described 4th small power station is adjusted by the pressure regulator controlling described 4th small power station corresponding, so that described 4th little water
The electric current of electricity is not less than described 3rd pre-set current value.
The invention described above disclosed embodiment describes method in detail, can take various forms for the method for the present invention
Device realizes, and therefore the invention also discloses a kind of device, specific embodiment is given below and is described in detail.
Refer to Fig. 1, a kind of structural representation controlling electric power network line unit provided for the embodiment of the present invention, line
The online circuit of each small power station that road is corresponding is all in series with chopper, described circuit is provided with respectively with described chopper pair
The pressure regulator answered, the pressure regulator series connection that each chopper is corresponding, the device controlling electric power network line voltage distribution includes: sentence
Disconnected module the 201, first acquisition module 202, first determine module the 203, first control module the 204, second acquisition module
205, second determines module 206 and the second control module 207, wherein:
Judge module 201, for judging that described direction of tide information includes being flowed to substation busbars by small power station when direction of tide information
Directional information and flowed to small power station's directional information by described substation busbars.
First acquisition module 202, for being described to be flowed to substation busbars directional information by small power station when described direction of tide
Time, the magnitude of voltage of corresponding small power station is obtained respectively by each described chopper.
First determines module 203, for determining that magnitude of voltage is more than the first small power station of the first preset voltage value.First control
Molding block 204, carries out pressure regulation for controlling pressure regulator corresponding to described first small power station to described first small power station, so that described
The voltage of the first small power station is not more than described first preset voltage value.
Second acquisition module 205, for being described to be flowed to small power station direction by described substation busbars when described direction of tide
During information, obtained the magnitude of voltage of corresponding small power station respectively by each described chopper.
Second determines module 206, for determining that magnitude of voltage is less than the second small power station of the second preset voltage value.
Second control module 207, is carried out described second small power station for controlling pressure regulator corresponding to described second small power station
Pressure regulation, so that the voltage of described second small power station is not less than described second preset voltage value.
In a kind of device controlling electric power network line voltage distribution that the embodiment of the present invention provides, it is judged that module 201 is judged
When direction of tide is for being flowed to substation busbars directional information by small power station, showing in the wet season, now each small power station can each carry
Its system voltage high, at this moment the first acquisition module 202 obtains the voltage of corresponding small power station respectively by each chopper
Value, first determines that module 203 determines that magnitude of voltage is more than the first small power station of the first preset voltage value, the first control module 204
Control pressure regulator corresponding to described first small power station and described first small power station is carried out pressure regulation, so that the voltage of described first small power station
It is not more than described first preset voltage value, due to the voltage of each small power station no more than the first preset voltage value so circuit powers on
Pressure will not be too high.Judge module 201 is judged when direction of tide is to be flowed to small power station's directional information by described substation busbars,
Showing in dry season, now the voltage of each small power station may be too low, and now the second acquisition module 205 is respectively by each institute
Stating chopper and obtain the magnitude of voltage of corresponding small power station, second determines that module 206 determines that magnitude of voltage is less than second and presets
Second small power station of magnitude of voltage, the second control module 207 controls pressure regulator corresponding to described second small power station to described second little
Water power carries out pressure regulation, so that the voltage of described second small power station is not less than described second preset voltage value.So that electric power network line
The voltage of land line end will not be too low.
The device of above-mentioned control electric power network line voltage distribution can also include the 3rd control module, for when detect described the
When the voltage of one small power station is more than described first preset voltage value, controls the chopper corresponding with described first small power station and disconnect.
The device of above-mentioned control electric power network line voltage distribution can also include the 3rd acquisition module, for respectively by each institute
State chopper and obtain the current value of corresponding small power station；3rd determines module, is used for determining that current value is more than first and presets
3rd small power station of current value；4th control module, for controlling pressure regulator corresponding to described 3rd small power station to the described 3rd
Small power station is adjusted, so that the electric current of described 3rd small power station is not higher than described first pre-set current value.
The device of above-mentioned control electric power network line voltage distribution can also include that the 5th determines module, is used for determining that current value is big
The 5th small power station in the second pre-set current value；6th control module, breaks for controlling chopper corresponding to described 5th small power station
Open.
The device of above-mentioned control electric power network line voltage distribution can also include the 4th acquisition module, for respectively by each institute
State chopper and obtain the current value of corresponding small power station；4th determines module, is used for determining that current value is less than the 3rd and presets
4th small power station of current value；5th control module, for controlling pressure regulator corresponding to described 4th small power station to the described 4th
Small power station is adjusted, so that the electric current of described 4th small power station is not less than described 3rd pre-set current value.
The device controlling electric power network line voltage distribution that the embodiment of the present invention provides more is understood for those skilled in the art,
Enumerate the application drawing of a kind of 10KV circuit below.Refer to Fig. 2, include control 10KV line for what the embodiment of the present invention provided
The circuit diagram of the circuit of the device of road voltage.
Circuit including the device controlling 10KV line voltage distribution: control the device 301 of 10KV line voltage distribution, 10KV line
Road the 303, second small power station 304 of the 302, first small power station, pressure regulator 305, pressure regulator 306, chopper 307 and open circuit
Device 308, wherein:
The device 301 controlling electric power network line voltage distribution judges when direction of tide information.Control the device of electric power network line voltage distribution
301 judge that described direction of tide is described when being flowed to substation busbars directional information by small power station, respectively by chopper 307
And chopper 308 obtains the magnitude of voltage of corresponding small power station.The device 301 controlling electric power network line voltage distribution is true
Make the magnitude of voltage the first small power station 303 more than the first preset voltage value, control the pressure regulation of described first small power station 303 correspondence
Device 305 carries out pressure regulation to described first small power station 303, so that the voltage of described first small power station 303 is not more than described
One preset voltage value.The device 301 controlling electric power network line voltage distribution judges that described direction of tide is described by described power transformation
When institute's bus flows to small power station's directional information, obtain corresponding little water by chopper 307 and chopper 308 respectively
The magnitude of voltage of electricity.The device 301 controlling 10KV line voltage distribution determines that magnitude of voltage is less than the second little water of the second preset voltage value
Electricity.Control the device 301 of electric power network line voltage distribution and control the pressure regulator 306 of described second small power station 304 correspondence to the
Two small power stations carry out pressure regulation, so that the voltage of described second small power station is not less than described second preset voltage value.
Fig. 2 merely illustrates the situation comprising an electric power network circuit, controls electric power network circuit in actual applications
The device of voltage can control the voltage of each small power station in one or more 10KV circuit simultaneously.
Electric power network circuit in Fig. 2 includes Liang Ge small power station, can be multiple small power station in actual applications, this
This is not especially limited by bright embodiment.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe, each embodiment emphasis
Illustrate is all the difference with other embodiments, and between each embodiment, identical similar part sees mutually.For
For device or system class embodiment, due to itself and embodiment of the method basic simlarity, so describe is fairly simple, relevant part
The part seeing embodiment of the method illustrates.
Also, it should be noted in this article, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and not necessarily require or imply existence between these entities or operation
The relation of any this reality or order.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include those key elements,
But also include other key elements being not expressly set out, or also include being consolidated by this process, method, article or equipment
Some key elements.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that at bag
Include and the process of described key element, method, article or equipment there is also other identical element.
The method described in conjunction with the embodiments described herein or the step of algorithm can directly use hardware, processor to perform
Software module, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only
Memorizer (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc,
In any other form of storage medium well known in CD-ROM or technical field.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.Right
The multiple amendment of these embodiments will be apparent from for those skilled in the art, as defined herein typically
Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will not
Can be intended to be limited to the embodiments shown herein, and be to fit to consistent with principles disclosed herein and features of novelty
Wide scope.
Claims (6)
1. an electric power network line control unit, it is characterised in that: the online of each small power station that described electric power network circuit is corresponding
Circuit is all in series with chopper, described electric power network circuit is provided with pressure regulator corresponding with described chopper respectively, each
The pressure regulator series connection that chopper is corresponding, the device of described control electric power network line voltage distribution includes:
Judge module, for judging that described direction of tide information includes being flowed to substation busbars direction by small power station when direction of tide information
Information and flowed to small power station's directional information by described substation busbars；
First acquisition module, for when described direction of tide be described flowed to substation busbars directional information by small power station time, pass through respectively
Each described chopper obtains the magnitude of voltage of corresponding small power station；
First determines module, for determining that magnitude of voltage is more than the first small power station of the first preset voltage value；
First control module, carries out pressure regulation for controlling pressure regulator corresponding to described first small power station to described first small power station, so that institute
The voltage stating the first small power station is not more than described first preset voltage value；
Second acquisition module, for when described direction of tide be described flowed to small power station's directional information by described substation busbars time, respectively
The magnitude of voltage of corresponding small power station is obtained by chopper each described；
Second determines module, for determining that magnitude of voltage is less than the second small power station of the second preset voltage value；
Second control module, carries out pressure regulation for controlling pressure regulator corresponding to described second small power station to described second small power station, so that institute
The voltage stating the second small power station is not less than described second preset voltage value.
A kind of electric power network line control unit the most according to claim 1, it is characterised in that: described first control module and
Second control module includes computer processor, mainboard, is connected with microprocessor by the bus on mainboard respectively: power module,
Tripping operation module, logic module, human-machine exchange module and AC module.
A kind of electric power network line control unit the most according to claim 1, it is characterised in that: also include:
3rd control module, during for being more than described first preset voltage value when the voltage described first small power station being detected, controls and institute
State chopper corresponding to the first small power station to disconnect.
A kind of electric power network line control unit the most according to claim 1, it is characterised in that: also include:
3rd acquisition module, for obtaining the current value of corresponding small power station respectively by each described chopper；
3rd determines module, for determining that current value is more than the 3rd small power station of the first pre-set current value；
4th control module, is adjusted described 3rd small power station for the pressure regulator controlling described 3rd small power station corresponding, so that institute
The electric current stating the 3rd small power station is not higher than described first pre-set current value.
A kind of electric power network line control unit the most according to claim 4, it is characterised in that: also include:
5th determines module, for determining that current value is more than the 5th small power station of the second pre-set current value；
6th control module, disconnects for controlling chopper corresponding to described 5th small power station.
A kind of electric power network line control unit the most according to claim 1, it is characterised in that: also include:
4th acquisition module, for obtaining the current value of corresponding small power station respectively by each described chopper；
4th determines module, for determining that current value is less than the 4th small power station of the 3rd pre-set current value；
5th control module, is adjusted described 4th small power station for the pressure regulator controlling described 4th small power station corresponding, so that institute
The electric current stating the 4th small power station is not less than described 3rd pre-set current value.
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| CN201610224294.5A CN105846436A (en) | 2016-04-12 | 2016-04-12 | Electric power grid line controlling apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106026173A (en) * | 2016-08-01 | 2016-10-12 | 芜湖诚通自动化设备有限公司 | Power grid power voltage equalization control apparatus and control method thereof |
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