CN107959309A - Control the method, apparatus and equipment of new energy power station active power - Google Patents
Control the method, apparatus and equipment of new energy power station active power Download PDFInfo
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- CN107959309A CN107959309A CN201711430366.2A CN201711430366A CN107959309A CN 107959309 A CN107959309 A CN 107959309A CN 201711430366 A CN201711430366 A CN 201711430366A CN 107959309 A CN107959309 A CN 107959309A
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- 238000010586 diagram Methods 0.000 description 13
- 230000033228 biological regulation Effects 0.000 description 9
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- 238000004590 computer program Methods 0.000 description 8
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- 230000005291 magnetic effect Effects 0.000 description 7
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- 230000002159 abnormal effect Effects 0.000 description 1
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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
- H02J3/38—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
- H02J3/48—Controlling the sharing of the in-phase component
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- H02J3/383—
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/40—Synchronising a generator for connection to a network or to another generator
- H02J3/42—Synchronising a generator for connection to a network or to another generator with automatic parallel connection when synchronisation is achieved
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of method for controlling new energy power station active power, including：According to the information and predetermined coefficient of new energy power station, obtain new energy power station maximum can hoisting power and maximum can return drop power, according to the maximum of new energy power station can hoisting power and maximum can return drop power, obtain the output area of the active power of new energy power station；Instruction generation first according to receiving refers to active power；Active power is referred to according to the frequency of the grid entry point of new energy power station and first, second is obtained and refers to active power；When the instruction received instructs for stability contorting, active power active power of output is referred to according to first in the output area of the active power of new energy power station；When the instruction received is unstable control instruction, active power active power of output is referred to according to second after receiving involution order in the output area of the active power of new energy power station.The invention also discloses a kind of device and equipment for controlling new energy power station active power.
Description
Technical field
The present invention relates to technical field of new energy power generation, more particularly to a kind of side for controlling new energy power station active power
Method, device and equipment.
Background technology
New energy power generation technology using wind-powered electricity generation, photovoltaic as representative develops rapidly in recent years, and new energy installation in some areas is held
It is at a relatively high to measure accounting；Due to the features such as the intermittence of new energy output, fluctuation, the safe and stable operation face of electric system
Face great challenge, power grid needs fully to excavate regulating power to make up the intermittence of new energy output, so as to ensure to load
Continuous reliable power supply；At present, in particular moment, when operation of power networks parameter (frequency, voltage etc.) occur it is abnormal or occur therefore
During barrier, mode that active power regulation mode is mostly manually adjusted, due to manually adjust thus there are error it is big, ring
The problems such as answering speed slow, new energy unit can not realize the quick regulation of active power, generally can only be as the excellent of stability contorting
First cut off object, and this can trigger frequency issues in some cases, also there are recovery time it is slower the problems such as, eventually drop
The stability of low power grid.
The content of the invention
In view of this, an embodiment of the present invention is intended to provide it is a kind of control new energy power station active power method, apparatus and
Equipment, to realize the quick regulation of active power, strengthens the FREQUENCY CONTROL ability of power grid, reduces the pressure of operation of power networks control,
Lift the frequency stability of power grid.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The present invention provides a kind of method for controlling new energy power station active power, the described method includes：
According to the information and predetermined coefficient of new energy power station, the maximum for obtaining the new energy power station can hoisting power and most
Drop power can be returned greatly, according to the maximum of the new energy power station can hoisting power and maximum can return drop power, obtain the new energy
The output area of the active power in source power station；
Instruction generation first according to receiving refers to active power；
Active power is referred to according to the frequency of the grid entry point of the new energy power station and described first, obtaining the second reference has
Work(power；
When the instruction received instructs for stability contorting, in the output area of the active power of the new energy power station
Active power active power of output is referred to according to described first；When the instruction received is unstable control instruction, receive
Exported after involution order in the output area of the active power of the new energy power station according to described second with reference to active power
Active power.
In such scheme, the information and predetermined coefficient according to new energy power station, obtains the new energy power station most
Greatly can hoisting power and maximum can return drop power, including：
Obtained according to the system information of photovoltaic plant, illumination intensity information, temperature information and inverter direct-current voltage information
The photovoltaic plant hoisting power and can return drop power；
By the photovoltaic plant can hoisting power and can return drop power is multiplied respectively with the predetermined coefficient, obtain described in
The maximum of photovoltaic plant can hoisting power and maximum can return drop power.
In such scheme, the instruction generation first that the basis receives refers to active power, including：
The stability contorting received instruction or scheduling adjustment instruction are converted to described first and refer to active power.
In such scheme, the frequency of the grid entry point according to the new energy power station and described first wattful power is referred to
Rate, obtains second and refers to active power, including：
Obtain the frequency of the grid entry point of the new energy power station；
The frequency is normalized successively, the processing of gain and inertia, obtains the first result；
First result is added with described first with reference to active power, obtains the second result；
Second result is passed through into proportional-integral-differential PID processing, described second is obtained and refers to active power.
In such scheme, according to described first with reference to active in the output area of the active power of the new energy power station
After power output active power, the method further includes：
When the DC voltage value for detecting inverter is less than predetermined threshold value, the active power of last output is exported.
In such scheme, described after the instruction received is stability contorting instruction, the method further includes：
Stop receiving other instructions untill receiving the involution order.
In such scheme, the involution order includes：Locally realize ordering, remotely realizing involution operation for involution operation
Order, realized after postpone preset time involution operation order at least one.
The present invention also provides a kind of device for controlling new energy power station active power, described device includes：
Computing module, for the information and predetermined coefficient according to new energy power station, obtains the maximum of the new energy power station
Can hoisting power and maximum can return drop power, according to the maximum of the new energy power station can hoisting power and maximum can Hui Jianggong
Rate, obtains the output area of the active power of the new energy power station；
First processing module, for referring to active power according to the instruction generation first received；
Second processing module, wattful power is referred to for the frequency of the grid entry point according to the new energy power station and described first
Rate, obtains second and refers to active power；
Output module, for the instruction received for stability contorting instruct when, in the wattful power of the new energy power station
In the output area of rate active power active power of output is referred to according to described first；
The output module, is additionally operable to when the instruction received is unstable control instruction, after receiving involution order
In the output area of the active power of the new energy power station active power active power of output is referred to according to described second.
In such scheme, the computing module, specifically for the system information according to photovoltaic plant, illumination intensity information,
What temperature information and inverter direct-current voltage information obtained the photovoltaic plant hoisting power and can return drop power；By the light
Overhead utility can hoisting power and can return drop power be multiplied respectively with the predetermined coefficient, the maximum for obtaining the photovoltaic plant can
Hoisting power and maximum can return drop power.
In such scheme, the first processing module, specifically for by the stability contorting received instruction or scheduling adjustment
Instruction is converted to described first and refers to active power.
In such scheme, the Second processing module, the frequency of the grid entry point specifically for obtaining the new energy power station；
The frequency is normalized successively, the processing of gain and inertia, obtains the first result；By first result and described first
It is added with reference to active power, obtains the second result；Second result is passed through into proportional-integral-differential PID processing, obtains institute
State second and refer to active power.
In such scheme, the output module, is additionally operable to be less than default threshold in the DC voltage value for detecting inverter
During value, the active power of last output is exported.
In such scheme, the output module, is additionally operable to stop receiving other instructions until receiving the involution order
Untill.
In such scheme, the involution order includes：Locally realize ordering, remotely realizing involution operation for involution operation
Order, realized after postpone preset time involution operation order at least one.
The present invention also provides a kind of equipment for controlling new energy power station active power, the equipment includes：Interface, bus,
Memory, with processor, the interface, memory are connected with processor by the bus, and the memory is used to store
Executable program, the processor, which is configured as running the executable program, realizes following steps：
According to the information and predetermined coefficient of new energy power station, the maximum for obtaining the new energy power station can hoisting power and most
Drop power can be returned greatly, according to the maximum of the new energy power station can hoisting power and maximum can return drop power, obtain the new energy
The output area of the active power in source power station；
Instruction generation first according to receiving refers to active power；
Active power is referred to according to the frequency of the grid entry point of the new energy power station and described first, obtaining the second reference has
Work(power；
When the instruction received instructs for stability contorting, in the output area of the active power of the new energy power station
Active power active power of output is referred to according to described first；When the instruction received is unstable control instruction, receive
Exported after involution order in the output area of the active power of the new energy power station according to described second with reference to active power
Active power.
The present invention also provides a kind of computer-readable recording medium, the computer-readable recording medium storage have one or
The multiple programs of person, one or more of programs can be performed by one or more processor, as described above to realize
The step of controlling the method for new energy power station active power.
The method, apparatus and equipment of control new energy power station active power provided by the invention, by according to new energy electricity
The information and predetermined coefficient stood, obtain new energy power station maximum can hoisting power and maximum can return drop power, according to new energy
The maximum in power station can hoisting power and maximum can return drop power, obtain the output area of the active power of new energy power station；According to
The instruction generation first received refers to active power；Wattful power is referred to according to the frequency of the grid entry point of new energy power station and first
Rate, obtains second and refers to active power；When the instruction received instructs for stability contorting, in the active power of new energy power station
Output area according to first refer to active power active power of output；It is unstable control instruction in the instruction received
When, exported after receiving involution order in the output area of the active power of new energy power station according to second with reference to active power
Active power；When operation of power networks parameter exception occurs or breaks down, active power regulation side provided by the invention is utilized
Formula can reduce error, fast response time, can realize the quick regulation of active power, can be with the primary frequency modulation of conventional rack
Function is mutually coordinated, and strengthens the FREQUENCY CONTROL ability of power grid, when occurring under the catastrophe failures such as big power loss, can cut not even less
Cutting load, so as to reduce the pressure of operation of power networks control, can effectively lift the frequency stability of power grid, strengthen the stabilization of power grid
It is horizontal.
Brief description of the drawings
Fig. 1 is the flow chart of the embodiment of the method one of present invention control new energy power station active power；
Fig. 2 is the flow chart of the embodiment of the method two of present invention control new energy power station active power；
Fig. 3 is the system emulation figure of the embodiment of the method two of present invention control new energy power station active power；
Fig. 4 is the schematic diagram of the method scene embodiment of present invention control new energy power station active power；
Fig. 5 is the data comparison figure of the method scene embodiment of present invention control new energy power station active power；
Fig. 6 is the structure diagram of the device embodiment of present invention control new energy power station active power；
Fig. 7 is the structure diagram of the apparatus embodiments of present invention control new energy power station active power.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Fig. 1 is the flow chart of the embodiment of the method one of present invention control new energy power station active power, as shown in Figure 1, this
The method for the control new energy power station active power that inventive embodiments provide can be applied in control new energy power station active power
Device (hereinafter referred to as device) on, this method may include steps of：
Step 101, information and predetermined coefficient according to new energy power station, the maximum for obtaining new energy power station can hoisting power
Can return drop power with maximum, according to the maximum of new energy power station can hoisting power and maximum can return drop power, obtain new energy electricity
The output area for the active power stood.
Device first according to the information of new energy power station be calculated new energy power station can hoisting power and can Hui Jianggong
Rate, secondly in hoisting power and can return new energy power station drop power and be multiplied respectively with predetermined coefficient, it is electric to obtain new energy
The maximum stood can hoisting power and maximum can return drop power, finally according to the maximum of new energy power station can hoisting power and maximum can
The output area that drop power obtains the active power of new energy power station is returned, the output area of the active power is used to control new energy
The output of the active power in power station, the output to active power carry out amplitude limit.
Wherein, predetermined coefficient can be configured according to the actual requirements, be not any limitation as herein；New energy includes but unlimited
In luminous energy, wind energy, geothermal energy, ocean energy etc..
The instruction generation first that step 102, basis receive refers to active power.
Device refers to active power according to the instruction received by conversion process, generation first, wherein instruction carrys out automatic control
End processed.
Step 103, according to the frequency of the grid entry point of new energy power station and first refer to active power, obtains second with reference to having
Work(power.
Device refers to active power according to the frequency (angular frequency) of the grid entry point of new energy power station and first, at calculating
Reason, obtains second and refers to active power.
Step 104, the instruction received for stability contorting instruct when, in the output model of the active power of new energy power station
Enclose interior according to the first reference active power active power of output.
Device is when the instruction for determining to receive instructs for stability contorting, in the output of the active power of new energy power station
In the range of according to first with reference to active power to inverter active power of output.
Step 105, when the instruction received is unstable control instruction, receive after involution order in new energy power station
Active power output area according to second refer to active power active power of output.
Device is received after involution order in new energy electricity when the instruction for determining to receive is unstable control instruction
Active power is referred to inverter active power of output according to second in the output area for the active power stood.
Wherein, involution order includes but not limited to following several or following several any combination：Locally realize that involution operates
The order ordered, remotely realize involution operation, realize after preset time postpone the order that involution operates.
The method of control power station active power provided in an embodiment of the present invention, by the information according to new energy power station and in advance
If coefficient, obtain new energy power station maximum can hoisting power and maximum can return drop power, can according to the maximum of new energy power station
Hoisting power and maximum can return drop power, obtain the output area of the active power of new energy power station；According to the instruction received
Generation first refers to active power；Active power is referred to according to the frequency of the grid entry point of new energy power station and first, obtains second
With reference to active power；When the instruction received instructs for stability contorting, in the output area of the active power of new energy power station
It is interior to refer to active power active power of output according to first；When the instruction received is unstable control instruction, receive multiple
Return after order and refer to active power active power of output according to second in the output area of the active power of new energy power station；When
When operation of power networks parameter exception occurs or breaks down, mistake can be reduced using active power regulation mode provided by the invention
Difference, fast response time, can realize the quick regulation of active power, can mutually coordinate with the primary frequency function of conventional rack,
Strengthen the FREQUENCY CONTROL ability of power grid, when occurring under the catastrophe failures such as big power loss, not even cutting load can be cut less, so that
The pressure of operation of power networks control is reduced, can effectively lift the frequency stability of power grid, strengthens the maintenance level of power grid.
It is further to illustrate on the basis of above-described embodiment in order to more embody the purpose of the present invention.
Fig. 2 controls the flow chart of the embodiment of the method two of new energy power station active power, the embodiment of the present invention for the present invention
The method of the control new energy power station active power of offer is applied in photovoltaic plant, and Fig. 3 is present invention control new energy power station
The system emulation figure of the embodiment of the method two of active power；As shown in Fig. 2, this method may include steps of：
Step 201, according to the system information of photovoltaic plant, illumination intensity information, temperature information and inverter direct-current voltage
What information obtained photovoltaic plant hoisting power and can return drop power.
Device is according to the system information of photovoltaic plant, illumination intensity information, temperature information and inverter direct-current voltage information
Photovoltaic plant is calculated hoisting power and can return drop power.
Step 202, by photovoltaic plant can hoisting power and can return drop power be multiplied respectively with predetermined coefficient, obtain photovoltaic
The maximum in power station can hoisting power and maximum can return drop power.
Device by photovoltaic plant can hoisting power and can return drop power be multiplied respectively with predetermined coefficient, obtain photovoltaic plant
Maximum can hoisting power and maximum can return drop power.
Step 203, according to the maximum of photovoltaic plant can hoisting power and maximum can return drop power, obtain photovoltaic plant has
The output area of work(power.
Device according to the maximum of photovoltaic plant can hoisting power and maximum can return drop power, obtain the wattful power of photovoltaic plant
The output area of rate；For example, as shown in figure 3, device can hoisting power P according to the maximum of photovoltaic plantmaxCan Hui Jianggong with maximum
Rate Pmin, the output area for obtaining the active power of photovoltaic plant is PminTo Pmax。
The instruction generation first that step 204, basis receive refers to active power.
Device is converted to first and refers to active power according to the stability contorting instruction or scheduling adjustment instruction that receive；Example
Such as, as shown in figure 3, device according to receive stability contorting instruction or scheduling adjustment instruction by instruct selection handle after, turn
It is changed to first and refers to active-power Pref。
The frequency of step 205, the grid entry point of acquisition photovoltaic plant, is normalized frequency, at gain and inertia successively
Reason, obtains first and is added as a result, first result is referred to active power with first, obtain second as a result, the second result is passed through
PID processing, obtains second and refers to active power.
As shown in figure 3, device obtains the frequencies omega of the grid entry point of photovoltaic plant0And ω, to frequencies omega0Carried out successively with ω
Normalization, gain and inertia processing, obtain first as a result, the first result and first is referred to active-power PrefIt is added, obtains the
Two as a result, by the second result by proportional-integral-differential (Proportion Integral Derivative, PID) handle,
Obtain second with reference to active-power P 'ref。
Step 206, the instruction received for stability contorting instruct when, in the output area of the active power of photovoltaic plant
It is interior to refer to active power active power of output according to first.
Device is when the instruction received instructs for stability contorting, the root in the output area of the active power of photovoltaic plant
According to the first reference active power to inverter active power of output, afterwards, stop receiving other instructions until receiving involution life
Untill order；Wherein, involution order includes but not limited to following several or following several any combination：Locally realize involution operation
Order, the long-range order for realizing involution operation, realize after preset time postpone the order that involution operates.
For example, as shown in figure 3, device the instruction received for stability contorting instruct when, in PminTo PmaxBetween model
Enclose interior according to PrefTo inverter active power of output.
Further, device can detect the DC voltage value of inverter and whether be less than predetermined threshold value, detect inversion
When the DC voltage value of device is less than predetermined threshold value, the active power of last output is exported.
Step 207, when the instruction received is unstable control instruction, receive after involution order in photovoltaic plant
In the output area of active power active power active power of output is referred to according to second.
Device is received after involution order in the active of photovoltaic plant when the instruction received is unstable control instruction
Active power is referred to inverter active power of output according to second in the output area of power.
For example, as shown in figure 3, device when the instruction received instructs for scheduling adjustment, device is postponing receiving
After the order that involution operation is realized after preset time T, in PminTo PmaxBetween according to P'refHave to inverter output
Work(power.
The method of control new energy power station active power provided in an embodiment of the present invention, passes through the system according to photovoltaic plant
Information, illumination intensity information, temperature information and inverter direct-current voltage information obtain hoisting power and can returning for photovoltaic plant
Power drops；By photovoltaic plant can hoisting power and can return drop power be multiplied respectively with predetermined coefficient, obtain photovoltaic plant most
Greatly can hoisting power and maximum can return drop power；According to the maximum of photovoltaic plant can hoisting power and maximum can return drop power, obtain
To the output area of the active power of photovoltaic plant；Instruction generation first according to receiving refers to active power；Obtain photovoltaic
The frequency of the grid entry point in power station, is normalized frequency, the processing of gain and inertia, obtains first as a result, by the first knot successively
Fruit is added with reference to active power with first, obtains second as a result, the second result is passed through PID processing, obtain second refer to it is active
Power；When the instruction received instructs for stability contorting, according to first in the output area of the active power of photovoltaic plant
With reference to active power active power of output；When the instruction received is unstable control instruction, receive after involution order
In the output area of the active power of photovoltaic plant active power active power of output is referred to according to second；There is provided using the present invention
Active power regulation mode can reduce error, fast response time, can realize the quick regulation of active power, photovoltaic plant
It can mutually coordinate with the primary frequency function of conventional rack, strengthen the FREQUENCY CONTROL ability of power grid, when big power loss of generation etc.
Under catastrophe failure, not even cutting load can be cut less, so as to reduce the pressure of operation of power networks control, can effectively lift power grid
Frequency stability, strengthens the maintenance level of power grid.
In order to more embody the purpose of the present invention, on the basis of above-described embodiment, further with scene embodiment
To illustrate.
Fig. 4 is the schematic diagram of the method scene embodiment of present invention control new energy power station active power, as shown in figure 4,
Form of power is photovoltaic and the island network of thermoelectricity, by Liang Ge thermal power plants (thermal power plant 1 and thermal power plant 2) and four photovoltaic plants
(photovoltaic plant 1, photovoltaic plant 2, photovoltaic plant 3 and photovoltaic plant 4) forms；Photovoltaic plant 1 possesses having in the once present invention
Work(control function of power, other photovoltaic plants do not possess；In order to embody photovoltaic active power controller effect, fired power generating unit one is closed
Secondary frequency modulation function, the frequency of frequency 110 kilovolts of (kV) busbares of photovoltaic plant 1 in Fig. 4 of grid entry point, according to photovoltaic plant
Current system information, illumination intensity information, temperature information and inverter direct-current voltage information, is searched most from the station trial curve
Power can be run greatly, be multiplied by after predetermined coefficient 0.9 obtain maximum can hoisting power, it is 0 that maximum, which can return drop power setting,.
Fig. 5 is the data comparison figure of the method scene embodiment of present invention control new energy power station active power, such as Fig. 5 institutes
Show, network system got rid of 20 megawatts of (MW) loads at 2 seconds suddenly, it is seen then that photovoltaic plant is active using control provided by the invention
The frequency departure of the method for power is substantially better than traditional method, i.e., once frequency modulation is substantially better than photovoltaic without once adjusting to photovoltaic
Frequently.
Fig. 6 is the structure diagram of the device embodiment of present invention control new energy power station active power, as shown in fig. 6,
The device 06 of control new energy power station active power provided in an embodiment of the present invention includes：
Computing module 61, for the information and predetermined coefficient according to new energy power station, obtains the new energy power station most
Greatly can hoisting power and maximum can return drop power, according to the maximum of the new energy power station can hoisting power and maximum can Hui Jianggong
Rate, obtains the output area of the active power of the new energy power station；
First processing module 62, for referring to active power according to the instruction generation first received；
Second processing module 63, for the frequency of the grid entry point according to the new energy power station and described first with reference to active
Power, obtains second and refers to active power；
Output module 64, for the instruction received for stability contorting instruct when, in the active of the new energy power station
In the output area of power active power active power of output is referred to according to described first；
The output module 64, is additionally operable to, when the instruction received is unstable control instruction, receive involution order
Afterwards active power active power of output is referred to according to described second in the output area of the active power of the new energy power station.
Further, the computing module 61, specifically for the system information according to photovoltaic plant, illumination intensity information,
What temperature information and inverter direct-current voltage information obtained the photovoltaic plant hoisting power and can return drop power；By the light
Overhead utility can hoisting power and can return drop power be multiplied respectively with the predetermined coefficient, the maximum for obtaining the photovoltaic plant can
Hoisting power and maximum can return drop power.
Further, the first processing module 62, specifically for by the stability contorting received instruction or scheduling adjustment
Instruction is converted to first and refers to active power.
Further, the Second processing module 63, the frequency of the grid entry point specifically for obtaining the new energy power station；
The frequency is normalized successively, the processing of gain and inertia, obtains the first result；By first result and described first
It is added with reference to active power, obtains the second result；Second result is passed through into proportional-integral-differential PID processing, obtains institute
State second and refer to active power.
Further, the output module 64, is additionally operable to be less than default threshold in the DC voltage value for detecting inverter
During value, the active power of last output is exported.
Further, the output module 64, is additionally operable to stop receiving other instructions until receiving the involution order
Untill.
Further, the involution order includes：Locally realize the life ordered, remotely realize involution operation of involution operation
Make, realized after postponing preset time involution operation order at least one of.
The device of the present embodiment, can be used for performing it is above-mentioned shown in embodiment of the method technical solution, its realization principle and
Technique effect is similar, and details are not described herein again.
Fig. 7 is the structure diagram of the apparatus embodiments of present invention control new energy power station active power, as shown in fig. 7,
The equipment 07 of control new energy power station active power provided in an embodiment of the present invention includes：Interface 71, bus 72, memory 73,
With processor 74, the interface 71, memory 73 are connected with processor 74 by the bus 72, and the memory 73 is used for
Executable program is stored, the processor 74, which is configured as running the executable program, realizes following steps：
According to the information and predetermined coefficient of new energy power station, the maximum for obtaining the new energy power station can hoisting power and most
Drop power can be returned greatly, according to the maximum of the new energy power station can hoisting power and maximum can return drop power, obtain the new energy
The output area of the active power in source power station；
Instruction generation first according to receiving refers to active power；
Active power is referred to according to the frequency of the grid entry point of the new energy power station and described first, obtaining the second reference has
Work(power；
When the instruction received instructs for stability contorting, in the output area of the active power of the new energy power station
Active power active power of output is referred to according to described first；When the instruction received is unstable control instruction, receive
Exported after involution order in the output area of the active power of the new energy power station according to described second with reference to active power
Active power.
Further, the processor 74, which is configured as running the executable program, is implemented as follows step：
Obtained according to the system information of photovoltaic plant, illumination intensity information, temperature information and inverter direct-current voltage information
The photovoltaic plant hoisting power and can return drop power；
By the photovoltaic plant can hoisting power and can return drop power is multiplied respectively with the predetermined coefficient, obtain described in
The maximum of photovoltaic plant can hoisting power and maximum can return drop power.
Further, the processor 74, which is configured as running the executable program, is implemented as follows step：
The stability contorting received instruction or scheduling adjustment instruction are converted to first and refer to active power.
Further, the processor 74, which is configured as running the executable program, is implemented as follows step：
Obtain the frequency of the grid entry point of the new energy power station；
The frequency is normalized successively, the processing of gain and inertia, obtains the first result；
First result is added with described first with reference to active power, obtains the second result；
Second result is passed through into proportional-integral-differential PID processing, described second is obtained and refers to active power.
Further, the processor 74, which is additionally configured to run the executable program, realizes following steps：
When the DC voltage value for detecting inverter is less than predetermined threshold value, the active power of last output is exported.
Further, the processor 74, which is additionally configured to run the executable program, realizes following steps：
Stop receiving other instructions untill receiving the involution order.
Further, the involution order includes：Locally realize the life ordered, remotely realize involution operation of involution operation
Make, realized after postponing preset time involution operation order at least one of.
The equipment of the present embodiment, can be used for performing it is above-mentioned shown in embodiment of the method technical solution, its realization principle and
Technique effect is similar, and details are not described herein again.
As shown in fig. 7, the various components in the equipment 07 of control new energy power station active power are coupling in by bus 72
Together；It is understood that bus 72 is used for realization the connection communication between these components, bus 72 is in addition to including data/address bus, also
Including power bus, controlling bus and status signal bus in addition, but for the sake of clear explanation, in the figure 7 by various buses all
It is designated as bus 72.
Wherein, interface 71 can include display, keyboard, mouse, trace ball, click wheel, button, button, touch-sensitive plate or
Person's touch-screen etc..
It is appreciated that memory 73 can be volatile memory or nonvolatile memory, may also comprise volatibility and
Both nonvolatile memories.Wherein, nonvolatile memory can be read-only storage (ROM, Read Only Memory),
Programmable read only memory (PROM, Programmable Read-Only Memory), Erasable Programmable Read Only Memory EPROM
(EPROM, Erasable Programmable Read-Only Memory), electrically erasable programmable read-only memory
(EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access store
Device (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface are deposited
Reservoir, CD or read-only optical disc (CD-ROM, Compact Disc Read-Only Memory)；Magnetic surface storage can be
Magnetic disk storage or magnetic tape storage.Volatile memory can be random access memory (RAM, Random Access
Memory), it is used as External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as
Static RAM (SRAM, Static Random Access Memory), synchronous static RAM
(SSRAM, Synchronous Static Random Access Memory), dynamic random access memory (DRAM,
Dynamic Random Access Memory), Synchronous Dynamic Random Access Memory (SDRAM, Synchronous
Dynamic Random Access Memory), double data speed synchronous dynamic RAM (DDRSDRAM,
Double Data Rate Synchronous Dynamic Random Access Memory), enhanced synchronous dynamic random
Access memory (ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), synchronized links
Dynamic random access memory (SLDRAM, SyncLink Dynamic Random Access Memory), direct rambus
Random access memory (DRRAM, Direct Rambus Random Access Memory)；Description of the embodiment of the present invention is deposited
Reservoir 73 is intended to the memory of including but not limited to these and any other suitable type.
Memory 73 in the embodiment of the present invention is used to store various types of data to support control new energy power station to have
The operation of the equipment 07 of work(power, the example of these data include：For the equipment 07 in control new energy power station active power
Any computer program of upper operation, such as operating system and application program, wherein, operating system includes various system programs,
Such as ccf layer, core library layer, driving layer etc., it is used for realization various basic businesses and the hardware based task of processing；Using
Program can include various application programs, such as media player (Media Player), browser (Browser) etc., be used for
Realize various applied business, realize that the program of present invention method may be embodied in application program.
The method that the embodiments of the present invention disclose can be applied in processor 74, or be realized by processor 74；Place
It is probably a kind of IC chip to manage device 74, has the disposal ability of signal；During realization, each step of the above method
It can be completed by the integrated logic circuit of the hardware in processor 74 or the instruction of software form, above-mentioned processor 74 can
To be general processor, digital signal processor (DSP, Digital Signal Processor), or other programmable are patrolled
Collect device, discrete gate or transistor logic, discrete hardware components etc.；The present invention can be realized or performed to processor 74
Disclosed each method, step and logic diagram in embodiment；General processor can be microprocessor or any conventional
Processor etc.；The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor execution
Complete, or completion is performed with the hardware in decoding processor and software module combination；Software module can be located at storage medium
In, which is located at memory 73, and processor 74 reads the information in memory 73, and preceding method is completed with reference to its hardware
The step of.
In the exemplary embodiment, control the equipment 07 of new energy power station active power can be special by one or more application
With integrated circuit (ASIC, Application Specific Integrated Circuit), DSP, programmable logic device
(PLD, Programmable Logic Device), Complex Programmable Logic Devices (CPLD, Complex Programmable
Logic Device), field programmable gate array (FPGA, Field-Programmable Gate Array), general procedure
Device, controller, microcontroller (MCU, Micro Controller Unit), microprocessor (Microprocessor) or other
Electronic component is realized, for performing preceding method.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and the computer-readable recording medium can be
The memories such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface storage, CD or CD-ROM,
Can be the various equipment for including one of above-mentioned memory or any combination；The computer-readable recording medium storage has one
Or multiple programs, one or more of programs can be performed by one or more processor, to realize following steps：
According to the information and predetermined coefficient of new energy power station, the maximum for obtaining the new energy power station can hoisting power and most
Drop power can be returned greatly, according to the maximum of the new energy power station can hoisting power and maximum can return drop power, obtain the new energy
The output area of the active power in source power station；
Instruction generation first according to receiving refers to active power；
Active power is referred to according to the frequency of the grid entry point of the new energy power station and described first, obtaining the second reference has
Work(power；
When the instruction received instructs for stability contorting, in the output area of the active power of the new energy power station
Active power active power of output is referred to according to described first；When the instruction received is unstable control instruction, receive
Exported after involution order in the output area of the active power of the new energy power station according to described second with reference to active power
Active power.
Further, one or more of programs can be performed by one or more of processors, with specific real
Existing following steps：
Obtained according to the system information of photovoltaic plant, illumination intensity information, temperature information and inverter direct-current voltage information
The photovoltaic plant hoisting power and can return drop power；
By the photovoltaic plant can hoisting power and can return drop power is multiplied respectively with the predetermined coefficient, obtain described in
The maximum of photovoltaic plant can hoisting power and maximum can return drop power.
Further, one or more of programs can be performed by one or more of processors, with specific real
Existing following steps：
The stability contorting received instruction or scheduling adjustment instruction are converted to first and refer to active power.
Further, one or more of programs can be performed by one or more of processors, with specific real
Existing following steps：
Obtain the frequency of the grid entry point of the new energy power station；
The frequency is normalized successively, the processing of gain and inertia, obtains the first result；
First result is added with described first with reference to active power, obtains the second result；
Second result is passed through into proportional-integral-differential PID processing, described second is obtained and refers to active power.
Further, one or more of programs can also be performed by one or more of processors, to realize
Following steps：
When the DC voltage value for detecting inverter is less than predetermined threshold value, the active power of last output is exported.
Further, one or more of programs can also be performed by one or more of processors, to realize
Following steps：
Stop receiving other instructions untill receiving the involution order.
Further, the involution order includes：Locally realize the life ordered, remotely realize involution operation of involution operation
Make, realized after postponing preset time involution operation order at least one of.
The computer-readable recording medium of the present embodiment, can be used for the technical side for performing above-mentioned shown embodiment of the method
Case, its implementing principle and technical effect is similar, and details are not described herein again.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the shape of the embodiment in terms of the present invention can use hardware embodiment, software implementation or combination software and hardware
Formula.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more to use storage
The form for the computer program product that medium is implemented on (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or square frame in journey and/or square frame and flowchart and/or the block diagram.These computer programs can be provided
The processors of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices, which produces, to be used in fact
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided and is used for realization in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a square frame or multiple square frames.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (16)
- A kind of 1. method for controlling new energy power station active power, it is characterised in that the described method includes：According to the information and predetermined coefficient of new energy power station, obtain the new energy power station maximum can hoisting power and maximum can Return drop power, according to the maximum of the new energy power station can hoisting power and maximum can return drop power, obtain the new energy electricity The output area for the active power stood；Instruction generation first according to receiving refers to active power；Active power is referred to according to the frequency of the grid entry point of the new energy power station and described first, second is obtained and refers to wattful power Rate；When the instruction received instructs for stability contorting, the basis in the output area of the active power of the new energy power station Described first refers to active power active power of output；When the instruction received is unstable control instruction, involution is received It is active with reference to active power output according to described second in the output area of the active power of the new energy power station after order Power.
- 2. according to the method described in claim 1, it is characterized in that, the information and predetermined coefficient according to new energy power station, Obtain the new energy power station maximum can hoisting power and maximum can return drop power, including：According to obtaining the system information of photovoltaic plant, illumination intensity information, temperature information and inverter direct-current voltage information Photovoltaic plant hoisting power and can return drop power；By the photovoltaic plant can hoisting power and can return drop power be multiplied respectively with the predetermined coefficient, obtain the photovoltaic The maximum in power station can hoisting power and maximum can return drop power.
- 3. according to the method described in claim 1, it is characterized in that, the instruction that the basis receives generates first with reference to active Power, including：The stability contorting received instruction or scheduling adjustment instruction are converted to described first and refer to active power.
- 4. the according to the method described in claim 1, it is characterized in that, frequency of the grid entry point according to the new energy power station And described first refer to active power, obtain second and refer to active power, including：Obtain the frequency of the grid entry point of the new energy power station；The frequency is normalized successively, the processing of gain and inertia, obtains the first result；First result is added with described first with reference to active power, obtains the second result；Second result is passed through into proportional-integral-differential PID processing, described second is obtained and refers to active power.
- 5. the according to the method described in claim 1, it is characterized in that, output area of the active power in the new energy power station It is interior according to described first with reference to after active power active power of output, the method further includes：When the DC voltage value for detecting inverter is less than predetermined threshold value, the active power of last output is exported.
- 6. according to the method described in claim 1, it is characterized in that, described instruct it in the instruction received for stability contorting Afterwards, the method further includes：Stop receiving other instructions untill receiving the involution order.
- 7. method according to any one of claims 1 to 6, it is characterised in that the involution order includes：It is local to realize again Return the ordering of operation, remotely realize the order of involution operation, in the order that involution operates is realized after postpone preset time extremely One item missing.
- 8. a kind of device for controlling new energy power station active power, it is characterised in that described device includes：Computing module, for the information and predetermined coefficient according to new energy power station, obtaining the maximum of the new energy power station can carry Power per liter and maximum can return drop power, according to the maximum of the new energy power station can hoisting power and maximum can return drop power, obtain To the output area of the active power of the new energy power station；First processing module, for referring to active power according to the instruction generation first received；Second processing module, active power is referred to for the frequency of the grid entry point according to the new energy power station and described first, Obtain second and refer to active power；Output module, for when the instruction received instructs for stability contorting, in the active power of the new energy power station In output area active power active power of output is referred to according to described first；The output module, is additionally operable to when the instruction received is unstable control instruction, receives after involution order in institute State in the output area of the active power of new energy power station and refer to active power active power of output according to described second.
- 9. device according to claim 8, it is characterised in that the computing module, specifically for according to photovoltaic plant What system information, illumination intensity information, temperature information and inverter direct-current voltage information obtained the photovoltaic plant lifts work( Rate and drop power can be returned；By the photovoltaic plant can hoisting power and can return drop power be multiplied respectively with the predetermined coefficient, Obtain the photovoltaic plant maximum can hoisting power and maximum can return drop power.
- 10. device according to claim 8, it is characterised in that the first processing module, specifically for that will receive Stability contorting instructs or scheduling adjustment instruction is converted to described first and refers to active power.
- 11. device according to claim 8, it is characterised in that the Second processing module is described new specifically for obtaining The frequency of the grid entry point in energy power station；The frequency is normalized successively, the processing of gain and inertia, obtains the first result； First result is added with described first with reference to active power, obtains the second result；By second result by ratio- Integrated Derivative PID processing, obtains described second and refers to active power.
- 12. device according to claim 8, it is characterised in that the output module, is additionally operable to detecting inverter When DC voltage value is less than predetermined threshold value, the active power of last output is exported.
- 13. device according to claim 8, it is characterised in that the output module, is additionally operable to stop receiving other instructions Untill receiving the involution order.
- 14. according to claim 8 to 13 any one of them device, it is characterised in that the involution order includes：It is local to realize What involution operated orders, remotely realizes the order of involution operation, in the order that involution operation is realized after postponing preset time At least one of.
- 15. a kind of equipment for controlling new energy power station active power, it is characterised in that the equipment includes：Interface, bus, is deposited Reservoir, with processor, the interface, memory are connected with processor by the bus, and the memory can for storage Executive program, the processor, which is configured as running the executable program, realizes following steps：According to the information and predetermined coefficient of new energy power station, obtain the new energy power station maximum can hoisting power and maximum can Return drop power, according to the maximum of the new energy power station can hoisting power and maximum can return drop power, obtain the new energy electricity The output area for the active power stood；Instruction generation first according to receiving refers to active power；Active power is referred to according to the frequency of the grid entry point of the new energy power station and described first, second is obtained and refers to wattful power Rate；When the instruction received instructs for stability contorting, the basis in the output area of the active power of the new energy power station Described first refers to active power active power of output；When the instruction received is unstable control instruction, involution is received It is active with reference to active power output according to described second in the output area of the active power of the new energy power station after order Power.
- A kind of 16. computer-readable recording medium, it is characterised in that the computer-readable recording medium storage have one or Multiple programs, one or more of programs can be performed by one or more processor, to realize such as claim 1 to 7 Any one of them controls the step of method of new energy power station active power.
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