CN110048436A - Power grid frequency modulation control method and device - Google Patents
Power grid frequency modulation control method and device Download PDFInfo
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- CN110048436A CN110048436A CN201910363796.XA CN201910363796A CN110048436A CN 110048436 A CN110048436 A CN 110048436A CN 201910363796 A CN201910363796 A CN 201910363796A CN 110048436 A CN110048436 A CN 110048436A
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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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
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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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
Abstract
This application discloses a kind of power grid frequency modulation control method and device.This method comprises: the rotational speed difference of setting generated output, the actual generation power of generator based on electric grid secondary frequency modulation and the setting speed of steam turbine and actual speed, determines the load that generator needs to adjust, wherein steam turbine is power electric generators；The steam flow amount of steam turbine is adjusted based on the load that generator needs to adjust；After the steam flow amount for adjusting steam turbine, obtains mains frequency and primary frequency modulation load is calculated based on mains frequency；Based on the operation of primary frequency modulation Load Regulation boiler, to complete the primary frequency modulation movement of power grid.It by the application, solves primary frequency modulation in the related technology and frequency modulation frequency modulation and independently carries out, be easy frequency modulation direction of action and instead result in the problem of demodulating frequency.
Description
Technical field
This application involves power grid frequency modulation technical fields, in particular to a kind of power grid frequency modulation control method and device.
Background technique
Power industry method has regulation to the frequency error rate of power grid, and in order to reduce difference on the frequency, power grid passes through the AGC function of unit
Energy and frequency modulation unit realize frequency modulation frequency modulation, to keep mains frequency to stablize, but need to load variations quickly small in power grid
DEH, digital electro-hydraulic regulating system for steam turbine monitor the variation of revolving speed in the case where not changing load setting point, change power generation
Machine power adapts to the random fluctuation of network load, guarantees that mains frequency is stablized, realizes primary frequency modulation.
To improve the unit operation and management level that generates electricity by way of merging two or more grid systems, it is ensured that operation of power networks is reliable and stable, proposes to power grid frequency modulation
New check requirements, for example, 15 seconds power output response indexs are unqualified less than 75% for coal motor group；For coal motor group,
30 seconds power output response indexs are unqualified less than 90%；For all coal motor groups, electricity contribution index does not conform to less than 75%
Lattice.If grid-connected unit is unable to satisfy the requirement of primary frequency regulation of power network moral character energy performance assessment criteria, a certain number of electricity will be monthly undertaken
Examination.
After the raising of primary frequency modulation appraisal standards, existing primary frequency modulation control method is easy to appear following problems: one
Be that the duration that unit responds primary frequency modulation is inadequate, second is that occur during primary frequency modulation acts AGC command direction with
The case where primary frequency modulation direction of action mutually causes anti-tune to act on instead.
It is independently carried out for primary frequency modulation in the related technology and frequency modulation frequency modulation, is easy frequency modulation direction of action and instead results in anti-tune
The problem of frequency, currently no effective solution has been proposed.
Summary of the invention
The application provides a kind of power grid frequency modulation control method and device, to solve primary frequency modulation and secondary tune in the related technology
Frequency is independent to carry out, and is easy frequency modulation direction of action and instead results in the problem of demodulating frequency.
According to the one aspect of the application, a kind of power grid frequency modulation control method is provided.This method comprises: being based on power grid two
Setting generated output, the actual generation power of generator and the setting speed of steam turbine of secondary frequency modulation and turning for actual speed
Speed difference determines the load that generator needs to adjust, wherein steam turbine is power electric generators；It needs to adjust based on generator
The load of section adjusts the steam flow amount of steam turbine；After the steam flow amount for adjusting steam turbine, obtains mains frequency and be based on power grid
Frequency calculates primary frequency modulation load；Based on the operation of primary frequency modulation Load Regulation boiler, to complete the primary frequency modulation movement of power grid.
Further, the actual generation power and number of the setting generated output based on electric grid secondary frequency modulation, generator
The setting speed of steam turbine in electrohydraulic control system and the rotational speed difference of actual speed determine the load that generator needs to adjust
It include: the multiple generated output range sections of setting；Based on setting generated output and generator actual generation power difference and
Corresponding function of load is arranged for each generated output range section in the setting speed of steam turbine and the rotational speed difference of actual speed；Really
Determining generated output range section belonging to actual generation power is target power range section；It is corresponding negative based on target power range section
Lotus function calculates the load that generator needs to adjust.
Further, the difference of actual generation power and setting for steam turbine based on setting generated output and generator
Determine the rotational speed difference of revolving speed and actual speed, it includes: based on setting that corresponding function of load, which is arranged, for each generated output range section
The difference of the actual generation power of generated output and generator determines the first Load Regulation amount；Setting speed based on steam turbine with
The rotational speed difference of actual speed determines the second Load Regulation amount；Minimum is taken in the first Load Regulation amount and the second Load Regulation amount
Value, and be that corresponding function of load is arranged in each generated output range section based on the result being minimized.
Further, the rotational speed difference based on the setting speed of steam turbine and actual speed determines the second Load Regulation amount packet
It includes: setting multiple rotational speed difference range sections；Corresponding default load regulated quantity is set separately for every speed difference range section；By steamer
Rotational speed difference range section belonging to the setting speed of machine and the rotational speed difference of actual speed is determined as rotating speed of target difference range section；In target
When rotational speed difference range section is preset rotation speed difference range section, the corresponding default load regulated quantity of rotating speed of target difference range section is determined as
The corresponding second Load Regulation amount of rotating speed of target difference range section；Rotational speed difference in rotating speed of target difference range section is greater than preset rotation speed
When rotational speed difference in poor range section, according to default frequency on the basis of rotating speed of target difference range section corresponding default load regulated quantity
Rate reduces Load Regulation amount, obtains the corresponding second Load Regulation amount of rotating speed of target difference range section；In rotating speed of target difference range section
In rotational speed difference be less than preset rotation speed difference range section in rotational speed difference when, in the corresponding default load tune of rotating speed of target difference range section
Increase Load Regulation amount according to predeterminated frequency on the basis of section amount, obtains corresponding second Load Regulation of rotating speed of target difference range section
Amount.
Further, this method further include: in the case where the pressure of steam turbine deviates preset pressure value, based on power grid frequency
Difference signal, which obtains, adjusts the default valve position regulated quantity that mains frequency needs, wherein power grid frequency difference signal is the setpoint frequency of power grid
With the difference of the actual frequency of power grid；The first valve position regulated quantity is calculated based on pressure compensation coefficient and default valve position regulated quantity；Base
Needing the load adjusted to adjust the steam flow amount of steam turbine in generator includes: that the load for needing to adjust based on generator determines
Second valve position regulated quantity adjusts the aperture of the admission valve of steam turbine based on the first valve position regulated quantity and the second valve position regulated quantity,
And/or the aperture of the steam extraction valve of steam turbine, to adjust the steam flow amount of steam turbine.
Further, after the operation based on primary frequency modulation Load Regulation boiler, this method further include: in preset time period
Interior detection mains frequency is re-executed in the case where the deviation of mains frequency and predeterminated frequency is greater than the first predetermined deviation value
The primary frequency modulation of power grid acts；Mains frequency is detected in preset time point, is greater than the in the deviation of mains frequency and predeterminated frequency
In the case where two predetermined deviation values, the primary frequency modulation movement of power grid is re-executed.
According to the another aspect of the application, a kind of power grid frequency modulation control device is provided.The device comprises determining that unit,
For setting generated output, the actual generation power of generator and the setting speed of steam turbine based on electric grid secondary frequency modulation
With the rotational speed difference of actual speed, the load that generator needs to adjust is determined, wherein steam turbine is power electric generators；The
One adjusts unit, and the load for needing to adjust based on generator adjusts the steam flow amount of steam turbine；First acquisition unit is used for
After the steam flow amount for adjusting steam turbine, obtains mains frequency and primary frequency modulation load is calculated based on mains frequency；Second is adjusted
Unit, for the operation based on primary frequency modulation Load Regulation boiler, to complete the primary frequency modulation movement of power grid.
Further, it is determined that unit includes: setting module, for setting multiple generated output range sections；Setup module is used
In the difference of actual generation power and the setting speed of steam turbine and actual speed based on setting generated output and generator
Rotational speed difference, for each generated output range section, corresponding function of load is set；Determining module, for determining actual generation power
Affiliated generated output range section is target power range section；Computing module, for corresponding negative based on target power range section
Lotus function calculates the load that generator needs to adjust.
To achieve the goals above, according to the another aspect of the application, a kind of storage medium is provided, storage medium includes
The program of storage, wherein program executes any one of the above power grid frequency modulation control method.
To achieve the goals above, according to the another aspect of the application, a kind of processor is provided, processor is for running
Program, wherein program executes any one of the above power grid frequency modulation control method when running.
By the application, using following steps: the practical hair of setting generated output, generator based on electric grid secondary frequency modulation
The rotational speed difference of the setting speed and actual speed of electrical power and steam turbine determines the load that generator needs to adjust,
In, steam turbine is power electric generators；The steam flow amount of steam turbine is adjusted based on the load that generator needs to adjust；It is adjusting
After the steam flow amount of steam turbine, obtains mains frequency and primary frequency modulation load is calculated based on mains frequency；It is negative based on primary frequency modulation
Lotus adjusts the operation of boiler, to complete the primary frequency modulation movement of power grid, solves primary frequency modulation in the related technology and frequency modulation frequency modulation
It is independent to carry out, it is easy frequency modulation direction of action and instead results in the problem of demodulating frequency.It is adjusted by the load that generator needs to adjust
The steam flow amount of steam turbine, and the operation of boiler is adjusted after adjusting steam flow amount, and then reach primary frequency modulation and secondary tune
Frequency combines, and will not generate the effect for demodulating frequency.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, the schematic reality of the application
Example and its explanation are applied for explaining the application, is not constituted an undue limitation on the present application.In the accompanying drawings:
Fig. 1 is the flow chart according to power grid frequency modulation control method provided by the embodiments of the present application；
Fig. 2 is according to the frequency modulation model schematic in power grid frequency modulation control method provided by the embodiments of the present application；
Fig. 3 is according to the primary frequency modulation curve in power grid frequency modulation control method provided by the embodiments of the present application；And
Fig. 4 is the schematic diagram according to power grid frequency modulation control device provided by the embodiments of the present application.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
According to an embodiment of the present application, a kind of power grid frequency modulation control method is provided.
Fig. 1 is the flow chart according to the power grid frequency modulation control method of the embodiment of the present application.As shown in Figure 1, this method includes
Following steps:
Step S101, the actual generation power and steamer of setting generated output, generator based on electric grid secondary frequency modulation
The setting speed of machine and the rotational speed difference of actual speed determine the load that generator needs to adjust, wherein steam turbine is generator
Power is provided.
It should be noted that if the rotational speed difference of setting speed and actual speed according only to steam turbine determines generator needs
The load of adjusting, the case where being easy to cause primary frequency modulation and frequency modulation frequency modulation to demodulate frequency generation, thus, comprehensive rotational speed difference and electricity
The difference of the setting generated output and actual generation power of net frequency modulation frequency modulation, determines the load that generator needs to adjust, and inhibits
Demodulate the generation of frequency.
Optionally, in power grid frequency modulation control method provided by the embodiments of the present application, the setting based on electric grid secondary frequency modulation
The setting speed and reality of generated output, the actual generation power of generator and the steam turbine in digital electrohydraulic control system
The rotational speed difference of revolving speed, determining that generator needs the load adjusted includes: the multiple generated output range sections of setting；It is sent out based on setting
The setting speed of the difference and steam turbine of electrical power and the actual generation power of generator and the rotational speed difference of actual speed are
Corresponding function of load is arranged in each generated output range section；Determine that generated output range section belonging to actual generation power is mesh
Mark power bracket section；The load that generator needs to adjust is calculated based on the corresponding function of load of target power range section.
As shown in Fig. 2, being according to the frequency modulation model schematic of the power grid frequency modulation control method of the embodiment of the present application, specifically
, it can be set and set multiple generated output range sections as 500MW-600MW, 600MW-700MW, 700MW-800MW, 800MW-
900MW, it is greater than 900MW, determines generated output range section belonging to actual generation power, in setting generated output and generator
Small numerical value is taken between the difference of actual generation power and the setting speed of steam turbine and the rotational speed difference of actual speed, is based on
Small numerical value Load Regulation coefficient corresponding from different generated output ranges determines the load that generator needs to adjust.
For accurately assumed load function, optionally, in power grid frequency modulation control method provided by the embodiments of the present application,
The difference of actual generation power and the setting speed of steam turbine and actual speed based on setting generated output and generator
Rotational speed difference, it includes: based on setting generated output and generator that corresponding function of load, which is arranged, for each generated output range section
The difference of actual generation power determines the first Load Regulation amount；The rotational speed difference of setting speed and actual speed based on steam turbine is true
Fixed second Load Regulation amount；It is minimized in the first Load Regulation amount and the second Load Regulation amount, and based on being minimized
As a result corresponding function of load is set for each generated output range section.
It should be noted that needing to send out in the case that setting generated output is different from the actual generation power of generator
The actual power of motor is adjusted to setting generated output, to adjust network load, mains frequency is poor to reduce, in steam turbine
In the case that setting speed is different from actual speed, need the actual speed of steam turbine being adjusted to setting speed, to adjust
Network load, mains frequency is poor to reduce, inconsistent in the Load Regulation amount determined with generated output difference and turbine speed difference
In the case where, small numerical value is taken between, as the input value of function of load, prevents from excessively adjusting.
Optionally, in power grid frequency modulation control method provided by the embodiments of the present application, setting speed based on steam turbine with
The rotational speed difference of actual speed determines that the second Load Regulation amount includes: the multiple rotational speed difference range sections of setting；For every speed difference range
Corresponding default load regulated quantity is set separately in section；By revolving speed belonging to the rotational speed difference of the setting speed of steam turbine and actual speed
Poor range section is determined as rotating speed of target difference range section；When rotating speed of target difference range section is preset rotation speed difference range section, by target
The corresponding default load regulated quantity of rotational speed difference range section is determined as the corresponding second Load Regulation amount of rotating speed of target difference range section；?
When rotational speed difference in rotating speed of target difference range section is greater than the rotational speed difference in preset rotation speed difference range section, in rotating speed of target difference range section
Load Regulation amount is reduced according to predeterminated frequency on the basis of corresponding default load regulated quantity, obtains rotating speed of target difference range section pair
The the second Load Regulation amount answered；It is less than the rotational speed difference in preset rotation speed difference range section in the rotational speed difference in rotating speed of target difference range section
When, increase Load Regulation amount according to predeterminated frequency on the basis of rotating speed of target difference range section corresponding default load regulated quantity,
Obtain the corresponding second Load Regulation amount of rotating speed of target difference range section.
For example, the setting speed of the side DEH is 3000rpm, setting value and measured value take difference as slip, larger in rotational speed difference
In the case where, need to reduce Load Regulation amount according to predeterminated frequency, it is lesser in rotational speed difference to reach suitable Load Regulation amount
In the case of, it needs to increase Load Regulation amount according to predeterminated frequency, to reach suitable Load Regulation amount, thus dynamic in primary frequency modulation
It is appropriate to reduce percentage speed variation setting when power grid frequency modulation requirement is not achieved as value, increase pitch aperture, increase primary frequency modulation load
Variable quantity, to reach check requirements.
Step S102 adjusts the steam flow amount of steam turbine based on the load that generator needs to adjust.
Specifically, the load that adjusts is needed to obtain flow-compensated value by generator, Lai Xiuzheng main steam flow setting value,
To change generator power.
Step S103 is obtained mains frequency and is calculated based on mains frequency primary after the steam flow amount for adjusting steam turbine
Frequency modulation load.
Step S104, based on the operation of primary frequency modulation Load Regulation boiler, to complete the primary frequency modulation movement of power grid.
It should be noted that after direct action valve regulated, carrying out the one of the side CCS in the side power grid DEH progress primary frequency modulation
Secondary frequency modulation is compensated with the frequency modulation to the side DEH, guarantees that unit load meets grid requirements, and specifically, the side CCS obtains power grid
Frequency signal, the primary frequency modulation load obtained after dead zone is handled, is added on the master selector in coordinated control circuit, compensation
Influence of the steam turbine load variations to boiler, wherein the related parameter setting of primary frequency modulation is that Regulation dead-band is ± 2r/min
(0.0333Hz), the system speed rate of change are 4.5%, and primary frequency modulation curve setting is as shown in Figure 3.
Power grid frequency modulation control method provided by the embodiments of the present application passes through the setting power generation function based on electric grid secondary frequency modulation
The rotational speed difference of rate, the setting speed of the actual generation power of generator and steam turbine and actual speed determines generator needs
The load of adjusting, wherein steam turbine is power electric generators；Steam turbine is adjusted based on the load that generator needs to adjust
Steam flow amount；After the steam flow amount for adjusting steam turbine, obtains mains frequency and primary frequency modulation load is calculated based on mains frequency；
It is solved primary in the related technology based on the operation of primary frequency modulation Load Regulation boiler to complete the primary frequency modulation movement of power grid
Frequency modulation and frequency modulation frequency modulation independently carry out, and are easy frequency modulation direction of action and instead result in the problem of demodulating frequency.It needs to adjust by generator
The load of section adjusts the steam flow amount of steam turbine, and the operation of boiler is adjusted after adjusting steam flow amount, and then reached one
Secondary frequency modulation and frequency modulation frequency modulation combine, and will not generate the effect for demodulating frequency.
When steam turbine pressure deviates preset pressure value, the influence to primary frequency modulation effect is bigger, optionally, in this Shen
Please be in the power grid frequency modulation control method that provides of embodiment, this method further include: deviate preset pressure value in the pressure of steam turbine
In the case of, the default valve position regulated quantity for adjusting mains frequency and needing is obtained based on power grid frequency difference signal, wherein power grid frequency difference signal
For the difference of the actual frequency of the setpoint frequency and power grid of power grid；The is calculated based on pressure compensation coefficient and default valve position regulated quantity
One valve position regulated quantity；Needing the load adjusted to adjust the steam flow amount of steam turbine based on generator includes: based on generator needs
The load of adjusting determines the second valve position regulated quantity, adjusts steam turbine based on the first valve position regulated quantity and the second valve position regulated quantity
The aperture of the steam extraction valve of the aperture and/or steam turbine of admission valve, to adjust the steam flow amount of steam turbine.
It should be noted that pressure is lower in underload, it is same that valve valve bit instruction is adjusted to tend not to be converted to accordingly
Load, make frequency modulation amplitude lower than same frequency difference high load capacity frequency modulation amplitude and setting frequency modulation amplitude, and close to it is specified bear
When lotus, pressure is higher, and frequency modulation amplitude can be higher than design frequency modulation amplitude.Therefore, pressure compensation can be introduced, the comprehensive of primary frequency modulation is made
It is both related to the momentary speed variation of setting and frequency difference to close valve position step increments, it is also related to pressure before machine.Specifically, by power grid
Frequency difference signal obtains the synthesis valve seat opening increment that current frequency modulation needs, pressure passes through before machine after the conversion of frequency adjustment valve bit function
Pressure compensation function generates pressure compensation coefficient, and the two is multiplied to obtain compensated comprehensive valve seat opening increment, to eliminate master
Influence of the steam pressure to primary frequency modulation.
Optionally, in power grid frequency modulation control method provided by the embodiments of the present application, it is being based on primary frequency modulation Load Regulation
After the operation of boiler, this method further include: mains frequency is detected within a preset period of time, in the inclined of mains frequency and predeterminated frequency
In the case that difference is greater than the first predetermined deviation value, the primary frequency modulation movement of power grid is re-executed；Power grid is detected in preset time point
Frequency re-executes the primary of power grid in the case where the deviation of mains frequency and predeterminated frequency is greater than the second predetermined deviation value
Frequency modulation movement.
Specifically, in the 15S after primary frequency modulation movement, detect whether force-responsive index is greater than 75%, if being less than
75% is unqualified, re-executes the primary frequency modulation movement of power grid；And the 30S after primary frequency modulation movement detects force-responsive
Whether index is greater than 90%, if the primary frequency modulation movement of power grid is re-executed, to guarantee grid-connected unit less than 90% to be unqualified
Operation meet the Performance Assessment index request of primary frequency regulation of power network.
Through this embodiment, high pitch is solved using accurate primary frequency modulation Closed-loop Control Strategy in the side CCS of power grid
The problems such as no frequency modulation nargin problem, primary frequency modulation movement are prior to AGC, adjusts sliding pressure parameter of curve, using AGC and primary frequency modulation
Conflict suppression technology, while carrying out pressure and retracting logic optimization.In the side DEH of power grid, using based on speed-regulating system multi-model
The primary frequency modulation Optimal Control Strategy of prediction obtains the multi-model of different load section set speed adjustment system by modeling, and
Delay a variety of methods such as meeting, segmentation diversity factor setting, pressure correction, time complexity curve by snap-action, it is comprehensive to solve unit primary frequency modulation
15s, 30s response index (rapidity shortcoming) not up to standard and the problem of device electricity (duration shortcoming) not up to standard in the process,
Improvement is optimized with the primary frequency modulation characteristic to all types of coal-fired Turbo-generator Sets, improves the unit primary frequency modulation that generates electricity by way of merging two or more grid systems
Accuracy is acted, power network safety operation demand is met, facilitates factory's acquisition primary frequency modulation forward direction reward of generating electricity by way of merging two or more grid systems.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
The embodiment of the present application also provides a kind of power grid frequency modulation control devices, it should be noted that the embodiment of the present application
Power grid frequency modulation control device can be used for executing provided by the embodiment of the present application for power grid frequency modulation control method.Below to this
The power grid frequency modulation control device that application embodiment provides is introduced.
Fig. 4 is the schematic diagram according to the power grid frequency modulation control device of the embodiment of the present application.As shown in figure 4, the device includes:
Determination unit 10, first adjusts unit 20, first acquisition unit 30 and second adjusts unit 40.
Specifically, it is determined that unit 10, the actual power for setting generated output, generator based on electric grid secondary frequency modulation
The rotational speed difference of the setting speed and actual speed of power and steam turbine determines the load that generator needs to adjust, wherein
Steam turbine is power electric generators.
First adjusts unit 20, and the load for needing to adjust based on generator adjusts the steam flow amount of steam turbine.
First acquisition unit 30, for after the steam flow amount for adjusting steam turbine, obtaining mains frequency and based on power grid frequency
Rate calculates primary frequency modulation load.
Second adjusts unit 40, for the operation based on primary frequency modulation Load Regulation boiler, to complete the primary tune of power grid
Frequency acts.
Optionally, in power grid frequency modulation control device provided by the embodiments of the present application, setup module includes: the first determining son
Module, for determining the first Load Regulation amount based on the difference of setting generated output and the actual generation power of generator；Second
Determine submodule, the rotational speed difference for setting speed and actual speed based on steam turbine determines the second Load Regulation amount；Setting
Submodule for being minimized in the first Load Regulation amount and the second Load Regulation amount, and is based on the result being minimized
Corresponding function of load is arranged in each generated output range section.
Optionally, in power grid frequency modulation control device provided by the embodiments of the present application, second determines that submodule includes: first
Submodule is set, for setting multiple rotational speed difference range sections；Second setting submodule, for distinguishing for every speed difference range section
Set corresponding default load regulated quantity；Third determines submodule, for turning the setting speed of steam turbine and actual speed
Rotational speed difference range section belonging to speed difference is determined as rotating speed of target difference range section；4th determines submodule, for poor in rotating speed of target
When range section is preset rotation speed difference range section, the corresponding default load regulated quantity of rotating speed of target difference range section is determined as target and is turned
The corresponding second Load Regulation amount of speed difference range section；Load shedding submodule, for the rotational speed difference in rotating speed of target difference range section
When greater than rotational speed difference in the poor range section of preset rotation speed, on the basis of the corresponding default load regulated quantity of rotating speed of target difference range section
On according to predeterminated frequency reduce Load Regulation amount, obtain the corresponding second Load Regulation amount of rotating speed of target difference range section；Increase load
Submodule, for the rotational speed difference in rotating speed of target difference range section be less than preset rotation speed difference range section in rotational speed difference when, in mesh
Increase Load Regulation amount according to predeterminated frequency on the basis of the corresponding default load regulated quantity of mark rotational speed difference range section, obtains target
The corresponding second Load Regulation amount of rotational speed difference range section.
Optionally, in power grid frequency modulation control device provided by the embodiments of the present application, the device further include: second obtains list
Member, for being obtained based on power grid frequency difference signal and adjusting mains frequency in the case where the pressure of steam turbine deviates preset pressure value
The default valve position regulated quantity needed, wherein power grid frequency difference signal is the difference of the setpoint frequency of power grid and the actual frequency of power grid；
Computing unit, for calculating the first valve position regulated quantity based on pressure compensation coefficient and default valve position regulated quantity；First adjusts unit
Include: adjustment module, for needing the load adjusted to determine the second valve position regulated quantity based on generator, is based on the first valve position tune
Section amount and the second valve position regulated quantity adjust the aperture of the aperture of the admission valve of steam turbine and/or the steam extraction valve of steam turbine, with
Adjust the steam flow amount of steam turbine.
Optionally, in power grid frequency modulation control device provided by the embodiments of the present application, the device further include: detection unit,
For detecting mains frequency within a preset period of time after the operation based on primary frequency modulation Load Regulation boiler, in mains frequency
And in the case that the deviation of predeterminated frequency is greater than the first predetermined deviation value, the primary frequency modulation movement of power grid is re-executed；Execute list
Member is greater than the second predetermined deviation value in the deviation of mains frequency and predeterminated frequency for detecting mains frequency in preset time point
In the case where, re-execute the primary frequency modulation movement of power grid.
Power grid frequency modulation control device provided by the embodiments of the present application passes through the setting based on electric grid secondary frequency modulation of determination unit 10
Determine the rotational speed difference of generated output, the setting speed of the actual generation power of generator and steam turbine and actual speed, determines hair
Motor needs the load adjusted, wherein steam turbine is power electric generators；First adjusts unit 20 is needed based on generator
The load of adjusting adjusts the steam flow amount of steam turbine；First acquisition unit 30 obtains electricity after the steam flow amount for adjusting steam turbine
Net frequency simultaneously calculates primary frequency modulation load based on mains frequency；Second adjusts unit 40 based on primary frequency modulation Load Regulation boiler
Operation solves primary frequency modulation in the related technology and frequency modulation frequency modulation and independently carries out, be easy to complete the primary frequency modulation movement of power grid
Frequency modulation direction of action instead results in the problem of demodulating frequency, and the steam flow of steam turbine is adjusted by the load that generator needs to adjust
It measures, and adjusts the operation of boiler after adjusting steam flow amount, and then reached primary frequency modulation and frequency modulation frequency modulation combination, will not produce
The raw effect for demodulating frequency.
The power grid frequency modulation control device includes processor and memory, above-mentioned determination unit 10, first adjust unit 20,
First acquisition unit 30 and second adjusting unit 40 etc. store in memory as program unit, execute storage by processor
Above procedure unit in memory realizes corresponding function.
Include kernel in processor, is gone in memory to transfer corresponding program unit by kernel.Kernel can be set one
Or more, it is independently carried out by adjusting kernel parameter to solve primary frequency modulation in the related technology and frequency modulation frequency modulation, it is dynamic to be easy frequency modulation
Make contrary the problem of leading to anti-tune frequency.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, if read-only memory (ROM) or flash memory (flash RAM), memory include that at least one is deposited
Store up chip.
The embodiment of the invention provides a kind of storage mediums, are stored thereon with program, real when which is executed by processor
The existing power grid frequency modulation control method.
The embodiment of the invention provides a kind of processor, the processor is for running program, wherein described program operation
Power grid frequency modulation control method described in Shi Zhihang.
The embodiment of the invention provides a kind of equipment, equipment include processor, memory and storage on a memory and can
The program run on a processor, processor perform the steps of the setting power generation based on electric grid secondary frequency modulation when executing program
The rotational speed difference of power, the setting speed of the actual generation power of generator and steam turbine and actual speed determines that generator needs
The load to be adjusted, wherein steam turbine is power electric generators；Steamer is adjusted based on the load that generator needs to adjust
The steam flow amount of machine；After the steam flow amount for adjusting steam turbine, obtains mains frequency and primary frequency modulation is calculated based on mains frequency and bear
Lotus；Based on the operation of primary frequency modulation Load Regulation boiler, to complete the primary frequency modulation movement of power grid.
The actual generation power and digital electro-hydraulic control of setting generated output, generator based on electric grid secondary frequency modulation
The setting speed of steam turbine in system and the rotational speed difference of actual speed, determining that generator needs the load adjusted includes: to set
Fixed multiple generated output range sections；The difference and steam turbine of actual generation power based on setting generated output and generator
Setting speed and actual speed rotational speed difference, for each generated output range section, corresponding function of load is set；It determines practical
Generated output range section belonging to generated output is target power range section；Based on the corresponding function of load of target power range section
Calculate the load that generator needs to adjust.
The difference of actual generation power and the setting speed of steam turbine and reality based on setting generated output and generator
The rotational speed difference of border revolving speed, for each generated output range section be arranged corresponding function of load include: based on setting generated output with
The difference of the actual generation power of generator determines the first Load Regulation amount；Setting speed and actual speed based on steam turbine
Rotational speed difference determines the second Load Regulation amount；It is minimized in the first Load Regulation amount and the second Load Regulation amount, and is based on taking
The result of minimum value is that corresponding function of load is arranged in each generated output range section.
The rotational speed difference of setting speed and actual speed based on steam turbine determines that the second Load Regulation amount includes: that setting is multiple
Rotational speed difference range section；Corresponding default load regulated quantity is set separately for every speed difference range section；The setting of steam turbine is turned
Rotational speed difference range section belonging to rotational speed difference of the speed with actual speed is determined as rotating speed of target difference range section；In rotating speed of target difference range
When section is preset rotation speed difference range section, it is poor that the corresponding default load regulated quantity of rotating speed of target difference range section is determined as rotating speed of target
The corresponding second Load Regulation amount of range section；It is greater than in preset rotation speed difference range section in the rotational speed difference in rotating speed of target difference range section
Rotational speed difference when, on the basis of rotating speed of target difference range section corresponding default load regulated quantity according to predeterminated frequency reduce load
Regulated quantity obtains the corresponding second Load Regulation amount of rotating speed of target difference range section；Rotational speed difference in rotating speed of target difference range section
When less than rotational speed difference in the poor range section of preset rotation speed, on the basis of the corresponding default load regulated quantity of rotating speed of target difference range section
On according to predeterminated frequency increase Load Regulation amount, obtain the corresponding second Load Regulation amount of rotating speed of target difference range section.
This method further include: in the case where the pressure of steam turbine deviates preset pressure value, obtained based on power grid frequency difference signal
It takes and adjusts the default valve position regulated quantity that mains frequency needs, wherein power grid frequency difference signal is the setpoint frequency and power grid of power grid
The difference of actual frequency；The first valve position regulated quantity is calculated based on pressure compensation coefficient and default valve position regulated quantity；Based on generator
The steam flow amount that the load for needing to adjust adjusts steam turbine includes: to need the load adjusted to determine the second valve position based on generator
Regulated quantity adjusts the aperture and/or steamer of the admission valve of steam turbine based on the first valve position regulated quantity and the second valve position regulated quantity
The aperture of the steam extraction valve of machine, to adjust the steam flow amount of steam turbine.
After the operation based on primary frequency modulation Load Regulation boiler, this method further include: detection electricity within a preset period of time
Net frequency re-executes the one of power grid in the case where the deviation of mains frequency and predeterminated frequency is greater than the first predetermined deviation value
Secondary frequency modulation movement；Mains frequency is detected in preset time point, it is default inclined to be greater than second in the deviation of mains frequency and predeterminated frequency
In the case where difference, the primary frequency modulation movement of power grid is re-executed.Equipment herein can be server, PC, PAD, mobile phone
Deng.
Present invention also provides a kind of computer program products, when executing on data processing equipment, are adapted for carrying out just
The program of beginningization there are as below methods step: the actual generation power of setting generated output, generator based on electric grid secondary frequency modulation,
And steam turbine setting speed and actual speed rotational speed difference, determine that generator needs the load that adjusts, wherein steam turbine
For power electric generators；The steam flow amount of steam turbine is adjusted based on the load that generator needs to adjust；Adjusting steam turbine
After steam flow amount, obtains mains frequency and primary frequency modulation load is calculated based on mains frequency；Based on primary frequency modulation Load Regulation pot
The operation of furnace, to complete the primary frequency modulation movement of power grid.
The actual generation power and digital electro-hydraulic control of setting generated output, generator based on electric grid secondary frequency modulation
The setting speed of steam turbine in system and the rotational speed difference of actual speed, determining that generator needs the load adjusted includes: to set
Fixed multiple generated output range sections；The difference and steam turbine of actual generation power based on setting generated output and generator
Setting speed and actual speed rotational speed difference, for each generated output range section, corresponding function of load is set；It determines practical
Generated output range section belonging to generated output is target power range section；Based on the corresponding function of load of target power range section
Calculate the load that generator needs to adjust.
The difference of actual generation power and the setting speed of steam turbine and reality based on setting generated output and generator
The rotational speed difference of border revolving speed, for each generated output range section be arranged corresponding function of load include: based on setting generated output with
The difference of the actual generation power of generator determines the first Load Regulation amount；Setting speed and actual speed based on steam turbine
Rotational speed difference determines the second Load Regulation amount；It is minimized in the first Load Regulation amount and the second Load Regulation amount, and is based on taking
The result of minimum value is that corresponding function of load is arranged in each generated output range section.
The rotational speed difference of setting speed and actual speed based on steam turbine determines that the second Load Regulation amount includes: that setting is multiple
Rotational speed difference range section；Corresponding default load regulated quantity is set separately for every speed difference range section；The setting of steam turbine is turned
Rotational speed difference range section belonging to rotational speed difference of the speed with actual speed is determined as rotating speed of target difference range section；In rotating speed of target difference range
When section is preset rotation speed difference range section, it is poor that the corresponding default load regulated quantity of rotating speed of target difference range section is determined as rotating speed of target
The corresponding second Load Regulation amount of range section；It is greater than in preset rotation speed difference range section in the rotational speed difference in rotating speed of target difference range section
Rotational speed difference when, on the basis of rotating speed of target difference range section corresponding default load regulated quantity according to predeterminated frequency reduce load
Regulated quantity obtains the corresponding second Load Regulation amount of rotating speed of target difference range section；Rotational speed difference in rotating speed of target difference range section
When less than rotational speed difference in the poor range section of preset rotation speed, on the basis of the corresponding default load regulated quantity of rotating speed of target difference range section
On according to predeterminated frequency increase Load Regulation amount, obtain the corresponding second Load Regulation amount of rotating speed of target difference range section.
This method further include: in the case where the pressure of steam turbine deviates preset pressure value, obtained based on power grid frequency difference signal
It takes and adjusts the default valve position regulated quantity that mains frequency needs, wherein power grid frequency difference signal is the setpoint frequency and power grid of power grid
The difference of actual frequency；The first valve position regulated quantity is calculated based on pressure compensation coefficient and default valve position regulated quantity；Based on generator
The steam flow amount that the load for needing to adjust adjusts steam turbine includes: to need the load adjusted to determine the second valve position based on generator
Regulated quantity adjusts the aperture and/or steamer of the admission valve of steam turbine based on the first valve position regulated quantity and the second valve position regulated quantity
The aperture of the steam extraction valve of machine, to adjust the steam flow amount of steam turbine.
After the operation based on primary frequency modulation Load Regulation boiler, this method further include: detection electricity within a preset period of time
Net frequency re-executes the one of power grid in the case where the deviation of mains frequency and predeterminated frequency is greater than the first predetermined deviation value
Secondary frequency modulation movement；Mains frequency is detected in preset time point, it is default inclined to be greater than second in the deviation of mains frequency and predeterminated frequency
In the case where difference, the primary frequency modulation movement of power grid is re-executed.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable Jie
The example of matter.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
Claims (10)
1. a kind of power grid frequency modulation control method characterized by comprising
Setting generated output, the actual generation power of generator and the setting speed of steam turbine based on electric grid secondary frequency modulation
With the rotational speed difference of actual speed, the load that the generator needs to adjust is determined, wherein the steam turbine is the generator
Power is provided；
The steam flow amount of the steam turbine is adjusted based on the load that generator needs are adjusted；
After the steam flow amount for adjusting the steam turbine, obtains mains frequency and primary frequency modulation is calculated based on the mains frequency and bear
Lotus；
Based on the operation of the primary frequency modulation Load Regulation boiler, to complete the primary frequency modulation movement of power grid.
2. the method according to claim 1, wherein setting generated output, power generation based on electric grid secondary frequency modulation
The rotational speed difference of the actual generation power of machine and the setting speed of the steam turbine in digital electrohydraulic control system and actual speed,
Determine that the generator needs the load adjusted to include:
Set multiple generated output range sections；
The difference of actual generation power based on the setting generated output and the generator and the setting of the steam turbine
Corresponding function of load is arranged for each generated output range section in the rotational speed difference of revolving speed and actual speed；
Determine that generated output range section belonging to the actual generation power is target power range section；
The load that the generator needs to adjust is calculated based on the corresponding function of load of the target power range section.
3. according to the method described in claim 2, it is characterized in that, the reality based on the setting generated output and the generator
The rotational speed difference of the setting speed and actual speed of the difference of border generated output and the steam turbine is each generated output model
Enclosing the corresponding function of load of section setting includes:
The first Load Regulation amount is determined based on the difference of the actual generation power of the setting generated output and the generator；
The rotational speed difference of setting speed and actual speed based on the steam turbine determines the second Load Regulation amount；
It is minimized in the first Load Regulation amount and the second Load Regulation amount, and is based on the result being minimized
Corresponding function of load is arranged in each generated output range section.
4. according to the method described in claim 3, it is characterized in that, setting speed and actual speed based on the steam turbine
Rotational speed difference determines that the second Load Regulation amount includes:
Set multiple rotational speed difference range sections；
Corresponding default load regulated quantity is set separately for every speed difference range section；
Rotational speed difference range section belonging to the rotational speed difference of the setting speed of the steam turbine and actual speed is determined as rotating speed of target
Poor range section；
It is when the rotating speed of target difference range section is preset rotation speed difference range section, the rotating speed of target difference range section is corresponding pre-
If Load Regulation amount is determined as the corresponding second Load Regulation amount of the rotating speed of target difference range section；
When the rotational speed difference in the rotating speed of target difference range section is greater than the rotational speed difference in the preset rotation speed difference range section, in institute
It states and reduces Load Regulation amount according to predeterminated frequency on the basis of the corresponding default load regulated quantity of rotating speed of target difference range section, obtain
The corresponding second Load Regulation amount of the rotating speed of target difference range section；
When the rotational speed difference in the rotating speed of target difference range section is less than the rotational speed difference in the preset rotation speed difference range section, in institute
It states and increases Load Regulation amount according to predeterminated frequency on the basis of the corresponding default load regulated quantity of rotating speed of target difference range section, obtain
The corresponding second Load Regulation amount of the rotating speed of target difference range section.
5. the method according to claim 1, wherein the method also includes:
In the case where the pressure of the steam turbine deviates preset pressure value, is obtained based on power grid frequency difference signal and adjust mains frequency
The default valve position regulated quantity needed, wherein the power grid frequency difference signal is the setpoint frequency of power grid and the actual frequency of power grid
Difference；
The first valve position regulated quantity is calculated based on pressure compensation coefficient and the default valve position regulated quantity；
Needing the load adjusted to adjust the steam flow amount of the steam turbine based on the generator includes: to be needed based on the generator
The load to be adjusted determines the second valve position regulated quantity, is based on first valve position regulated quantity and second valve position regulated quantity tune
The aperture of the aperture of the admission valve of the steam turbine and/or the steam extraction valve of the steam turbine is saved, to adjust the steam turbine
Steam flow amount.
6. the method according to claim 1, wherein in the operation based on the primary frequency modulation Load Regulation boiler
Afterwards, the method also includes:
Mains frequency is detected within a preset period of time, is greater than the first predetermined deviation in the deviation of the mains frequency and predeterminated frequency
In the case where value, the primary frequency modulation movement of power grid is re-executed；
The mains frequency is detected in preset time point, it is pre- to be greater than second in the deviation of the mains frequency and the predeterminated frequency
If in the case where deviation, re-executing the primary frequency modulation movement of power grid.
7. a kind of frequency modulation control device characterized by comprising
Determination unit, actual generation power and steamer for setting generated output, generator based on electric grid secondary frequency modulation
The setting speed of machine and the rotational speed difference of actual speed determine the load that the generator needs to adjust, wherein the steam turbine
For the power electric generators；
First adjusts unit, and the load for being adjusted based on generator needs adjusts the steam flow amount of the steam turbine；
First acquisition unit, for after the steam flow amount for adjusting the steam turbine, obtaining mains frequency and being based on the power grid
Frequency calculates primary frequency modulation load；
Second adjusts unit, for the operation based on the primary frequency modulation Load Regulation boiler, to complete the primary frequency modulation of power grid
Movement.
8. device according to claim 7, which is characterized in that the determination unit includes:
Setting module, for setting multiple generated output range sections；
Setup module, for the difference based on the setting generated output and the actual generation power of the generator, Yi Jisuo
The setting speed of steam turbine and the rotational speed difference of actual speed are stated, corresponding function of load is set for each generated output range section；
Determining module, for determining that generated output range section belonging to the actual generation power is target power range section；
Computing module, for calculating what the generator needed to adjust based on the corresponding function of load of the target power range section
Load.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein described program right of execution
Benefit require any one of 1 to 6 described in power grid frequency modulation control method.
10. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require any one of 1 to 6 described in power grid frequency modulation control method.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474365A (en) * | 2019-08-05 | 2019-11-19 | 国网湖南省电力有限公司 | A kind of fired power generating unit oscillation of power on-line early warning analysis method and system |
| CN110556839A (en) * | 2019-08-12 | 2019-12-10 | 广东粤电云河发电有限公司 | primary frequency modulation control strategy of energy storage AGC (automatic gain control) auxiliary frequency modulation system of thermal power plant |
| CN110761851A (en) * | 2019-10-29 | 2020-02-07 | 北京泓慧国际能源技术发展有限公司 | Simulation method and device for turbine power and electronic equipment |
| CN110778368A (en) * | 2019-11-11 | 2020-02-11 | 中国神华能源股份有限公司国华电力分公司 | Frequency modulation method and device for steam turbine generator unit |
| CN112564129A (en) * | 2020-11-20 | 2021-03-26 | 国家电网有限公司 | Generator set control method and device based on primary frequency modulation |
| CN113036816A (en) * | 2021-03-15 | 2021-06-25 | 华能南通燃机发电有限公司 | Steam turbine control method and system suitable for three-phase reclosing |
| CN113595109A (en) * | 2021-09-06 | 2021-11-02 | 华北电力科学研究院有限责任公司 | Flywheel energy storage capacity configuration method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629496A (en) * | 2009-07-30 | 2010-01-20 | 杭州和利时自动化有限公司 | Digital electrohydraulic control system of steam turbine with isolated network operation |
| CN102565705A (en) * | 2012-01-16 | 2012-07-11 | 河北省电力研究院 | Primary frequency-modulation quantitative evaluation method for eliminating secondary frequency modulation influence based on modulating control system |
| US20120193915A1 (en) * | 2011-01-31 | 2012-08-02 | Sinovel Wind Group Co., Ltd. | Reactive voltage control system and method for wind power field of double-fed wind power-generating unit |
| CN103904650A (en) * | 2014-04-14 | 2014-07-02 | 重庆浦仁达科技有限公司 | Digital-analog combined electrohydraulic control system |
| CN107989665A (en) * | 2017-11-27 | 2018-05-04 | 上海华电电力发展有限公司 | The three side primary frequency modulation control methods and system of heat supply generating set |
| CN108039712A (en) * | 2017-12-05 | 2018-05-15 | 中国神华能源股份有限公司 | Steam turbine primary frequency modulation method and device and storage medium and processor |
-
2019
- 2019-04-30 CN CN201910363796.XA patent/CN110048436B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629496A (en) * | 2009-07-30 | 2010-01-20 | 杭州和利时自动化有限公司 | Digital electrohydraulic control system of steam turbine with isolated network operation |
| US20120193915A1 (en) * | 2011-01-31 | 2012-08-02 | Sinovel Wind Group Co., Ltd. | Reactive voltage control system and method for wind power field of double-fed wind power-generating unit |
| CN102565705A (en) * | 2012-01-16 | 2012-07-11 | 河北省电力研究院 | Primary frequency-modulation quantitative evaluation method for eliminating secondary frequency modulation influence based on modulating control system |
| CN103904650A (en) * | 2014-04-14 | 2014-07-02 | 重庆浦仁达科技有限公司 | Digital-analog combined electrohydraulic control system |
| CN107989665A (en) * | 2017-11-27 | 2018-05-04 | 上海华电电力发展有限公司 | The three side primary frequency modulation control methods and system of heat supply generating set |
| CN108039712A (en) * | 2017-12-05 | 2018-05-15 | 中国神华能源股份有限公司 | Steam turbine primary frequency modulation method and device and storage medium and processor |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474365A (en) * | 2019-08-05 | 2019-11-19 | 国网湖南省电力有限公司 | A kind of fired power generating unit oscillation of power on-line early warning analysis method and system |
| CN110474365B (en) * | 2019-08-05 | 2020-10-23 | 国网湖南省电力有限公司 | Thermal power generating unit power oscillation online early warning analysis method and system |
| CN110556839A (en) * | 2019-08-12 | 2019-12-10 | 广东粤电云河发电有限公司 | primary frequency modulation control strategy of energy storage AGC (automatic gain control) auxiliary frequency modulation system of thermal power plant |
| CN110761851A (en) * | 2019-10-29 | 2020-02-07 | 北京泓慧国际能源技术发展有限公司 | Simulation method and device for turbine power and electronic equipment |
| CN110778368A (en) * | 2019-11-11 | 2020-02-11 | 中国神华能源股份有限公司国华电力分公司 | Frequency modulation method and device for steam turbine generator unit |
| CN110778368B (en) * | 2019-11-11 | 2022-04-12 | 中国神华能源股份有限公司国华电力分公司 | Frequency modulation method and device for steam turbine generator unit |
| CN112564129A (en) * | 2020-11-20 | 2021-03-26 | 国家电网有限公司 | Generator set control method and device based on primary frequency modulation |
| CN113036816A (en) * | 2021-03-15 | 2021-06-25 | 华能南通燃机发电有限公司 | Steam turbine control method and system suitable for three-phase reclosing |
| CN113595109A (en) * | 2021-09-06 | 2021-11-02 | 华北电力科学研究院有限责任公司 | Flywheel energy storage capacity configuration method and device |
| CN113595109B (en) * | 2021-09-06 | 2024-01-19 | 华北电力科学研究院有限责任公司 | Flywheel energy storage capacity configuration method and device |
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