CN109459693A - A kind of primary frequency modulation performance test method and device based on wave shape playback - Google Patents
A kind of primary frequency modulation performance test method and device based on wave shape playback Download PDFInfo
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- CN109459693A CN109459693A CN201811355105.3A CN201811355105A CN109459693A CN 109459693 A CN109459693 A CN 109459693A CN 201811355105 A CN201811355105 A CN 201811355105A CN 109459693 A CN109459693 A CN 109459693A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Abstract
This application discloses a kind of primary frequency modulation performance test method and device based on wave shape playback, wherein method include: the power grid that will acquire digital noisy data be converted to analog signal after, obtain noisy data to be tested；The noisy data to be tested is input to unit to be measured and the corresponding primary frequency modulation model of the unit to be measured respectively, so that the unit to be measured and the primary frequency modulation model carry out primary frequency modulation to the noisy data to be tested respectively；It compares the unit to be measured and carries out the first result after primary frequency modulation to the noisy data to be tested, the second result after primary frequency modulation is carried out to the disturbance to be tested with the primary frequency modulation model, the primary frequency modulation performance test result of the unit to be measured is obtained, solves generating set primary frequency regulation test method inefficiency and the low technical problem of accuracy.
Description
Technical field
The application belongs to primary frequency modulation the field of test technology more particularly to a kind of primary frequency modulation performance based on wave shape playback
Test method and device.
Background technique
China's wind-power electricity generation, hydroelectric generation growth momentum are swift and violent in recent years, the operation of extensive generating set to power grid and
The influence of user is also increasingly important.
Primary frequency modulation is most basic and most important one for being related to power grid security, largely affects power grid
The stabilization of frequency.When network system frequency disturbs, the primary frequency modulation of generating set can work normally direct relation its
Whether performance is up to standard, it is therefore desirable to test the performance of generating set primary frequency regulation.The existing primary tune to generating set
Frequency test is carried out by means of the mode of artificial contrast's evaluation index, inefficiency and the low technical problem of accuracy.
Summary of the invention
This application provides a kind of primary frequency modulation performance test method and device based on wave shape playback are used for generating set
Primary frequency modulation test solves generating set primary frequency regulation test method inefficiency and the low technical problem of accuracy.
In view of this, the application first aspect provides a kind of primary frequency modulation performance test method based on wave shape playback,
Include:
After the digital noisy data for the power grid that will acquire is converted to analog signal, noisy data to be tested is obtained；
The noisy data to be tested is input to unit to be measured and the corresponding primary frequency modulation mould of the unit to be measured respectively
Type, so that the unit to be measured and the primary frequency modulation model carry out primary frequency modulation to the noisy data to be tested respectively；
The unit to be measured is compared to first after the noisy data progress primary frequency modulation to be tested as a result, with described one
Secondary frequency modulation model is to second after the disturbance progress primary frequency modulation to be tested as a result, obtaining the primary frequency modulation of the unit to be measured
The performance test results.
Preferably, described the noisy data to be tested to be input to unit to be measured respectively and the unit to be measured is corresponding
Before primary frequency modulation model further include:
The noisy data to be tested is converted into the unit adaptation data form to be measured.
Preferably, the digital noisy data of the power grid that will acquire is converted to analog signal and specifically includes:
The digital noisy data for the power grid that will acquire is converted to analog signal by digital analog converter.
Preferably, before the digital noisy data of the power grid that will acquire is converted to analog signal further include:
Operation data when acquisition electric network fault is as the digital noisy data.
Preferably, before the digital noisy data of the power grid that will acquire is converted to analog signal further include:
Operation data when acquisition power grid is normal, as the first data；
In BPA or PSASP software, electric network fault simulation is carried out to first data, obtains the number disturbance number
According to.
Preferably, the type of the electric network fault simulation includes: big load tripping, direct current monopole is latched, DC bipolar closes
Lock, big power source trip and N-2 power grid cascading failure.
Preferably, the comparison unit to be measured carries out the first knot after primary frequency modulation to the noisy data to be tested
Fruit and the primary frequency modulation model disturbance to be tested is carried out after primary frequency modulation second as a result, obtaining the machine to be measured
The primary frequency modulation performance test result of group specifically includes:
The unit to be measured is compared to first after the noisy data progress primary frequency modulation to be tested as a result, with described one
Secondary frequency modulation model is to second after the disturbance progress primary frequency modulation to be tested as a result, if first result and second knot
Difference between fruit is less than preset threshold value, then the primary frequency modulation performance test result of the unit to be measured is qualification, it is on the contrary then not
It is qualified.
The application second aspect provides a kind of primary frequency modulation performance test device based on wave shape playback, comprising:
Converting unit obtains to be tested after the digital noisy data of the power grid for will acquire is converted to analog signal
Noisy data；
Transmission unit, for the noisy data to be tested to be input to unit to be measured and the unit correspondence to be measured respectively
Primary frequency modulation model so that the unit to be measured and the primary frequency modulation model respectively carry out the noisy data to be tested
Primary frequency modulation；
Comparison unit, for comparing the unit to be measured to first after the noisy data progress primary frequency modulation to be tested
As a result, with the primary frequency modulation model to second after the disturbance progress primary frequency modulation to be tested as a result, obtaining described to be measured
The primary frequency modulation performance test result of unit.
The application third aspect provides a kind of primary frequency modulation performance test equipment based on wave shape playback, the equipment packet
Include processor and memory；
Said program code is transferred to the processor for storing program code by the memory；
The processor is used for according to the above-mentioned first aspect of the instruction execution in said program code based on waveform
The primary frequency modulation performance test method of playback.
The application fourth aspect provides a kind of computer readable storage medium, and the computer readable storage medium is used for
Program code is stored, said program code is for the primary frequency modulation based on wave shape playback described in the above-mentioned first aspect of perform claim
Performance test methods.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that
The primary frequency modulation performance test method based on wave shape playback that this application provides a kind of, comprising: the electricity that will acquire
After the digital noisy data of net is converted to analog signal, noisy data to be tested is obtained；Respectively by the noisy data to be tested
It is input to unit to be measured and the corresponding primary frequency modulation model of the unit to be measured, so that the unit to be measured and the primary frequency modulation
Model carries out primary frequency modulation to the noisy data to be tested respectively；The unit to be measured is compared to the noisy data to be tested
After carrying out primary frequency modulation first as a result, the after primary frequency modulation is carried out to the disturbance to be tested with the primary frequency modulation model
Two as a result, obtain the primary frequency modulation performance test result of the unit to be measured.In the application, the number for the power grid that will acquire first
After word noisy data is converted to analog signal, the noisy data to be tested is input to unit to be measured and unit to be measured is corresponding
Primary frequency modulation model respectively obtains unit to be measured to first after the noisy data progress primary frequency modulation to be tested as a result, one
Secondary frequency modulation model is to second after carrying out primary frequency modulation after the noisy data to be tested as a result, then comparing the first result and the
Two, as a result, obtaining the primary frequency modulation performance test result of the unit to be measured, solve generating set primary frequency regulation test method
Inefficiency and the low technical problem of accuracy.
Detailed description of the invention
Fig. 1 is a kind of first embodiment of the primary frequency modulation performance test method based on wave shape playback in the embodiment of the present application
Flow diagram；
Fig. 2 is a kind of second embodiment of the primary frequency modulation performance test method based on wave shape playback in the embodiment of the present application
Flow diagram；
Fig. 3 is a kind of structural representation of the primary frequency modulation performance test device based on wave shape playback in the embodiment of the present application
Figure；
Fig. 4 is comparing result schematic diagram when being tested the primary frequency modulation performance qualification of unit in the embodiment of the present application；
Fig. 5 is the comparing result schematic diagram when primary frequency modulation performance of tested unit in the embodiment of the present application is unqualified.
Specific embodiment
The embodiment of the present application provides a kind of primary frequency modulation performance test method and device based on wave shape playback, for sending out
The test of motor group primary frequency modulation, solves generating set primary frequency regulation test method inefficiency and the low technology of accuracy is asked
Topic.
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 this
Apply for a part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall in the protection scope of this application.
Referring to Fig. 1, in the embodiment of the present application a kind of primary frequency modulation performance test method based on wave shape playback first
The flow diagram of embodiment, comprising:
Step 101, the power grid that will acquire digital noisy data be converted to analog signal after, obtain disturbance number to be tested
According to.
It should be noted that signal type needs for analog signal, therefore the electricity that will acquire first when carrying out wave shape playback
After the digital noisy data of net is converted to analog signal, noisy data to be tested is obtained.
Noisy data to be tested is input to unit to be measured and the corresponding primary frequency modulation mould of unit to be measured respectively by step 102
Type, so that unit to be measured and primary frequency modulation model carry out primary frequency modulation to noisy data to be tested respectively.
It should be noted that noisy data to be tested is input to machine to be measured respectively after obtaining noisy data to be tested
Group primary frequency modulation model corresponding with unit to be measured, so that unit to be measured and primary frequency modulation model are respectively to noisy data to be tested
Carry out primary frequency modulation.
Step 103, comparison unit to be measured are to first after noisy data to be tested progress primary frequency modulation as a result, and primary tune
Frequency model is to second after disturbance to be tested progress primary frequency modulation as a result, obtaining the primary frequency modulation performance test knot of unit to be measured
Fruit.
It should be noted that noisy data to be tested is input to unit to be measured and the corresponding primary frequency modulation of unit to be measured
After model, unit to be measured is compared to first after noisy data to be tested progress primary frequency modulation as a result, and primary frequency modulation model pair
Disturbance to be tested carry out after primary frequency modulation second as a result, obtaining the primary frequency modulation performance test result of unit to be measured.
It, will be to be tested after the digital noisy data for the power grid that will acquire first is converted to analog signal in the present embodiment
Noisy data is input to unit to be measured and the corresponding primary frequency modulation model of unit to be measured, respectively obtains unit to be measured and disturbs to be tested
Dynamic data carry out first after primary frequency modulation as a result, primary frequency modulation model to primary frequency modulation is carried out after noisy data to be tested after
Second, as a result, then comparing the first result and second as a result, obtaining the primary frequency modulation performance test result of unit to be measured, solves
Generating set primary frequency regulation test method inefficiency and the low technical problem of accuracy.
The above are the first of a kind of primary frequency modulation performance test method based on wave shape playback provided by the embodiments of the present application
Embodiment, the following are a kind of second realities of the primary frequency modulation performance test method based on wave shape playback provided by the embodiments of the present application
Apply example.
Referring to Fig. 2, in the embodiment of the present application a kind of primary frequency modulation performance test method based on wave shape playback second
The flow diagram of embodiment, comprising:
Step 201, the power grid that will acquire digital noisy data analog signal is converted to by digital analog converter after, obtain
To noisy data to be tested.
It should be noted that the equipment used can be digital analog converter when converting digital signals into analog signal.
It can be with it is understood that obtaining digital noisy data are as follows: operation data when acquisition electric network fault is as number
Noisy data, or: operation data when acquisition power grid is normal, as the first data；It is right in BPA or PSASP software
First data carry out electric network fault simulation, obtain digital noisy data.It is understood that the type packet of electric network fault simulation
It includes: big load tripping, the locking of direct current monopole, DC bipolar block, big power source trip and N-2 power grid cascading failure.
Noisy data to be tested is converted to unit adaptation data form to be measured by step 202.
It should be noted that after obtaining noisy data to be tested, in the data type of unit to be measured operation and to be tested
When moving data different type, it is also necessary to which the adaptation data form that noisy data to be tested is converted to unit to be measured in this way may be used
With the actual motion characteristic of the power grid according to locating for generating set, targetedly signal is obtained, such as noisy data to be tested is frequency
Rate signal, but the operation data form of unit to be measured is voltage signal, needs frequency signal being converted to voltage signal at this time.
It is understood that converter used herein can be frequency modulation digital analog converter or other machines, specific limit is not done herein
It is fixed.
Noisy data to be tested is input to unit to be measured and the corresponding primary frequency modulation mould of unit to be measured respectively by step 203
Type, so that unit to be measured and primary frequency modulation model carry out primary frequency modulation to noisy data to be tested respectively.
Step 204, comparison unit to be measured are to first after noisy data to be tested progress primary frequency modulation as a result, and primary tune
Frequency model is to second after disturbance to be tested progress primary frequency modulation as a result, if the difference between the first result and the second result is less than
Preset threshold value, then the primary frequency modulation performance test result of unit to be measured is qualification, on the contrary then unqualified.
In the present embodiment, when unit to be measured is 600MW, and frequency measurement range is 0-100Hz, it is illustrated in figure 4 to be measured
Comparing result schematic diagram when unit primary frequency modulation performance test result is qualified is illustrated in figure 5 and surveys unit primary frequency modulation
Comparing result schematic diagram when energy test result is unqualified.
It is configured it should be noted simultaneously that preset threshold value can according to need, is not specifically limited herein.
It, will be to be tested after the digital noisy data for the power grid that will acquire first is converted to analog signal in the present embodiment
Noisy data is input to unit to be measured and the corresponding primary frequency modulation model of unit to be measured, respectively obtains unit to be measured and disturbs to be tested
Dynamic data carry out first after primary frequency modulation as a result, primary frequency modulation model to primary frequency modulation is carried out after noisy data to be tested after
Second, as a result, then comparing the first result and second as a result, obtaining the primary frequency modulation performance test result of unit to be measured, solves
Generating set primary frequency regulation test method inefficiency and the low technical problem of accuracy.
The above are the second of a kind of primary frequency modulation performance test method based on wave shape playback provided by the embodiments of the present application
Embodiment, the following are a kind of implementations of the primary frequency modulation performance test device based on wave shape playback provided by the embodiments of the present application
Example, please refers to Fig. 3.
A kind of primary frequency modulation performance test device based on wave shape playback provided in the embodiment of the present application, comprising:
Converting unit 301 obtains to be measured after the digital noisy data of the power grid for will acquire is converted to analog signal
Try noisy data.
Transmission unit 302, for noisy data to be tested to be input to unit to be measured and unit to be measured corresponding one respectively
Secondary frequency modulation model, so that unit to be measured and primary frequency modulation model carry out primary frequency modulation to noisy data to be tested respectively.
Comparison unit 303, for compare unit to be measured to noisy data to be tested carry out primary frequency modulation after first as a result,
With primary frequency modulation model to second after disturbance to be tested progress primary frequency modulation as a result, obtaining the primary frequency modulation performance of unit to be measured
Test result.
A kind of primary frequency modulation performance test equipment based on wave shape playback provided in the embodiment of the present application, comprising: processing
Device and memory, memory are transferred to processor for storing program code, and by program code, and processor is used for according to journey
The above-mentioned primary frequency modulation performance test method based on wave shape playback of instruction execution in sequence code.
A kind of computer readable storage medium is provided in the embodiment of the present application, computer readable storage medium is for storing
Program code, program code are used for the above-mentioned primary frequency modulation performance test method based on wave shape playback of perform claim.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or logical of device or unit
Letter connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the application
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of primary frequency modulation performance test method based on wave shape playback characterized by comprising
After the digital noisy data for the power grid that will acquire is converted to analog signal, noisy data to be tested is obtained；
The noisy data to be tested is input to unit to be measured and the corresponding primary frequency modulation model of the unit to be measured respectively, is made
It obtains the unit to be measured and the primary frequency modulation model and primary frequency modulation is carried out to the noisy data to be tested respectively；
The unit to be measured is compared to first after the noisy data progress primary frequency modulation to be tested as a result, with the primary tune
Frequency model is to second after the disturbance progress primary frequency modulation to be tested as a result, obtaining the primary frequency modulation performance of the unit to be measured
Test result.
2. the primary frequency modulation performance test method according to claim 1 based on wave shape playback, which is characterized in that described point
It is also wrapped before the noisy data to be tested is not input to unit to be measured and the corresponding primary frequency modulation model of the unit to be measured
It includes:
The noisy data to be tested is converted into the unit adaptation data form to be measured.
3. the primary frequency modulation performance test method according to claim 1 based on wave shape playback, which is characterized in that described to incite somebody to action
The digital noisy data of the power grid got is converted to analog signal and specifically includes:
The digital noisy data for the power grid that will acquire is converted to analog signal by digital analog converter.
4. the primary frequency modulation performance test method according to claim 1 based on wave shape playback, which is characterized in that described to incite somebody to action
The digital noisy data of the power grid got is converted to before analog signal further include:
Operation data when acquisition electric network fault is as the digital noisy data.
5. the primary frequency modulation performance test method according to claim 1 based on wave shape playback, which is characterized in that described to incite somebody to action
The digital noisy data of the power grid got is converted to before analog signal further include:
Operation data when acquisition power grid is normal, as the first data；
In BPA or PSASP software, electric network fault simulation is carried out to first data, obtains the digital noisy data.
6. the primary frequency modulation performance test method according to claim 5 based on wave shape playback, which is characterized in that the electricity
The type of net fault simulation includes: big load tripping, the locking of direct current monopole, DC bipolar block, big power source trip and N-2 power grid
Cascading failure.
7. the primary frequency modulation performance test method according to claim 1 based on wave shape playback, which is characterized in that described right
Than the unit to be measured to first after the noisy data progress primary frequency modulation to be tested as a result, with the primary frequency modulation model
To second after the disturbance progress primary frequency modulation to be tested as a result, obtaining the primary frequency modulation performance test knot of the unit to be measured
Fruit specifically includes:
The unit to be measured is compared to first after the noisy data progress primary frequency modulation to be tested as a result, with the primary tune
Frequency model second after primary frequency modulation is carried out to the disturbance to be tested as a result, if first result and second result it
Between difference be less than preset threshold value, then the primary frequency modulation performance test result of the unit to be measured be qualification, it is on the contrary then unqualified.
8. a kind of primary frequency modulation performance test device based on wave shape playback characterized by comprising
Converting unit obtains disturbance to be tested after the digital noisy data of the power grid for will acquire is converted to analog signal
Data；
Transmission unit, for the noisy data to be tested to be input to unit to be measured and the unit to be measured corresponding one respectively
Secondary frequency modulation model, so that the unit to be measured and the primary frequency modulation model respectively carry out once the noisy data to be tested
Frequency modulation；
Comparison unit, for comparing the unit to be measured to the first knot after the noisy data progress primary frequency modulation to be tested
Fruit and the primary frequency modulation model disturbance to be tested is carried out after primary frequency modulation second as a result, obtaining the machine to be measured
The primary frequency modulation performance test result of group.
9. a kind of primary frequency modulation performance test equipment based on wave shape playback, which is characterized in that the equipment include processor with
And memory；
Said program code is transferred to the processor for storing program code by the memory；
The processor be used for according to instruction execution any one of claims 1 to 7 in said program code based on
The primary frequency modulation performance test method of wave shape playback.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing program generation
Code, said program code are surveyed for the primary frequency modulation performance based on wave shape playback described in any one of perform claim requirement 1 to 7
Method for testing.
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