CN109638847A - Power grid control method and grid control system - Google Patents
Power grid control method and grid control system Download PDFInfo
- Publication number
- CN109638847A CN109638847A CN201910111815.XA CN201910111815A CN109638847A CN 109638847 A CN109638847 A CN 109638847A CN 201910111815 A CN201910111815 A CN 201910111815A CN 109638847 A CN109638847 A CN 109638847A
- Authority
- CN
- China
- Prior art keywords
- load
- power grid
- steam extraction
- unit
- battery
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
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
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Power grid control method provided in an embodiment of the present invention and grid control system, are related to power grid control technical field.The power grid control method includes: when needing to provide load to power grid, and electronic equipment generates a load instruction, and the load instruction is respectively sent to battery and steam extraction pitch;The battery provides whole loads that the power grid needs to the power grid according to the load instruction;The steam extraction pitch provides load to the power grid according to the unit that load instruction control is connect with the steam extraction pitch, wherein the load that the unit provides is sequentially increased;The electronic equipment controls the battery and reduces the load currently provided when the unit starts to provide load, so that the battery stops providing load to the power grid when the unit provides whole loads of power grid needs to the power grid.By the above method, the efficiency of power grid control can be improved.
Description
Technical field
The present invention relates to power grid control technical fields, in particular to a kind of power grid control method and power grid control system
System.
Background technique
As the accounting of wind-powered electricity generation, photovoltaic, water power in power grid continues to increase, large-sized DC boiler is increasing, and
The average load rate of unit is lower, and the frequency of unit primary frequency modulation movement is continuously increased, and the number acted daily is up to up to a hundred
It is secondary.For the primary frequency modulation performance for maintaining unit, the sliding pressure operation parameter of usual unit is higher, and the high pitch of steam turbine is maintained at lower and opens
Degree.But through inventor the study found that in the prior art, if only participating in primary frequency modulation, the high pitch of the steam turbine of unit by unit
It is maintained at lower aperture, will cause that steam turbine pitch restriction loss is larger, and economic performance is weaker;If only participating in primary adjust by battery
Frequently, it will cause the wasting of resources and influence battery life, thus the problem of there is the low efficiencys of power grid control.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of power grid control method and grid control system, it is existing to improve
There is the problem of technology.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that
A kind of power grid control method, this method comprises:
When needing to provide load to power grid, electronic equipment generates a load instruction, and the load instruction is sent respectively
To battery and steam extraction pitch;
The battery provides whole loads that the power grid needs to the power grid according to the load instruction;
The steam extraction pitch is provided according to the unit that load instruction control is connect with the steam extraction pitch to the power grid
Load, wherein the load that the unit provides is sequentially increased;
The electronic equipment controls the battery and reduces the load currently provided when the unit starts to provide load,
So that the battery stops providing to the power grid negative when the unit provides whole loads of power grid needs to the power grid
Lotus.
In the embodiment of the present invention preferably selects, described when needing to provide load to power grid, electronic equipment generates one
Load instruction, and the step of load instruction is respectively sent to battery and steam extraction pitch includes:
The electronic equipment detects network load, to calculate the load of power grid needs;
The electronic equipment generates a load instruction according to the load that power grid needs, and the load instruction is respectively sent to
Battery and steam extraction pitch.
In the embodiment of the present invention preferably selects, the steam extraction pitch is according to load instruction control and the steam extraction tune
Door connection unit to the power grid provide load the step of include:
The steam extraction pitch receives the load instruction that the electronic equipment issues;
The steam extraction pitch adjusts the aperture of the steam extraction pitch according to the load instruction to control and the steam extraction tune
The throttle flow of the unit of door connection increases to control the load that the unit is provided to the power grid according to determining rate.
In the embodiment of the present invention preferably selects, the steam extraction pitch is according to load instruction control and the steam extraction tune
The step of unit of door connection provides load to the power grid further include:
The steam extraction pitch receives the load instruction that the electronic equipment issues;
The steam extraction pitch adjusts the aperture of the steam extraction pitch according to the load instruction to control and the steam extraction tune
The throttle flow of the unit of door connection increases by one based on the load currently provided at interval of a preset duration to control the unit
Default load.
In the embodiment of the present invention preferably selects, the electronic equipment is when the unit starts to provide load, control
The battery reduces the load currently provided, so as to provide whole loads that the power grid needs to the power grid in the unit
When, the battery stop to the power grid provide load the step of include:
When the electronic equipment detects the load of the unit output greater than zero, Xiang Suoshu battery sends a control letter
Number;
Signal is controlled described in the battery receptacle, and the load provided to the power grid is provided based on the control signal, so that
The load that the sum of the load that the load and the unit that the battery provides provide needs for power grid.
The embodiment of the invention also provides a kind of grid control system, which includes:
Electronic equipment, for generating a load instruction, and the load instruction is distinguished when needing to provide load to power grid
It is sent to battery and steam extraction pitch;
Battery, for providing whole loads that the power grid needs to the power grid according to the load instruction;
Steam extraction pitch, the unit for being connect according to load instruction control with the steam extraction pitch are provided to the power grid
Load, wherein the load that the unit provides is sequentially increased;
Wherein, the electronic equipment is also used to, and when the unit starts to provide load, is controlled the battery and is reduced currently
The load of offer so that the unit to the power grid provide the power grid need whole loads when, the battery stop to
The power grid provides load.
In the embodiment of the present invention preferably selects, the electronic equipment is also used to, and network load is detected, to calculate power grid
The load needed;
The electronic equipment is also used to, and generates a load instruction according to the load that power grid needs, and the load instruction is divided
It is not sent to battery and steam extraction pitch.
In the embodiment of the present invention preferably selects, the steam extraction pitch is also used to, and receives what the electronic equipment issued
Load instruction;
The steam extraction pitch is also used to, the aperture of the steam extraction pitch is adjusted according to the load instruction with control with it is described
The throttle flow of the unit of steam extraction pitch connection, to control load that the unit is provided to the power grid according to determining rate
Increase.
In the embodiment of the present invention preferably selects, the steam extraction pitch is also used to, and receives what the electronic equipment issued
Load instruction;
The steam extraction pitch is also used to, the aperture of the steam extraction pitch is adjusted according to the load instruction with control with it is described
The throttle flow of the unit of steam extraction pitch connection, to control the unit at interval of a preset duration based on the load currently provided
Increase by a default load.
In the embodiment of the present invention preferably selects, the electronic equipment is also used to, when detecting unit output
When load is greater than zero, Xiang Suoshu battery sends a control signal;
The battery is also used to, and receives the control signal, and reduce to the negative of power grid offer based on the control signal
Lotus, so that the load that the sum of the load that load and the unit that the battery provides provide needs for power grid.
Power grid control method provided in an embodiment of the present invention and grid control system, when needing to provide load to power grid,
Electronic equipment sends load instruction to battery and steam extraction pitch, and the battery provides whole loads that the power grid needs to power grid,
The electronic equipment controls the battery and reduces the load currently provided, so that in institute when the unit starts to provide load
State unit to the power grid provide the power grid need whole loads when, the battery stop to the power grid provide load, to mention
The efficiency of high power grid control.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Fig. 1 is the structural block diagram of grid control system provided in an embodiment of the present invention.
Fig. 2 is the structural block diagram of electronic equipment provided in an embodiment of the present invention.
Fig. 3 is the flow diagram of power grid control method provided in an embodiment of the present invention.
Fig. 4 is the flow diagram of the step S110 in Fig. 3.
Fig. 5 is the flow diagram of the step S130 in Fig. 3.
Fig. 6 is another flow diagram of the step S130 in Fig. 3.
Fig. 7 is the flow diagram of the step S140 in Fig. 3.
Fig. 8 is another flow diagram of power grid control method provided in an embodiment of the present invention.
Icon: 10- grid control system;100- electronic equipment;110- memory;120- processor;200- battery;300-
Steam extraction pitch.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiments of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In description of the invention
In, term " first ", " second " etc. are only used for distinguishing description, and should not be understood as only or imply relative importance.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
As shown in Figure 1, the embodiment of the invention provides a kind of grid control system 10, including electronic equipment 100, battery
200 and steam extraction pitch 300.Wherein, the electronic equipment 100 is electrically connected with the battery 200 and the steam extraction pitch 300 respectively
To control the battery 200 and the steam extraction pitch 300.
In detail, the electronic equipment 100 respectively between the battery 200 and the steam extraction pitch 300 directly or
Ground connection is electrically connected, to realize the transmission or interaction of data.For example, these elements can pass through one or more communication between each other
Bus or signal wire, which are realized, to be electrically connected.
In detail, the specifically setting of the electronic equipment 100 is unrestricted, can be set according to practical application request
It sets.For example, in the present embodiment, the electronic equipment 100 can be computer.
In conjunction with Fig. 2, the electronic equipment 100 may include memory 110 and processor 120.
Wherein, it is directly or indirectly electrically connected between the memory 110 and processor 120, to realize the biography of data
Defeated or interaction.It is electrically connected for example, these elements can be realized between each other by one or more communication bus or signal wire.Institute
Processor 120 is stated for executing the executable computer program stored in the memory 110, to realize the battery 200
With the control of the steam extraction pitch 300.
Wherein, the memory 110 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..Wherein, memory 110 is for storing program, the processor 120 after receiving and executing instruction,
Execute described program.
The processor 120 may be a kind of IC chip, the processing capacity with signal.Above-mentioned processor
120 can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP) etc.;It can also be digital signal processor (DSP), specific integrated circuit (ASIC), scene
Programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware group
Part.
It is appreciated that structure shown in Fig. 2 is only to illustrate, the electronic equipment 100 may also include more than shown in Fig. 2
Perhaps less component or with the configuration different from shown in Fig. 2.Each component shown in Fig. 2 can use hardware, software
Or combinations thereof realize.
Also, the electronic equipment 100 is used to generate a load instruction, and should when needing to provide load to power grid
Load instruction is respectively sent to battery 200 and steam extraction pitch 300.The battery 200 is used for according to the load instruction to described
Power grid provides whole loads of power grid needs.The steam extraction pitch 300 is used for according to load instruction control and the steam extraction
The unit that pitch 300 connects provides load to the power grid, wherein the load that the unit provides is sequentially increased.The electronics
Equipment 100 is also used to, and when the unit starts to provide load, is controlled the battery 200 and is reduced the load currently provided, so that
When the unit provides whole loads of power grid needs to the power grid, the battery 200 stops providing to the power grid negative
Lotus.
Further, the electronic equipment 100 is also used to, and detects network load, to calculate the load of power grid needs.It is described
Electronic equipment 100 is also used to, and generates a load instruction according to the load that power grid needs, and the load instruction is respectively sent to electricity
Pond 200 and steam extraction pitch 300.
Further, the steam extraction pitch 300 is also used to, and receives the load instruction that the electronic equipment 100 issues.It is described
Steam extraction pitch 300 is also used to, and adjusts the aperture of the steam extraction pitch 300 according to the load instruction to control and the steam extraction tune
The throttle flow of the unit of 300 connection of door increases to control the load that the unit is provided to the power grid according to determining rate
Greatly.
Further, the steam extraction pitch 300 is also used to, and receives the load instruction that the electronic equipment 100 issues.It is described
Steam extraction pitch 300 is also used to, and adjusts the aperture of the steam extraction pitch 300 according to the load instruction to control and the steam extraction tune
The throttle flow of the unit of 300 connection of door is increased at interval of a preset duration based on the load currently provided to control the unit
Add a default load.
Further, the electronic equipment 100 is also used to, when the load for detecting the unit output is greater than zero, to institute
It states battery 200 and sends a control signal.The battery 200 is also used to, and receives the control signal, and subtract based on the control signal
Few load provided to the power grid, so that the sum of the load that load and the unit that the battery 200 provides provide is power grid
The load needed.
In conjunction with Fig. 3, the embodiment of the invention provides a kind of power grid control methods that can be applied to grid control system 10.Under
Detailed process shown in Fig. 2 will be described in detail in face.
Step S110, when needing to provide load to power grid, electronic equipment 100 generates a load instruction, and by the load
Instruction is respectively sent to battery 200 and steam extraction pitch 300.
In detail, the electronic equipment 100 is connect to detect whether to need to provide load to the power grid with power grid, is being needed
When providing load to the power grid, the electronic equipment 100 generates a load instruction according to the load that the power grid needs, and
The load instruction is respectively sent to battery 200 and steam extraction pitch 300, so that the battery 200 and steam extraction pitch 300 are to described
Power grid provides load.
Wherein, the specifically setting of the detection of electronic equipment 100 network load is unrestricted, can be according to practical application need
It asks and is configured.For example, in one embodiment, the electronic equipment 100 can be direct by the sensor connecting with power grid
Detect network load;In another embodiment, the electronic equipment 100 can also be by detecting mains frequency, and calculating should
The frequency of power grid and the difference of predeterminated frequency are to calculate the load that power grid needs, optionally, the specific setting of the predeterminated frequency
It is unrestricted, it can be configured according to practical application request.For example, in the present embodiment, the predeterminated frequency can be
50Hz。
Step S120, the battery 200 provide the whole that the power grid needs to the power grid according to the load instruction and bear
Lotus.
In detail, the battery 200 receives the response speed after the load instruction and is faster than the steam extraction pitch
300, the battery 200 provides whole loads that the power grid needs to the power grid according to the load instruction.
Wherein, the specifically setting of the battery 200 is unrestricted, can be configured according to practical application request.For example,
In the present embodiment, the battery 200 may include switching circuit, the control circuit that energy-storage battery and energy-storage battery are equipped with
Equal circuits provide load, energy storage and to functions such as the processing of load instruction to be embodied as power grid.
Step S130, the steam extraction pitch 300 control the unit connecting with the steam extraction pitch 300 according to the load instruction
Load is provided to the power grid.
In detail, the steam extraction pitch 300 receives the response speed after the load instruction and is slower than the battery
200, the steam extraction pitch 300 is mentioned according to the unit that load instruction control is connect with the steam extraction pitch 300 to the power grid
For load, wherein the load that the unit provides is sequentially increased.
Step S140, the electronic equipment 100 control the battery 200 and reduce when the unit starts to provide load
The load currently provided, so that when the unit provides whole loads of power grid needs to the power grid, the battery 200
Stop providing load to the power grid.
With the above arrangement, can be when needing to provide load to power grid, electronic equipment 100 is to battery 200 and steam extraction tune
Door 300 sends load instruction, and the battery 200 provides whole loads that the power grid needs to power grid, and the electronic equipment 100 exists
It when the unit starts to provide load, controls the battery 200 and the load currently provided is provided, so that in the unit to described
When power grid provides whole loads of power grid needs, the battery 200 stops providing load to the power grid, to improve power grid control
Efficiency.
In conjunction with Fig. 4, the step S110 can also include step S111 and step S112, and load instruction is sent respectively
To battery 200 and steam extraction pitch 300.
Step S111, the electronic equipment 100 detect network load, to calculate the load of power grid needs.
In detail, the electronic equipment 100 is connect to detect network load with power grid, and the network load is current time
The load of power grid output, the electronic equipment 100 calculate the load that power grid needs according to the network load.
Step S112, the electronic equipment 100 generates a load instruction according to the load that power grid needs, and the load is referred to
Order is respectively sent to battery 200 and steam extraction pitch 300.
In detail, after executing step S111, the load that the electronic equipment 100 can be needed according to power grid generates one
Load instruction, and the load instruction is respectively sent to battery 200 and steam extraction pitch 300, so that the battery 200 and steam extraction tune
Door 300 provides the load that the power grid needs to power grid.
In conjunction with Fig. 5, the step S130 can also include step S131 and step S132, so that the steam extraction pitch 300
Load is provided to power grid.
Step S131, the steam extraction pitch 300 receive the load instruction that the electronic equipment 100 issues.
In detail, after executing step S120, the electronic equipment 100 can send negative to the steam extraction pitch 300
Lotus instruction, the steam extraction pitch 300 receive the load instruction.
Step S132, the steam extraction pitch 300 adjust the aperture of the steam extraction pitch 300 according to the load instruction to control
The throttle flow for making the unit connecting with the steam extraction pitch 300, is pressed to control the unit to the load that the power grid provides
Increase according to determining rate.
In detail, the steam extraction pitch 300 is connect with the unit, by adjust the aperture of the steam extraction pitch 300 with
The throttle flow of the unit is adjusted, to control the load that the unit is provided to the power grid, wherein the unit provides
Load increase according to determining rate.
Optionally, the specifically setting that the load that the unit provides is sequentially increased is unrestricted, can be according to practical application
Demand is configured.In conjunction with Fig. 6, the step S130 can also include step S133 and step S134, so that the unit is every
It is spaced a preset duration and one default load is increased based on the load currently provided.
Step S133, the steam extraction pitch 300 receive the load instruction that the electronic equipment 100 issues.
In detail, after executing step S120, the electronic equipment 100 can send negative to the steam extraction pitch 300
Lotus instruction, the steam extraction pitch 300 receive the load instruction.
Step S134, the steam extraction pitch 300 adjust the aperture of the steam extraction pitch 300 according to the load instruction to control
The throttle flow for the unit connecting with the steam extraction pitch 300 is made, is based on working as at interval of a preset duration to control the unit
The load of preceding offer increases by a default load.
In detail, the steam extraction pitch 300 is connect with the unit, by adjust the aperture of the steam extraction pitch 300 with
The throttle flow of the unit is adjusted, to control the load that the unit is provided to the power grid, wherein the unit every
One default load is increased based on the load currently provided every a preset duration.
In conjunction with Fig. 7, the step S140 can also include step S141 and step S142, so that the electronic equipment 100
When the unit starts to provide load, controls the battery 200 and the load currently provided is provided.
Step S141, when the electronic equipment 100 detects the load of the unit output greater than zero, Xiang Suoshu battery
200 send a control signal.
In detail, the electronic equipment 100 is separately connected with the battery 200 and the steam extraction pitch 300 to detect
State the load that the unit that battery 200 and the steam extraction pitch 300 connect is provided to power grid.When the electronic equipment 100 detects
When to the unit output load, Xiang Suoshu battery 200 sends a control signal so that the battery 200 is reduced provides to power grid
Load.
Optionally, the electronic equipment 100 detect the load of unit output specifically setting it is unrestricted, Ke Yigen
It is configured according to practical application request.For example, in the present embodiment, the electronic equipment 100 can be by detecting the unit
Revolving speed to calculate the load of unit output.
Step S142, the battery 200 receives the control signal, and is reduced based on the control signal to the power grid and provided
Load so that the load that the sum of load that load and the unit that the battery 200 provides provide needs for power grid.
In detail, the unit is sequentially increased to the load that the power grid provides, and the electronic equipment 100 controls the electricity
The load provided to power grid is reduced in pond 200, so that the sum of the load that load and the unit that the battery 200 provides provide is
The load that power grid needs.Also, when the electronic equipment 100 detects that the unit provides what the power grid needed to the power grid
When whole loads, controls the battery 200 and stop providing load to the power grid, mentioned by the unit that the steam extraction pitch 300 connects
Whole loads that power supply network needs.
Further, in the primary frequency modulation movement of power grid, power grid not only can receive the battery 200 and the steam extraction
The load that pitch 300 provides, power grid can also will be more than that the load needed is sent to the battery 200, and the unit subtracts
Few load provided to power grid.
In conjunction with Fig. 8, the power grid control method can also include step S210, step S220, step S230 and step
S240。
Step S210, when the load of power grid is more than preset value, electronic equipment 100 generates a load instruction, and this is born
Lotus instruction is respectively sent to battery 200 and steam extraction pitch 300.
Step S220, the battery 200 absorb whole loads that the power grid is more than preset value according to the load instruction.
Step S230, the steam extraction pitch 300 control the unit connecting with the steam extraction pitch 300 according to the load instruction
Load is provided to the power grid.
Wherein, the load that the unit provides successively is reduced.
Step S240, the electronic equipment 100 control the battery when the unit starts to reduce the load provided
200 reduce the load currently absorbed, so that when the load that the unit is provided to the power grid is equal to preset value, the battery
200 stop absorbing the load of the power grid.
In conclusion power grid control method provided in an embodiment of the present invention and grid control system 10, are needing to power grid
When providing load, electronic equipment 100 sends load instruction to battery 200 and steam extraction pitch 300, and the battery 200 is mentioned to power grid
For whole loads that the power grid needs, the electronic equipment 100 controls the battery when the unit starts to provide load
200 reduce the load currently provided, so that when the unit provides whole loads of power grid needs to the power grid, it is described
Battery 200 stops providing load to the power grid, to improve the efficiency of power grid control.
In several embodiments provided by the embodiment of the present invention, it should be understood that disclosed device and method, it can also
To realize by another way.Device and method embodiment described above is only schematical, for example, in attached drawing
Flow chart and block diagram show that the devices of multiple embodiments according to the present invention, method and computer program product are able to achieve
Architecture, function and operation.In this regard, each box in flowchart or block diagram can represent module, a program
A part of section or code, a part of the module, section or code include that one or more is patrolled for realizing defined
Collect the executable instruction of function.It should also be noted that in some implementations as replacement, function marked in the box
It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be held substantially in parallel
Row, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/or
The combination of each box in flow chart and the box in block diagram and or flow chart, can the function as defined in executing or dynamic
The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, electronic equipment or network equipment etc.) execute all or part of step of each embodiment the method for the present invention
Suddenly.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), deposits at random
The various media that can store program code such as access to memory (RAM, Random Access Memory), magnetic or disk.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of power grid control method, which is characterized in that this method comprises:
When needing to provide load to power grid, electronic equipment generates a load instruction, and the load instruction is respectively sent to electricity
Pond and steam extraction pitch;
The battery provides whole loads that the power grid needs to the power grid according to the load instruction;
The steam extraction pitch provides load to the power grid according to the unit that load instruction control is connect with the steam extraction pitch,
Wherein, the load that the unit provides is sequentially increased;
The electronic equipment controls the battery and reduces the load currently provided when the unit starts to provide load, so that
When the unit provides whole loads of power grid needs to the power grid, the battery stops providing load to the power grid.
2. power grid control method according to claim 1, which is characterized in that it is described when needing to provide load to power grid,
Electronic equipment generates a load instruction, and the step of load instruction is respectively sent to battery and steam extraction pitch includes:
The electronic equipment detects network load, to calculate the load of power grid needs;
The electronic equipment generates a load instruction according to the load that power grid needs, and the load instruction is respectively sent to battery
With steam extraction pitch.
3. power grid control method according to claim 1, which is characterized in that the steam extraction pitch is according to the load instruction
Controlling the step of unit connecting with the steam extraction pitch provides load to the power grid includes:
The steam extraction pitch receives the load instruction that the electronic equipment issues;
The steam extraction pitch adjusts the aperture of the steam extraction pitch according to the load instruction to control and connect with the steam extraction pitch
The throttle flow of the unit connect increases to control the load that the unit is provided to the power grid according to determining rate.
4. power grid control method according to claim 1, which is characterized in that the steam extraction pitch is according to the load instruction
Control the step of unit connecting with the steam extraction pitch provides load to the power grid further include:
The steam extraction pitch receives the load instruction that the electronic equipment issues;
The steam extraction pitch adjusts the aperture of the steam extraction pitch according to the load instruction to control and connect with the steam extraction pitch
The throttle flow of the unit connect is preset to control the unit and increase by one based on the load currently provided at interval of a preset duration
Load.
5. power grid control method according to claim 1, which is characterized in that the electronic equipment starts to mention in the unit
It when for load, controls the battery and the load currently provided is provided, so that providing the power grid to the power grid in the unit needs
When the whole loads wanted, the battery stop to the power grid provide load the step of include:
When the electronic equipment detects the load of the unit output greater than zero, Xiang Suoshu battery sends a control signal;
Signal is controlled described in the battery receptacle, and the load provided to the power grid is provided based on the control signal, so that described
The load that the sum of the load that the load and the unit that battery provides provide needs for power grid.
6. a kind of grid control system, which is characterized in that the system includes:
Electronic equipment, for generating a load instruction, and the load instruction is sent respectively when needing to provide load to power grid
To battery and steam extraction pitch;
Battery, for providing whole loads that the power grid needs to the power grid according to the load instruction;
Steam extraction pitch, the unit for being connect according to load instruction control with the steam extraction pitch provide negative to the power grid
Lotus, wherein the load that the unit provides is sequentially increased;
Wherein, the electronic equipment is also used to, and when the unit starts to provide load, is controlled the battery and is reduced current provide
Load so that the unit to the power grid provide the power grid need whole loads when, the battery stops to the electricity
Net provides load.
7. grid control system according to claim 6, which is characterized in that the electronic equipment is also used to, and detects power grid
Load, to calculate the load of power grid needs;
The electronic equipment is also used to, and generates a load instruction according to the load that power grid needs, and the load instruction is sent out respectively
It send to battery and steam extraction pitch.
8. grid control system according to claim 6, which is characterized in that the steam extraction pitch is also used to, described in reception
The load instruction that electronic equipment issues;
The steam extraction pitch is also used to, and adjusts the aperture of the steam extraction pitch according to the load instruction to control and the steam extraction
The throttle flow of the unit of pitch connection increases to control the load that the unit is provided to the power grid according to determining rate
Greatly.
9. grid control system according to claim 6, which is characterized in that the steam extraction pitch is also used to, described in reception
The load instruction that electronic equipment issues;
The steam extraction pitch is also used to, and adjusts the aperture of the steam extraction pitch according to the load instruction to control and the steam extraction
The throttle flow of the unit of pitch connection is increased at interval of a preset duration based on the load currently provided to control the unit
One default load.
10. grid control system according to claim 6, which is characterized in that the electronic equipment is also used to, when detecting
When the load of the unit output is greater than zero, Xiang Suoshu battery sends a control signal;
The battery is also used to, and receives the control signal, and the load provided to the power grid is reduced based on the control signal, with
The load that the sum of the load that the load and the unit for providing the battery provide needs for power grid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910111815.XA CN109638847A (en) | 2019-02-12 | 2019-02-12 | Power grid control method and grid control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910111815.XA CN109638847A (en) | 2019-02-12 | 2019-02-12 | Power grid control method and grid control system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109638847A true CN109638847A (en) | 2019-04-16 |
Family
ID=66065134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910111815.XA Pending CN109638847A (en) | 2019-02-12 | 2019-02-12 | Power grid control method and grid control system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109638847A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206195360U (en) * | 2016-11-02 | 2017-05-24 | 西安交通大学 | A electric power storage primary control system for thermal power factory |
CN108199389A (en) * | 2017-12-11 | 2018-06-22 | 囯网河北省电力有限公司电力科学研究院 | A kind of method and device for improving the response of thermal power generation system primary frequency modulation |
CN207603230U (en) * | 2017-11-30 | 2018-07-10 | 赫普科技发展(北京)有限公司 | Auxiliary peak-frequency regulation facility system based on AGC controls |
CN109217382A (en) * | 2018-11-23 | 2019-01-15 | 大唐陕西发电有限公司 | A kind of novel thermal power generation corporations' coordinated control system and method |
-
2019
- 2019-02-12 CN CN201910111815.XA patent/CN109638847A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206195360U (en) * | 2016-11-02 | 2017-05-24 | 西安交通大学 | A electric power storage primary control system for thermal power factory |
CN207603230U (en) * | 2017-11-30 | 2018-07-10 | 赫普科技发展(北京)有限公司 | Auxiliary peak-frequency regulation facility system based on AGC controls |
CN108199389A (en) * | 2017-12-11 | 2018-06-22 | 囯网河北省电力有限公司电力科学研究院 | A kind of method and device for improving the response of thermal power generation system primary frequency modulation |
CN109217382A (en) * | 2018-11-23 | 2019-01-15 | 大唐陕西发电有限公司 | A kind of novel thermal power generation corporations' coordinated control system and method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Li et al. | Design and test of a new droop control algorithm for a SMES/battery hybrid energy storage system | |
CN105794068B (en) | The control of reactive power in wind power plant | |
US20140210275A1 (en) | Photovoltaic power generation system including apparatus and method to buffer power fluctuations | |
US20140306534A1 (en) | Pmu based distributed generation control for microgrid during islanding process | |
WO2011122681A1 (en) | System-stabilizing system, power supply system, method for controlling central management device, and program for central management device | |
Sun et al. | Application of integrated energy storage system in wind power fluctuation mitigation | |
WO2014106095A1 (en) | Responding to local grid events and distributed grid events | |
US9794654B2 (en) | Power metering system, method and system for monitoring power consumed by load | |
CN114123344B (en) | Self-adaptive recursive least square-based power system inertia evaluation method and device | |
KR20150139492A (en) | Method and apparatus for improved burst mode during power conversion | |
CN112736910A (en) | Micro-grid system, black start method and device thereof, and computer readable storage medium | |
KR101281309B1 (en) | Apparatus and method for scheduling energy storage device | |
KR20170125291A (en) | Apparatus of controlling power generation for blocking reverse power of photovoltaics system and method thereof | |
Unamuno et al. | Primary control operation modes in islanded hybrid ac/dc microgrids | |
US10527658B2 (en) | Power monitoring system and method for monitoring power thereof | |
Luque et al. | Energy reduction on eRTG | |
Mi et al. | Reactive power sharing control for islanded AC microgrid based on fuzzy adaptive compensation method | |
WO2020041903A1 (en) | Nano/micro-grid power distribution system | |
CN109633283A (en) | Bus capacitor capacitance monitoring method, device and terminal device | |
US10591521B2 (en) | Power monitoring system and method for monitoring power thereof | |
CN104701816A (en) | Method and device for matching and setting low-excitation limitation and field loss protection of salient-pole machine | |
CN109638847A (en) | Power grid control method and grid control system | |
KR20180066438A (en) | Building Energy Management Method and System Based on State of Battery Charge | |
US11863011B2 (en) | Multiple input PV inverter apparatus with energy storage capability | |
CN107046294A (en) | Combined accumulation energy capacity collocation method based on probability statistics |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
|
RJ01 | Rejection of invention patent application after publication |