CN109828204A - For the grid-connected debugging test method of thermoelectricity energy storage joint frequency modulation generating set - Google Patents
For the grid-connected debugging test method of thermoelectricity energy storage joint frequency modulation generating set Download PDFInfo
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- CN109828204A CN109828204A CN201910156353.3A CN201910156353A CN109828204A CN 109828204 A CN109828204 A CN 109828204A CN 201910156353 A CN201910156353 A CN 201910156353A CN 109828204 A CN109828204 A CN 109828204A
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Abstract
The present invention relates to power scheduling technical fields, a kind of grid-connected debugging test method for thermoelectricity energy storage joint frequency modulation generating set is specifically disclosed, thermoelectricity energy storage joint frequency modulation generating set is carried out and improves reasonable grid-connected debugging test, adapt to the composed structure feature of novel thermoelectricity energy storage joint frequency modulation generating set, the performance indicator of complete detection thermoelectricity energy storage joint frequency modulation generating set, grid connection test management is carried out by combining frequency modulation generating set to increasingly increased thermoelectricity energy storage, can guarantee safe, the high-quality and economical operation of thermoelectricity energy storage joint frequency modulation generating set.
Description
Technical field
The present invention relates to power scheduling technical fields more particularly to a kind of for thermoelectricity energy storage joint frequency modulation generating set
Grid-connected debugging test method.
Background technique
It requires to sign grid-connected scheduling protocol with power grid before all power plant unit access power grids.According to and fidonetFido,
The grid-connected debugging test of power grid is had to pass through before grid-connected, it can grid-connected sale of electricity after pass the test.Wherein the purpose of debugging test is root
According to the design feature of power plant unit, the scheduling characteristic of verification experimental verification power plant unit, such as primary frequency modulation characteristic, confirmation items
It, can grid-connected sale of electricity after scheduling characteristic meets grid requirements.
Traditional thermal power plant and hydraulic power plant and power grid are signed in grid-connected scheduling protocol, and grid-connected debugging test method is
Through meeting grid requirements by verifying for many years.
The energy conversion efficiency of the energy-storage travelling wave tubes such as lead storage battery, lithium ion battery is high, and storage can be formed by reasonably being combined
Energy system may make up thermoelectricity energy storage joint frequency modulation generating set if energy-storage system is in parallel with thermal power generation unit bus.Energy storage
System is used for power grid frequency modulation, and the increase and decrease power instruction issued to dispatching of power netwoks mechanism is needed to timely respond to.Energy-storage system can be real
Now increase and decrease power bi-directional is quickly adjusted, and power grid needs to increase power, and energy-storage system then enters discharge condition, together with generator,
Increase to the power that power grid provides；Power grid needs to reduce power, and energy-storage system then enters charged state, absorbs master section function
Rate is reduced to the power that power grid provides.Energy-storage system has the advantages that the response time is fast and degree of regulation is accurate.
Fired power generating unit adjustable range is big, but regulations speed is low, and the response time is long, and degree of regulation is also not too much ideal.Energy storage
Although battery pack higher cost, pondage is small, and regulations speed is high, can be realized positive and negative two-way quick adjusting, response time
Fastly, degree of regulation is accurate.Thermoelectricity energy storage joint frequency modulation technology can give full play to the respective advantage of conventional rack and energy storage device.Closely
Nian Lai, the mode that energy-storage system joint fired power generating unit participates in frequency modulation service obtain Rapid Popularization application.But this new model power generation
Unit has been different from the composed structure of conventional electric power generation unit, and the generating set of new type is belonged to for power grid.
Traditional grid-connected scheduling protocol debugging test method is primarily adapted for use in traditional thermal power generation unit and hydroelectric generator
Group.For the new-generation unit structure of this thermoelectricity energy storage joint frequency modulation, the grid-connected debugging test method of tradition is difficult to accurately comment
Estimate its and dispatch characteristic, especially for increased energy-storage system part, traditional test method can not Comprehensive consideration its operation
Dispatch characteristic.Therefore, current grid-connected debugging test method is difficult to ensure the safe, excellent of thermoelectricity energy storage joint frequency modulation generating set
Matter and economical operation.
Summary of the invention
It is an advantage of the invention to provide a kind of grid-connected debugging examinations for thermoelectricity energy storage joint frequency modulation generating set
Proved recipe method can guarantee safe, the high-quality and economical operation of thermoelectricity energy storage joint frequency modulation generating set.
To achieve these objectives, the present invention provides a kind of grid-connected debugging test for thermoelectricity energy storage joint frequency modulation generating set
Method, comprising the following steps:
S10: before energy-storage system is grid-connected, the relevant information of energy-storage system is sent to by power plant end by dispatching of power netwoks institution requests
Dispatching of power netwoks mechanism；
S11: during the grid-connected debugging of energy-storage system, the examination of AGC performance is carried out to thermoelectricity energy storage joint frequency modulation generating set
It tests and PSS parameter measured test；
S12: after test, thermoelectricity energy storage joint frequency modulation generating set is put into the AGC frequency modulation mould for continuing 8 hours
Formula is run, and hopping pattern operation test report in 8 hours is obtained, and obtains the comprehensive of the thermoelectricity energy storage joint frequency modulation generating set
Close frequency modulation performance index；
S13: judge that frequency modulation generating set is combined in the thermoelectricity energy storage according to 8 hours hopping pattern operation tests report
It is whether qualified, if so, executing S14；
S14: Plan Curve continuous operation test in 72 hours is carried out for thermoelectricity energy storage joint frequency modulation generating set, is obtained
It is reported to 72 hours Plan Curve operation tests；
S15: judge that frequency modulation generator is combined in the thermoelectricity energy storage according to 72 hours Plan Curve operation tests report
Whether group is qualified, if so, executing S16；
S16: continuous operation test in 30 days is carried out for thermoelectricity energy storage joint frequency modulation generating set, obtains 30 days continuously
Operation test report；
S17: whether the thermoelectricity energy storage joint frequency modulation generating set is judged according to the continuous service test in 30 days report
Qualification, if so, executing S18；
S18: terminating debugging, confirms that the thermoelectricity energy storage joint frequency modulation generating set can formal grid-connected operation.
Preferably, step S12, S14 and S16 include:
If the thermoelectricity energy storage joint frequency modulation generating set interrupts during the test, exit the energy-storage system
Operation, power plant end reorganize test, and after the license for obtaining dispatching of power netwoks end, return to the S12.
Preferably, step S13, S15 and S17 include:
If it is not, keeping the energy-storage system out of service, power plant end reorganizes test, and is obtaining being permitted for dispatching of power netwoks end
Can after, return to the S12.
The beneficial effects of the present invention are: a kind of grid-connected debugging examination for thermoelectricity energy storage joint frequency modulation generating set is provided
Proved recipe method carries out thermoelectricity energy storage joint frequency modulation generating set and improves reasonable grid-connected debugging test, adapts to novel thermoelectricity
The composed structure feature of frequency modulation generating set is combined in energy storage, by increasingly increased thermoelectricity energy storage combine frequency modulation generating set into
Row grid connection test management can guarantee safe, the high-quality and economical operation of thermoelectricity energy storage joint frequency modulation generating set.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the process for the grid-connected debugging test method for combining frequency modulation generating set for thermoelectricity energy storage that embodiment provides
Block diagram；
Fig. 2 is the structural frames for the grid-connected debugging system for combining frequency modulation generating set for thermoelectricity energy storage that embodiment provides
Figure.
In figure:
1, grid-connected debugging unit；2, frequency modulation generating set is combined in thermoelectricity energy storage；3, dispatching terminal monitoring unit；4, frequency modulation assists
Service unit；5, test evaluation unit.
Specific embodiment
To enable the purpose of the present invention, feature, advantage more obvious and understandable, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that reality disclosed below
Applying example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it is to be understood that, when a component is considered as " connection " another component, it can
To be directly to another component or may be simultaneously present the component being centrally located.When a component is considered as " setting
Set " another component, it, which can be, is set up directly on another component or may be simultaneously present the component being centrally located.
In addition, the indicating positions such as term " length " " short " "inner" "outside" or positional relationship for the orientation that is shown based on attached drawing or
Person's positional relationship is merely for convenience of the description present invention, rather than the device or original part of indication or suggestion meaning must have this
Specific orientation is operated with specific orientation construction, should not be understood as limitation of the invention with this.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the process for the grid-connected debugging test method for combining frequency modulation generating set for thermoelectricity energy storage that embodiment provides
Block diagram.
Referring to Fig. 1, the present embodiment provides a kind of grid-connected debugging test sides for thermoelectricity energy storage joint frequency modulation generating set
Method, comprising the following steps:
S10: before energy-storage system is grid-connected, the relevant information of energy-storage system is sent to by power plant end by dispatching of power netwoks institution requests
Dispatching of power netwoks mechanism.
Generally, fired power generating unit is run in network system for a long time, and it is main that frequency modulation generating set is combined in thermoelectricity energy storage
It is to add energy-storage system on the basis of existing fired power generating unit, therefore, power plant end is often only needed to report and submit the phase of energy-storage system
Close information.Preferably, relevant information includes automated information and PMU information of energy-storage system etc..Specifically, PMU is Phasor
The abbreviation of Measurement Unit, Chinese are synchronous phase measuring in power system device, are a kind of for synchronizing
The measurement and output of phasor and the device for carrying out dynamically recording.
S11: during the grid-connected debugging of energy-storage system, the examination of AGC performance is carried out to thermoelectricity energy storage joint frequency modulation generating set
It tests and PSS parameter measured test.
Specifically, Automatic Generation Control (Automatic Gain Control) abbreviation AGC, it is Energy Management System
(EMS) important component.Related power plant or unit are sent an instruction to by the control target of grid dispatching center, is passed through
The automatic control and adjustment device of power plant or unit realizes the automatic control to generator power.
PSS is the abbreviation of power system stabilizer, the entitled power system stabilizer, PSS of Chinese.PSS is power train
System steady stability device, is a kind of function of excitation system, is to inhibit active oscillation.Main function is provided to voltage regulator
Additional control signals.
S12: after test, thermoelectricity energy storage joint frequency modulation generating set is put into the AGC frequency modulation mould for continuing 8 hours
Formula is run, and hopping pattern operation test report in 8 hours is obtained, and obtains the comprehensive of the thermoelectricity energy storage joint frequency modulation generating set
Close frequency modulation performance index；
Wherein, if thermoelectricity energy storage joint frequency modulation generating set interrupts during the test, make the energy storage system
It unites out of service, power plant end reorganizes test, and after the license for obtaining dispatching of power netwoks end, returns to the S12.
S13: judge that frequency modulation generating set is combined in the thermoelectricity energy storage according to 8 hours hopping pattern operation tests report
It is whether qualified, if so, executing S14；If it is not, keeping the energy-storage system out of service, power plant end reorganizes test, and is obtaining
To after the license at dispatching of power netwoks end, the S12 is returned to.
S14: Plan Curve continuous operation test in 72 hours is carried out for thermoelectricity energy storage joint frequency modulation generating set, is obtained
It is reported to 72 hours Plan Curve operation tests；
Wherein, if thermoelectricity energy storage joint frequency modulation generating set interrupts during the test, make the energy storage system
It unites out of service, power plant end reorganizes test, and after the license for obtaining dispatching of power netwoks end, returns to the S12.
S15: judge that frequency modulation generator is combined in the thermoelectricity energy storage according to 72 hours Plan Curve operation tests report
Whether group is qualified, if so, executing S16；If it is not, keeping the energy-storage system out of service, power plant end, which reorganizes, is tested, and
After obtaining the license at dispatching of power netwoks end, the S12 is returned to.
S16: continuous operation test in 30 days is carried out for thermoelectricity energy storage joint frequency modulation generating set, obtains 30 days continuously
Operation test report；
Wherein, if thermoelectricity energy storage joint frequency modulation generating set interrupts during the test, make the energy storage system
It unites out of service, power plant end reorganizes test, and after the license for obtaining dispatching of power netwoks end, returns to the S12.
S17: whether the thermoelectricity energy storage joint frequency modulation generating set is judged according to the continuous service test in 30 days report
Qualification, if so, executing S18；If it is not, keeping the energy-storage system out of service, power plant end reorganizes test, and is obtaining electricity
After the license of net dispatching terminal, the S12 is returned to.
S18: terminating debugging, confirms that the thermoelectricity energy storage joint frequency modulation generating set can formal grid-connected operation.
Fig. 2 is the structural frames for the grid-connected debugging system for combining frequency modulation generating set for thermoelectricity energy storage that embodiment provides
Figure.
Referring to fig. 2, the present embodiment also provides a kind of grid-connected debugging system for thermoelectricity energy storage joint frequency modulation generating set.
The grid-connected debugging system includes grid-connected debugging unit 1, thermoelectricity energy storage joint frequency modulation generating set 2, dispatching terminal prison
Survey unit 3, frequency modulation ancillary service unit 4 and test evaluation unit 5.
The grid-connected debugging unit 1 is used to execute the examination of above-mentioned steps AGC performance to thermoelectricity energy storage joint frequency modulation generating set 2
It tests, PSS parameter measured test, 72 hours Plan Curve operation tests and continuous service test in 30 days.
Dispatching terminal monitoring unit 3 refers to the scheduling executing agency of grid side, can be to the state of all units that generate electricity by way of merging two or more grid systems
It is monitored, and assigns general traffic order as needed.During network system operates normally, if there is generating set is abnormal,
The dispatching terminal monitoring unit 3 can pick out at once to be come, and makes corresponding control.Specifically, dispatching terminal monitoring unit 3 is used
" if thermoelectricity energy storage joint frequency modulation generating set interrupts during the test, make described in executing in above-mentioned steps
Energy-storage system is out of service, and power plant end reorganizes test, and after the license for obtaining dispatching of power netwoks end, returns to described
S12”。
Frequency modulation ancillary service unit 4 can carry out primary frequency modulation control to all units that generate electricity by way of merging two or more grid systems.Normal frequency modulation situation
Under, the frequency modulation ancillary service unit 4 can choose a certain amount of generating set and assign primary frequency modulation order, and unit receives order,
Generated output is adjusted, thus electric power grid frequency stabilization.The frequency modulation ancillary service unit 4 can participate in one to the generating set of selection
The response condition of secondary frequency modulation is made an appraisal.When carrying out grid-connected debugging test, the frequency modulation ancillary service unit 4 is through special tune
It is whole, primary frequency modulation order is assigned to by testing generator group (the present embodiment refers to that frequency modulation generating set 2 is combined in thermoelectricity energy storage), is tested
Generating set is tested to be responded according to order.Specifically, frequency modulation ancillary service unit 4 is used for thermoelectricity energy storage joint frequency modulation power generation
Unit 2 executes 8 hours hopping pattern operation tests in above-mentioned steps.
Test evaluation unit 5 is for judging whether the thermoelectricity energy storage joint frequency modulation generating set 2 has passed through experiment, specifically
Ground, test evaluation unit 5 are used to execute S13, S15, S17 and S18 in above-mentioned steps.
Grid-connected debugging test method provided in this embodiment for thermoelectricity energy storage joint frequency modulation generating set, stores up thermoelectricity
Frequency modulation generating set can be combined and carry out perfect reasonable grid-connected debugging test, adapt to novel thermoelectricity energy storage joint frequency modulation power generation
The performance indicator of frequency modulation generating set is combined in the composed structure feature of unit, complete detection thermoelectricity energy storage, by increasingly increasing
Thermoelectricity energy storage joint frequency modulation generating set carry out grid connection test management, can guarantee thermoelectricity energy storage joint frequency modulation generating set peace
Entirely, high-quality and economical operation.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (3)
1. a kind of grid-connected debugging test method for thermoelectricity energy storage joint frequency modulation generating set, which is characterized in that including following
Step:
S10: before energy-storage system is grid-connected, the relevant information of energy-storage system is sent to power grid by dispatching of power netwoks institution requests by power plant end
Scheduling institution；
S11: during the grid-connected debugging of energy-storage system, to the thermoelectricity energy storage joint frequency modulation generating set carry out AGC performance test and
PSS parameter measured test；
S12: after test, by the thermoelectricity energy storage joint frequency modulation generating set investment continue 8 hours AGC hopping pattern into
Row operation obtains hopping pattern operation test report in 8 hours, obtains the comprehensive of thermoelectricity energy storage joint frequency modulation generating set and adjusts
Frequency performance indicator；
S13: whether the thermoelectricity energy storage joint frequency modulation generating set is judged according to 8 hours hopping pattern operation tests report
Qualification, if so, executing S14；
S14: Plan Curve continuous operation test in 72 hours is carried out for thermoelectricity energy storage joint frequency modulation generating set, obtains 72
Hour Plan Curve operation test report；
S15: judge that the thermoelectricity energy storage joint frequency modulation generating set is according to 72 hours Plan Curve operation tests report
No qualification, if so, executing S16；
S16: continuous operation test in 30 days is carried out for thermoelectricity energy storage joint frequency modulation generating set, obtains 30 days continuous operations
Test report；
S17: judging whether the thermoelectricity energy storage joint frequency modulation generating set is qualified according to the continuous service test in 30 days report,
If so, executing S18；
S18: terminating debugging, confirms that the thermoelectricity energy storage joint frequency modulation generating set can formal grid-connected operation.
2. the grid-connected debugging test method according to claim 1 for thermoelectricity energy storage joint frequency modulation generating set, special
Sign is that step S12, S14 and S16 include:
If the thermoelectricity energy storage joint frequency modulation generating set interrupts during the test, the energy-storage system is made to exit fortune
Row, power plant end reorganize test, and after the license for obtaining dispatching of power netwoks end, return to the S12.
3. the grid-connected debugging test method according to claim 1 for thermoelectricity energy storage joint frequency modulation generating set, special
Sign is that step S13, S15 and S17 include:
If it is not, keeping the energy-storage system out of service, power plant end reorganizes test, and is obtaining the license at dispatching of power netwoks end
Afterwards, the S12 is returned to.
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Cited By (1)
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