CN109407543A - A kind of verification method and device of Wind turbines electrical model voltage responsive characteristic - Google Patents
A kind of verification method and device of Wind turbines electrical model voltage responsive characteristic Download PDFInfo
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- CN109407543A CN109407543A CN201810081749.1A CN201810081749A CN109407543A CN 109407543 A CN109407543 A CN 109407543A CN 201810081749 A CN201810081749 A CN 201810081749A CN 109407543 A CN109407543 A CN 109407543A
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Abstract
The present invention provides the verification methods and device of a kind of Wind turbines electrical model voltage responsive characteristic, it first determines and calculates time series and simulation time sequence, then error time sequence and offset target are determined, finally verify Wind turbines electrical model voltage responsive characteristic, the present invention is based on the three-phase voltages of the wind turbine transformer high-voltage side bus of field measurement, the three-phase voltage of low-pressure side bus and the three-phase current of Wind turbines output end, help to improve the accuracy and simulation performance of Wind turbines electrical model, facilitate wind-electricity integration planning and designing and power network safety operation, to reduce power system security hidden danger and improve economy；Present invention emulation is accurate, and comprehensively, clear principle and result is accurate meets engineer application requirement, and type and composition independent of power system simulation software and Wind turbines electrical model, has stronger versatility for verifying.
Description
Technical field
The present invention relates to field of new energy technologies, and in particular to a kind of Wind turbines electrical model voltage responsive characteristic is tested
Demonstrate,prove method and apparatus.
Background technique
Need to establish the electrical model of Wind turbines, the electricity of Wind turbines by the grid-connected characteristic of simulation means research wind-powered electricity generation
Gas model can the practical Wind turbines voltage responsive characteristic of accurate simulation be that simulation result has authenticity and credible basis.
Decision according to wrong simulation result will lead to system disturbance and equipment damage, result even in large area power grid accident.Therefore
Voltage responsive property verification to Wind turbines electrical model be wind-electricity integration characteristic Simulation basis and assisting wind generating it is grid-connected
The precondition of planning and designing and management and running.
For the emulation and verifying of Wind turbines electrical model voltage responsive characteristic, the method that the prior art is taken is in electricity
In Force system simulation software the characteristic of simulating grid voltage and by the simulation result of Wind turbines voltage responsive characteristic and scene survey
Test result compares.But such method is by power system simulation software applicability and the probabilistic limit of electric network model
System, the analog result accuracy caused are low.Therefore when verifying the voltage responsive characteristic of Wind turbines electrical simulation model,
The error that cannot exclude power system simulation model influences, it is difficult to which the source of reasonable definition simulation result and measured result error causes
Such method has some limitations in the application that electrical model is verified.
In order to avoid the above problem, it can be based on specific power system simulation software, and by Wind turbines electrical model
Voltage control loop section open loop, and by voltage test signal access Wind turbines controlling unit in network voltage input terminal, then
The open-loop simulation output result of Wind turbines electrical model is compared with fieldtesting results.But such method depends on
Specific power system simulation software, and the condition of modification Wind turbines electrical model structure and controlling unit is needed to have,
Versatility is poor.Open-loop method is only applicable to electrical model control strategy and controls the verifying of precision, because lacking and power grid
Interaction, can not verify model emulation can convergence, control stability, emulation platform compatibility etc., so in the prior art
The voltage responsive characteristic Simulation inaccuracy of Wind turbines electrical model, is verified not comprehensive.
Summary of the invention
In order to overcome the voltage responsive characteristic Simulation inaccuracy of the above-mentioned electrical model of Wind turbines in the prior art and verify
Incomplete deficiency, the present invention provide the verification method and device of a kind of Wind turbines electrical model voltage responsive characteristic, first root
It is determined according to time of measuring sequence and calculates time series, and emulation is determined according to the simulation model for calculating time series and constructing in advance
Then time series determines error time sequence according to calculating time series and simulation time sequence, and according to error time sequence
It arranges and determines offset target, Wind turbines electrical model voltage responsive characteristic is finally verified according to offset target, the present invention is based on surveys
It measures time series, calculate time series, simulation time sequence and error time sequence to the standard of Wind turbines voltage responsive characteristic
True property is verified, and emulation is accurate, and is verified comprehensive.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that:
On the one hand, the present invention provides a kind of verification method of Wind turbines electrical model voltage responsive characteristic, comprising:
It is determined according to time of measuring sequence and calculates time series, and according to the emulation mould for calculating time series and constructing in advance
Type determines simulation time sequence；
Error time sequence is determined according to calculating time series and simulation time sequence, and is determined according to error time sequence
Offset target；
Wind turbines electrical model voltage responsive characteristic is verified according to offset target.
It is described to be determined before calculating time series according to time of measuring sequence, comprising:
The three-phase voltage of wind turbine transformer high-voltage side bus, the three-phase electricity of low-pressure side bus are acquired by measuring device
The three-phase current of pressure and Wind turbines output end, obtains time of measuring sequence；
The sample frequency of the measuring device is more than or equal to 100Hz.
The time of measuring sequence includes A phase voltage measured value, the Wind turbines of wind turbine transformer high-voltage side bus
C phase voltage measured value, the wind-powered electricity generation of the B phase voltage measured value of transformer high-voltage side bus, wind turbine transformer high-voltage side bus
The A phase voltage measured value of unit transformer low-pressure side bus, wind turbine transformer low-pressure side bus B phase voltage measured value,
The C phase voltage measured value of wind turbine transformer low-pressure side bus, the A current phasor measurement value of Wind turbines output end, wind turbine
The B current phasor measurement value of group output end and the C current phasor measurement value of Wind turbines output end.
It is described to determine that calculating time series includes: according to time of measuring sequence
According to time of measuring sequence, and is determined according to IEC61400-21 standard and calculate time series；
The calculating time series includes wind turbine transformer high side bus voltage fundamental positive sequence calculated value, wind
Motor group transformer high-voltage side bus voltage fundamental wave negative sequence component calculated value, wind turbine transformer low-pressure side bus voltage fundamental
Positive-sequence component calculated value, wind turbine transformer low-pressure side bus voltage fundamental negative sequence component calculated value, Wind turbines output end
Watt current fundamental positive sequence calculated value, Wind turbines output end watt current fundamental wave negative sequence component calculated value, Wind turbines
Output end reactive current fundamental positive sequence calculated value, Wind turbines output end reactive current fundamental wave negative sequence component calculated value, wind
Motor group output end active power fundamental positive sequence calculated value, Wind turbines output end active power fundamental wave negative sequence component calculate
Value, Wind turbines output end reactive power fundamental positive sequence calculated value and Wind turbines output end reactive power fundamental wave negative sequence point
Measure calculated value.
The simulation model is constructed by power system simulation software comprising alternating voltage source model, Wind turbines become
Depressor model and Wind turbines electrical model；
The wind turbine transformer model is connect by high-voltage side bus with alternating voltage source model, and passes through low-pressure side
Bus is connect with Wind turbines electrical model.
It is described to determine that simulation time sequence includes: according to the simulation model for calculating time series and constructing in advance
Wind turbine transformer high side bus voltage fundamental positive sequence calculated value and wind in time series will be calculated
Motor group transformer high-voltage side bus voltage fundamental wave negative sequence component calculated value input ac voltage source model, obtains simulation time sequence
Column.
The simulation time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component simulation value, wind
Motor group transformer low voltage side bus voltage fundamental wave negative sequence component simulation value, Wind turbines output end watt current fundamental positive sequence point
Measure simulation value, Wind turbines output end watt current fundamental wave negative sequence component simulation value, Wind turbines output end reactive current fundamental wave
Positive-sequence component simulation value, Wind turbines output end reactive current fundamental wave negative sequence component simulation value, Wind turbines output end wattful power
Rate fundamental positive sequence simulation value, Wind turbines output end active power fundamental wave negative sequence component simulation value, Wind turbines output end
Reactive power fundamental positive sequence simulation value and Wind turbines output end reactive power fundamental wave negative sequence component simulation value.
The error time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount, wind
Motor group transformer low voltage side bus voltage fundamental wave negative sequence component error value, Wind turbines output end watt current fundamental positive sequence point
Measure error amount, Wind turbines output end watt current fundamental wave negative sequence component error value, Wind turbines output end reactive current fundamental wave
Positive-sequence component error amount, Wind turbines output end reactive current fundamental wave negative sequence component error value, Wind turbines output end wattful power
Rate fundamental positive sequence error amount, Wind turbines output end active power fundamental wave negative sequence component error value, Wind turbines output end
Reactive power fundamental positive sequence error amount and Wind turbines output end reactive power fundamental wave negative sequence component error value.
The offset target includes the worst error of each error amount in error time sequence, maximum absolute error, is averaged
Error and mean absolute error.
It is described to include: according to offset target verifying Wind turbines electrical model voltage responsive characteristic
Whether meet respective setting range according to each error amount in offset target error in judgement time series, if error
Each error amount is all satisfied respective setting range in time series, and Wind turbines electrical model voltage responsive characteristic is accurate；If
Only have wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount in error time sequence and Wind turbines become
Depressor low-pressure side bus voltage fundamental negative sequence component error amount meets respective setting range, and Wind turbines electrical model voltage is rung
Answer characteristic inaccurate.
On the other hand, the present invention also provides a kind of verifying devices of Wind turbines electrical model voltage responsive characteristic, special
Sign is, comprising:
First determining module calculates time series for determining according to time of measuring sequence, and according to calculating time series
The simulation model constructed in advance determines simulation time sequence；
Second determining module, for determining error time sequence, and root according to calculating time series and simulation time sequence
Offset target is determined according to error time sequence；
Authentication module, for verifying Wind turbines electrical model voltage responsive characteristic according to offset target.
Described device further includes measurement module, and the measurement module is specifically used for:
The three-phase voltage of wind turbine transformer high-voltage side bus, the three-phase electricity of low-pressure side bus are acquired by measuring device
The three-phase current of pressure and Wind turbines output end, obtains time of measuring sequence；
The sample frequency of the measuring device is more than or equal to 100Hz.
The time of measuring sequence includes A phase voltage measured value, the Wind turbines of wind turbine transformer high-voltage side bus
C phase voltage measured value, the wind-powered electricity generation of the B phase voltage measured value of transformer high-voltage side bus, wind turbine transformer high-voltage side bus
The A phase voltage measured value of unit transformer low-pressure side bus, wind turbine transformer low-pressure side bus B phase voltage measured value,
The C phase voltage measured value of wind turbine transformer low-pressure side bus, the A current phasor measurement value of Wind turbines output end, wind turbine
The B current phasor measurement value of group output end and the C current phasor measurement value of Wind turbines output end.
First determining module includes:
Time series determination unit is calculated, for determining meter according to time of measuring sequence, and according to IEC61400-21 standard
Evaluation time sequence；
The calculating time series includes wind turbine transformer high side bus voltage fundamental positive sequence calculated value, wind
Motor group transformer high-voltage side bus voltage fundamental wave negative sequence component calculated value, wind turbine transformer low-pressure side bus voltage fundamental
Positive-sequence component calculated value, wind turbine transformer low-pressure side bus voltage fundamental negative sequence component calculated value, Wind turbines output end
Watt current fundamental positive sequence calculated value, Wind turbines output end watt current fundamental wave negative sequence component calculated value, Wind turbines
Output end reactive current fundamental positive sequence calculated value, Wind turbines output end reactive current fundamental wave negative sequence component calculated value, wind
Motor group output end active power fundamental positive sequence calculated value, Wind turbines output end active power fundamental wave negative sequence component calculate
Value, Wind turbines output end reactive power fundamental positive sequence calculated value and Wind turbines output end reactive power fundamental wave negative sequence point
Measure calculated value.
The simulation model is constructed by power system simulation software comprising alternating voltage source model, Wind turbines become
Depressor model and Wind turbines electrical model；
The wind turbine transformer model is connect by high-voltage side bus with alternating voltage source model, and passes through low-pressure side
Bus is connect with Wind turbines electrical model.
First determining module includes:
Simulation time sequence determination unit, for the wind turbine transformer high-voltage side bus electricity in time series will to be calculated
Press fundamental positive sequence calculated value and wind turbine transformer high side bus voltage fundamental wave negative sequence component calculated value input AC
Voltage source model obtains simulation time sequence.
The simulation time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component simulation value, wind
Motor group transformer low voltage side bus voltage fundamental wave negative sequence component simulation value, Wind turbines output end watt current fundamental positive sequence point
Measure simulation value, Wind turbines output end watt current fundamental wave negative sequence component simulation value, Wind turbines output end reactive current fundamental wave
Positive-sequence component simulation value, Wind turbines output end reactive current fundamental wave negative sequence component simulation value, Wind turbines output end wattful power
Rate fundamental positive sequence simulation value, Wind turbines output end active power fundamental wave negative sequence component simulation value, Wind turbines output end
Reactive power fundamental positive sequence simulation value and Wind turbines output end reactive power fundamental wave negative sequence component simulation value.
The error time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount, wind
Motor group transformer low voltage side bus voltage fundamental wave negative sequence component error value, Wind turbines output end watt current fundamental positive sequence point
Measure error amount, Wind turbines output end watt current fundamental wave negative sequence component error value, Wind turbines output end reactive current fundamental wave
Positive-sequence component error amount, Wind turbines output end reactive current fundamental wave negative sequence component error value, Wind turbines output end wattful power
Rate fundamental positive sequence error amount, Wind turbines output end active power fundamental wave negative sequence component error value, Wind turbines output end
Reactive power fundamental positive sequence error amount and Wind turbines output end reactive power fundamental wave negative sequence component error value.
The offset target includes the worst error of each error amount in error time sequence, maximum absolute error, is averaged
Error and mean absolute error.
The authentication module is specifically used for:
Whether meet respective setting range according to each error amount in offset target error in judgement time series, if error
Each error amount is all satisfied respective setting range in time series, and Wind turbines electrical model voltage responsive characteristic is accurate；If
Only have wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount in error time sequence and Wind turbines become
Depressor low-pressure side bus voltage fundamental negative sequence component error amount meets respective setting range, and Wind turbines electrical model voltage is rung
Answer characteristic inaccurate.
Compared with the immediate prior art, technical solution provided by the invention is had the advantages that
In the verification method of Wind turbines electrical model voltage responsive characteristic provided by the invention, first according to time of measuring sequence
Column, which determine, calculates time series, and determines simulation time sequence according to the simulation model for calculating time series and constructing in advance, so
Error time sequence is determined according to calculating time series and simulation time sequence afterwards, and determines that offset refers to according to error time sequence
Mark finally verifies Wind turbines electrical model voltage responsive characteristic according to offset target, and the present invention is based on time of measuring sequences, meter
Evaluation time sequence, simulation time sequence and error time sequence verify the accuracy of Wind turbines response characteristic, characteristic
Emulation is accurate, and property verification is comprehensive；
The verifying device of Wind turbines electrical model voltage responsive characteristic provided by the invention includes the first determining module, the
Two determining modules and authentication module, the first determining module calculate time series and based on by determining according to time of measuring sequence
Evaluation time sequence and the simulation model constructed in advance determine that simulation time sequence, the second determining module are used for according to calculating time sequence
Column and simulation time sequence determine error time sequence and determine that offset target, authentication module are used for root according to error time sequence
Wind turbines electrical model voltage responsive characteristic is verified according to offset target, the present invention is based on time of measuring sequence, calculates time sequence
Column, simulation time sequence and error time sequence verify the accuracy of Wind turbines response characteristic, and emulation is accurate, and tests
Card is comprehensive；
The three-phase voltage of wind turbine transformer high-voltage side bus of the technical solution provided by the invention based on field measurement,
The three-phase voltage of low-pressure side bus and the three-phase current of Wind turbines output end, can not only effectively solve in the prior art by
Electric network model uncertainty limit caused by can not accurate simulation practical Wind turbines voltage characteristic the problem of, and can be to wind-powered electricity generation
Unit electrical model carries out closed-loop simulation, avoids the structure and controlling unit of modification simulation model；
Technical solution provided by the invention helps to improve the accuracy and simulation performance of Wind turbines electrical model, helps
In wind-electricity integration planning and designing and power network safety operation, to reduce power system security hidden danger and improve economy；
Technical solution clear principle provided by the invention and result is accurate, meets engineer application requirement, and independent of electricity
The type and composition of Force system simulation software and Wind turbines electrical model have stronger versatility；
Technical solution provided by the invention is provided with alternating voltage source model, can be applied to a variety of disturbances in Practical Project
Or the impact analysis that interacts of a variety of loads and property verification, it also can be applied to the verifying of wind power plant Equivalent Model, in wind-powered electricity generation
Grid-connected simulation technical field has broad application prospects.
Detailed description of the invention
Fig. 1 is the verification method flow chart of Wind turbines electrical model voltage responsive characteristic in the embodiment of the present invention；
Fig. 2 is in-site measurement signaling point schematic diagram in the embodiment of the present invention；
Fig. 3 is simulation model structure chart in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
The embodiment of the present invention provides a kind of verification method of Wind turbines electrical model voltage responsive characteristic, specific flow chart
As shown in Figure 1, detailed process is as follows:
S101: determining according to time of measuring sequence and calculate time series, and according to calculating time series and construct in advance
Simulation model determines simulation time sequence；
S102: determining error time sequence according to the S101 calculating time series determined and simulation time sequence, and according to
Error time sequence determines offset target；
S103: Wind turbines electrical model voltage responsive characteristic is verified according to the offset target that S102 is determined.
Before step S101 is according to the determining calculating time series of time of measuring sequence, wind-powered electricity generation is acquired by measuring device
The three-phase electricity of the three-phase voltage of unit transformer high-voltage side bus, the three-phase voltage of low-pressure side bus and Wind turbines output end
Stream, obtains time of measuring sequence, and measuring signal point is as shown in Fig. 2, the sample frequency of measuring device is more than or equal to 100Hz, and institute
There is the time synchronization of measuring signal.
Time of measuring sequence in above-mentioned S101 include wind turbine transformer high-voltage side bus A phase voltage measured value,
The C phase voltage measurement of the B phase voltage measured value, wind turbine transformer high-voltage side bus of wind turbine transformer high-voltage side bus
Value, the B phase voltage of the A phase voltage measured value of wind turbine transformer low-pressure side bus, wind turbine transformer low-pressure side bus
Measured value, the C phase voltage measured value of wind turbine transformer low-pressure side bus, Wind turbines output end A current phasor measurement value,
The B current phasor measurement value of Wind turbines output end and the C current phasor measurement value of Wind turbines output end, specific time of measuring sequence
As shown in table 1, wherein n is a certain moment to column:
Table 1
| Symbol | Unit | Signal definition |
| uHa(n) | V | Wind turbine transformer high-voltage side bus A phase voltage measured value |
| uHb(n) | V | Wind turbine transformer high-voltage side bus B phase voltage measured value |
| uHc(n) | V | Wind turbine transformer high-voltage side bus C phase voltage measured value |
| uLa(n) | V | Wind turbine transformer low-pressure side bus A phase voltage measured value |
| uLb(n) | V | Wind turbine transformer low-pressure side bus B phase voltage measured value |
| uLc(n) | V | Wind turbine transformer low-pressure side bus C phase voltage measured value |
| iWTa(n) | A | The A current phasor measurement value of Wind turbines output end |
| iWTb(n) | A | The B current phasor measurement value of Wind turbines output end |
| iWTc(n) | A | The C current phasor measurement value of Wind turbines output end |
In above-mentioned S101, is determined according to time of measuring sequence and calculate time series specifically according to time of measuring sequence, and
It is determined according to IEC61400-21 standard and calculates time series, filter run is answered to be lower than the electromagnetism of 20ms in calculating process
High fdrequency component.Calculating time series includes wind turbine transformer high side bus voltage fundamental positive sequence calculated value, wind-powered electricity generation
Unit transformer high side bus voltage fundamental wave negative sequence component calculated value, wind turbine transformer low-pressure side bus voltage fundamental are just
Order components calculated value, wind turbine transformer low-pressure side bus voltage fundamental negative sequence component calculated value, Wind turbines output end have
Function current first harmonics positive-sequence component calculated value, Wind turbines output end watt current fundamental wave negative sequence component calculated value, Wind turbines are defeated
Outlet reactive current fundamental positive sequence calculated value, Wind turbines output end reactive current fundamental wave negative sequence component calculated value, wind-powered electricity generation
Unit output end active power fundamental positive sequence calculated value, Wind turbines output end active power fundamental wave negative sequence component calculate
Value, Wind turbines output end reactive power fundamental positive sequence calculated value and Wind turbines output end reactive power fundamental wave negative sequence point
Calculated value is measured, specific calculating time series is as shown in table 2:
Table 2
Simulation model in above-mentioned S101 is constructed by power system simulation software, and concrete structure diagram is as shown in figure 3, emulation
Model includes alternating voltage source model, wind turbine transformer model and Wind turbines electrical model；
Wind turbine transformer model is connect by high-voltage side bus with alternating voltage source model, and passes through low-pressure side bus
It is connect with Wind turbines electrical model.
In above-mentioned S101, the specific mistake of simulation time sequence is determined according to the simulation model for calculating time series and constructing in advance
Journey is as follows:
Wind turbine transformer high side bus voltage fundamental positive sequence calculated value and wind in time series will be calculated
Motor group transformer high-voltage side bus voltage fundamental wave negative sequence component calculated value input ac voltage source model, obtains simulation time sequence
Column.Simulation time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component simulation value, Wind turbines change
Depressor low-pressure side bus voltage fundamental negative sequence component simulation value, the emulation of Wind turbines output end watt current fundamental positive sequence
Value, Wind turbines output end watt current fundamental wave negative sequence component simulation value, Wind turbines output end reactive current fundamental positive sequence point
Measure simulation value, Wind turbines output end reactive current fundamental wave negative sequence component simulation value, Wind turbines output end active power fundamental wave
Positive-sequence component simulation value, Wind turbines output end active power fundamental wave negative sequence component simulation value, Wind turbines output end is idle function
Rate fundamental positive sequence simulation value and Wind turbines output end reactive power fundamental wave negative sequence component simulation value, in simulation time sequence
The sample frequency of simulation value should be consistent with the sample frequency for calculating calculated value in time series, and between each sampled point
Step-length is equal.It should be that simulation value and calculated value are established by time synchronization, extraction and the interpolation method between sampled value when needing
Common time reference.Simulation time sequence is specifically as shown in table 3:
Table 3
The error time sequence that S102 is obtained includes that wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component is missed
Difference, wind turbine transformer low-pressure side bus voltage fundamental negative sequence component error amount, Wind turbines output end watt current base
Wave positive-sequence component error amount, Wind turbines output end watt current fundamental wave negative sequence component error value, Wind turbines output end is idle
Current first harmonics positive-sequence component error amount, Wind turbines output end reactive current fundamental wave negative sequence component error value, Wind turbines output
Hold active power fundamental positive sequence error amount, Wind turbines output end active power fundamental wave negative sequence component error value, wind turbine
Group output end reactive power fundamental positive sequence error amount and Wind turbines output end reactive power fundamental wave negative sequence component error value,
And the offset target that S102 is obtained includes the worst error of each error amount in error time sequence, maximum absolute error, is averaged
Error and mean absolute error.
In above-mentioned S103, verifying Wind turbines electrical model voltage responsive characteristic according to offset target, detailed process is as follows:
Whether meet respective setting range according to each error amount in offset target error in judgement time series, specific point
For following two situation:
1) if each error amount is all satisfied respective setting range, Wind turbines electrical model voltage in error time sequence
Response characteristic is accurate；
If 2) only have wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount in error time sequence
Meet respective setting range, Wind turbines electricity with wind turbine transformer low-pressure side bus voltage fundamental negative sequence component error amount
Gas model voltage response characteristic inaccuracy.
Final Wind turbines electrical model voltage responsive property verification result is to scheme, sheet form shows that figure should include table 3
The comparison of wave shape of middle whole simulation time sequence and corresponding calculating time series and error time sequence, table should include all
Offset target.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of Wind turbines electrical model voltage responsive characteristic
Device, including the first determining module, the second determining module and authentication module are verified, the specific function of above-mentioned several modules is described below
Can:
First determining module therein, for according to time of measuring sequence determine calculate time series, and according to calculate when
Between sequence and the simulation model constructed in advance determine simulation time sequence；
Second determining module therein, for determining error time sequence according to calculating time series and simulation time sequence
Column, and offset target is determined according to error time sequence；
Authentication module therein, for verifying Wind turbines electrical model voltage responsive characteristic according to offset target.
The verifying device of Wind turbines electrical model voltage responsive characteristic provided in an embodiment of the present invention is in addition to including first
Determining module, the second determining module and authentication module, further include measurement module, and measurement module acquires wind turbine by measuring device
Three-phase voltage, the three-phase voltage of low-pressure side bus and the three-phase electricity of Wind turbines output end of group transformer high-voltage side bus
Stream, obtains time of measuring sequence；The sample frequency of measuring device is more than or equal to 100Hz.
The time of measuring sequence that above-mentioned first determining module determines includes the A phase electricity of wind turbine transformer high-voltage side bus
Press the C of measured value, the B phase voltage measured value of wind turbine transformer high-voltage side bus, wind turbine transformer high-voltage side bus
A phase voltage measured value, the wind turbine transformer low-pressure side bus of phase voltage measured value, wind turbine transformer low-pressure side bus
B phase voltage measured value, the C phase voltage measured value of wind turbine transformer low-pressure side bus, Wind turbines output end A phase electricity
The C current phasor measurement value of flow measure, the B current phasor measurement value of Wind turbines output end and Wind turbines output end.
The first above-mentioned determining module includes calculating time series determination unit, calculates time series determination unit and specifically uses
In determining calculating time series according to time of measuring sequence, and according to IEC61400-21 standard, calculating time series includes wind-powered electricity generation
Unit transformer high side bus voltage fundamental positive sequence calculated value, wind turbine transformer high side bus voltage fundamental wave are negative
Order components calculated value, wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component calculated value, wind turbine transformer are low
Press side bus voltage fundamental wave negative sequence component calculated value, Wind turbines output end watt current fundamental positive sequence calculated value, wind-powered electricity generation
Unit output end watt current fundamental wave negative sequence component calculated value, Wind turbines output end reactive current fundamental positive sequence calculate
Value, Wind turbines output end reactive current fundamental wave negative sequence component calculated value, Wind turbines output end active power fundamental positive sequence point
Measure calculated value, Wind turbines output end active power fundamental wave negative sequence component calculated value, Wind turbines output end reactive power fundamental wave
Positive-sequence component calculated value and Wind turbines output end reactive power fundamental wave negative sequence component calculated value.
Above-mentioned simulation model is constructed by power system simulation software, and simulation model includes alternating voltage source model, wind
Motor group transformer model and Wind turbines electrical model；Wind turbine transformer model passes through high-voltage side bus and alternating voltage
Source model connection, and connect by low-pressure side bus with Wind turbines electrical model.
The first above-mentioned determining module further includes simulation time sequence determination unit, and simulation time sequence determination unit is specific
For wind turbine transformer high side bus voltage fundamental positive sequence calculated value and wind turbine in time series will to be calculated
Group transformer high-voltage side bus voltage fundamental wave negative sequence component calculated value input ac voltage source model, obtains simulation time sequence,
Simulation time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component simulation value, wind turbine transformer
Low-pressure side bus voltage fundamental negative sequence component simulation value, Wind turbines output end watt current fundamental positive sequence simulation value, wind
Motor group output end watt current fundamental wave negative sequence component simulation value, the emulation of Wind turbines output end reactive current fundamental positive sequence
Value, Wind turbines output end reactive current fundamental wave negative sequence component simulation value, Wind turbines output end active power fundamental positive sequence point
Measure simulation value, Wind turbines output end active power fundamental wave negative sequence component simulation value, Wind turbines output end reactive power fundamental wave
Positive-sequence component simulation value and Wind turbines output end reactive power fundamental wave negative sequence component simulation value.
The error time sequence that the second above-mentioned determining module determines includes wind turbine transformer low-pressure side bus voltage
Fundamental positive sequence error amount, wind turbine transformer low-pressure side bus voltage fundamental negative sequence component error amount, Wind turbines are defeated
Outlet watt current fundamental positive sequence error amount, Wind turbines output end watt current fundamental wave negative sequence component error value, wind-powered electricity generation
Unit output end reactive current fundamental positive sequence error amount, Wind turbines output end reactive current fundamental wave negative sequence component error
Value, Wind turbines output end active power fundamental positive sequence error amount, Wind turbines output end active power fundamental wave negative sequence point
Measure error amount, Wind turbines output end reactive power fundamental positive sequence error amount and Wind turbines output end reactive power fundamental wave
Negative sequence component error amount.
The offset target that the second above-mentioned determining module determines includes that the maximum of each error amount in error time sequence misses
Difference, maximum absolute error, mean error and mean absolute error.
Above-mentioned authentication module verifies the detailed process of Wind turbines electrical model voltage responsive characteristic according to offset target
It is as follows:
Whether meet respective setting range according to each error amount in offset target error in judgement time series, specific point
For following two situation:
1) if each error amount is all satisfied respective setting range, Wind turbines electrical model voltage in error time sequence
Response characteristic is accurate；
If 2) only have wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount in error time sequence
Meet respective setting range, Wind turbines electricity with wind turbine transformer low-pressure side bus voltage fundamental negative sequence component error amount
Gas model voltage response characteristic inaccuracy.
For convenience of description, each section of apparatus described above is divided into various modules with function or unit describes respectively.
Certainly, each module or the function of unit can be realized in same or multiple softwares or hardware when implementing the application.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute
The those of ordinary skill in category field can still modify to a specific embodiment of the invention referring to above-described embodiment or
Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement
Within bright claims.
Claims (20)
1. a kind of verification method of Wind turbines electrical model voltage responsive characteristic characterized by comprising
It is determined according to time of measuring sequence and calculates time series, and is true according to the simulation model for calculating time series and constructing in advance
Determine simulation time sequence；
Error time sequence is determined according to calculating time series and simulation time sequence, and is determined and deviated according to error time sequence
Index；
Wind turbines electrical model voltage responsive characteristic is verified according to offset target.
2. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 1, which is characterized in that institute
It states and is determined before calculating time series according to time of measuring sequence, comprising:
By measuring device acquire the three-phase voltage of wind turbine transformer high-voltage side bus, low-pressure side bus three-phase voltage with
And the three-phase current of Wind turbines output end, obtain time of measuring sequence；
The sample frequency of the measuring device is more than or equal to 100Hz.
3. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 1, which is characterized in that institute
Stating time of measuring sequence includes the A phase voltage measured value of wind turbine transformer high-voltage side bus, wind turbine transformer high pressure
C phase voltage measured value, the wind turbine transformer of the B phase voltage measured value of side bus, wind turbine transformer high-voltage side bus
The A phase voltage measured value of low-pressure side bus, the B phase voltage measured value of wind turbine transformer low-pressure side bus, Wind turbines become
The C phase voltage measured value of depressor low-pressure side bus, the A current phasor measurement value of Wind turbines output end, Wind turbines output end B
The C current phasor measurement value of current phasor measurement value and Wind turbines output end.
4. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 1, which is characterized in that institute
It states and determines that calculating time series includes: according to time of measuring sequence
According to time of measuring sequence, and is determined according to IEC61400-21 standard and calculate time series；
The calculating time series includes wind turbine transformer high side bus voltage fundamental positive sequence calculated value, wind turbine
Group transformer high-voltage side bus voltage fundamental wave negative sequence component calculated value, wind turbine transformer low-pressure side bus voltage fundamental positive sequence
Component calculated value, wind turbine transformer low-pressure side bus voltage fundamental negative sequence component calculated value, Wind turbines output end are active
Current first harmonics positive-sequence component calculated value, Wind turbines output end watt current fundamental wave negative sequence component calculated value, Wind turbines output
Hold reactive current fundamental positive sequence calculated value, Wind turbines output end reactive current fundamental wave negative sequence component calculated value, wind turbine
Group output end active power fundamental positive sequence calculated value, Wind turbines output end active power fundamental wave negative sequence component calculated value,
Wind turbines output end reactive power fundamental positive sequence calculated value and Wind turbines output end reactive power fundamental wave negative sequence component
Calculated value.
5. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 1, which is characterized in that institute
State simulation model pass through power system simulation software construct comprising alternating voltage source model, wind turbine transformer model and
Wind turbines electrical model；
The wind turbine transformer model is connect by high-voltage side bus with alternating voltage source model, and passes through low-pressure side bus
It is connect with Wind turbines electrical model.
6. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 5, which is characterized in that institute
It states and determines that simulation time sequence includes: according to the simulation model for calculating time series and constructing in advance
Wind turbine transformer high side bus voltage fundamental positive sequence calculated value and wind turbine in time series will be calculated
Group transformer high-voltage side bus voltage fundamental wave negative sequence component calculated value input ac voltage source model, obtains simulation time sequence.
7. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 1, which is characterized in that institute
Stating simulation time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component simulation value, Wind turbines transformation
Device low-pressure side bus voltage fundamental negative sequence component simulation value, Wind turbines output end watt current fundamental positive sequence simulation value,
Wind turbines output end watt current fundamental wave negative sequence component simulation value, Wind turbines output end reactive current fundamental positive sequence are imitative
True value, Wind turbines output end reactive current fundamental wave negative sequence component simulation value, Wind turbines output end active power fundamental positive sequence
Component simulation value, Wind turbines output end active power fundamental wave negative sequence component simulation value, Wind turbines output end reactive power base
Wave positive-sequence component simulation value and Wind turbines output end reactive power fundamental wave negative sequence component simulation value.
8. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 1, which is characterized in that institute
Stating error time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount, Wind turbines transformation
Device low-pressure side bus voltage fundamental negative sequence component error amount, Wind turbines output end watt current fundamental positive sequence error amount,
Wind turbines output end watt current fundamental wave negative sequence component error value, Wind turbines output end reactive current fundamental positive sequence are missed
Difference, Wind turbines output end reactive current fundamental wave negative sequence component error value, Wind turbines output end active power fundamental positive sequence
Component error value, Wind turbines output end active power fundamental wave negative sequence component error value, Wind turbines output end reactive power base
Wave positive-sequence component error amount and Wind turbines output end reactive power fundamental wave negative sequence component error value.
9. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 1, which is characterized in that institute
Offset target is stated to include the worst error of each error amount in error time sequence, maximum absolute error, mean error and be averaged
Absolute error.
10. the verification method of Wind turbines electrical model voltage responsive characteristic according to claim 1, which is characterized in that
It is described to include: according to offset target verifying Wind turbines electrical model voltage responsive characteristic
Whether meet respective setting range according to each error amount in offset target error in judgement time series, if error time
Each error amount is all satisfied respective setting range in sequence, and Wind turbines electrical model voltage responsive characteristic is accurate；If error
Only have wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount and wind turbine transformer in time series
Low-pressure side bus voltage fundamental negative sequence component error amount meets respective setting range, and the voltage responsive of Wind turbines electrical model is special
Property inaccuracy.
11. a kind of verifying device of Wind turbines electrical model voltage responsive characteristic characterized by comprising
First determining module is used to determine calculating time series according to time of measuring sequence, and according to calculating time series and in advance
The simulation model first constructed determines simulation time sequence；
Second determining module, for determining error time sequence according to calculating time series and simulation time sequence, and according to accidentally
Poor time series determines offset target；
Authentication module, for verifying Wind turbines electrical model voltage responsive characteristic according to offset target.
12. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 11, which is characterized in that
Described device further includes measurement module, and the measurement module is specifically used for:
By measuring device acquire the three-phase voltage of wind turbine transformer high-voltage side bus, low-pressure side bus three-phase voltage with
And the three-phase current of Wind turbines output end, obtain time of measuring sequence；
The sample frequency of the measuring device is more than or equal to 100Hz.
13. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 11, which is characterized in that
The time of measuring sequence includes the A phase voltage measured value of wind turbine transformer high-voltage side bus, wind turbine transformer height
Press B phase voltage measured value, the C phase voltage measured value of wind turbine transformer high-voltage side bus, Wind turbines transformation of side bus
B phase voltage measured value, the Wind turbines of the A phase voltage measured value of device low-pressure side bus, wind turbine transformer low-pressure side bus
The C phase voltage measured value of transformer low voltage side bus, the A current phasor measurement value of Wind turbines output end, Wind turbines output end
B current phasor measurement value and Wind turbines output end C current phasor measurement value.
14. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 11, which is characterized in that
First determining module includes:
Time series determination unit is calculated, when being used for according to time of measuring sequence, and determining calculating according to IEC61400-21 standard
Between sequence；
The calculating time series includes wind turbine transformer high side bus voltage fundamental positive sequence calculated value, wind turbine
Group transformer high-voltage side bus voltage fundamental wave negative sequence component calculated value, wind turbine transformer low-pressure side bus voltage fundamental positive sequence
Component calculated value, wind turbine transformer low-pressure side bus voltage fundamental negative sequence component calculated value, Wind turbines output end are active
Current first harmonics positive-sequence component calculated value, Wind turbines output end watt current fundamental wave negative sequence component calculated value, Wind turbines output
Hold reactive current fundamental positive sequence calculated value, Wind turbines output end reactive current fundamental wave negative sequence component calculated value, wind turbine
Group output end active power fundamental positive sequence calculated value, Wind turbines output end active power fundamental wave negative sequence component calculated value,
Wind turbines output end reactive power fundamental positive sequence calculated value and Wind turbines output end reactive power fundamental wave negative sequence component
Calculated value.
15. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 11, which is characterized in that
The simulation model is constructed by power system simulation software comprising alternating voltage source model, wind turbine transformer model
With Wind turbines electrical model；
The wind turbine transformer model is connect by high-voltage side bus with alternating voltage source model, and passes through low-pressure side bus
It is connect with Wind turbines electrical model.
16. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 15, which is characterized in that
First determining module includes:
Simulation time sequence determination unit, for the wind turbine transformer high side bus voltage base in time series will to be calculated
Wave positive-sequence component calculated value and wind turbine transformer high side bus voltage fundamental wave negative sequence component calculated value input ac voltage
Source model obtains simulation time sequence.
17. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 11, which is characterized in that
The simulation time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component simulation value, Wind turbines change
Depressor low-pressure side bus voltage fundamental negative sequence component simulation value, the emulation of Wind turbines output end watt current fundamental positive sequence
Value, Wind turbines output end watt current fundamental wave negative sequence component simulation value, Wind turbines output end reactive current fundamental positive sequence point
Measure simulation value, Wind turbines output end reactive current fundamental wave negative sequence component simulation value, Wind turbines output end active power fundamental wave
Positive-sequence component simulation value, Wind turbines output end active power fundamental wave negative sequence component simulation value, Wind turbines output end is idle function
Rate fundamental positive sequence simulation value and Wind turbines output end reactive power fundamental wave negative sequence component simulation value.
18. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 11, which is characterized in that
The error time sequence includes wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount, Wind turbines change
Depressor low-pressure side bus voltage fundamental negative sequence component error amount, Wind turbines output end watt current fundamental positive sequence error
Value, Wind turbines output end watt current fundamental wave negative sequence component error value, Wind turbines output end reactive current fundamental positive sequence point
Measure error amount, Wind turbines output end reactive current fundamental wave negative sequence component error value, Wind turbines output end active power fundamental wave
Positive-sequence component error amount, Wind turbines output end active power fundamental wave negative sequence component error value, Wind turbines output end is idle function
Rate fundamental positive sequence error amount and Wind turbines output end reactive power fundamental wave negative sequence component error value.
19. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 11, which is characterized in that
The offset target includes the worst error of each error amount in error time sequence, maximum absolute error, mean error peace
Equal absolute error.
20. the verifying device of Wind turbines electrical model voltage responsive characteristic according to claim 11, which is characterized in that
The authentication module is specifically used for:
Whether meet respective setting range according to each error amount in offset target error in judgement time series, if error time
Each error amount is all satisfied respective setting range in sequence, and Wind turbines electrical model voltage responsive characteristic is accurate；If error
Only have wind turbine transformer low-pressure side bus voltage fundamental positive-sequence component error amount and wind turbine transformer in time series
Low-pressure side bus voltage fundamental negative sequence component error amount meets respective setting range, and the voltage responsive of Wind turbines electrical model is special
Property inaccuracy.
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