CN108599190A - A kind of methods, devices and systems carrying out frequency modulation to power grid - Google Patents
A kind of methods, devices and systems carrying out frequency modulation to power grid Download PDFInfo
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- CN108599190A CN108599190A CN201711421728.1A CN201711421728A CN108599190A CN 108599190 A CN108599190 A CN 108599190A CN 201711421728 A CN201711421728 A CN 201711421728A CN 108599190 A CN108599190 A CN 108599190A
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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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- Control Of Eletrric Generators (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
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Abstract
The invention discloses a kind of method and system carrying out frequency modulation to power grid, method includes：Acquisition demand electric load data；Upper limit value and lower limiting value are arranged to the adj sp of generation load based on demand electric load data；According to the upper limit value and lower limiting value of the adj sp of generation load, the deviation of the real-time generated energy of demand electric load data and power plant of the current electric grid to power plant is calculated；Whether judgment bias is equal to predetermined deviation value；If deviation is not equal to predetermined deviation value, judge that power plant needs to adjust generation load；According to the comparison result of deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load, and the adjustable strategies of selection are sent to power governor.
Description
Technical field
The present invention relates to power grid frequency modulation technical field more particularly to it is a kind of to power grid carry out frequency modulation method, apparatus and be
System.
Background technology
For purpose of the mains frequency stabilization within rated range is ensured, the power that power grid is input to power plant is needed
It is adjusted, generally includes a power adjustment and a power adjustment.
Wherein, a power adjustment refer to when occur amplitude of variation is small, the period is short, the load fluctuation of contingency when, profit
With generating set prime-mover governor, the adjustment that the power of generating set output is carried out so that the machinery of prime mover output
Power can keep up with the variation of load.
Secondary power adjustment refer to when occur amplitude of variation is larger, period longer load fluctuation when, utilize generating set
The frequency modulator of prime mover, the adjustment that the power of generating set output is carried out so that the mechanical output of prime mover output can be with
The variation of upper load.
In the prior art, a power adjustment is responsible for by the DEH systems of generating set；Secondary power adjusts then by AGC systems
System is responsible for.Specifically, a power adjustment is completed by the primary frequency function of unit, it is turned using reflection mains frequency variation
Speed difference value generates control signal, directly adjusts DEH (the Digital Electric Hydraulic control of unit
System), there is faster governing speed.
In power grid actual motion, it is necessary to coordinate power adjustment mode.If there is no a power adjustment work(in power grid
Can, or input is not enough, will be unfavorable for mains frequency stabilization, and can increase the adjusting burden of AGC.
The quality that AGC functions put into operation once is set with AGC control logics, communication system, machine unit automatic control system, unit
The factors such as the standby, method of operation, coal quality have close relationship.
Power grid is mainly to the AGC load schedulings of implementation in power plant single unit at present, and control centre's given load curve and
AGC given loads curve there are larger difference, put into after AGC again cannot dispatch allow in the range of Load adjustment (general electricity
Factory is larger by AGC adjustings the dead time, and AGC is not adjusted in dead zone in this way, causes the dispatch command of control centre that cannot produce
The adjusting action of raw unit load), power plant has that load adjustment error is larger, is unfavorable for realizing power plant economy profit
Benefit maximizes.Furthermore AGC given loads elevation rate is fast, power plants generating electricity unit is contributed, and adjustment is slow, impact load capacity is big,
Power plants generating electricity unit is set to reach higher regulating effect, it is necessary to when having a set of degree of regulation and the fast ancillary equipment the first of rate
Between the adjusting contributed.
Invention content
(1) goal of the invention
The object of the present invention is to provide a kind of method and systems carrying out frequency modulation to power grid.
(2) technical solution
To solve the above problems, according to an aspect of the present invention, providing a kind of method carrying out frequency modulation to power grid, packet
It includes：Acquisition demand electric load data；Based on the demand electric load data to the adj sp of generation load setting upper limit value and
Lower limiting value；According to the upper limit value and lower limiting value of the adj sp of generation load, demand electric load of the current electric grid to power plant is calculated
The deviation of the real-time generated energy of data and power plant；Judge whether the deviation is equal to predetermined deviation value；If the deviation is not equal to
The predetermined deviation value then judges that power plant needs to adjust generation load；According to the comparison result of the deviation and predetermined deviation value,
The adjustable strategies of selection adjustment generation load, and the adjustable strategies of selection are sent to power governor.
According to another aspect of the present invention, a kind of control device carrying out frequency modulation to power grid is provided, system includes obtaining
Module, for obtaining demand electric load data；Parameter setting module, based on the demand electric load data to generation load can
Upper limit value and lower limiting value is arranged in speed change rate；Deviation computing module, according to the upper limit value and lower limiting value of the adj sp of generation load,
Calculate the deviation of the real-time generated energy of demand electric load data and power plant of the current electric grid to power plant；Judgment module, described in judgement
Whether deviation is equal to predetermined deviation value；If the deviation is not equal to the predetermined deviation value, judge that power plant needs to adjust power generation
Load, and sent to adjustable strategies selecting module and start selection instruction；Adjustable strategies selecting module according to the deviation and is preset
The comparison result of deviation, the adjustable strategies of selection adjustment generation load, and the adjustable strategies of selection are sent to power regulation
Device.The adjustable strategies include：External auxiliary frequency modulation equipment adjustable strategies and generating set adjustable strategies；
If the deviation is less than predetermined deviation range, external auxiliary frequency modulation equipment adjustable strategies, the outer secondary are selected
The frequency modulation equipment adjustable strategies are helped to include：Operate accumulator cell charging and discharging or electrode boiler, electric compression refigerating machine group or electrolytic hydrogen production slot
Power consumption load variations adjust demand to meet load deviation, and keep steam turbine and boiler load constant；
If the deviation is more than predetermined deviation range, preferential to select external auxiliary frequency modulation equipment adjustable strategies, if institute
It states external auxiliary frequency modulation equipment adjustable strategies and can not meet load deviation adjustment demand, then supplement generating set adjustable strategies, come
Meet the load deviation adjustment demand.
According to another aspect of the invention, a kind of computer readable storage medium is provided, is stored on the storage medium
The step of having computer program, the above-mentioned method for carrying out frequency modulation to power grid is realized when described program is executed by processor.
According to another aspect of the invention, a kind of system that frequency modulation is carried out to power grid is provided, including：Generating set and outer
Portion assists frequency modulation equipment；Further include memory, processor and is stored on the memory and can transport on the processor
The step of capable computer program, the processor realizes the above-mentioned method that frequency modulation is carried out to power grid when executing described program.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has following beneficial technique effect：
1) enable AGC system to directly control external auxiliary frequency modulation equipment (accumulator, electric boiler, electrolytic cell etc.), make
The peak-frequency regulation for obtaining power grid has its apparent advantage：Peak regulation range increases and significantly varying duty speed is fast, and the stabilization of unit
Property is also fine.
2) limitation for overcoming traditional AGC scheduling load, strives under the permissible load rule of scheduling, most according to unit
Good economic load point long-time temperature operation, the fluctuation of short time frequency modulation or the variation of long-time peak regulation of load, by unit outer secondary
Peak-frequency regulation equipment is helped to respond.
3) after logic improvement optimization and novel device use, the regulation quality of primary frequency modulation and AGC significantly improve, can
Obtain the reward or compensation of the ancillary services such as the peak-frequency regulation of power grid.
Description of the drawings
Fig. 1 is the first embodiment flow chart of steps of the method provided by the invention that frequency modulation is carried out to power grid；
Fig. 2 is common frequency differential functions；
Wherein, Fig. 2 (a) for no dead zone linear frequency modulation frequency differential functions；
Fig. 2 (b) is the frequency differential functions with dead zone；
Fig. 2 (c) is the frequency differential functions with step response；
Fig. 3 is the second embodiment flow chart of steps of the method provided by the invention that frequency modulation is carried out to power grid；
Fig. 4 is the first embodiment module diagram of the system provided by the invention that frequency modulation is carried out to power grid；
Fig. 5 is the second embodiment module diagram of the system provided by the invention that frequency modulation is carried out to power grid；
Fig. 6 is the hardware architecture diagram of computer equipment provided by the invention.
Specific implementation mode
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Before being illustrated to technical scheme of the present invention, first to involved in the present invention to title explain：
Noun one：DEH, full name in English Digital Electric Hydraulic control system.Chinese
For digital electrohydraulic control system, for by electric drive servomotor come the aperture of control valve.DEH is specifically used to adjust steam turbine
Rotating speed.
Noun two：DCS, full name in English Distributed control system.Chinese is Distributed Control System,
Also known as dcs.The system is set by a small number of host computers (server) and a large amount of slave computers (sub-controller) realization pair
Standby group's jointly controls, and each sub-controller only controls a part of equipment.The operation of all sub-controllers is supervised by host computer
Control, operator can pass through the operating status of all controllers of server monitoring.
Noun three：AGC, full name in English Automatic Generation Control.Chinese is automatic generation control
System processed.The system is used to send an instruction to related power plant or generating set by the control targe of grid dispatching center, leads to
The automatic control and adjustment device of power plant or generating set is crossed, realization automatically controls generator power.
Fig. 1 is the first embodiment flow chart of steps of the method provided by the invention that frequency modulation is carried out to power grid.
As shown in Figure 1, the method that frequency modulation is carried out to power grid that present embodiment provides, in the present embodiment, following methods
It can be deployed in DCS system, the present embodiment method includes the following steps S1-S5：
S1 obtains demand electric load data.
In this step, demand electric load data are the demand charge data of current electric grid power plant.
Acquisition demand electric load data include：Obtain the demand electric load data that AGC system is sent；Or obtain operating personnel
Based on man-machine interactive system demand electric load data are inputted to DCS system.
Upper limit value and lower limiting value is arranged to the adj sp of generation load based on demand electric load data in S2.
S3 calculates demand electricity of the current electric grid to power plant according to the upper limit value and lower limiting value of the adj sp of generation load
The deviation of load data and the real-time generated energy of power plant.
Fig. 2 is common frequency differential functions.Wherein, Fig. 2 (a) for no dead zone linear frequency modulation frequency differential functions.Fig. 2 (b) is tool
There are the frequency differential functions in dead zone.Fig. 2 (c) is the frequency differential functions with step response.
The electricity tune of most domestic producer production mostly uses frequency differential functions shown in Fig. 2 (b) and mains frequency is adjusted.
Domestic minority producer is adjusted mains frequency using frequency differential functions shown in Fig. 2 (c).
Unit primary frequency modulation there are frequency adjust dead zone, be the system of refering in particular near rated speed to the insensitive of rotating speed
Area.In order in the case where grid cyclic wave variation is smaller, improve the stability of unit operation, electric operation dispatching system is generally provided with frequency
Rate dead zone.
According to the concrete condition in China, using the frequency differential functions of Fig. 2 (b) as the method for adjusting mains frequency, and will frequency
It is more suitable that rate dead zone is set as ± 2r/min (± 0.034Hz).Main consideration is as follows：
1) mains frequency deviates 50 ± 0.034Hz and starts to adjust, and 50 ± 0.1Hz away from area power grid requirement also has larger abundant
Amount；
2) fired power generating unit load adjustment precision is low, and small range Load adjustment accuracy is poor, allows the deviation for having certain；
3) there are certain error and uncertainty, setting dead zone can be avoided for tachometric survey, frequency measurement data；
4) the unnecessary load fluctuation of unit is reduced.
Whether S4, judgment bias are equal to predetermined deviation value.If deviation is not equal to predetermined deviation value, judge that power plant needs to adjust
It haircuts electric load.
S5 according to the comparison result of deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load, and will be selected
Adjustable strategies be sent to power governor.
In this step, according to the comparison result of deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load
Including：If deviation is less than predetermined deviation range, external auxiliary frequency modulation equipment adjustable strategies, the external auxiliary frequency modulation is selected to set
Include for adjustable strategies：The power consumption for operating accumulator cell charging and discharging or electrode boiler, electric compression refigerating machine group or electrolytic hydrogen production slot is negative
Lotus changes to respond generation load deviation, and keeps steam turbine and boiler load constant.If deviation is more than predetermined deviation range,
Then preferentially selection external auxiliary frequency modulation equipment adjustable strategies, if the external auxiliary frequency modulation equipment adjustable strategies can not meet it is negative
Lotus deviation adjusting demand, then supplement generating set adjustable strategies, and demand is adjusted to meet the load deviation.
One or more combinations below generator unit adjustable strategies in strategy：Adjust steam turbine throttle flow, boiler combustion
The supply amount of material, adjusts confluent, adjustment heat supply steam extraction amount, adjustment turbine by pass flow at adjustment air quantity.Wherein, boiler is adjusted
The supply amount of fuel includes the driving force for the driving device for adjusting coal pulverizer；It includes adjustment primary air fan and/or two to adjust air quantity
The rotating speed control of secondary wind turbine can baffle opening；It includes the variation of adjustment feed pump frequency conversion rotating speed and feed pump recycling to adjust confluent
Flow.
External auxiliary frequency modulation equipment includes：Accumulator, electric boiler, electrolytic hydrogen production equipment, electric compressor.Wherein, accumulator
It is electrically connected respectively with generator unit and power grid, the electric energy for storing the generation of generator unit, is additionally operable to convey electricity to power grid
Energy.Electric boiler is electrically connected with generator unit, the electric energy for consuming the generation of generator unit.Electrolytic hydrogen production equipment and generator
Unit is electrically connected, the electric energy for consuming the generation of generator unit.Electric compressor is electrically connected with generator unit, for consuming hair
The electric energy that motor unit generates.
External auxiliary frequency modulation equipment adjustable strategies include one or more combinations in following strategy：Adjust accumulator to
Power grid exports or the electricity of input；Adjust the power consumption load of electric boiler；Adjust the power consumption load of electric compressor；Adjust electrolytic hydrogen production
The power consumption load of slot.
Fig. 3 is the second embodiment flow chart of steps of the method provided by the invention that frequency modulation is carried out to power grid.
As shown in figure 3, the method for carrying out frequency modulation to power grid that present embodiment provides, includes the following steps S101-S105：
S101 obtains demand electric load data.
In this step, demand electric load data are the demand charge data of current electric grid power plant.
Acquisition demand electric load data include：Obtain the demand electric load data that AGC system is sent；Or obtain operating personnel
Based on man-machine interactive system demand electric load data are inputted to DCS system.
Upper limit value and lower limiting value is arranged to the adj sp of generation load based on demand electric load data in S102.
S103, when receiving primary frequency modulation instruction, according to the adjustment of rotational speed generation load of generator unit.
S104 turns according to the upper limit value of the adjusting rate of change of generation load and lower limiting value and according to generator unit
Generation load after velocity modulation is whole calculates the inclined of the real-time generated energy of demand electric load data and power plant of the current electric grid to power plant
Difference.
Whether S105, judgment bias are equal to predetermined deviation value, if deviation is not equal to predetermined deviation value, judge power plant's needs
Adjust generation load.
S106 according to the comparison result of deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load, and will be selected
The adjustable strategies selected are sent to power governor.
In this step, according to the comparison result of deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load
Including：If deviation is less than predetermined deviation range, external auxiliary frequency modulation equipment adjustable strategies, the external auxiliary frequency modulation is selected to set
Include for adjustable strategies：The power consumption for operating accumulator cell charging and discharging or electrode boiler, electric compression refigerating machine group or electrolytic hydrogen production slot is negative
Lotus changes to respond generation load deviation, and keeps steam turbine and boiler load constant.If deviation is more than predetermined deviation range,
Then preferentially selection external auxiliary frequency modulation equipment adjustable strategies, if the external auxiliary frequency modulation equipment adjustable strategies can not meet it is negative
Lotus deviation adjusting demand, then supplement generating set adjustable strategies, and demand is adjusted to meet the load deviation.
One or more combinations below generator unit adjustable strategies in strategy：Adjust supply amount, the adjustment of fuel
Air quantity adjusts confluent.Wherein, the supply amount for adjusting fuel includes the driving force for the driving device for adjusting coal pulverizer；Adjust wind
Amount includes adjusting the rotating speed of primary air fan and/or overfire air fan control can baffle opening；It includes adjustment feed pump to adjust confluent
Frequency conversion rotating speed changes and feed pump recirculating mass.
External auxiliary frequency modulation equipment includes：Accumulator, electric boiler, electrolytic hydrogen production equipment, electric compressor.Wherein, accumulator
It is electrically connected respectively with generator unit and power grid, the electric energy for storing the generation of generator unit, is additionally operable to convey electricity to power grid
Energy.Electric boiler is electrically connected with generator unit, the electric energy for consuming the generation of generator unit.Electrolytic hydrogen production equipment and generator
Unit is electrically connected, the electric energy for consuming the generation of generator unit.Electric compressor is electrically connected with generator unit, for consuming hair
The electric energy that motor unit generates.
External auxiliary frequency modulation equipment adjustable strategies include one or more combinations in following strategy：Adjust accumulator to
Power grid exports or the electricity of input；Adjust the power consumption load of electric boiler；Adjust the power consumption load of electric compressor；Adjust electrolytic hydrogen production
The power consumption load of slot.
Fig. 4 is the first embodiment module diagram of the system provided by the invention that frequency modulation is carried out to power grid.
As shown in figure 4, in the present embodiment, the system for carrying out frequency modulation to power grid includes：Acquisition module, parameter setting mould
Block, deviation computing module, judgment module and adjustable strategies selecting module.
Wherein, acquisition module, for obtaining demand electric load data.
Upper limit value and lower limit is arranged to the adj sp of generation load based on demand electric load data in parameter setting module
Value.
Deviation computing module calculates current electric grid to electricity according to the upper limit value and lower limiting value of the adj sp of generation load
The deviation of the demand electric load data of factory and the real-time generated energy of power plant.
Whether judgment module, judgment bias are equal to predetermined deviation value.If deviation is not equal to predetermined deviation value, power plant is judged
It needs to adjust generation load, and is sent to adjustable strategies selecting module and start selection instruction.
Adjustable strategies selecting module, according to the comparison result of deviation and predetermined deviation value, the tune of selection adjustment generation load
Whole strategy, and the adjustable strategies of selection are sent to power governor.
In this step, according to the comparison result of deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load
Including：If deviation is less than predetermined deviation range, generator unit adjustable strategies are selected.If deviation is more than predetermined deviation range,
Then select external auxiliary frequency modulation equipment adjustable strategies.
One or more combinations below generator unit adjustable strategies in strategy：Adjust steam turbine throttle flow, boiler combustion
The supply amount of material, adjusts confluent, adjustment heat supply steam extraction amount, adjustment turbine by pass flow at adjustment air quantity.Wherein, boiler is adjusted
The supply amount of fuel includes the driving force for the driving device for adjusting coal pulverizer；It includes adjustment primary air fan and/or two to adjust air quantity
The rotating speed control of secondary wind turbine can baffle opening；It includes the variation of adjustment feed pump frequency conversion rotating speed and feed pump recycling to adjust confluent
Flow.
External auxiliary frequency modulation equipment includes：Accumulator, electric boiler, electrolytic hydrogen production equipment, electric compressor.Wherein, accumulator
It is electrically connected respectively with generator unit and power grid, the electric energy for storing the generation of generator unit, is additionally operable to convey electricity to power grid
Energy.Electric boiler is electrically connected with generator unit, the electric energy for consuming the generation of generator unit.Electrolytic hydrogen production equipment and generator
Unit is electrically connected, the electric energy for consuming the generation of generator unit.Electric compressor is electrically connected with generator unit, for consuming hair
The electric energy that motor unit generates.
External auxiliary frequency modulation equipment adjustable strategies include one or more combinations in following strategy：Adjust accumulator to
Power grid exports or the electricity of input；Adjust the power consumption load of electric boiler；Adjust the power consumption load of electric compressor；Adjust electrolytic hydrogen production
The power consumption load of slot.
Fig. 5 is the second embodiment module diagram of the system provided by the invention that frequency modulation is carried out to power grid.
As shown in figure 5, in embodiments of the present invention, to the system that power grid carries out frequency modulation, including：Acquisition module, parameter
Setup module, generation load adjustment module, deviation computing module, judgment module and adjustable strategies selecting module.
Wherein, acquisition module, for obtaining demand electric load data.
Upper limit value and lower limit is arranged to the adj sp of generation load based on demand electric load data in parameter setting module
Value, and by after setting upper limit value and lower limiting value be sent to deviation computing module.
Generation load adjust module, for receive primary frequency modulation instruction when, according to the adjustment of rotational speed of generator unit
Generation load, and the generation load after adjustment is sent to deviation computing module.
Deviation computing module, according to the upper limit value of the adjusting rate of change of generation load and lower limiting value and according to generator
Generation load after the adjustment of rotational speed of unit calculates the real-time power generation of demand electric load data and power plant of the current electric grid to power plant
The deviation of amount.
Whether judgment module, judgment bias are equal to predetermined deviation value.If deviation is not equal to predetermined deviation value, power plant is judged
It needs to adjust generation load, and is sent to adjustable strategies selecting module and start selection instruction.
Adjustable strategies selecting module, according to the comparison result of deviation and predetermined deviation value, the tune of selection adjustment generation load
Whole strategy, and the adjustable strategies of selection are sent to power governor.
In this step, according to the comparison result of deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load
Including：If deviation is less than predetermined deviation range, external auxiliary frequency modulation equipment adjustable strategies, the external auxiliary frequency modulation is selected to set
Include for adjustable strategies：The power consumption for operating accumulator cell charging and discharging or electrode boiler, electric compression refigerating machine group or electrolytic hydrogen production slot is negative
Lotus changes to respond generation load deviation, and keeps steam turbine and boiler load constant.If deviation is more than predetermined deviation range,
Then preferentially selection external auxiliary frequency modulation equipment adjustable strategies, if the external auxiliary frequency modulation equipment adjustable strategies can not meet it is negative
Lotus deviation adjusting demand, then supplement generating set adjustable strategies, and demand is adjusted to meet the load deviation.
One or more combinations below generator unit adjustable strategies in strategy：Adjust steam turbine throttle flow, boiler combustion
The supply amount of material, adjusts confluent, adjustment heat supply steam extraction amount, adjustment turbine by pass flow at adjustment air quantity.Wherein, boiler is adjusted
The supply amount of fuel includes the driving force for the driving device for adjusting coal pulverizer；It includes adjustment primary air fan and/or two to adjust air quantity
The rotating speed control of secondary wind turbine can baffle opening；It includes the variation of adjustment feed pump frequency conversion rotating speed and feed pump recycling to adjust confluent
Flow.
External auxiliary frequency modulation equipment includes：Accumulator, electric boiler, electrolytic hydrogen production equipment, electric compressor.Wherein, accumulator
It is electrically connected respectively with generator unit and power grid, the electric energy for storing the generation of generator unit, is additionally operable to convey electricity to power grid
Energy.Electric boiler is electrically connected with generator unit, the electric energy for consuming the generation of generator unit.Electrolytic hydrogen production equipment and generator
Unit is electrically connected, the electric energy for consuming the generation of generator unit.Electric compressor is electrically connected with generator unit, for consuming hair
The electric energy that motor unit generates.
External auxiliary frequency modulation equipment adjustable strategies include one or more combinations in following strategy：Adjust accumulator to
Power grid exports or the electricity of input；Adjust the power consumption load of electric boiler；Adjust the power consumption load of electric compressor；Adjust electrolytic hydrogen production
The power consumption load of slot.
Fig. 6 is the hardware architecture diagram of computer equipment provided by the invention.
As shown in fig. 6, in embodiments of the present invention, a kind of computer equipment, including：Memory, processor and storage
On a memory and the computer program that can run on a processor, processor is realized when executing program above-mentioned adjusts power grid
The step of method of frequency.
It will be understood by those skilled in the art that the structure of computer equipment shown in Fig. 6 is not constituted to of the invention real
The restriction of example is applied, it, either busbar network, can also be hub-and-spoke configuration, can also include more more or fewer than illustrating
Component either combines certain components or different components arrangement.
Processor can be made of integrated circuit (IntegratedCircuit, abbreviation IC), such as can be encapsulated by single
IC formed, can also be formed by connecting the encapsulation IC of more identical functions or different function.For example, processor can
Can also be CPU, digital signal processor only to include central processing unit (CentralProcessingUnit, abbreviation CPU)
(digitalsignalprocessor, abbreviation DSP), graphics processor (Graphic ProcessingUnit, abbreviation GPU) and
The combination of various control chips.In embodiments of the present invention, CPU can be single operation core, can also include multioperation core
The heart.
Memory as a kind of non-transient computer readable storage medium, can be used for storing non-transient software program, it is non-temporarily
State computer class executes program and module, and the corresponding program module of system is (for example, attached in the embodiment of the present application ...
Acquisition module, parameter setting module, deviation computing module, judgment module and adjustable strategies selecting module shown in fig. 5.) processing
Device is stored in the non-transient software program and module of memory by operation, to execute server various function application with
And data processing, that is, realize the processing method of the above-mentioned embodiment of the method that frequency modulation is carried out to power grid.
Memory may include storing program area and storage data field, wherein storing program area can storage program area, extremely
A few required application program of function；In embodiments of the present invention, operating system can be Linux system, Android systems
System, iOS system or Windows operating system etc..Storage data field can be stored to be made according to the system for carrying out frequency modulation to power grid
With the data etc. created.In addition, memory may include high-speed random access memory, can also include non-transient storage
Device, for example, at least a disk memory, flush memory device or other non-transient solid-state memories.In some embodiments
In, it includes the memory remotely located relative to processor that memory is optional.The embodiment of above-mentioned network is including but not limited to mutual
Networking, intranet, LAN, mobile radio communication and combinations thereof.
In present embodiment, generating set and external auxiliary frequency modulation equipment participate in unit fast lifting load and meet power grid tune
Frequency demand, when power grid frequency modulation needs unit quickly to increase load, by increasing steam turbine throttle flow, battery discharging, reducing electricity
The power consumption load of boiler, electric compression refigerating machine group or electrolytic hydrogen production slot is realized；When power grid frequency modulation needs unit quickly to reduce load
When, by reducing steam turbine throttle flow, accumulator charging, the power consumption for increasing electric boiler, electric compression refigerating machine group or electrolytic hydrogen production slot
Load is realized.
The present invention is by increasing external auxiliary frequency modulation equipment, and the rapidity and stability for improving parameter response are started with, together
When also set priority in DCS control logics, control power plant inside and outside auxiliary peak-frequency regulation equipment carries out accurate load tune
It is whole, when adjusting load (rate) is larger, then the coordinated control system of DCS institutes band is used, the major-minor equipment of unit is relied on to be born
Lotus adjusts；When unit Load adjustment capacity is smaller, then consumed using accumulator, electric boiler, electric compressor or electrolytic hydrogen production slot
Electricity carries out load down peak-frequency regulation, reduces the adjusting frequency of major-minor equipment, it is ensured that unit operation is stablized, and unit tune can also be met
The rate and quality of section.
It is specifically intended that in unit commitment primary frequency modulation and AGC functions, it often will appear the load instruction variation of AGC
The inconsistent situation of the load instruction change direction of direction and primary frequency modulation requirement.Output is adjusted due to incorrect to primary frequency modulation
The examination to AGC degree of regulation and speed is strict in the examination of action, so in the load instruction change direction and primary frequency modulation of AGC
It is required that load instruction change direction it is inconsistent when, should limit AGC instruction adjusting, preferentially meet the control need of primary frequency modulation
It wants.Frequency modulation power curve is changed, is more than in the smaller range in dead zone in frequency difference, appropriate increase frequency modulation power increment makes frequency modulation work(
Rate curve initial stage is steeper.When improving frequency difference fluctuation within a narrow range, the movement range of primary frequency modulation avoids adjusting institute's " flooding " by AGC,
To improve primary frequency modulation performance factor.
Meanwhile changing original primary frequency modulation and fully rely on set speed adjustment DEH systems and meeting frequency modulation demand, and in generation, is fast by having
The heat storage pool of the fast charging and discharging of fast response characteristic, or can electrode boiler, the electrolytic hydrogen production slot etc. of fast lifting load external set
It is standby to meet primary frequency modulation demand, to reduce unit steam turbine governing system movement range and number, when keeping unit itself long as possible
Between operate in a steady load, to extend three big hosts service life.It is participated in by external auxiliary frequency modulation equipment primary
Frequency modulation can also avoid adjusting using pitch action, height plus steam extraction amount or the operation difficulty such as switching, condensate throttling is higher,
There is the unit primary frequency modulation measure of negative effect to unit durability or operational safety.
Ensure important meter and signal path verification simultaneously, signal is homologous, and AGC controls power signal and net is made to adjust examination
It is homologous with power signal, while accurate verification, calibration are carried out to signal path from meter is measured, ensure that signal accurately uploads to electricity
Net maximally reduces the error caused by signal accuracy.
Accurate load adjustment control is carried out to external auxiliary peak-frequency regulation equipment by the control logic after operation.
It should be understood that the above-mentioned specific implementation mode of the present invention is used only for exemplary illustration or explains the present invention's
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of method carrying out frequency modulation to power grid, which is characterized in that including：
Acquisition demand electric load data；
Upper limit value and lower limiting value are arranged to the adj sp of generation load based on the demand electric load data；
According to the upper limit value and lower limiting value of the adj sp of generation load, demand electric load data of the current electric grid to power plant are calculated
And the deviation of the real-time generated energy of power plant；
Judge whether the deviation is equal to predetermined deviation value；If the deviation is not equal to the predetermined deviation value, power plant is judged
It needs to adjust generation load；
According to the comparison result of the deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load, and by selection
Adjustable strategies are sent to power governor.
2. according to the method described in claim 1, it is characterized in that, the comparison knot according to the deviation and predetermined deviation value
Fruit, the adjustable strategies that selection adjusts generation load include：
If the deviation is less than predetermined deviation range, external auxiliary frequency modulation equipment adjustable strategies, the external auxiliary tune are selected
Frequency equipment adjustable strategies include：Operate the consumption of accumulator cell charging and discharging or electrode boiler, electric compression refigerating machine group or electrolytic hydrogen production slot
Electric load variation adjusts demand to meet load deviation, and keeps steam turbine and boiler load constant；
If the deviation is more than predetermined deviation range, preferential to select external auxiliary frequency modulation equipment adjustable strategies, if described outer
Portion's auxiliary frequency modulation equipment adjustable strategies can not meet load deviation adjustment demand, then generating set adjustable strategies is supplemented, to meet
The load deviation adjusts demand.
3. according to the method described in claim 2, one or more in strategy below the generator unit adjustable strategies
Combination：It adjusts steam turbine throttle flow, the supply amount of boiler oil, adjustment air quantity, adjust confluent, adjustment heat supply steam extraction amount, adjustment
Turbine by pass flow.
4. according to the method described in claim 2, the external auxiliary frequency modulation equipment adjustable strategies include one in following strategy
Kind or a variety of combinations：Adjust the electricity that accumulator is exported or inputted to power grid；Adjust the power consumption load of electric boiler；Adjust voltage
The power consumption load of contracting machine；Adjust the power consumption load of electrolytic hydrogen production slot.
5. according to the method described in claim 1, it is characterized in that, further including：
When receiving primary frequency modulation instruction, according to the adjustment of rotational speed generation load of generator unit；According to the tune of generation load
The upper limit value and lower limiting value and according to the generation load after the adjustment of rotational speed of generator unit for saving rate of change, calculate current electricity
The deviation of the real-time generated energy of demand electric load data and power plant of the net to power plant；
Whether judgment bias is equal to predetermined deviation value, if deviation is not equal to predetermined deviation value, judges that power plant needs to adjust power generation
Load；
According to the comparison result of deviation and predetermined deviation value, the adjustable strategies of selection adjustment generation load, and by the adjustment of selection
Strategy is sent to power governor.
6. according to claim 1-5 any one of them methods, which is characterized in that the DCS system obtains demand electric load number
According to including：
Obtain the demand electric load data that AGC system is sent；Or
It obtains operating personnel and is based on man-machine interactive system to DCS system input demand electric load data.
7. a kind of control device carrying out frequency modulation to power grid, which is characterized in that including：
Acquisition module, for obtaining demand electric load data；
Upper limit value and lower limit is arranged to the adj sp of generation load based on the demand electric load data in parameter setting module
Value；
Deviation computing module calculates current electric grid to power plant according to the upper limit value and lower limiting value of the adj sp of generation load
The deviation of the real-time generated energy of demand electric load data and power plant；
Judgment module, judges whether the deviation is equal to predetermined deviation value；If the deviation is not equal to the predetermined deviation value,
Judgement power plant needs to adjust generation load, and is sent to adjustable strategies selecting module and start selection instruction；
Adjustable strategies selecting module, according to the comparison result of the deviation and predetermined deviation value, the tune of selection adjustment generation load
Whole strategy, and the adjustable strategies of selection are sent to power governor.
8. a kind of computer readable storage medium, which is characterized in that be stored with computer program, the journey on the storage medium
The step of any one of claim 1 to 6 the method is realized when sequence is executed by processor.
9. a kind of system carrying out frequency modulation to power grid, which is characterized in that including：Generating set and external auxiliary frequency modulation equipment；Also
Including memory, processor and it is stored in the computer program that can be run on the memory and on the processor；Institute
State the step of realizing any one of claim 1 to 6 the method when processor executes described program.
10. the system that power grid according to claim 9 carries out frequency modulation, which is characterized in that the generating set and external auxiliary tune
Frequency equipment participates in unit fast lifting load and meets power grid frequency modulation demand, when power grid frequency modulation needs unit quickly to increase load,
By increase steam turbine throttle flow, battery discharging, reduce electric boiler, electric compression refigerating machine group or electrolytic hydrogen production slot power consumption load
It realizes；When power grid frequency modulation needs unit quickly to reduce load, by reducing steam turbine throttle flow, accumulator charging, increasing grill pan
The power consumption load of stove, electric compression refigerating machine group or electrolytic hydrogen production slot is realized.
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| CN116388234B (en) * | 2023-06-07 | 2023-09-01 | 坎德拉(深圳)新能源科技有限公司 | Control method, system, controller and storage medium of grid-connected power generation system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446807A (en) * | 2008-08-15 | 2009-06-03 | 中国电力科学研究院 | Realization method for heat-engine plant speed regulating system model in power system simulation |
| CN103713613A (en) * | 2014-01-02 | 2014-04-09 | 国家电网公司 | Method for achieving optimizing control of load of thermal power generating unit in PROPR mode |
| CN105896569A (en) * | 2016-04-12 | 2016-08-24 | 国网上海市电力公司 | Supercritical unit CCS side primary frequency modulation method |
| CN107370156A (en) * | 2017-08-24 | 2017-11-21 | 赫普科技发展（北京）有限公司 | A kind of power grid frequency modulation system based on electrode boiler |
| CN107465371A (en) * | 2017-08-31 | 2017-12-12 | 国网山东省电力公司电力科学研究院 | Generating set primary frequency regulation self-tuing on line controller, control system and method |
-
2017
- 2017-12-25 CN CN201711421728.1A patent/CN108599190A/en active Pending
-
2018
- 2018-09-10 JP JP2018168880A patent/JP2019115249A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446807A (en) * | 2008-08-15 | 2009-06-03 | 中国电力科学研究院 | Realization method for heat-engine plant speed regulating system model in power system simulation |
| CN103713613A (en) * | 2014-01-02 | 2014-04-09 | 国家电网公司 | Method for achieving optimizing control of load of thermal power generating unit in PROPR mode |
| CN105896569A (en) * | 2016-04-12 | 2016-08-24 | 国网上海市电力公司 | Supercritical unit CCS side primary frequency modulation method |
| CN107370156A (en) * | 2017-08-24 | 2017-11-21 | 赫普科技发展（北京）有限公司 | A kind of power grid frequency modulation system based on electrode boiler |
| CN107465371A (en) * | 2017-08-31 | 2017-12-12 | 国网山东省电力公司电力科学研究院 | Generating set primary frequency regulation self-tuing on line controller, control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343409B (en) * | 2018-10-30 | 2023-06-13 | 华能国际电力股份有限公司福州电厂 | Auxiliary control system and method for primary frequency modulation of full-cycle steam inlet unit |
| CN109256787A (en) * | 2018-11-07 | 2019-01-22 | 清华-伯克利深圳学院筹备办公室 | A kind of power supply system frequency modulation method, device, control equipment and storage medium |
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| CN109412179B (en) * | 2018-11-14 | 2020-06-26 | 国网河北能源技术服务有限公司 | Frequency modulation method for generator set and terminal equipment |
| CN110048468A (en) * | 2019-05-08 | 2019-07-23 | 华北电力科学研究院有限责任公司 | Thermal power plant set reformation method and device |
| CN110912157A (en) * | 2019-12-06 | 2020-03-24 | 中国国电集团有限公司湖南分公司 | Primary frequency modulation performance optimization method, system and medium under small frequency difference condition |
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| CN111049195B (en) * | 2020-01-03 | 2023-10-27 | 云南电网有限责任公司电力科学研究院 | AGC parameter optimization method and device |
| CN113554251A (en) * | 2020-04-23 | 2021-10-26 | 中国南方电网有限责任公司 | Power generation load deviation distribution method, device, system and computer equipment |
| CN112421660B (en) * | 2020-11-04 | 2022-04-15 | 清华四川能源互联网研究院 | Power service control method, device, system, controller and computer-readable storage medium |
| CN112421660A (en) * | 2020-11-04 | 2021-02-26 | 清华四川能源互联网研究院 | Power service control method, device, system, controller and computer-readable storage medium |
| CN113852135A (en) * | 2021-09-22 | 2021-12-28 | 广东电网有限责任公司 | Virtual power plant energy scheduling method, device, storage medium and platform |
| CN113852135B (en) * | 2021-09-22 | 2024-06-11 | 广东电网有限责任公司 | Virtual power plant energy scheduling method, device, storage medium and platform |
| CN114326380A (en) * | 2022-01-06 | 2022-04-12 | 神华神东电力有限责任公司 | Method and device for adjusting generator load of steam turbine |
| EP4220884A1 (en) * | 2022-01-31 | 2023-08-02 | Bloom Energy Corporation | Grid supporting electrolyzer |
| CN114583719A (en) * | 2022-03-21 | 2022-06-03 | 国电内蒙古东胜热电有限公司 | AGC primary frequency modulation control logic optimization analysis system of thermal power plant |
| CN114583719B (en) * | 2022-03-21 | 2024-04-19 | 国电内蒙古东胜热电有限公司 | AGC primary frequency modulation control logic optimization analysis system of thermal power plant |
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| CN115622085A (en) * | 2022-11-21 | 2023-01-17 | 西安热工研究院有限公司 | Economic frequency modulation method, device, equipment and medium based on energy storage capacity of unit |
| CN116505539A (en) * | 2023-06-26 | 2023-07-28 | 华能澜沧江水电股份有限公司 | Load adjusting method and device for vibration area of water motor unit |
| CN116613794A (en) * | 2023-07-17 | 2023-08-18 | 国网山东省电力公司莱芜供电公司 | Energy storage coordination control method and system |
| CN116613794B (en) * | 2023-07-17 | 2023-09-22 | 国网山东省电力公司莱芜供电公司 | Energy storage coordination control method and system |
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